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

BIIB

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $246.39 · 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
1,304 contracts / 15 expirationsClick OI for history
Oct 23, 2026EXPIRATION106 contracts / 53 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $247.50
Jump to ATM
BIIB 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% 110.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 115.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 120.00 1 1 0 0.00%
0 0In the money 0New 0.00% 125.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 130.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 135.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 140.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 145.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 150.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 155.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 160.00 0 0 0New 0.00%
0 0In the money 0New 821.43% 165.00 0 0 0New 0.00%
0 0In the money 0New 780.81% 170.00 0 0 0New 0.00%
0 0In the money 0New 704.37% 175.00 0 0 0New 817.75%
0 0In the money 0New 774.13% 180.00 0 0 0New 761.78%
0 0In the money 0New 593.89% 185.00 1 1 0 706.93%
0 0In the money 0New 612.84% 190.00 0 0 0New 653.07%
0 0In the money 0New 533.94% 192.50 0 0 0New 626.47%
0 0In the money 0New 538.06% 195.00 0 0 0New 600.07%
0 0In the money 0New 487.16% 197.50 0 0 0New 577.01%
0 0In the money 0New 464.02% 200.00 7 7 0 550.86%
0 0In the money 0New 331.55% 202.50 53 53 0 524.85%
0 0In the money 0New 456.31% 205.00 0 0 0New 498.97%
0 0In the money 0New 479.26% 207.50 6 6 0 470.46%
2 2In the money 0 463.45% 210.00 12 12 0 444.88%
0 0In the money 0New 427.53% 212.50 6 6 0 419.36%
7 6In the money -1 401.73% 215.00 309 309 0 393.89%
1 1In the money 0 375.92% 217.50 0 0 0New 368.42%
208 203In the money -5 370.95% 220.00 764 764 0 342.91%
1 1In the money 0 324.16% 222.50 7 7 0 319.46%
209 204In the money -5 298.11% 225.00 54 54 0 293.64%
4 3In the money -1 271.87% 227.50 3 2 -1 267.64%
411 410In the money -1 245.34% 230.00 522 521 -1 180.70%
14 12In the money -2 237.44% 232.50 275 277 +2 200.74%
32 18In the money -14 190.93% 235.00 21 22 +1 135.78%
10 8In the money -2 168.25% 237.50 1 2 +1 153.62%
294 162In the money -132 150.68% 240.00 12 12 0 90.34%
16 33In the money +17 121.97% 242.50 3 3 0 107.19%
79 81In the money +2 104.36% 245.00 1 19 +18 55.86%
STOCK PRICE $246.39
23 23 0 111.08% 247.50NEAREST ATM 0 5In the money +5New 45.00%
71 70 -1 113.66% 250.00 0 123In the money +123New 0.00%
5 13 +8 132.90% 252.50 0 0In the money 0New 0.00%
3 13 +10 96.45% 255.00 0 0In the money 0New 0.00%
1 1 0 173.17% 257.50 2 2In the money 0 0.00%
48 54 +6 201.66% 260.00 0 0In the money 0New 0.00%
389 280 -109 155.14% 265.00 0 0In the money 0New 0.00%
1 121 +120 205.02% 270.00 0 0In the money 0New 0.00%
0 155 +155New 272.73% 275.00 0 0In the money 0New 0.00%
0 0 0New 352.81% 280.00 0 0In the money 0New 0.00%
0 0 0New 402.76% 285.00 0 0In the money 0New 0.00%
Showing strikes 1–50 of 53
Oct 30, 2026EXPIRATION110 contracts / 55 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $247.50
Jump to ATM
BIIB option chain expiring 2026-10-30, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 1In the money +1New 304.24% 110.00 0 0 0New 319.89%
0 0In the money 0New 233.44% 115.00 0 0 0New 304.08%
0 0In the money 0New 274.00% 120.00 0 0 0New 288.93%
0 0In the money 0New 235.72% 125.00 0 0 0New 275.60%
0 0In the money 0New 246.21% 130.00 0 0 0New 261.57%
0 0In the money 0New 233.10% 135.00 0 0 0New 248.06%
0 0In the money 0New 206.05% 140.00 0 0 0New 235.01%
0 0In the money 0New 212.98% 145.00 0 0 0New 222.40%
0 0In the money 0New 200.96% 150.00 0 0 0New 210.17%
0 0In the money 0New 162.62% 155.00 0 0 0New 198.31%
0 0In the money 0New 152.44% 160.00 0 0 0New 186.77%
0 0In the money 0New 153.96% 165.00 0 0 0New 175.54%
0 0In the money 0New 132.96% 170.00 0 0 0New 164.58%
0 0In the money 0New 123.61% 175.00 0 0 0New 153.88%
2 2In the money 0 122.14% 180.00 1 1 0 144.13%
0 0In the money 0New 116.93% 185.00 2 2 0 133.83%
0 0In the money 0New 118.71% 190.00 39 39 0 124.34%
1 1In the money 0 111.50% 195.00 1 1 0 114.35%
0 0In the money 0New 92.24% 197.50 0 0 0New 109.41%
0 0In the money 0New 104.01% 200.00 18 18 0 105.05%
0 0In the money 0New 92.05% 202.50 4 4 0 100.68%
0 0In the money 0New 82.10% 205.00 23 23 0 96.29%
