OITracker Cboe delayed data
OI update signal: Not confirmed MSFT / AAPL · Checked Oct 23, 09:56 EDT
The latest collection was incomplete. Some data may be out of date.
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,GFI,GH,GLBS,GLOO,GPI,GPRE,GRBK,GRDN,GSBC,GSIT,GTN,HAFN,HAPN,HASI,HAWK,HBM,HBNC,HBT,HCSG,HDB,HDSN,HE,HEI,HELP,HESM,HHH,HITI,HLF,HMY,HNGE,HNRG,HNST,HONA,HOS,HPK,HPP,HRI,HROW,HRZN,HSBC,HTFL,HTGC,HTT,HUBG,HUCK,HUMA,HUN,HY,IA,IART,ICHR,ICL,ICLR,IDYA,IESC,IGIC,IIPR,IMMX,IMNM,IMPP,IMTX,IMUX,IMVT,IMXI,INBK,INBX,ING,INGN,INIO,INMB,INMD,INOD,INR,INSE,INSM,INSP,INV,INVE,INVX,IOND,IONS,IPWR,IRLA,IRMD,IRTC,IRWD,IVR,IVVD,LFWD,MT,NTLA,PI,RAIL,RCEL,RCUS,SBC,SEV,SPRY,SRCE,THFF,TKNO,TRAX,TXG

MRK

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $144.89 · 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
1,314 contracts / 16 expirationsClick OI for history
Oct 23, 2026EXPIRATION108 contracts / 54 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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% 80.00 19 59 +40 0.00%
0 0In the money 0New 0.00% 85.00 52 154 +102 0.00%
0 0In the money 0New 0.00% 90.00 24 30 +6 0.00%
0 0In the money 0New 0.00% 95.00 30 30 0 0.00%
0 0In the money 0New 0.00% 100.00 76 71 -5 581.20%
0 0In the money 0New 0.00% 105.00 14 14 0 0.00%
1 1In the money 0 0.00% 110.00 3 3 0 0.00%
0 0In the money 0New 0.00% 115.00 23 41 +18 795.47%
1 1In the money 0 0.00% 120.00 75 87 +12 336.56%
0 0In the money 0New 0.00% 125.00 237 236 -1 299.94%
0 1In the money +1New 0.00% 129.00 8 19 +11 187.85%
9 23In the money +14 274.59% 130.00 1,684 1,526 -158 373.58%
0 19In the money +19New 0.00% 131.00 14 11 -3 435.66%
0 5In the money +5New 0.00% 132.00 26 26 0 413.07%
0 11In the money +11New 0.00% 133.00 46 46 0 390.36%
0 15In the money +15New 0.00% 134.00 54 54 0 367.50%
4 10In the money +6 0.00% 135.00 226 270 +44 129.45%
4 9In the money +5 0.00% 136.00 117 112 -5 321.16%
22 28In the money +6 0.00% 137.00 85 123 +38 259.25%
26 25In the money -1 0.00% 138.00 62 59 -3 127.63%
41 38In the money -3 0.00% 139.00 90 89 -1 186.02%
85 75In the money -10 0.00% 140.00 2,587 2,687 +100 75.78%
106 103In the money -3 0.00% 141.00 665 659 -6 113.46%
93 85In the money -8 0.00% 142.00 160 267 +107 71.83%
41 113In the money +72 51.44% 143.00 198 411 +213 56.33%
93 122In the money +29 57.38% 144.00 775 791 +16 50.90%
STOCK PRICE $144.89
210 209 -1 51.53% 145.00NEAREST ATM 225 392In the money +167 70.46%
2,225 1,967 -258 51.36% 146.00 115 156In the money +41 59.35%
775 553 -222 53.49% 147.00 171 202In the money +31 60.21%
572 364 -208 59.45% 148.00 300 312In the money +12 99.48%
273 379 +106 70.50% 149.00 24 47In the money +23 0.00%
2,464 3,432 +968 79.35% 150.00 35 331In the money +296 94.44%
1,510 6,401 +4,891 102.43% 152.50 3 309In the money +306 137.22%
1,011 2,035 +1,024 114.56% 155.00 6 8In the money +2 149.40%
238 420 +182 138.50% 157.50 0 0In the money 0New 257.82%
873 960 +87 161.66% 160.00 1 0In the money -1 288.10%
29 582 +553 318.25% 162.50 0 0In the money 0New 315.74%
74 74 0 500.79% 165.00 0 0In the money 0New 361.92%
80 80 0 539.80% 167.50 0 0In the money 0New 387.12%
67 66 -1 577.48% 170.00 0 0In the money 0New 425.41%
51 51 0 613.94% 172.50 0 0In the money 0New 448.00%
12 12 0 649.28% 175.00 0 0In the money 0New 485.26%
11 11 0 683.61% 177.50 0 0In the money 0New 514.01%
17 17 0 717.00% 180.00 0 0In the money 0New 542.04%
12 12 0 749.53% 182.50 0 0In the money 0New 569.41%
34 34 0 781.24% 185.00 0 0In the money 0New 596.15%
20 20 0 842.43% 190.00 0 0In the money 0New 647.87%
0 0 0New 0.00% 195.00 0 0In the money 0New 676.18%
0 0 0New 0.00% 200.00 0 0In the money 0New 734.36%
0 0 0New 0.00% 205.00 0 0In the money 0New 779.84%
