OITracker Cboe delayed data
OI update signal: Not confirmed MSFT / AAPL · Checked Oct 23, 09:56 EDT
The latest collection has not completed. Some symbols may not be updated yet.
View affected symbolsAADX,AAMI,AAP,ABAT,ABCB,ABEO,ABG,ABM,ABOS,ABSI,ABTC,ABUS,ABVC,ACB,ACET,ACH,ACHC,ACLS,ACMR,ACNB,ACOG,ACRS,ACTG,ADIG,ADTN,ADUR,ADUS,AER,AESI,AEXA,AFCG,AGEN,AGI,AGIO,AGL,AGNT,AGYS,AHRT,AIFC,AIFU,AIP,AIRJ,AIRO,AIRS,AKBA,ALC,ALDX,ALEC,ALGT,ALH,ALKS,ALKT,ALLO,ALLT,ALMS,ALNY,ALT,ALTI,ALTO,AMAL,AMBA,AMBQ,AMCX,AMPG,AMPL,AMPY,AMR,AMRC,AMRZ,AMTM,AMTX,ANAB,ANGI,ANGO,ANGX,ANIK,ANIP,ANIX,ANNX,ANRO,ANVS,AOSL,APEI,APLE,APOG,ARAY,ARCO,ARDT,ARDX,AREC,ARIS,ARLO,AROC,AROW,ARQ,ARTV,ARX,ARXS,ASAN,ASC,ASLE,ASMB,ASO,ASPN,ASTE,ASTH,ASTI,ASTL,ASUR,ASYS,ATEC,ATEN,ATLO,ATNI,ATRC,ATRO,AU,AUDC,AUGO,AUPH,AVAH,AVBC,AVPT,AVR,AWI,AWR,AWRE,AXGN,AXSM,AYA,AZ,BANC,BAND,BANF,BBD,BBVA,BCPC,BCSF,BKKT,BLZE,BMI,BMO,BMRC,BNS,BSBR,BUSE,CENN,COLD,CUE,DDD,DOX,DRTS,EZPW,FAC,FATE,FBIO,FBNC,FCBC,FDMT,FDXF,FELE,FER,FERG,FFBC,FHTX,FIRY,FISI,FLD,FLL,FLNA,FLNG,FLOC,FLUT,FLWS,FLY,FMAO,FMBH,FMNB,FNLC,FORM,FORR,FOSL,FPH,FRHC,FSBC,FSTR,FSUN,FSV,FTRE,FWDI,FWRG,GDYN

BRK.B

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $544.70 · Expirations before Oct 23, 2026 hidden automatically.

ITM In the money Unshaded: out of the money ATM Strike equals stock price Based on the saved stock price
2,108 contracts / 15 expirationsClick OI for history
Oct 23, 2026EXPIRATION182 contracts / 91 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $545.00
Jump to ATM
BRK.B option chain expiring 2026-10-23, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 270.00 6 6 0 0.00%
0 0In the money 0New 0.00% 280.00 10 10 0 846.36%
0 0In the money 0New 0.00% 290.00 51 51 0 0.00%
0 0In the money 0New 0.00% 300.00 104 104 0 763.24%
4 4In the money 0 0.00% 310.00 40 40 0 0.00%
0 0In the money 0New 0.00% 320.00 64 64 0 0.00%
0 0In the money 0New 0.00% 330.00 88 88 0 0.00%
0 0In the money 0New 0.00% 340.00 71 71 0 0.00%
0 1In the money +1New 796.67% 350.00 42 42 0 0.00%
0 1In the money +1New 804.73% 355.00 10 10 0 0.00%
5 6In the money +1 776.78% 360.00 8 8 0 565.37%
4 3In the money -1 753.91% 365.00 19 19 0 823.76%
0 1In the money +1New 735.76% 370.00 4 4 0 799.48%
5 7In the money +2 690.33% 375.00 2 2 0 775.47%
5 5In the money 0 691.08% 380.00 2 2 0 751.72%
5 5In the money 0 669.09% 385.00 3 3 0 728.21%
5 5In the money 0 626.10% 390.00 3 3 0 704.95%
4 4In the money 0 633.34% 395.00 4 4 0 681.92%
5 5In the money 0 604.47% 400.00 24 24 0 395.10%
0 0In the money 0New 579.65% 405.00 0 0 0New 517.55%
0 0In the money 0New 547.44% 410.00 0 0 0New 614.08%
0 0In the money 0New 530.91% 415.00 11 11 0 367.14%
0 0In the money 0New 491.12% 420.00 1 1 0 569.82%
1 1In the money 0 510.05% 425.00 6 6 0 547.95%
4 4In the money 0 477.22% 430.00 4 4 0 526.24%
0 0In the money 0New 436.89% 435.00 9 9 0 504.68%
2 2In the money 0 437.34% 440.00 9 9 0 483.27%
0 0In the money 0New 405.34% 445.00 17 17 0 461.98%
19 19In the money 0 400.74% 450.00 33 33 0 440.81%
0 0In the money 0New 370.04% 455.00 576 576 0 255.78%
15 15In the money 0 359.03% 460.00 357 356 -1 398.78%
0 0In the money 0New 329.21% 465.00 143 143 0 377.88%
0 0In the money 0New 322.46% 467.50 5 5 0 367.46%
8 10In the money +2 329.53% 470.00 92 92 0 182.12%
0 0In the money 0New 301.00% 472.50 0 0 0New 346.65%
0 0In the money 0New 298.90% 475.00 209 209 0 300.29%
0 0In the money 0New 291.61% 477.50 9 9 0 325.87%
11 11In the money 0 290.33% 480.00 295 294 -1 271.93%
0 0In the money 0New 256.18% 482.50 13 13 0 305.12%
13 13In the money 0 254.20% 485.00 134 127 -7 189.16%
0 0In the money 0New 249.18% 487.50 7 7 0 154.00%
41 41In the money 0 247.54% 490.00 301 299 -2 226.81%
0 0In the money 0New 228.23% 492.50 29 29 0 263.29%
26 26In the money 0 222.67% 495.00 579 573 -6 253.15%
1 1In the money 0 211.27% 497.50 96 96 0 242.71%
296 290In the money -6 213.52% 500.00 220 229 +9 110.16%
18 18In the money 0 198.93% 502.50 69 67 -2 201.76%
668 660In the money -8 179.20% 505.00 248 247 -1 211.21%
193 193In the money 0 182.24% 507.50 196 195 -1 200.63%
255 199In the money -56 181.44% 510.00 442 378 -64 86.51%
Showing strikes 1–50 of 91
Oct 30, 2026EXPIRATION182 contracts / 91 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $545.00
Jump to ATM
BRK.B option chain expiring 2026-10-30, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 209.37% 270.00 0 0 0New 247.83%
0 0In the money 0New 204.12% 280.00 5 5 0 236.25%
0 0In the money 0New 190.08% 290.00 16 16 0 225.06%
0 0In the money 0New 180.01% 300.00 8 8 0 214.23%
1 1In the money 0 171.99% 310.00 15 15 0 203.74%
0 0In the money 0New 162.52% 320.00 24 24 0 193.42%
0 0In the money 0New 153.36% 330.00 8 8 0 183.48%
0 0In the money 0New 145.98% 340.00 17 17 0 173.86%
0 0In the money 0New 135.84% 350.00 37 37 0 164.62%
0 0In the money 0New 133.08% 355.00 0 0 0New 160.02%
0 0In the money 0New 120.55% 360.00 1 1 0 110.14%
0 0In the money 0New 126.12% 365.00 2 2 0 150.99%
0 0In the money 0New 117.81% 370.00 0 0 0New 146.55%
0 0In the money 0New 119.23% 375.00 0 0 0New 142.16%
0 0In the money 0New 115.23% 380.00 0 0 0New 137.82%
0 0In the money 0New 111.28% 385.00 0 0 0New 133.52%
0 0In the money 0New 108.50% 390.00 0 0 0New 129.27%
0 0In the money 0New 102.38% 395.00 0 0 0New 125.06%
3 3In the money 0 99.73% 400.00 7 7 0 75.75%
0 0In the money 0New 94.86% 405.00 0 0 0New 116.75%
0 0In the money 0New 93.29% 410.00 0 0 0New 112.66%
0 0In the money 0New 88.59% 415.00 0 0 0New 108.59%
0 0In the money 0New 85.95% 420.00 25 25 0 80.94%