0 0In the money 0New 94.19% 207.50 0 0 0New 92.36%
4 4In the money 0 90.94% 210.00 185 185 0 87.45%
0 0In the money 0New 79.68% 212.50 0 0 0New 84.73%
1 2In the money +1 85.47% 215.00 244 244 0 80.96%
0 0In the money 0New 75.79% 217.50 1 1 0 76.70%
39 39In the money 0 72.20% 220.00 30 30 0 76.54%
0 0In the money 0New 70.45% 222.50 1 1 0 69.62%
54 54In the money 0 70.58% 225.00 57 58 +1 65.31%
1 1In the money 0 68.29% 227.50 4 4 0 62.61%
21 22In the money +1 70.46% 230.00 13 14 +1 64.40%
10 13In the money +3 69.26% 232.50 2 3 +1 59.18%
23 22In the money -1 67.01% 235.00 18 820 +802 59.31%
4 7In the money +3 66.21% 237.50 5 6 +1 55.23%
317 316In the money -1 65.07% 240.00 35 40 +5 55.36%
3 3In the money 0 64.31% 242.50 0 8 +8New 53.04%
16 16In the money 0 64.24% 245.00 0 0 0New 54.24%
STOCK PRICE $246.39
0 0 0New 62.28% 247.50NEAREST ATM 0 1In the money +1New 54.07%
13 16 +3 63.12% 250.00 0 2In the money +2New 53.68%
0 3 +3New 64.28% 252.50 0 0In the money 0New 51.90%
19 28 +9 62.04% 255.00 1 13In the money +12 50.52%
0 6 +6New 61.60% 257.50 0 0In the money 0New 49.61%
1 11 +10 59.45% 260.00 0 0In the money 0New 48.88%
0 0 0New 60.26% 262.50 0 0In the money 0New 47.93%
0 0 0New 60.63% 265.00 0 0In the money 0New 50.58%
2 2 0 59.90% 270.00 0 0In the money 0New 50.81%
6 7 +1 63.79% 275.00 0 0In the money 0New 39.56%
0 0 0New 66.75% 280.00 0 0In the money 0New 0.00%
0 3 +3New 64.42% 285.00 0 0In the money 0New 0.00%
Showing strikes 1–50 of 55
Nov 06, 2026EXPIRATION102 contracts / 51 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $247.50
Jump to ATM
BIIB option chain expiring 2026-11-06, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 198.15% 115.00 0 0 0New 218.63%
0 0In the money 0New 169.55% 120.00 0 0 0New 207.77%
0 0In the money 0New 190.40% 125.00 0 0 0New 197.34%
0 0In the money 0New 180.34% 130.00 0 0 0New 187.31%
0 0In the money 0New 145.68% 135.00 0 0 0New 178.42%
0 0In the money 0New 164.58% 140.00 0 0 0New 169.06%
0 0In the money 0New 155.44% 145.00 0 0 0New 160.01%
0 0In the money 0New 146.61% 150.00 0 0 0New 151.24%
0 0In the money 0New 139.43% 155.00 0 0 0New 143.36%
0 0In the money 0New 108.74% 160.00 0 0 0New 135.06%
0 0In the money 0New 124.18% 165.00 0 0 0New 126.98%
0 0In the money 0New 116.22% 170.00 0 0 0New 119.64%
0 0In the money 0New 108.45% 175.00 0 0 0New 111.91%
0 0In the money 0New 101.92% 180.00 0 0 0New 104.34%
0 0In the money 0New 95.43% 185.00 1 1 0 95.99%
0 0In the money 0New 88.97% 190.00 0 0 0New 89.65%
0 0In the money 0New 82.53% 195.00 0 1 +1New 83.30%
0 0In the money 0New 77.59% 200.00 11 11 0 76.94%
0 0In the money 0New 72.37% 205.00 14 15 +1 70.55%
0 0In the money 0New 61.18% 210.00 0 1 +1New 65.96%
0 0In the money 0New 60.85% 212.50 0 0 0New 61.77%
0 0In the money 0New 61.66% 215.00 4 4 0 60.39%
0 0In the money 0New 56.36% 217.50 0 0 0New 58.00%
37 36In the money -1 60.56% 220.00 9 10 +1 54.76%
0 0In the money 0New 56.97% 222.50 0 0 0New 52.58%
260 259In the money -1 58.69% 225.00 8 8 0 51.04%
0 0In the money 0New 55.82% 227.50 0 10 +10New 49.38%
104 104In the money 0 54.12% 230.00 3 5 +2 48.47%
0 0In the money 0New 54.91% 232.50 0 0 0New 48.57%
145 145In the money 0 54.51% 235.00 9 6 -3 47.80%
0 0In the money 0New 52.80% 237.50 0 2 +2New 46.67%
26 25In the money -1 54.77% 240.00 0 3 +3New 47.26%
1 1In the money 0 52.44% 242.50 0 3 +3New 47.50%
11 11In the money 0 53.85% 245.00 0 1 +1New 46.38%
STOCK PRICE $246.39
0 0 0New 51.39% 247.50NEAREST ATM 0 0In the money 0New 46.52%
5 6 +1 52.56% 250.00 0 0In the money 0New 46.61%
1 1 0 51.44% 252.50 0 0In the money 0New 45.60%
10 12 +2 52.43% 255.00 0 0In the money 0New 46.16%
0 0 0New 51.09% 257.50 0 0In the money 0New 45.03%
3 10 +7 52.57% 260.00 0 0In the money 0New 45.92%
0 1 +1New 51.03% 262.50 0 0In the money 0New 44.74%
4 5 +1 51.05% 265.00 0 0In the money 0New 44.88%
2 2 0 49.98% 270.00 0 0In the money 0New 42.83%
0 0 0New 53.91% 275.00 0 0In the money 0New 40.41%
0 0 0New 54.21% 280.00 0 0In the money 0New 36.67%
1 1 0 58.37% 285.00 0 0In the money 0New 0.00%
0 0 0New 61.35% 290.00 0 0In the money 0New 0.00%
0 0 0New 65.10% 295.00 0 0In the money 0New 0.00%
0 0 0New 68.92% 300.00 0 0In the money 0New 0.00%
0 0 0New 72.54% 305.00 0 0In the money 0New 0.00%
Showing strikes 1–50 of 51
Nov 13, 2026EXPIRATION80 contracts / 40 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $245.00
Jump to ATM
BIIB 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 0.00% 115.00 1 1 0 178.54%