2 2In the money 0 78.06% 425.00 0 0 0New 100.57%
0 0In the money 0New 79.65% 430.00 12 12 0 96.60%
1 1In the money 0 76.92% 435.00 3 3 0 92.66%
4 4In the money 0 72.57% 440.00 18 18 0 76.22%
1 1In the money 0 68.24% 445.00 9 9 0 84.86%
0 0In the money 0New 67.12% 450.00 34 34 0 80.99%
0 0In the money 0New 61.40% 455.00 223 224 +1 77.21%
21 21In the money 0 62.09% 460.00 113 113 0 73.37%
0 0In the money 0New 58.02% 465.00 198 220 +22 35.78%
1 1In the money 0 53.99% 470.00 150 170 +20 37.79%
0 0In the money 0New 50.59% 475.00 218 222 +4 36.77%
3 3In the money 0 47.22% 480.00 210 206 -4 42.21%
6 7In the money +1 44.87% 485.00 130 125 -5 47.42%
9 25In the money +16 41.93% 490.00 287 287 0 50.78%
0 0In the money 0New 37.81% 492.50 2 2 0 48.80%
14 14In the money 0 38.93% 495.00 148 148 0 40.52%
0 0In the money 0New 37.61% 497.50 0 0 0New 45.05%
65 65In the money 0 34.71% 500.00 249 246 -3 29.70%
1 1In the money 0 32.61% 502.50 0 0 0New 40.84%
444 440In the money -4 32.07% 505.00 102 114 +12 39.34%
6 5In the money -1 31.03% 507.50 5 8 +3 32.38%
5,831 5,811In the money -20 27.56% 510.00 143 147 +4 35.47%
14 16In the money +2 26.57% 512.50 53 53 0 31.66%
2,145 2,134In the money -11 26.06% 515.00 322 315 -7 21.76%
41 41In the money 0 24.80% 517.50 52 51 -1 29.24%
1,754 1,727In the money -27 23.70% 520.00 284 501 +217 18.47%
117 117In the money 0 19.35% 522.50 43 59 +16 20.66%
Showing strikes 1–50 of 91
Nov 06, 2026EXPIRATION176 contracts / 88 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $545.00
Jump to ATM
BRK.B option chain expiring 2026-11-06, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 150.97% 270.00 4 4 0 176.63%
0 0In the money 0New 141.38% 280.00 0 0 0New 168.38%
0 0In the money 0New 133.49% 290.00 10 10 0 160.41%
0 0In the money 0New 121.00% 300.00 0 0 0New 152.70%
0 0In the money 0New 119.88% 310.00 0 0 0New 145.23%
0 0In the money 0New 108.11% 320.00 10 10 0 137.98%
0 0In the money 0New 102.81% 330.00 10 10 0 130.94%
0 0In the money 0New 96.02% 340.00 0 0 0New 124.08%
0 0In the money 0New 97.38% 350.00 0 0 0New 117.41%
0 0In the money 0New 91.93% 355.00 0 0 0New 114.13%
0 0In the money 0New 84.63% 360.00 0 0 0New 79.58%
0 0In the money 0New 87.93% 365.00 0 0 0New 107.70%
0 0In the money 0New 79.93% 370.00 0 0 0New 104.54%
0 0In the money 0New 78.30% 375.00 0 0 0New 101.42%
0 0In the money 0New 75.30% 380.00 0 0 0New 98.32%
0 0In the money 0New 73.65% 385.00 0 0 0New 95.26%
0 0In the money 0New 75.85% 390.00 0 0 0New 92.24%
0 0In the money 0New 67.86% 395.00 0 0 0New 89.24%
0 0In the money 0New 68.33% 400.00 1 1 0 86.27%
0 0In the money 0New 63.42% 405.00 2 2 0 83.33%
0 0In the money 0New 56.31% 410.00 1 1 0 80.41%
0 0In the money 0New 60.98% 415.00 0 0 0New 77.52%
0 0In the money 0New 58.28% 420.00 1 1 0 74.65%
0 0In the money 0New 55.62% 425.00 0 0 0New 71.87%
0 0In the money 0New 53.83% 430.00 1 1 0 69.04%
0 0In the money 0New 50.38% 435.00 1 1 0 66.24%
0 0In the money 0New 49.42% 440.00 13 11 -2 63.50%
0 0In the money 0New 46.87% 445.00 14 14 0 60.73%
16 16In the money 0 45.70% 450.00 7 7 0 58.02%
0 0In the money 0New 44.36% 455.00 59 58 -1 55.28%
3 3In the money 0 41.29% 460.00 46 46 0 52.89%
0 0In the money 0New 42.10% 465.00 17 21 +4 50.11%
3 3In the money 0 41.37% 470.00 101 80 -21 35.28%
0 0In the money 0New 35.41% 475.00 94 176 +82 44.62%
3 3In the money 0 34.55% 480.00 129 129 0 42.02%
14 14In the money 0 33.06% 485.00 35 36 +1 38.22%
4 4In the money 0 30.55% 490.00 97 96 -1 33.92%
17 17In the money 0 28.61% 495.00 61 61 0 33.14%
27 27In the money 0 26.58% 500.00 49 51 +2 31.61%
333 336In the money +3 26.10% 505.00 42 195 +153 29.34%
0 1In the money +1New 25.12% 507.50 3 6 +3 27.90%
71 71In the money 0 23.42% 510.00 99 99 0 22.17%
5 5In the money 0 23.20% 512.50 101 104 +3 25.31%
143 152In the money +9 22.38% 515.00 267 266 -1 19.20%
0 0In the money 0New 21.49% 517.50 8 13 +5 22.90%
367 497In the money +130 20.52% 520.00 56 57 +1 18.58%
14 14In the money 0 20.15% 522.50 0 56 +56New 21.11%
291 303In the money +12 19.10% 525.00 56 103 +47 18.60%
314 311In the money -3 17.95% 530.00 56 80 +24 16.85%
0 0In the money 0New 17.57% 532.50 0 2 +2New 17.48%
Showing strikes 1–50 of 88
Nov 13, 2026EXPIRATION158 contracts / 79 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $545.00
Jump to ATM
BRK.B option chain expiring 2026-11-13, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 130.14% 270.00 0 0 0New 144.86%
0 0In the money 0New 117.32% 280.00 0 0 0New 138.10%
0 0In the money 0New 115.39% 290.00 0 0 0New 131.57%
0 0In the money 0New 96.86% 300.00 0 0 0New 125.34%
0 0In the money 0New 82.06% 310.00 0 0 0New 119.30%
0 0In the money 0New 93.36% 320.00 0 0 0New 113.44%
0 0In the money 0New 93.54% 330.00 0 0 0New 107.73%
0 0In the money 0New 87.74% 340.00 0 0 0New 102.18%
0 0In the money 0New 83.54% 350.00 0 0 0New 96.76%
0 0In the money 0New 82.10% 355.00 0 0 0New 94.14%
0 0In the money 0New 78.73% 360.00 0 0 0New 66.70%
0 0In the money 0New 67.22% 365.00 0 0 0New 88.98%
0 0In the money 0New 74.66% 370.00 0 0 0New 86.44%
0 0In the money 0New 66.19% 375.00 0 0 0New 83.92%
0 0In the money 0New 71.16% 380.00 0 0 0New 81.44%
0 0In the money 0New 69.13% 385.00 0 0 0New 78.97%
0 0In the money 0New 60.26% 390.00 2 2 0 76.55%
0 0In the money 0New 61.94% 395.00 50 50 0 74.11%
20 20In the money 0 63.96% 400.00 19 19 0 71.77%
1 1In the money 0 53.69% 405.00 5 5 0 69.41%
0 0In the money 0New 52.79% 410.00 0 0 0New 67.07%
0 0In the money 0New 51.74% 415.00 26 26 0 64.72%
0 0In the money 0New 49.41% 420.00 1 1 0 62.44%
0 0In the money 0New 47.71% 425.00 1 1 0 60.14%
0 0In the money 0New 51.15% 430.00 32 32 0 58.32%
0 0In the money 0New 49.51% 435.00 4 4 0 55.61%
0 0In the money 0New 42.56% 440.00 0 0 0New 53.34%
0 0In the money 0New 43.25% 445.00 13 13 0 51.11%
15 15In the money 0 42.98% 450.00 3 3 0 48.89%
0 0In the money 0New 42.88% 455.00 6 6 0 46.63%
0 0In the money 0New 41.52% 460.00 78 78 0 44.46%
0 0In the money 0New 39.46% 465.00 80 80 0 42.24%
1 1In the money 0 37.59% 470.00 27 26 -1 37.89%
57 57In the money 0 35.31% 475.00 30 30 0 37.89%
16 16In the money 0 33.59% 480.00 45 44 -1 35.74%
2 2In the money 0 32.15% 485.00 48 48 0 33.61%
7 7In the money 0 30.15% 490.00 88 88 0 31.42%
2 2In the money 0 28.41% 495.00 34 34 0 28.00%
31 31In the money 0 27.33% 500.00 121 122 +1 24.14%
76 76In the money 0 25.92% 505.00 149 151 +2 22.75%
1,075 1,074In the money -1 24.99% 510.00 188 173 -15 21.89%
99 112In the money +13 23.83% 515.00 75 105 +30 22.16%
153 188In the money +35 22.74% 520.00 66 103 +37 22.00%
295 282In the money -13 21.69% 525.00 20 69 +49 20.93%
219 148In the money -71 20.99% 530.00 17 35 +18 20.30%
182 187In the money +5 20.23% 535.00 64 98 +34 19.59%
296 294In the money -2 19.08% 540.00 42 137 +95 18.56%
STOCK PRICE $544.70
69 79 +10 18.45% 545.00NEAREST ATM 0 36In the money +36New 17.66%
47 65 +18 18.01% 550.00 0 19In the money +19New 17.39%
26 32 +6 17.74% 555.00 0 1In the money +1New 16.91%
Showing strikes 1–50 of 79
Nov 20, 2026EXPIRATION152 contracts / 76 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $545.00
Jump to ATM
BRK.B option chain expiring 2026-11-20, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 300.00 6,254 6,314 +60 78.39%
0 0In the money 0New 62.05% 310.00 130 130 0 103.48%
1 1In the money 0 0.00% 320.00 345 345 0 98.33%
1 1In the money 0 62.46% 330.00 1 1 0 93.32%
0 0In the money 0New 45.78% 340.00 518 518 0 70.14%
0 0In the money 0New 0.00% 350.00 13 13 0 83.72%
4 4In the money 0 51.31% 360.00 30 30 0 59.15%
55 55In the money 0 0.00% 370.00 20 20 0 74.63%
0 0In the money 0New 0.00% 380.00 77 78 +1 44.46%
6 6In the money 0 47.40% 390.00 14 14 0 65.99%
24 24In the money 0 46.81% 400.00 166 165 -1 49.31%
1 1In the money 0 41.14% 410.00 263 263 0 42.17%
0 0In the money 0New 38.71% 415.00 20 20 0 44.23%
1 1In the money 0 37.53% 420.00 311 311 0 51.39%
6 6In the money 0 36.31% 425.00 42 62 +20 41.26%
23 23In the money 0 25.80% 430.00 167 167 0 45.43%
6 6In the money 0 29.94% 435.00 43 43 0 45.64%
31 31In the money 0 36.67% 440.00 108 109 +1 36.60%
0 0In the money 0New 35.12% 445.00 39 44 +5 34.67%
5 5In the money 0 34.34% 450.00 420 422 +2 33.10%
0 0In the money 0New 33.74% 455.00 110 111 +1 32.16%
23 23In the money 0 32.67% 460.00 775 775 0 37.07%
30 30In the money 0 30.46% 465.00 179 186 +7 31.74%
147 144In the money -3 30.51% 470.00 789 791 +2 28.36%
72 70In the money -2 28.78% 475.00 295 286 -9 26.72%
49 48In the money -1 27.45% 480.00 1,138 1,125 -13 26.46%
14 14In the money 0 27.16% 485.00 560 539 -21 25.68%
63 61In the money -2 26.70% 490.00 1,672 1,650 -22 24.65%
49 49In the money 0 25.87% 495.00 487 489 +2 23.23%
505 543In the money +38 24.20% 500.00 2,870 2,843 -27 22.76%
127 127In the money 0 23.50% 505.00 428 409 -19 21.74%
4 12In the money +8 22.58% 507.50 1 3 +2 20.38%
874 846In the money -28 22.77% 510.00 914 892 -22 20.43%
0 0In the money 0New 21.22% 512.50 11 10 -1 20.02%
1,044 999In the money -45 21.61% 515.00 809 824 +15 19.90%
17 26In the money +9 21.21% 517.50 1 30 +29 19.21%
1,475 1,456In the money -19 19.98% 520.00 322 335 +13 19.36%
0 3In the money +3New 20.30% 522.50 28 35 +7 19.38%
649 643In the money -6 20.00% 525.00 197 198 +1 18.79%
2,287 2,202In the money -85 18.64% 530.00 510 521 +11 18.14%
865 910In the money +45 18.16% 535.00 218 231 +13 17.78%
2,861 2,472In the money -389 16.74% 540.00 226 722 +496 17.21%
STOCK PRICE $544.70
495 313 -182 16.33% 545.00NEAREST ATM 37 73In the money +36 16.88%
1,053 1,085 +32 16.40% 550.00 84 218In the money +134 16.56%
491 512 +21 15.96% 555.00 15 18In the money +3 16.16%
993 1,064 +71 15.60% 560.00 10 16In the money +6 15.10%
90 246 +156 15.22% 565.00 0 5In the money +5New 13.87%
287 328 +41 15.39% 570.00 0 0In the money 0New 12.42%
60 73 +13 15.92% 575.00 0 0In the money 0New 0.00%
724 725 +1 15.31% 580.00 0 0In the money 0New 0.00%
Showing strikes 1–50 of 76
Nov 27, 2026EXPIRATION158 contracts / 79 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $545.00
Jump to ATM
BRK.B option chain expiring 2026-11-27, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 270.00 0 0 0New 112.98%
0 0In the money 0New 0.00% 280.00 0 0 0New 107.72%
0 0In the money 0New 0.00% 290.00 0 0 0New 102.64%
0 0In the money 0New 0.00% 300.00 0 0 0New 97.73%
0 0In the money 0New 0.00% 310.00 0 0 0New 92.97%
0 0In the money 0New 0.00% 320.00 0 0 0New 88.35%
0 0In the money 0New 0.00% 330.00 0 0 0New 83.86%
0 0In the money 0New 0.00% 340.00 0 0 0New 79.50%
0 0In the money 0New 0.00% 350.00 0 0 0New 75.24%
0 0In the money 0New 0.00% 355.00 0 0 0New 73.16%
0 0In the money 0New 0.00% 360.00 0 0 0New 71.15%
0 0In the money 0New 0.00% 365.00 0 0 0New 69.11%
0 0In the money 0New 0.00% 370.00 0 0 0New 67.10%
0 0In the money 0New 0.00% 375.00 0 0 0New 65.10%
0 0In the money 0New 0.00% 380.00 0 0 0New 63.16%
0 0In the money 0New 0.00% 385.00 0 0 0New 61.21%
0 0In the money 0New 0.00% 390.00 0 0 0New 59.32%
0 0In the money 0New 0.00% 395.00 0 0 0New 50.33%
0 0In the money 0New 0.00% 400.00 0 0 0New 55.51%