0 0In the money 0New 115.24% 120.00 0 0 0New 169.67%
0 0In the money 0New 114.52% 125.00 0 0 0New 161.16%
0 0In the money 0New 135.74% 130.00 0 0 0New 152.97%
0 0In the money 0New 128.08% 135.00 0 0 0New 145.08%
0 0In the money 0New 97.84% 140.00 0 0 0New 137.46%
0 0In the money 0New 90.90% 145.00 0 0 0New 130.10%
0 0In the money 0New 84.15% 150.00 0 0 0New 122.97%
0 0In the money 0New 0.00% 155.00 0 0 0New 116.04%
0 0In the money 0New 59.26% 160.00 0 0 0New 109.32%
0 0In the money 0New 0.00% 165.00 0 0 0New 102.77%
0 0In the money 0New 81.36% 170.00 0 0 0New 96.38%
0 0In the money 0New 50.94% 175.00 0 0 0New 90.13%
0 0In the money 0New 57.16% 180.00 0 0 0New 84.44%
0 0In the money 0New 68.01% 185.00 0 0 0New 78.82%
0 0In the money 0New 71.48% 190.00 1 1 0 73.63%
0 0In the money 0New 61.63% 195.00 73 73 0 64.17%
0 0In the money 0New 61.06% 200.00 1 1 0 63.82%
0 0In the money 0New 54.61% 205.00 2 2 0 60.44%
0 0In the money 0New 55.26% 210.00 5 5 0 56.16%
0 0In the money 0New 53.03% 215.00 0 0 0New 52.25%
0 0In the money 0New 52.08% 220.00 6 436 +430 49.74%
1 3In the money +2 54.04% 225.00 7 7 0 48.42%
1 1In the money 0 50.52% 230.00 7 7 0 46.32%
28 27In the money -1 51.42% 235.00 11 11 0 46.47%
3 3In the money 0 49.67% 240.00 26 26 0 44.16%
4 11In the money +7 48.56% 245.00NEAREST ATM 0 0 0New 43.89%
STOCK PRICE $246.39
3 3 0 47.11% 250.00 0 0In the money 0New 43.48%
0 0 0New 48.03% 255.00 0 0In the money 0New 43.60%
1 1 0 47.58% 260.00 0 0In the money 0New 42.53%
7 7 0 47.59% 265.00 0 0In the money 0New 43.20%
0 3 +3New 48.22% 270.00 0 0In the money 0New 42.03%
0 1 +1New 46.37% 275.00 0 0In the money 0New 41.48%
0 0 0New 47.39% 280.00 0 0In the money 0New 41.57%
0 0 0New 49.67% 285.00 0 0In the money 0New 40.06%
0 0 0New 52.32% 290.00 0 0In the money 0New 0.00%
1 1 0 54.38% 295.00 0 0In the money 0New 0.00%
0 0 0New 56.55% 300.00 0 0In the money 0New 0.00%
0 0 0New 59.81% 305.00 0 0In the money 0New 0.00%
0 0 0New 62.65% 310.00 0 0In the money 0New 0.00%
Nov 20, 2026EXPIRATION98 contracts / 49 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $247.50
Jump to ATM
BIIB 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 125.08% 115.00 7 7 0 155.12%
0 0In the money 0New 0.00% 120.00 0 0 0New 147.43%
0 0In the money 0New 0.00% 125.00 0 0 0New 140.05%
1 1In the money 0 103.56% 130.00 0 0 0New 132.95%
0 0In the money 0New 108.74% 135.00 0 0 0New 126.11%
0 0In the money 0New 98.29% 140.00 0 0 0New 119.50%
0 0In the money 0New 92.10% 145.00 0 0 0New 113.62%
0 0In the money 0New 88.14% 150.00 0 0 0New 107.41%
0 0In the money 0New 82.35% 155.00 0 0 0New 101.38%
0 0In the money 0New 62.42% 160.00 2 2 0 95.96%
0 0In the money 0New 69.38% 165.00 15 15 0 90.24%
0 0In the money 0New 55.75% 170.00 3 3 0 85.05%
0 0In the money 0New 42.23% 175.00 3 3 0 79.95%
0 0In the money 0New 66.95% 180.00 12 12 0 74.92%
0 0In the money 0New 54.22% 185.00 10 10 0 70.28%
450 59In the money -391 65.21% 190.00 6 6 0 65.66%
0 0In the money 0New 60.43% 195.00 101 276 +175 58.15%
7 5In the money -2 60.99% 200.00 35 532 +497 54.31%
0 0In the money 0New 53.28% 205.00 0 0 0New 50.09%
5 5In the money 0 50.79% 210.00 233 553 +320 48.19%
0 0In the money 0New 51.66% 212.50 0 0 0New 49.24%
0 0In the money 0New 50.79% 215.00 1 1 0 48.59%
0 0In the money 0New 50.92% 217.50 0 0 0New 46.61%
30 30In the money 0 49.33% 220.00 17 14 -3 45.60%
0 0In the money 0New 49.46% 222.50 0 0 0New 45.78%
0 0In the money 0New 49.75% 225.00 0 3 +3New 45.47%
0 0In the money 0New 49.94% 227.50 0 0 0New 43.31%
130 504In the money +374 48.72% 230.00 25 25 0 44.46%
0 0In the money 0New 49.40% 232.50 0 0 0New 43.88%
2 2In the money 0 48.32% 235.00 10 10 0 44.24%
0 0In the money 0New 48.79% 237.50 0 0 0New 42.50%
347 348In the money +1 47.61% 240.00 3 3 0 43.77%
1 1In the money 0 48.26% 242.50 0 0 0New 43.00%
43 44In the money +1 47.49% 245.00 0 0 0New 42.66%
STOCK PRICE $246.39
1 1 0 47.02% 247.50NEAREST ATM 0 0In the money 0New 42.21%
124 136 +12 44.62% 250.00 0 0In the money 0New 42.53%
0 1 +1New 44.13% 252.50 0 0In the money 0New 42.37%
6 9 +3 46.68% 255.00 0 0In the money 0New 43.00%
0 0 0New 43.94% 257.50 0 0In the money 0New 42.99%
236 249 +13 45.63% 260.00 0 0In the money 0New 40.88%
2 5 +3 47.04% 265.00 0 0In the money 0New 40.56%
15 35 +20 45.39% 270.00 1 1In the money 0 41.76%
0 4 +4New 45.51% 275.00 0 0In the money 0New 41.40%
20 20 0 45.16% 280.00 6 6In the money 0 40.48%