0 0In the money 0New 0.00% 405.00 0 0 0New 51.60%
0 0In the money 0New 0.00% 410.00 0 0 0New 51.88%
0 0In the money 0New 0.00% 415.00 0 0 0New 50.08%
0 0In the money 0New 0.00% 420.00 0 0 0New 47.24%
0 0In the money 0New 0.00% 425.00 3 3 0 39.07%
0 0In the money 0New 0.00% 430.00 6 6 0 37.54%
0 0In the money 0New 0.00% 435.00 21 21 0 39.25%
0 0In the money 0New 0.00% 440.00 1 1 0 41.16%
0 0In the money 0New 0.00% 445.00 5 5 0 36.77%
0 0In the money 0New 23.13% 450.00 12 12 0 35.48%
0 0In the money 0New 28.48% 455.00 11 11 0 29.51%
0 0In the money 0New 27.39% 460.00 0 0 0New 30.87%
0 0In the money 0New 25.63% 465.00 1 1 0 28.88%
1 1In the money 0 26.10% 470.00 0 0 0New 30.26%
1 1In the money 0 25.64% 475.00 0 0 0New 25.14%
0 1In the money +1New 24.62% 480.00 11 11 0 25.40%
0 0In the money 0New 23.97% 485.00 1 1 0 25.18%
25 25In the money 0 22.48% 490.00 5 5 0 26.14%
4 4In the money 0 22.50% 495.00 29 26 -3 22.86%
5 4In the money -1 21.46% 500.00 29 24 -5 21.08%
3 3In the money 0 20.73% 505.00 46 47 +1 20.30%
49 49In the money 0 20.37% 510.00 8 25 +17 19.53%
4 5In the money +1 19.04% 515.00 17 21 +4 18.84%
49 48In the money -1 18.51% 520.00 16 17 +1 18.00%
51 60In the money +9 17.95% 525.00 102 114 +12 17.24%
38 52In the money +14 17.54% 530.00 205 234 +29 16.98%
284 291In the money +7 17.14% 535.00 61 62 +1 16.06%
81 94In the money +13 16.80% 540.00 1 6 +5 15.78%
STOCK PRICE $544.70
31 51 +20 16.58% 545.00NEAREST ATM 1 3In the money +2 15.07%
77 75 -2 16.40% 550.00 2 13In the money +11 15.08%
31 34 +3 15.91% 555.00 0 0In the money 0New 14.68%
Showing strikes 1–50 of 79
Dec 04, 2026EXPIRATION156 contracts / 78 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $545.00
Jump to ATM
BRK.B option chain expiring 2026-12-04, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 82.80% 280.00 0 0 0New 98.29%
0 0In the money 0New 80.91% 290.00 0 0 0New 93.66%
0 0In the money 0New 78.72% 300.00 0 0 0New 89.17%
0 0In the money 0New 70.91% 310.00 0 0 0New 84.83%
0 0In the money 0New 67.89% 320.00 0 0 0New 80.62%
0 0In the money 0New 62.89% 330.00 0 0 0New 76.53%
0 0In the money 0New 59.42% 340.00 0 0 0New 72.55%
0 0In the money 0New 57.90% 350.00 0 0 0New 68.67%
0 0In the money 0New 58.24% 355.00 0 0 0New 66.82%
0 0In the money 0New 56.53% 360.00 0 0 0New 64.89%
0 0In the money 0New 54.84% 365.00 0 0 0New 63.08%
0 0In the money 0New 49.57% 370.00 0 0 0New 61.24%
0 0In the money 0New 50.16% 375.00 0 0 0New 59.47%
0 0In the money 0New 47.57% 380.00 0 0 0New 57.68%
0 0In the money 0New 47.44% 385.00 0 0 0New 55.94%
0 0In the money 0New 46.69% 390.00 0 0 0New 54.22%
0 0In the money 0New 40.03% 395.00 0 0 0New 52.48%
0 0In the money 0New 42.77% 400.00 0 0 0New 50.70%
0 0In the money 0New 41.64% 405.00 0 0 0New 49.03%
0 0In the money 0New 37.52% 410.00 0 0 0New 47.45%
0 0In the money 0New 36.57% 415.00 0 0 0New 45.84%
0 0In the money 0New 36.78% 420.00 0 0 0New 44.21%
0 0In the money 0New 36.00% 425.00 0 0 0New 42.62%
0 0In the money 0New 34.53% 430.00 0 0 0New 41.03%
0 0In the money 0New 33.07% 435.00 0 0 0New 39.44%
0 0In the money 0New 31.62% 440.00 0 0 0New 37.80%
0 0In the money 0New 32.44% 445.00 0 0 0New 36.36%
0 0In the money 0New 29.30% 450.00 0 0 0New 34.84%
0 0In the money 0New 29.45% 455.00 0 0 0New 33.36%
0 0In the money 0New 27.77% 460.00 0 0 0New 31.86%
0 0In the money 0New 26.50% 465.00 0 0 0New 30.41%
0 0In the money 0New 24.46% 470.00 0 0 0New 29.02%
0 0In the money 0New 24.86% 475.00 0 0 0New 27.58%
0 0In the money 0New 23.20% 480.00 0 0 0New 26.15%
0 0In the money 0New 22.86% 485.00 0 0 0New 24.75%
0 0In the money 0New 21.86% 490.00 0 0 0New 23.37%
0 0In the money 0New 21.17% 495.00 0 0 0New 22.06%
0 10In the money +10New 20.40% 500.00 0 0 0New 20.79%
0 0In the money 0New 19.76% 505.00 0 0 0New 19.61%
0 0In the money 0New 19.44% 510.00 0 1 +1New 17.40%
0 0In the money 0New 18.54% 515.00 0 1 +1New 17.07%
0 2In the money +2New 18.16% 520.00 0 0 0New 17.35%
0 7In the money +7New 17.92% 525.00 0 1 +1New 16.57%
0 0In the money 0New 17.52% 530.00 0 1 +1New 16.06%
0 0In the money 0New 16.94% 535.00 0 0 0New 15.97%
0 0In the money 0New 16.77% 540.00 0 1 +1New 15.22%
STOCK PRICE $544.70
0 0 0New 16.40% 545.00NEAREST ATM 0 12In the money +12New 14.94%
0 5 +5New 15.63% 550.00 0 0In the money 0New 14.90%
0 9 +9New 15.43% 555.00 0 0In the money 0New 14.36%
0 0 0New 15.03% 560.00 0 0In the money 0New 13.92%
Showing strikes 1–50 of 78
Dec 18, 2026EXPIRATION164 contracts / 82 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $545.00
Jump to ATM
BRK.B option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
147 147In the money 0 91.05% 210.00 343 343 0 118.24%
72 72In the money 0 67.29% 220.00 774 774 0 112.92%
22 22In the money 0 77.08% 230.00 49 49 0 107.84%
14 14In the money 0 65.12% 240.00 29 29 0 102.98%
10 10In the money 0 70.88% 250.00 22 22 0 98.33%
59 59In the money 0 0.00% 260.00 110 110 0 93.85%
7 7In the money 0 0.00% 270.00 66 66 0 81.88%
61 61In the money 0 56.92% 280.00 510 510 0 71.01%
10 10In the money 0 49.29% 290.00 181 181 0 64.16%
365 304In the money -61 0.00% 300.00 329 329 0 54.67%
16 16In the money 0 54.12% 310.00 119 119 0 57.93%
45 45In the money 0 52.80% 320.00 117 117 0 70.13%
35 35In the money 0 51.20% 330.00 110 110 0 66.58%
12 12In the money 0 0.00% 340.00 170 170 0 63.17%
57 57In the money 0 0.00% 350.00 345 335 -10 42.18%
0 0In the money 0New 41.14% 355.00 0 0 0New 53.47%
43 43In the money 0 0.00% 360.00 138 138 0 44.96%
0 0In the money 0New 29.20% 365.00 0 0 0New 53.98%
41 41In the money 0 35.52% 370.00 660 660 0 46.96%
0 0In the money 0New 33.50% 375.00 35 35 0 45.61%
52 52In the money 0 36.19% 380.00 890 890 0 49.36%
14 14In the money 0 0.00% 385.00 51 51 0 46.11%
176 176In the money 0 35.60% 390.00 490 490 0 37.28%
1 1In the money 0 34.78% 395.00 108 108 0 42.21%
320 319In the money -1 37.78% 400.00 549 532 -17 37.29%
3 3In the money 0 33.04% 405.00 246 246 0 35.20%
258 258In the money 0 32.61% 410.00 1,367 1,368 +1 35.41%
8 8In the money 0 30.22% 415.00 275 263 -12 33.24%
159 159In the money 0 33.80% 420.00 563 543 -20 30.79%
38 38In the money 0 30.39% 425.00 1,260 1,260 0 37.35%
233 232In the money -1 30.50% 430.00 1,088 1,088 0 32.49%
335 335In the money 0 32.11% 435.00 458 455 -3 32.07%
182 182In the money 0 30.15% 440.00 2,148 2,200 +52 29.30%
103 102In the money -1 30.71% 445.00 815 815 0 26.27%
443 441In the money -2 28.23% 450.00 2,680 2,741 +61 27.04%
146 146In the money 0 27.44% 455.00 934 942 +8 26.33%
297 297In the money 0 26.86% 460.00 10,278 10,278 0 25.56%
326 326In the money 0 26.72% 465.00 910 909 -1 24.31%
873 873In the money 0 25.81% 470.00 1,358 1,359 +1 24.74%
114 114In the money 0 24.14% 475.00 898 908 +10 22.99%
478 438In the money -40 24.05% 480.00 1,998 2,026 +28 22.13%
110 107In the money -3 23.20% 485.00 998 976 -22 21.97%
530 523In the money -7 21.78% 490.00 1,426 1,451 +25 20.89%
234 227In the money -7 21.40% 495.00 753 768 +15 20.23%
1,634 1,472In the money -162 20.32% 500.00 2,887 2,861 -26 19.42%
527 524In the money -3 20.21% 505.00 774 819 +45 19.02%
2,146 2,008In the money -138 19.41% 510.00 734 765 +31 18.86%
585 570In the money -15 18.91% 515.00 398 430 +32 18.14%
2,493 2,358In the money -135 18.01% 520.00 563 684 +121 17.53%
803 783In the money -20 17.15% 525.00 196 295 +99 17.09%
Showing strikes 1–50 of 82
Jan 15, 2027EXPIRATION106 contracts / 53 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $540.00
Jump to ATM
BRK.B option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1,118 1,118In the money 0 79.84% 230.00 696 696 0 62.22%
36 36In the money 0 78.35% 240.00 103 103 0 62.65%
466 466In the money 0 70.94% 250.00 113 113 0 60.05%
9 9In the money 0 70.71% 260.00 120 120 0 77.10%
124 124In the money 0 63.16% 270.00 1,537 1,537 0 73.63%
409 409In the money 0 63.67% 280.00 59 59 0 55.34%
726 726In the money 0 53.20% 290.00 320 320 0 63.34%
8,970 8,965In the money -5 54.56% 300.00 1,120 1,120 0 46.43%
10,451 10,448In the money -3 52.18% 310.00 264 264 0 60.95%
1,013 1,013In the money 0 53.92% 320.00 233 233 0 42.51%
117 117In the money 0 47.54% 330.00 188 188 0 51.96%
23 23In the money 0 45.28% 340.00 422 422 0 47.17%
110 110In the money 0 46.17% 350.00 635 635 0 40.41%
280 280In the money 0 40.56% 360.00 243 243 0 37.77%
174 174In the money 0 39.55% 370.00 1,688 1,688 0 36.92%
272 272In the money 0 39.14% 380.00 1,170 1,170 0 33.32%
95 94In the money -1 38.12% 390.00 975 975 0 33.31%
787 784In the money -3 35.49% 400.00 3,745 3,745 0 30.44%
752 751In the money -1 33.97% 410.00 949 939 -10 33.83%
2,525 2,527In the money +2 32.22% 420.00 2,262 2,256 -6 28.77%
897 897In the money 0 30.29% 430.00 2,839 2,839 0 28.05%
752 770In the money +18 27.79% 440.00 1,656 1,655 -1 25.54%
1,675 1,669In the money -6 26.24% 450.00 2,881 2,880 -1 24.31%
712 712In the money 0 25.51% 460.00 2,810 2,812 +2 23.84%
635 625In the money -10 23.96% 470.00 3,593 3,612 +19 22.68%
1,471 1,438In the money -33 22.52% 480.00 5,086 5,085 -1 20.98%
1,793 1,773In the money -20 21.31% 490.00 3,306 3,322 +16 19.90%
17,157 16,325In the money -832 19.87% 500.00 3,053 3,074 +21 18.78%
10,957 10,923In the money -34 18.81% 510.00 1,227 1,814 +587 17.96%
7,725 7,696In the money -29 17.70% 520.00 2,299 2,420 +121 17.18%
4,363 4,290In the money -73 17.05% 530.00 842 874 +32 16.49%
5,812 5,790In the money -22 16.14% 540.00NEAREST ATM 426 501 +75 16.05%
STOCK PRICE $544.70
6,759 7,129 +370 15.51% 550.00 105 309In the money +204 15.60%
2,220 2,406 +186 15.05% 560.00 27 45In the money +18 15.09%
3,423 3,477 +54 14.40% 570.00 10 20In the money +10 13.66%
2,070 2,280 +210 14.33% 580.00 1 4In the money +3 13.32%
1,488 1,498 +10 14.74% 590.00 0 0In the money 0New 0.00%
3,555 3,638 +83 14.41% 600.00 0 0In the money 0New 0.00%
391 410 +19 14.09% 610.00 0 0In the money 0New 0.00%
529 529 0 14.40% 620.00 0 0In the money 0New 0.00%
789 788 -1 15.51% 630.00 0 0In the money 0New 0.00%
126 126 0 16.55% 640.00 0 0In the money 0New 0.00%
402 402 0 20.97% 650.00 0 2In the money +2New 0.00%
715 715 0 22.36% 660.00 0 0In the money 0New 0.00%
702 702 0 18.53% 670.00 0 0In the money 0New 0.00%
170 170 0 18.07% 680.00 0 0In the money 0New 0.00%
431 431 0 24.39% 690.00 0 0In the money 0New 0.00%
428 428 0 21.99% 700.00 0 3In the money +3New 0.00%
211 211 0 29.02% 710.00 0 0In the money 0New 0.00%
143 143 0 30.28% 720.00 0 0In the money 0New 0.00%
Showing strikes 1–50 of 53
Mar 19, 2027EXPIRATION138 contracts / 69 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $545.00
Jump to ATM
BRK.B option chain expiring 2027-03-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
10 10In the money 0 0.00% 250.00 105 94 -11 49.63%
0 0In the money 0New 0.00% 260.00 1 1 0 55.91%
1 1In the money 0 0.00% 270.00 25 25 0 56.42%
15 15In the money 0 0.00% 280.00 23 23 0 53.88%
69 69In the money 0 0.00% 290.00 12 12 0 51.47%
2 2In the money 0 0.00% 300.00 62 67 +5 41.62%
33 33In the money 0 0.00% 310.00 11 11 0 45.66%
1 1In the money 0 0.00% 320.00 120 120 0 44.09%
5 5In the money 0 0.00% 330.00 29 29 0 42.64%
4 4In the money 0 0.00% 340.00 25 25 0 38.97%