0 2 +2New 45.09% 285.00 0 0In the money 0New 38.65%
4 6 +2 46.54% 290.00 0 0In the money 0New 40.88%
4 6 +2 49.22% 300.00 0 0In the money 0New 0.00%
0 0 0New 56.23% 310.00 0 0In the money 0New 0.00%
1 1 0 61.26% 320.00 0 0In the money 0New 45.25%
Nov 27, 2026EXPIRATION80 contracts / 40 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $245.00
Jump to ATM
BIIB 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% 115.00 0 0 0New 139.28%
0 0In the money 0New 111.77% 120.00 0 0 0New 132.38%
0 0In the money 0New 107.15% 125.00 0 0 0New 125.76%
0 0In the money 0New 0.00% 130.00 0 0 0New 119.39%
0 0In the money 0New 0.00% 135.00 0 0 0New 113.26%
0 0In the money 0New 90.49% 140.00 0 0 0New 107.33%
0 0In the money 0New 86.42% 145.00 1 1 0 101.61%
0 0In the money 0New 0.00% 150.00 0 0 0New 96.06%
0 0In the money 0New 0.00% 155.00 0 0 0New 90.67%
0 0In the money 0New 0.00% 160.00 0 0 0New 85.43%
0 0In the money 0New 68.08% 165.00 0 0 0New 80.71%
0 0In the money 0New 0.00% 170.00 0 0 0New 76.08%
0 0In the money 0New 61.75% 175.00 0 0 0New 71.53%
0 0In the money 0New 45.46% 180.00 0 0 0New 67.36%
0 0In the money 0New 59.50% 185.00 0 0 0New 63.48%
0 0In the money 0New 57.73% 190.00 0 0 0New 60.10%
0 0In the money 0New 54.49% 195.00 1 180 +179 57.74%
0 0In the money 0New 49.71% 200.00 1 1 0 53.60%
0 0In the money 0New 53.23% 205.00 1 1 0 50.01%
0 0In the money 0New 51.89% 210.00 1 1 0 47.29%
0 0In the money 0New 49.90% 215.00 1 1 0 46.41%
0 0In the money 0New 49.52% 220.00 1 1 0 46.08%
0 0In the money 0New 49.10% 225.00 0 0 0New 45.66%
2 2In the money 0 47.99% 230.00 0 0 0New 45.08%
5 5In the money 0 46.82% 235.00 0 0 0New 43.77%
1 1In the money 0 45.34% 240.00 0 0 0New 42.98%
0 0In the money 0New 45.52% 245.00NEAREST ATM 0 0 0New 42.55%
STOCK PRICE $246.39
1 2 +1 46.06% 250.00 0 0In the money 0New 41.95%
2 2 0 46.02% 255.00 0 0In the money 0New 43.31%
1 1 0 44.76% 260.00 0 0In the money 0New 43.07%
1 1 0 44.98% 265.00 0 0In the money 0New 42.19%
0 1 +1New 45.69% 270.00 0 0In the money 0New 42.97%
0 0 0New 44.02% 275.00 0 0In the money 0New 42.93%
0 0 0New 43.08% 280.00 0 0In the money 0New 43.39%
0 0 0New 43.92% 285.00 0 1In the money +1New 39.12%
0 0 0New 43.27% 290.00 0 0In the money 0New 38.60%
0 0 0New 44.51% 295.00 0 0In the money 0New 35.13%
0 0 0New 46.08% 300.00 0 0In the money 0New 43.88%
0 0 0New 47.96% 305.00 0 0In the money 0New 0.00%
0 0 0New 49.86% 310.00 0 0In the money 0New 0.00%
Dec 04, 2026EXPIRATION76 contracts / 38 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $245.00
Jump to ATM
BIIB 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 96.62% 125.00 0 0 0New 114.79%
0 0In the money 0New 0.00% 130.00 0 0 0New 108.98%
0 0In the money 0New 86.66% 135.00 0 0 0New 103.39%
0 0In the money 0New 0.00% 140.00 0 0 0New 97.99%
0 0In the money 0New 81.63% 145.00 0 0 0New 92.76%
0 0In the money 0New 73.72% 150.00 0 0 0New 87.70%
0 0In the money 0New 0.00% 155.00 0 0 0New 82.79%
0 0In the money 0New 68.79% 160.00 0 0 0New 78.02%
0 0In the money 0New 62.94% 165.00 0 0 0New 73.72%
0 0In the money 0New 0.00% 170.00 0 0 0New 69.49%
0 0In the money 0New 57.74% 175.00 0 0 0New 65.64%
0 0In the money 0New 49.55% 180.00 0 0 0New 62.10%
0 0In the money 0New 48.18% 185.00 0 0 0New 58.77%
0 0In the money 0New 53.38% 190.00 0 0 0New 55.85%
0 0In the money 0New 52.08% 195.00 0 0 0New 53.19%
0 0In the money 0New 50.62% 200.00 0 0 0New 50.68%
0 0In the money 0New 50.84% 205.00 0 0 0New 48.70%
0 0In the money 0New 50.12% 210.00 0 0 0New 47.59%
0 0In the money 0New 49.41% 215.00 0 0 0New 47.29%
0 0In the money 0New 48.64% 220.00 0 0 0New 46.82%
0 0In the money 0New 47.92% 225.00 0 0 0New 46.62%
0 0In the money 0New 47.55% 230.00 0 0 0New 46.05%
0 0In the money 0New 46.75% 235.00 0 0 0New 45.21%
0 0In the money 0New 45.24% 240.00 0 0 0New 43.77%
0 0In the money 0New 45.15% 245.00NEAREST ATM 0 0 0New 43.73%
STOCK PRICE $246.39
0 0 0New 44.88% 250.00 0 0In the money 0New 43.01%
0 0 0New 45.04% 255.00 0 0In the money 0New 42.82%
0 0 0New 45.07% 260.00 0 0In the money 0New 43.04%
0 1 +1New 46.43% 265.00 0 0In the money 0New 42.98%
0 0 0New 44.72% 270.00 0 0In the money 0New 42.62%
0 0 0New 44.40% 275.00 0 0In the money 0New 43.30%
0 0 0New 43.92% 280.00 0 0In the money 0New 40.74%
0 0 0New 43.20% 285.00 0 0In the money 0New 40.79%
0 0 0New 42.58% 290.00 0 0In the money 0New 39.59%
0 0 0New 42.37% 295.00 0 0In the money 0New 38.17%
0 0 0New 43.81% 300.00 0 0In the money 0New 31.57%
0 0 0New 45.50% 305.00 0 0In the money 0New 41.66%
0 0 0New 46.10% 310.00 0 0In the money 0New 41.89%
Dec 18, 2026EXPIRATION112 contracts / 56 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $245.00
Jump to ATM
BIIB option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 93.58% 60.00 1 1 0 195.05%
1 1In the money 0 0.00% 65.00 0 0 0New 184.45%
2 2In the money 0 0.00% 70.00 5 5 0 174.70%
3 3In the money 0 109.75% 75.00 501 501 0 165.67%
0 0In the money 0New 0.00% 80.00 172 172 0 157.27%
2 2In the money 0 0.00% 85.00 19 19 0 149.42%
0 0In the money 0New 0.00% 90.00 51 51 0 142.03%
0 0In the money 0New 0.00% 95.00 28 28 0 135.06%
18 18In the money 0 0.00% 100.00 5 5 0 128.47%
2 2In the money 0 0.00% 105.00 17 17 0 122.20%
5 5In the money 0 0.00% 110.00 62 62 0 116.24%
1 1In the money 0 0.00% 115.00 45 45 0 106.54%
68 68In the money 0 0.00% 120.00 308 308 0 105.09%
9 9In the money 0 0.00% 125.00 449 449 0 92.54%
17 17In the money 0 0.00% 130.00 87 87 0 89.37%
7 7In the money 0 0.00% 135.00 42 42 0 83.27%
14 14In the money 0 0.00% 140.00 37 37 0 78.88%
28 28In the money 0 0.00% 145.00 58 58 0 75.99%
12 12In the money 0 0.00% 150.00 262 262 0 76.04%
21 21In the money 0 0.00% 155.00 14 14 0 65.22%
287 287In the money 0 0.00% 160.00 236 236 0 60.52%
21 21In the money 0 46.64% 165.00 110 110 0 60.00%
71 71In the money 0 49.50% 170.00 221 221 0 62.77%
36 36In the money 0 54.68% 175.00 117 117 0 52.29%
58 58In the money 0 46.77% 180.00 661 661 0 57.38%
386 386In the money 0 49.24% 185.00 70 70 0 51.34%
70 70In the money 0 48.33% 190.00 89 89 0 53.20%
147 147In the money 0 48.62% 195.00 85 85 0 48.40%
726 726In the money 0 52.09% 200.00 214 215 +1 48.06%
138 136In the money -2 50.29% 205.00 44 43 -1 47.57%
309 309In the money 0 47.96% 210.00 336 337 +1 45.16%
149 149In the money 0 47.86% 215.00 21 21 0 47.12%
91 86In the money -5 46.78% 220.00 46 50 +4 44.26%
44 44In the money 0 46.44% 225.00 172 174 +2 44.71%
299 299In the money 0 46.29% 230.00 1,331 1,331 0 43.54%
219 219In the money 0 45.95% 235.00 353 505 +152 43.38%
1,155 1,150In the money -5 45.58% 240.00 13 13 0 43.25%
1,083 1,083In the money 0 46.06% 245.00NEAREST ATM 1 1 0 42.62%
STOCK PRICE $246.39
316 317 +1 45.83% 250.00 0 10In the money +10New 44.21%
190 189 -1 44.90% 255.00 0 0In the money 0New 43.00%
98 100 +2 44.84% 260.00 2 2In the money 0 43.26%
67 66 -1 44.51% 265.00 0 0In the money 0New 43.07%
28 29 +1 44.31% 270.00 11 11In the money 0 42.84%
70 70 0 43.42% 275.00 0 0In the money 0New 42.62%
19 39 +20 43.92% 280.00 0 0In the money 0New 42.03%
26 26 0 43.16% 285.00 0 0In the money 0New 40.16%
52 52 0 43.93% 290.00 0 0In the money 0New 40.60%
19 20 +1 43.58% 295.00 0 0In the money 0New 37.97%
68 70 +2 42.45% 300.00 0 3In the money +3New 38.42%
25 25 0 42.80% 305.00 0 0In the money 0New 41.12%
Showing strikes 1–50 of 56
Jan 15, 2027EXPIRATION88 contracts / 44 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $250.00
Jump to ATM
BIIB option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
3 3In the money 0 117.70% 60.00 18 18 0 160.44%
1 1In the money 0 0.00% 65.00 1 1 0 145.88%
11 11In the money 0 0.00% 70.00 12 12 0 143.73%
18 18In the money 0 0.00% 75.00 26 26 0 136.33%
53 53In the money 0 0.00% 80.00 17 17 0 113.86%
49 49In the money 0 95.52% 85.00 43 43 0 123.48%
41 41In the money 0 0.00% 90.00 23 23 0 117.87%
7 7In the money 0 0.00% 95.00 68 68 0 112.11%
25 25In the money 0 0.00% 100.00 1,070 1,070 0 106.66%
15 15In the money 0 79.41% 105.00 823 823 0 101.89%
57 57In the money 0 77.28% 110.00 1,099 1,099 0 91.94%
21 21In the money 0 56.52% 115.00 527 527 0 83.66%
51 51In the money 0 69.43% 120.00 346 346 0 83.94%
13 13In the money 0 0.00% 125.00 64 64 0 80.52%
129 129In the money 0 52.48% 130.00 135 135 0 79.84%
34 34In the money 0 52.74% 135.00 74 74 0 69.63%
56 56In the money 0 60.50% 140.00 47 47 0 67.44%
28 28In the money 0 54.99% 145.00 62 62 0 62.82%
372 372In the money 0 50.66% 150.00 329 329 0 65.75%
34 34In the money 0 57.94% 155.00 190 190 0 62.62%
36 36In the money 0 47.72% 160.00 227 227 0 59.55%
14 14In the money 0 53.84% 165.00 105 105 0 57.74%
68 68In the money 0 50.55% 170.00 63 63 0 49.69%
144 144In the money 0 46.91% 175.00 109 109 0 51.83%
534 534In the money 0 52.06% 180.00 361 361 0 49.96%
84 84In the money 0 45.96% 185.00 27 27 0 48.08%
51 51In the money 0 47.31% 190.00 54 56 +2 45.67%
55 55In the money 0 44.60% 195.00 577 584 +7 45.53%