12 12In the money 0 0.00% 350.00 136 136 0 36.61%
1 1In the money 0 29.04% 360.00 223 223 0 34.70%
3 3In the money 0 0.00% 370.00 206 207 +1 35.02%
18 18In the money 0 29.28% 380.00 444 444 0 30.54%
5 5In the money 0 28.25% 390.00 151 158 +7 29.77%
0 0In the money 0New 27.40% 395.00 38 41 +3 29.32%
11 11In the money 0 27.37% 400.00 185 185 0 27.66%
1 1In the money 0 27.12% 405.00 8 8 0 28.09%
4 4In the money 0 26.68% 410.00 694 697 +3 27.17%
0 0In the money 0New 25.38% 415.00 225 225 0 26.66%
498 498In the money 0 25.79% 420.00 435 435 0 26.05%
3 3In the money 0 24.81% 425.00 170 170 0 25.87%
18 17In the money -1 24.59% 430.00 840 839 -1 25.50%
2 2In the money 0 24.29% 435.00 334 334 0 24.42%
234 234In the money 0 23.59% 440.00 290 298 +8 24.22%
0 0In the money 0New 23.19% 445.00 103 111 +8 23.72%
52 60In the money +8 22.81% 450.00 771 773 +2 23.12%
0 0In the money 0New 22.37% 455.00 436 443 +7 22.68%
32 33In the money +1 22.23% 460.00 2,553 2,559 +6 21.60%
13 13In the money 0 21.50% 465.00 1,159 1,167 +8 20.79%
112 108In the money -4 21.22% 470.00 583 583 0 21.07%
9 8In the money -1 21.07% 475.00 974 978 +4 20.89%
136 136In the money 0 20.20% 480.00 1,145 1,148 +3 20.08%
34 34In the money 0 19.81% 485.00 417 422 +5 19.90%
226 225In the money -1 19.84% 490.00 539 576 +37 19.75%
52 52In the money 0 19.54% 495.00 295 291 -4 19.61%
199 190In the money -9 19.24% 500.00 863 986 +123 19.07%
150 150In the money 0 18.84% 505.00 505 508 +3 18.52%
262 262In the money 0 18.63% 510.00 680 666 -14 18.47%
114 116In the money +2 18.21% 515.00 162 179 +17 18.20%
582 575In the money -7 18.07% 520.00 427 1,009 +582 17.99%
488 504In the money +16 17.88% 525.00 148 154 +6 17.77%
1,190 1,120In the money -70 17.20% 530.00 77 151 +74 17.53%
254 298In the money +44 17.42% 535.00 17 47 +30 16.95%
901 1,263In the money +362 17.23% 540.00 43 53 +10 16.68%
STOCK PRICE $544.70
326 335 +9 16.82% 545.00NEAREST ATM 58 139In the money +81 16.23%
509 595 +86 16.23% 550.00 73 97In the money +24 16.12%
363 368 +5 16.61% 555.00 17 44In the money +27 15.80%
716 729 +13 16.33% 560.00 64 64In the money 0 15.55%
253 315 +62 16.10% 565.00 1 1In the money 0 15.40%
Showing strikes 1–50 of 69
Jun 17, 2027EXPIRATION140 contracts / 70 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $545.00
Jump to ATM
BRK.B option chain expiring 2027-06-17, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
153 153In the money 0 31.97% 250.00 141 141 0 41.86%
4 4In the money 0 39.90% 260.00 34 34 0 38.83%
0 0In the money 0New 35.73% 270.00 34 34 0 43.46%
1 1In the money 0 0.00% 280.00 13 13 0 40.90%
0 0In the money 0New 33.13% 290.00 36 36 0 38.49%
115 115In the money 0 33.86% 300.00 146 146 0 39.12%
3 3In the money 0 33.84% 310.00 328 328 0 35.32%
133 133In the money 0 31.26% 320.00 63 63 0 32.56%
39 39In the money 0 31.43% 330.00 60 60 0 32.67%
33 33In the money 0 28.90% 340.00 208 208 0 32.36%
29 29In the money 0 29.12% 350.00 117 117 0 32.10%
60 60In the money 0 29.77% 360.00 178 184 +6 29.00%
104 104In the money 0 28.63% 370.00 75 75 0 29.42%
75 75In the money 0 27.87% 380.00 103 91 -12 28.42%
25 25In the money 0 27.16% 390.00 98 95 -3 27.49%
395 394In the money -1 25.89% 400.00 815 815 0 26.60%
601 601In the money 0 25.13% 410.00 224 224 0 25.28%
51 51In the money 0 24.27% 420.00 537 536 -1 24.41%
0 0In the money 0New 23.67% 425.00 5 5 0 24.09%
54 54In the money 0 23.47% 430.00 600 603 +3 23.24%
0 0In the money 0New 23.04% 435.00 12 12 0 23.18%
43 42In the money -1 22.71% 440.00 741 736 -5 22.79%
0 0In the money 0New 22.35% 445.00 0 0 0New 22.49%
111 110In the money -1 21.97% 450.00 1,097 1,099 +2 22.04%
0 0In the money 0New 21.61% 455.00 6 9 +3 21.60%
49 47In the money -2 21.44% 460.00 573 574 +1 21.34%
0 0In the money 0New 21.01% 465.00 12 12 0 20.92%
145 119In the money -26 20.72% 470.00 1,005 1,006 +1 20.87%
0 0In the money 0New 20.31% 475.00 6 6 0 20.35%
587 576In the money -11 20.23% 480.00 803 800 -3 20.04%
0 0In the money 0New 19.84% 485.00 94 94 0 19.62%
358 358In the money 0 19.56% 490.00 493 498 +5 19.66%
1 1In the money 0 19.22% 495.00 10 11 +1 19.02%
575 577In the money +2 19.17% 500.00 615 630 +15 19.01%
0 2In the money +2New 18.96% 505.00 0 0 0New 18.86%
284 282In the money -2 18.73% 510.00 366 378 +12 18.52%
0 1In the money +1New 18.55% 515.00 0 5 +5New 18.26%
1,524 1,522In the money -2 18.45% 520.00 599 600 +1 18.06%
0 0In the money 0New 18.15% 525.00 12 14 +2 17.78%
632 634In the money +2 17.98% 530.00 639 659 +20 17.40%
1 2In the money +1 17.73% 535.00 7 29 +22 17.28%
616 637In the money +21 17.62% 540.00 112 120 +8 17.08%
STOCK PRICE $544.70
0 6 +6New 17.49% 545.00NEAREST ATM 5 57In the money +52 16.87%
1,306 1,382 +76 17.32% 550.00 281 294In the money +13 16.77%
12 28 +16 17.13% 555.00 0 98In the money +98New 16.40%
1,802 1,812 +10 16.77% 560.00 51 51In the money 0 16.34%
38 54 +16 16.81% 565.00 3 3In the money 0 16.07%
531 552 +21 16.74% 570.00 0 0In the money 0New 15.91%
13 31 +18 16.54% 575.00 0 0In the money 0New 15.79%
768 790 +22 16.42% 580.00 0 0In the money 0New 15.58%
Showing strikes 1–50 of 70
Sep 17, 2027EXPIRATION100 contracts / 50 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $540.00
Jump to ATM
BRK.B option chain expiring 2027-09-17, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
9 9In the money 0 29.52% 250.00 189 189 0 43.19%
0 0In the money 0New 30.81% 260.00 0 0 0New 41.46%
9 9In the money 0 30.94% 270.00 11 11 0 39.82%
0 0In the money 0New 30.63% 280.00 4 4 0 38.26%