245 245In the money 0 45.58% 200.00 624 625 +1 43.34%
815 815In the money 0 44.99% 210.00 84 84 0 42.17%
222 222In the money 0 44.38% 220.00 57 57 0 41.25%
1,068 1,064In the money -4 43.58% 230.00 23 33 +10 40.71%
970 970In the money 0 43.30% 240.00 22 22 0 41.05%
STOCK PRICE $246.39
958 960 +2 43.19% 250.00NEAREST ATM 97 97In the money 0 41.25%
363 366 +3 42.76% 260.00 9 25In the money +16 40.76%
44 49 +5 42.31% 270.00 6 6In the money 0 40.65%
623 632 +9 42.07% 280.00 1 1In the money 0 39.52%
66 67 +1 42.29% 290.00 0 0In the money 0New 39.88%
787 800 +13 41.91% 300.00 0 3In the money +3New 39.55%
5 5 0 40.92% 310.00 0 0In the money 0New 38.98%
8 10 +2 41.32% 320.00 0 0In the money 0New 38.26%
3 3 0 43.73% 330.00 0 0In the money 0New 38.98%
0 0 0New 43.10% 340.00 0 0In the money 0New 0.00%
0 0 0New 44.88% 350.00 0 0In the money 0New 0.00%
Mar 19, 2027EXPIRATION78 contracts / 39 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $250.00
Jump to ATM
BIIB option chain expiring 2027-03-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 45.26% 90.00 20 20 0 88.76%
3 3In the money 0 0.00% 95.00 7 7 0 84.45%
1 1In the money 0 0.00% 100.00 6 6 0 80.70%
14 14In the money 0 0.00% 105.00 0 0 0New 76.82%
0 0In the money 0New 0.00% 110.00 5 5 0 73.41%
0 0In the money 0New 0.00% 115.00 3 3 0 70.15%
1 1In the money 0 0.00% 120.00 4 4 0 67.01%
5 5In the money 0 0.00% 125.00 10 10 0 63.99%
0 0In the money 0New 49.67% 130.00 16 16 0 61.31%
1 1In the money 0 49.02% 135.00 33 33 0 58.69%
1 1In the money 0 36.25% 140.00 118 118 0 56.75%
0 0In the money 0New 46.83% 145.00 36 36 0 54.21%
11 11In the money 0 44.38% 150.00 57 57 0 52.26%
4 4In the money 0 44.90% 155.00 11 11 0 50.45%
3 3In the money 0 45.82% 160.00 12 12 0 49.32%
6 6In the money 0 45.71% 165.00 27 27 0 48.02%
36 36In the money 0 44.94% 170.00 99 99 0 47.06%
10 10In the money 0 45.05% 175.00 22 22 0 46.62%
5 5In the money 0 44.74% 180.00 80 80 0 45.24%
4 4In the money 0 44.80% 185.00 19 19 0 45.26%
12 12In the money 0 44.17% 190.00 16 16 0 44.47%
18 14In the money -4 45.38% 195.00 66 66 0 44.35%
42 42In the money 0 43.53% 200.00 117 121 +4 42.90%
63 63In the money 0 43.72% 210.00 24 27 +3 43.16%
671 660In the money -11 43.80% 220.00 227 227 0 42.66%
60 60In the money 0 43.15% 230.00 62 62 0 41.94%
49 49In the money 0 42.58% 240.00 4 4 0 42.32%
STOCK PRICE $246.39
138 140 +2 41.33% 250.00NEAREST ATM 10 10In the money 0 40.59%
79 77 -2 41.27% 260.00 0 101In the money +101New 40.65%
9 15 +6 41.77% 270.00 9 9In the money 0 40.55%
34 37 +3 40.96% 280.00 1 1In the money 0 40.34%
262 262 0 41.44% 290.00 0 0In the money 0New 39.88%
39 39 0 41.04% 300.00 0 0In the money 0New 40.23%
26 26 0 40.94% 310.00 0 0In the money 0New 39.70%
66 66 0 40.80% 320.00 0 0In the money 0New 39.46%
12 12 0 41.54% 330.00 0 0In the money 0New 38.98%
25 28 +3 41.16% 340.00 0 0In the money 0New 39.46%
0 0 0New 41.68% 350.00 0 0In the money 0New 0.00%
0 0 0New 40.57% 360.00 0 0In the money 0New 0.00%
Apr 16, 2027EXPIRATION68 contracts / 34 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $250.00
Jump to ATM
BIIB option chain expiring 2027-04-16, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 57.96% 115.00 0 0 0New 64.77%
0 0In the money 0New 53.40% 120.00 3 3 0 59.83%
0 0In the money 0New 37.30% 125.00 4 4 0 59.33%
5 5In the money 0 49.97% 130.00 1 1 0 56.84%
0 0In the money 0New 52.55% 135.00 1 1 0 51.83%
0 0In the money 0New 45.30% 140.00 1 1 0 53.33%
0 0In the money 0New 47.11% 145.00 1 1 0 50.60%
0 0In the money 0New 49.40% 150.00 0 0 0New 50.14%
0 0In the money 0New 48.15% 155.00 3 3 0 47.05%
0 0In the money 0New 46.02% 160.00 4 4 0 45.96%
0 0In the money 0New 43.41% 165.00 0 0 0New 44.95%
0 0In the money 0New 44.83% 170.00 105 105 0 44.31%
0 0In the money 0New 44.63% 175.00 2 2 0 43.91%
0 0In the money 0New 43.97% 180.00 22 22 0 43.81%
0 0In the money 0New 43.70% 185.00 21 21 0 43.47%
0 0In the money 0New 43.69% 190.00 2 7 +5 42.54%
0 0In the money 0New 43.38% 195.00 10 15 +5 42.80%
5 5In the money 0 43.05% 200.00 0 0 0New 43.06%
12 12In the money 0 42.82% 210.00 0 0 0New 42.36%
79 80In the money +1 43.41% 220.00 0 0 0New 41.50%
1 1In the money 0 42.66% 230.00 4 4 0 41.27%
4 4In the money 0 41.91% 240.00 0 0 0New 40.98%
STOCK PRICE $246.39
1 1 0 41.00% 250.00NEAREST ATM 0 0In the money 0New 40.88%
2 5 +3 41.52% 260.00 0 11In the money +11New 39.70%
3 10 +7 41.01% 270.00 0 0In the money 0New 39.69%
2 2 0 40.60% 280.00 0 0In the money 0New 39.32%
2 2 0 40.49% 290.00 0 0In the money 0New 39.17%
2 2 0 39.90% 300.00 0 0In the money 0New 38.82%
2 2 0 39.76% 310.00 0 0In the money 0New 38.99%
13 13 0 39.29% 320.00 0 0In the money 0New 39.18%
4 4 0 39.53% 330.00 0 0In the money 0New 38.17%
2 2 0 39.40% 340.00 0 0In the money 0New 38.92%
0 0 0New 39.23% 350.00 0 0In the money 0New 0.00%
0 0 0New 38.75% 360.00 0 0In the money 0New 0.00%
Jun 17, 2027EXPIRATION80 contracts / 40 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $250.00
Jump to ATM
BIIB option chain expiring 2027-06-17, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 54.22% 85.00 0 0 0New 74.28%
0 0In the money 0New 0.00% 90.00 2 2 0 70.97%
1 1In the money 0 58.63% 95.00 5 5 0 67.84%
0 0In the money 0New 51.39% 100.00 5 5 0 65.11%
0 0In the money 0New 0.00% 105.00 1 1 0 62.25%
0 0In the money 0New 41.37% 110.00 3 3 0 59.75%
0 0In the money 0New 53.09% 115.00 5 5 0 57.33%
0 0In the money 0New 48.23% 120.00 4 4 0 51.98%
0 0In the money 0New 50.32% 125.00 3 3 0 53.28%
0 0In the money 0New 44.08% 130.00 4 4 0 51.56%
9 9In the money 0 49.65% 135.00 4 4 0 50.27%
0 0In the money 0New 48.35% 140.00 2 2 0 48.78%
0 0In the money 0New 46.98% 145.00 88 88 0 47.87%
3 3In the money 0 43.56% 150.00 24 24 0 46.82%
2 2In the money 0 44.52% 155.00 8 8 0 46.26%
3 3In the money 0 43.77% 160.00 21 21 0 45.86%
1 1In the money 0 43.73% 165.00 1 1 0 45.21%
5 5In the money 0 43.87% 170.00 86 86 0 44.50%
5 5In the money 0 44.25% 175.00 58 58 0 44.50%
6 6In the money 0 44.42% 180.00 32 31 -1 44.00%
2 2In the money 0 42.84% 185.00 0 0 0New 43.78%
4 4In the money 0 42.63% 190.00 19 19 0 43.24%
8 8In the money 0 42.21% 195.00 63 63 0 42.93%
20 20In the money 0 42.28% 200.00 2 2 0 42.52%
5 5In the money 0 42.36% 210.00 7 12 +5 41.79%
236 236In the money 0 42.50% 220.00 259 259 0 40.77%
16 25In the money +9 41.79% 230.00 4 5 +1 40.49%
70 69In the money -1 41.63% 240.00 0 0 0New 40.39%
STOCK PRICE $246.39
10 10 0 40.74% 250.00NEAREST ATM 89 89In the money 0 40.01%
241 241 0 40.45% 260.00 0 0In the money 0New 39.61%
14 16 +2 40.04% 270.00 0 0In the money 0New 39.11%
41 374 +333 40.18% 280.00 0 0In the money 0New 39.16%
90 90 0 39.32% 290.00 0 0In the money 0New 39.00%
39 39 0 38.99% 300.00 0 0In the money 0New 38.45%
1 1 0 38.74% 310.00 0 0In the money 0New 38.00%
0 0 0New 38.76% 320.00 0 0In the money 0New 38.14%
0 0 0New 38.62% 330.00 0 0In the money 0New 38.50%
0 1 +1New 38.48% 340.00 0 0In the money 0New 38.36%
0 0 0New 38.40% 350.00 0 0In the money 0New 36.86%
0 0 0New 38.26% 360.00 0 0In the money 0New 35.32%
Sep 17, 2027EXPIRATION70 contracts / 35 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $250.00
Jump to ATM
BIIB option chain expiring 2027-09-17, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 43.52% 110.00 0 0 0New 52.09%
0 0In the money 0New 52.10% 115.00 0 0 0New 50.17%
0 0In the money 0New 51.04% 120.00 0 0 0New 48.61%
0 0In the money 0New 50.14% 125.00 0 0 0New 46.61%
0 0In the money 0New 49.13% 130.00 0 0 0New 45.23%
0 0In the money 0New 48.04% 135.00 1 1 0 44.44%
5 5In the money 0 44.67% 140.00 0 0 0New 44.79%
0 0In the money 0New 44.39% 145.00 3 4 +1 42.32%
0 0In the money 0New 44.40% 150.00 1 1 0 43.19%
0 0In the money 0New 43.57% 155.00 0 0 0New 42.15%
0 0In the money 0New 43.46% 160.00 0 0 0New 42.18%
0 0In the money 0New 43.15% 165.00 0 0 0New 41.84%
0 0In the money 0New 42.67% 170.00 0 0 0New 41.57%
0 0In the money 0New 42.38% 175.00 0 0 0New 41.44%
1 1In the money 0 41.83% 180.00 0 0 0New 41.42%
0 0In the money 0New 41.80% 185.00 5 5 0 40.93%
0 0In the money 0New 41.43% 190.00 7 7 0 41.08%
3 3In the money 0 41.98% 195.00 5 5 0 40.71%
8 8In the money 0 40.93% 200.00 8 8 0 40.52%
5 5In the money 0 40.54% 210.00 4 4 0 40.10%
27 27In the money 0 40.28% 220.00 3 3 0 39.79%
101 102In the money +1 40.43% 230.00 0 0 0New 39.78%
6 6In the money 0 39.61% 240.00 0 0 0New 39.23%
STOCK PRICE $246.39
0 0 0New 39.50% 250.00NEAREST ATM 12 12In the money 0 38.94%
1 1 0 39.06% 260.00 0 0In the money 0New 38.54%
30 30 0 38.82% 270.00 0 0In the money 0New 38.21%
0 0 0New 38.51% 280.00 0 0In the money 0New 38.08%
34 34 0 38.36% 290.00 0 0In the money 0New 37.72%
8 12 +4 38.63% 300.00 0 0In the money 0New 37.65%
47 47 0 37.80% 310.00 0 0In the money 0New 37.75%
29 29 0 37.59% 320.00 0 0In the money 0New 37.41%
2 2 0 37.67% 330.00 0 0In the money 0New 37.37%
3 202 +199 37.61% 340.00 0 0In the money 0New 37.25%