1 1In the money 0 30.10% 290.00 5 5 0 36.75%
0 0In the money 0New 29.42% 300.00 11 11 0 31.70%
1 1In the money 0 29.24% 310.00 14 14 0 34.92%
1 1In the money 0 29.40% 320.00 7 7 0 29.67%
3 3In the money 0 28.85% 330.00 11 11 0 32.07%
1 1In the money 0 28.18% 340.00 0 0 0New 29.50%
0 0In the money 0New 27.43% 350.00 4 4 0 28.71%
1 1In the money 0 26.93% 360.00 16 16 0 27.90%
1 1In the money 0 26.45% 370.00 2 2 0 27.16%
1 1In the money 0 26.02% 380.00 27 27 0 26.36%
2 2In the money 0 25.45% 390.00 48 48 0 25.63%
124 124In the money 0 24.41% 400.00 243 239 -4 24.91%
10 10In the money 0 23.94% 410.00 143 143 0 24.20%
3 3In the money 0 23.47% 420.00 53 56 +3 23.31%
10 10In the money 0 22.77% 430.00 37 37 0 23.19%
18 18In the money 0 22.18% 440.00 42 44 +2 22.36%
7 7In the money 0 21.67% 450.00 65 80 +15 21.65%
11 11In the money 0 21.09% 460.00 122 121 -1 21.13%
1 1In the money 0 20.69% 470.00 203 203 0 20.60%
17 17In the money 0 20.10% 480.00 152 405 +253 20.13%
20 20In the money 0 19.64% 490.00 217 816 +599 19.65%
243 241In the money -2 19.24% 500.00 264 1,338 +1,074 19.40%
94 94In the money 0 19.00% 510.00 118 119 +1 18.82%
97 95In the money -2 18.54% 520.00 587 589 +2 18.22%
80 73In the money -7 18.45% 530.00 55 59 +4 18.02%
285 285In the money 0 17.91% 540.00NEAREST ATM 116 403 +287 17.81%
STOCK PRICE $544.70
142 158 +16 17.43% 550.00 57 66In the money +9 17.48%
213 216 +3 17.31% 560.00 13 67In the money +54 17.02%
106 119 +13 17.00% 570.00 1 48In the money +47 16.66%
258 272 +14 16.46% 580.00 0 0In the money 0New 16.68%
117 1,159 +1,042 16.38% 590.00 0 0In the money 0New 15.76%
244 1,314 +1,070 16.01% 600.00 0 0In the money 0New 15.60%
79 878 +799 15.87% 610.00 4 3In the money -1 15.06%
185 212 +27 15.66% 620.00 0 0In the money 0New 0.00%
54 61 +7 15.48% 630.00 0 0In the money 0New 0.00%
92 101 +9 15.60% 640.00 0 0In the money 0New 0.00%
74 88 +14 15.54% 650.00 0 0In the money 0New 0.00%
27 43 +16 15.50% 660.00 0 0In the money 0New 0.00%
1 60 +59 15.46% 670.00 0 0In the money 0New 0.00%
1 1 0 15.15% 680.00 0 0In the money 0New 0.00%
0 0 0New 15.19% 690.00 0 0In the money 0New 0.00%
1 1 0 15.33% 700.00 0 0In the money 0New 0.00%
0 0 0New 15.23% 710.00 0 0In the money 0New 0.00%
3 3 0 15.27% 720.00 0 0In the money 0New 0.00%
1 1 0 15.31% 730.00 0 0In the money 0New 0.00%
16 16 0 15.46% 740.00 0 0In the money 0New 0.00%
Jan 21, 2028EXPIRATION100 contracts / 50 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $540.00
Jump to ATM
BRK.B option chain expiring 2028-01-21, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
164 162In the money -2 34.60% 250.00 3,129 3,129 0 33.49%
62 62In the money 0 32.40% 260.00 656 656 0 36.72%
14 14In the money 0 30.22% 270.00 192 117 -75 31.35%
47 47In the money 0 31.43% 280.00 49 49 0 30.73%
4 4In the money 0 29.52% 290.00 21 23 +2 27.64%
104 104In the money 0 30.05% 300.00 212 211 -1 29.58%
7 7In the money 0 28.31% 310.00 132 132 0 30.97%
585 585In the money 0 28.46% 320.00 84 84 0 29.24%
15,405 15,385In the money -20 28.34% 330.00 93 93 0 27.79%
3,305 3,304In the money -1 27.16% 340.00 70 70 0 27.37%
1,821 1,824In the money +3 26.48% 350.00 269 269 0 26.99%
416 416In the money 0 26.07% 360.00 85 85 0 25.90%
360 369In the money +9 25.74% 370.00 293 293 0 25.28%
383 383In the money 0 25.09% 380.00 211 209 -2 24.84%
110 110In the money 0 23.93% 390.00 256 256 0 24.11%
395 396In the money +1 24.00% 400.00 1,606 1,606 0 23.58%
66 66In the money 0 23.16% 410.00 888 888 0 22.91%
85 85In the money 0 22.63% 420.00 355 355 0 23.03%
71 71In the money 0 22.03% 430.00 664 664 0 22.43%
112 112In the money 0 21.85% 440.00 2,612 2,612 0 21.89%
1,281 1,279In the money -2 21.29% 450.00 559 559 0 21.28%
883 886In the money +3 20.82% 460.00 513 513 0 20.78%
182 183In the money +1 20.43% 470.00 879 878 -1 20.49%
188 188In the money 0 20.34% 480.00 621 621 0 20.14%
273 273In the money 0 19.82% 490.00 1,130 1,128 -2 19.81%
1,292 1,289In the money -3 19.53% 500.00 990 972 -18 19.40%
256 257In the money +1 19.10% 510.00 1,095 1,092 -3 19.12%
638 717In the money +79 18.87% 520.00 723 749 +26 18.66%
1,603 1,592In the money -11 18.38% 530.00 282 284 +2 18.36%
12,025 11,774In the money -251 18.31% 540.00NEAREST ATM 308 309 +1 17.98%
STOCK PRICE $544.70
13,415 14,637 +1,222 17.94% 550.00 889 890In the money +1 17.58%
2,913 2,908 -5 17.77% 560.00 277 277In the money 0 17.52%
2,822 2,828 +6 17.50% 570.00 79 79In the money 0 17.23%
2,150 2,167 +17 17.01% 580.00 49 49In the money 0 16.74%
874 867 -7 16.99% 590.00 0 0In the money 0New 16.60%
1,541 1,558 +17 16.59% 600.00 70 94In the money +24 16.16%
171 167 -4 16.45% 610.00 1 1In the money 0 15.99%
998 1,212 +214 16.25% 620.00 0 0In the money 0New 15.40%
940 959 +19 16.23% 630.00 0 0In the money 0New 0.00%
2,100 2,112 +12 15.86% 640.00 0 0In the money 0New 0.00%
380 393 +13 15.77% 650.00 0 0In the money 0New 0.00%
400 401 +1 15.90% 660.00 0 0In the money 0New 18.78%
308 308 0 15.54% 670.00 0 0In the money 0New 19.77%
214 254 +40 15.66% 680.00 0 0In the money 0New 20.72%
468 470 +2 15.73% 690.00 0 0In the money 0New 0.00%
843 846 +3 15.52% 700.00 0 0In the money 0New 0.00%
289 289 0 15.25% 710.00 0 0In the money 0New 0.00%
300 301 +1 15.32% 720.00 0 0In the money 0New 0.00%
397 397 0 15.32% 730.00 0 0In the money 0New 0.00%
1,351 1,353 +2 15.37% 740.00 0 0In the money 0New 0.00%
Dec 15, 2028EXPIRATION100 contracts / 50 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $540.00
Jump to ATM
BRK.B option chain expiring 2028-12-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