0 0 0New 37.00% 350.00 0 0In the money 0New 36.25%
0 0 0New 36.69% 360.00 0 0In the money 0New 35.38%
Jan 21, 2028EXPIRATION86 contracts / 43 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $250.00
Jump to ATM
BIIB option chain expiring 2028-01-21, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
2 2In the money 0 41.63% 70.00 3 3 0 63.14%
0 0In the money 0New 57.13% 75.00 15 15 0 64.56%
0 0In the money 0New 56.56% 80.00 2 2 0 61.81%
0 0In the money 0New 55.72% 85.00 25 25 0 59.22%
1 1In the money 0 43.86% 90.00 4 4 0 56.43%
0 0In the money 0New 44.71% 95.00 73 73 0 54.13%
15 15In the money 0 44.81% 100.00 2 2 0 51.93%
0 0In the money 0New 44.50% 105.00 5 5 0 50.82%
5 5In the money 0 47.69% 110.00 31 29 -2 47.83%
0 0In the money 0New 44.70% 115.00 2 2 0 46.41%
5 5In the money 0 47.17% 120.00 16 16 0 45.34%
2 2In the money 0 46.80% 125.00 1 1 0 43.16%
5 5In the money 0 46.26% 130.00 2 2 0 42.17%
3 3In the money 0 44.00% 135.00 1 1 0 42.22%
30 30In the money 0 42.62% 140.00 10 10 0 41.88%
5 5In the money 0 42.66% 145.00 6 6 0 41.67%
2,096 2,096In the money 0 42.49% 150.00 28 28 0 41.41%
17 17In the money 0 42.15% 155.00 4 4 0 41.08%
3 3In the money 0 41.69% 160.00 4 4 0 41.28%
12 12In the money 0 41.12% 165.00 109 109 0 40.87%
26 26In the money 0 41.39% 170.00 3 3 0 40.98%
23 23In the money 0 40.61% 175.00 34 34 0 40.74%
8 6In the money -2 41.37% 180.00 92 92 0 40.38%
17 17In the money 0 40.40% 185.00 25 25 0 39.84%
19 19In the money 0 40.11% 190.00 464 464 0 39.91%
384 384In the money 0 39.92% 195.00 55 55 0 39.84%
58 58In the money 0 40.53% 200.00 210 210 0 39.70%
8 8In the money 0 39.71% 210.00 0 0 0New 39.38%
28 28In the money 0 39.36% 220.00 271 271 0 38.81%
22 22In the money 0 39.07% 230.00 1 1 0 38.80%
11 11In the money 0 38.84% 240.00 0 2 +2New 38.47%
STOCK PRICE $246.39
287 287 0 38.47% 250.00NEAREST ATM 0 0In the money 0New 38.26%
15 15 0 37.99% 260.00 0 0In the money 0New 37.91%
15 15 0 37.59% 270.00 1 1In the money 0 37.45%
30 30 0 37.41% 280.00 0 0In the money 0New 37.36%
55 55 0 37.14% 290.00 0 0In the money 0New 37.19%
0 32 +32New 37.21% 300.00 0 0In the money 0New 37.08%
3 3 0 36.44% 310.00 0 0In the money 0New 36.82%
7 7 0 36.39% 320.00 0 0In the money 0New 36.90%
4 4 0 36.36% 330.00 0 0In the money 0New 37.33%
0 0 0New 36.38% 340.00 0 0In the money 0New 36.88%
0 0 0New 36.19% 350.00 0 0In the money 0New 36.43%
0 0 0New 35.91% 360.00 0 0In the money 0New 35.70%
Jan 19, 2029EXPIRATION70 contracts / 35 strikes
SAVED STOCK PRICE$246.39Nearest ATM strike $250.00
Jump to ATM
BIIB option chain expiring 2029-01-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
2 2In the money 0 44.50% 110.00 0 0 0New 43.28%
0 0In the money 0New 43.90% 115.00 1 2 +1 42.83%
0 0In the money 0New 43.24% 120.00 0 0 0New 42.28%
0 0In the money 0New 42.52% 125.00 0 0 0New 41.64%
0 0In the money 0New 42.29% 130.00 1 1 0 41.98%
0 0In the money 0New 41.96% 135.00 0 0 0New 41.20%
0 0In the money 0New 43.32% 140.00 3 3 0 40.99%
0 0In the money 0New 41.14% 145.00 0 0 0New 41.15%
0 0In the money 0New 40.90% 150.00 0 0 0New 40.57%
2 2In the money 0 41.77% 155.00 1 1 0 39.73%
0 0In the money 0New 40.35% 160.00 0 0 0New 39.48%
0 0In the money 0New 41.28% 165.00 0 0 0New 39.60%
0 0In the money 0New 40.15% 170.00 0 0 0New 39.60%
0 0In the money 0New 39.63% 175.00 0 0 0New 38.93%
0 0In the money 0New 39.65% 180.00 0 0 0New 39.16%
0 0In the money 0New 39.85% 185.00 0 0 0New 38.76%
0 0In the money 0New 39.69% 190.00 0 0 0New 38.60%
0 0In the money 0New 38.97% 195.00 0 0 0New 38.37%
18 18In the money 0 38.96% 200.00 0 0 0New 38.45%
1 1In the money 0 38.51% 210.00 0 0 0New 37.98%
1 1In the money 0 38.08% 220.00 0 0 0New 37.69%
2 2In the money 0 38.29% 230.00 0 0 0New 37.52%
4 4In the money 0 37.87% 240.00 0 0 0New 37.41%
STOCK PRICE $246.39
1 4 +3 37.59% 250.00NEAREST ATM 1 1In the money 0 37.10%
0 0 0New 37.29% 260.00 0 0In the money 0New 36.98%
2 2 0 36.87% 270.00 0 0In the money 0New 36.71%
1 1 0 36.55% 280.00 0 0In the money 0New 36.58%
0 0 0New 36.32% 290.00 0 0In the money 0New 36.31%
0 0 0New 36.03% 300.00 0 0In the money 0New 36.12%
2 2 0 35.84% 310.00 0 0In the money 0New 35.97%
1 1 0 35.66% 320.00 0 0In the money 0New 35.95%
5 5 0 35.63% 330.00 0 0In the money 0New 35.80%
17 17 0 35.28% 340.00 0 0In the money 0New 36.01%
0 0 0New 35.44% 350.00 0 0In the money 0New 35.58%
0 0 0New 35.31% 360.00 0 0In the money 0New 35.70%

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