87 87In the money 0 24.56% 250.00 213 213 0 27.28%
10 10In the money 0 23.20% 260.00 22 22 0 29.40%
6 6In the money 0 21.87% 270.00 13 13 0 28.27%
38 38In the money 0 24.39% 280.00 35 35 0 27.87%
2 2In the money 0 23.23% 290.00 16 17 +1 27.48%
409 411In the money +2 24.23% 300.00 76 76 0 26.30%
3 3In the money 0 24.52% 310.00 16 16 0 25.88%
5 4In the money -1 24.03% 320.00 115 115 0 25.47%
18 18In the money 0 23.50% 330.00 9 9 0 25.10%
175 175In the money 0 23.40% 340.00 72 72 0 24.66%
81 81In the money 0 22.25% 350.00 276 276 0 24.63%
23 23In the money 0 22.87% 360.00 53 53 0 24.03%
41 41In the money 0 22.80% 370.00 33 33 0 23.57%
61 61In the money 0 22.62% 380.00 100 100 0 23.23%
88 88In the money 0 22.27% 390.00 64 64 0 22.90%
708 666In the money -42 22.23% 400.00 570 570 0 22.58%
37 36In the money -1 22.02% 410.00 167 167 0 22.26%
200 200In the money 0 21.66% 420.00 714 712 -2 22.01%
54 54In the money 0 21.38% 430.00 120 121 +1 21.69%
51 51In the money 0 21.33% 440.00 115 114 -1 21.48%
433 433In the money 0 21.13% 450.00 145 145 0 20.82%
285 285In the money 0 20.88% 460.00 263 262 -1 20.95%
326 317In the money -9 20.56% 470.00 276 276 0 20.63%
269 268In the money -1 20.39% 480.00 463 463 0 20.36%
247 245In the money -2 20.23% 490.00 241 241 0 19.96%
375 376In the money +1 20.02% 500.00 1,479 1,493 +14 19.91%
71 72In the money +1 19.69% 510.00 581 581 0 19.69%
133 137In the money +4 19.50% 520.00 1,115 1,113 -2 19.45%
384 384In the money 0 19.37% 530.00 152 153 +1 19.24%
106 108In the money +2 19.21% 540.00NEAREST ATM 67 68 +1 18.85%
STOCK PRICE $544.70
1,197 1,197 0 19.02% 550.00 1,220 1,267In the money +47 18.65%
938 938 0 18.84% 560.00 326 326In the money 0 18.34%
2,663 2,663 0 18.58% 570.00 29 29In the money 0 18.18%
2,233 2,233 0 18.63% 580.00 65 65In the money 0 17.99%
1,874 1,874 0 18.29% 590.00 378 378In the money 0 17.70%
1,248 1,285 +37 18.25% 600.00 250 250In the money 0 17.47%
291 292 +1 17.92% 610.00 0 0In the money 0New 17.21%
255 265 +10 17.84% 620.00 5 5In the money 0 16.92%
413 413 0 17.74% 630.00 0 0In the money 0New 16.83%
288 288 0 17.52% 640.00 0 0In the money 0New 16.43%
352 354 +2 17.26% 650.00 0 0In the money 0New 0.00%
127 127 0 17.23% 660.00 0 0In the money 0New 0.00%
560 560 0 17.05% 670.00 0 0In the money 0New 0.00%
127 128 +1 16.86% 680.00 0 0In the money 0New 0.00%
122 122 0 16.78% 690.00 0 0In the money 0New 0.00%
435 434 -1 16.71% 700.00 0 0In the money 0New 20.82%
41 41 0 16.62% 710.00 0 0In the money 0New 21.60%
41 41 0 16.57% 720.00 0 0In the money 0New 22.35%
538 538 0 16.58% 730.00 0 0In the money 0New 23.09%
1,500 1,505 +5 16.48% 740.00 0 0In the money 0New 23.82%
Jan 19, 2029EXPIRATION96 contracts / 48 strikes
SAVED STOCK PRICE$544.70Nearest ATM strike $540.00
Jump to ATM
BRK.B option chain expiring 2029-01-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
33 33In the money 0 23.57% 260.00 54 54 0 26.93%
0 0In the money 0New 21.85% 270.00 21 21 0 30.63%
0 0In the money 0New 23.93% 280.00 1 1 0 29.40%
0 0In the money 0New 22.56% 290.00 2 2 0 28.20%
1 1In the money 0 23.42% 300.00 0 0 0New 26.15%
0 0In the money 0New 23.81% 320.00 8 8 0 25.81%
1 1In the money 0 23.19% 330.00 0 0 0New 24.97%
37 37In the money 0 23.02% 340.00 6 6 0 24.16%
0 0In the money 0New 22.74% 350.00 1 1 0 23.98%
11 11In the money 0 22.74% 360.00 0 0 0New 23.96%
0 0In the money 0New 22.30% 370.00 2 2 0 23.32%
10 10In the money 0 22.10% 380.00 12 12 0 23.01%
26 26In the money 0 21.82% 390.00 1 1 0 22.85%
20 20In the money 0 21.93% 400.00 100 100 0 22.42%
12 12In the money 0 21.70% 410.00 1 1 0 22.26%
1 1In the money 0 21.40% 420.00 23 23 0 22.00%
0 0In the money 0New 21.38% 430.00 4 4 0 21.72%
1 1In the money 0 21.10% 440.00 1 1 0 21.44%
14 14In the money 0 20.77% 450.00 13 14 +1 20.85%
7 7In the money 0 20.66% 460.00 11 10 -1 20.89%
11 11In the money 0 20.47% 470.00 6 7 +1 20.66%
15 15In the money 0 20.21% 480.00 10 10 0 20.40%
24 24In the money 0 20.12% 490.00 53 73 +20 20.26%
14 15In the money +1 19.76% 500.00 86 90 +4 19.97%
25 26In the money +1 19.71% 510.00 22 22 0 19.70%
14 17In the money +3 19.42% 520.00 31 31 0 19.48%
13 13In the money 0 19.25% 530.00 68 64 -4 19.30%
24 78In the money +54 19.11% 540.00NEAREST ATM 32 33 +1 19.06%
STOCK PRICE $544.70
12 20 +8 19.10% 550.00 201 201In the money 0 18.83%
9 9 0 18.91% 560.00 227 227In the money 0 18.51%
16 22 +6 18.78% 570.00 0 0In the money 0New 18.24%
3 17 +14 18.42% 580.00 1 11In the money +10 18.05%
26 26 0 18.32% 590.00 1 1In the money 0 17.81%
41 66 +25 18.24% 600.00 0 1In the money +1New 17.60%
5 5 0 18.12% 610.00 0 0In the money 0New 17.31%
3 11 +8 17.94% 620.00 0 9In the money +9New 17.08%
7 8 +1 17.83% 630.00 0 0In the money 0New 16.88%
6 6 0 17.70% 640.00 0 0In the money 0New 16.32%
61 63 +2 17.34% 650.00 0 0In the money 0New 0.00%
33 34 +1 17.41% 660.00 0 0In the money 0New 0.00%
0 0 0New 17.28% 670.00 0 0In the money 0New 0.00%
0 19 +19New 17.11% 680.00 0 0In the money 0New 0.00%
2 2 0 17.03% 690.00 0 0In the money 0New 0.00%
25 37 +12 16.96% 700.00 0 0In the money 0New 20.72%
9 10 +1 16.87% 710.00 0 0In the money 0New 21.48%
2 2 0 16.85% 720.00 0 0In the money 0New 22.23%
3 3 0 16.73% 730.00 0 0In the money 0New 22.96%
131 131 0 16.59% 740.00 0 0In the money 0New 23.67%

Click an OI number to view that contract's history. Click an expiration to show or hide its contracts. Unobserved daily OI is treated as zero; an empty call/put side means no contract at that strike.

←→ Saved days

Contract OI history

Open full view