Showing strikes 1–50 of 54
Oct 30, 2026EXPIRATION112 contracts / 56 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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 0.00% 80.00 4 4 0 273.83%
0 0In the money 0New 0.00% 85.00 11 12 +1 123.36%
0 0In the money 0New 0.00% 90.00 1 1 0 227.39%
0 0In the money 0New 0.00% 95.00 0 0 0New 201.74%
0 0In the money 0New 0.00% 100.00 0 0 0New 185.30%
0 0In the money 0New 0.00% 105.00 1 1 0 149.86%
0 0In the money 0New 0.00% 110.00 14 14 0 110.90%
0 0In the money 0New 0.00% 115.00 28 28 0 126.83%
2 2In the money 0 0.00% 120.00 117 121 +4 69.39%
0 0In the money 0New 0.00% 123.00 0 0 0New 100.17%
0 1In the money +1New 0.00% 124.00 0 0 0New 96.82%
10 10In the money 0 0.00% 125.00 100 97 -3 60.85%
0 0In the money 0New 0.00% 126.00 0 0 0New 85.13%
0 0In the money 0New 0.00% 127.00 0 0 0New 86.94%
0 0In the money 0New 0.00% 128.00 0 17 +17New 59.81%
8 8In the money 0 49.41% 129.00 31 32 +1 65.17%
19 18In the money -1 58.42% 130.00 466 473 +7 54.27%
22 22In the money 0 56.77% 131.00 34 34 0 63.89%
25 25In the money 0 54.94% 132.00 50 53 +3 57.02%
11 14In the money +3 52.96% 133.00 318 369 +51 55.63%
12 12In the money 0 50.23% 134.00 47 47 0 52.10%
17 16In the money -1 50.17% 135.00 240 2,027 +1,787 51.55%
4 6In the money +2 49.09% 136.00 154 153 -1 48.47%
13 14In the money +1 50.43% 137.00 166 167 +1 46.97%
36 40In the money +4 46.92% 138.00 1,610 1,672 +62 47.28%
2 13In the money +11 45.25% 139.00 71 132 +61 48.48%
1,268 1,267In the money -1 48.39% 140.00 636 845 +209 48.72%
19 18In the money -1 51.30% 141.00 49 304 +255 46.51%
41 43In the money +2 47.63% 142.00 53 138 +85 50.00%
146 267In the money +121 47.48% 143.00 889 895 +6 44.24%
80 77In the money -3 45.90% 144.00 307 967 +660 46.82%
STOCK PRICE $144.89
124 133 +9 45.99% 145.00NEAREST ATM 452 518In the money +66 45.64%
1,293 1,328 +35 45.25% 146.00 128 312In the money +184 43.94%
3,326 2,449 -877 44.78% 147.00 96 600In the money +504 47.95%
627 607 -20 44.91% 148.00 86 530In the money +444 43.87%
137 434 +297 45.52% 149.00 45 490In the money +445 43.32%
638 2,210 +1,572 45.66% 150.00 19 1,020In the money +1,001 44.64%
3,075 2,893 -182 44.80% 152.50 24 69In the money +45 50.56%
807 1,645 +838 48.61% 155.00 43 83In the money +40 52.49%
257 265 +8 46.82% 157.50 10 10In the money 0 49.70%
2,189 10,472 +8,283 46.40% 160.00 1 1In the money 0 48.61%
176 617 +441 47.98% 162.50 0 0In the money 0New 56.94%
214 4,289 +4,075 52.50% 165.00 0 0In the money 0New 59.71%
259 280 +21 62.84% 167.50 0 0In the money 0New 66.01%
399 8,123 +7,724 53.42% 170.00 0 0In the money 0New 52.56%
68 98 +30 59.67% 172.50 0 0In the money 0New 56.61%
9 11 +2 90.55% 175.00 0 0In the money 0New 78.58%
45 61 +16 66.35% 180.00 0 0In the money 0New 89.09%
16 16 0 102.42% 185.00 0 0In the money 0New 101.85%
2 2 0 106.72% 190.00 0 0In the money 0New 114.21%
Showing strikes 1–50 of 56
Nov 06, 2026EXPIRATION110 contracts / 55 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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 0.00% 80.00 0 0 0New 194.80%
0 0In the money 0New 0.00% 85.00 0 0 0New 177.85%
0 0In the money 0New 0.00% 90.00 0 0 0New 159.52%
0 0In the money 0New 0.00% 95.00 0 0 0New 146.51%
0 0In the money 0New 0.00% 100.00 0 0 0New 131.88%
0 0In the money 0New 0.00% 105.00 0 0 0New 106.86%
0 0In the money 0New 0.00% 110.00 14 14 0 84.09%
0 0In the money 0New 0.00% 115.00 127 127 0 78.13%
1 1In the money 0 0.00% 120.00 222 232 +10 69.78%
0 0In the money 0New 0.00% 124.00 0 0 0New 58.46%
3 3In the money 0 34.29% 125.00 23 23 0 61.33%
0 0In the money 0New 0.00% 126.00 0 0 0New 53.96%
0 0In the money 0New 0.00% 127.00 0 0 0New 63.27%
0 0In the money 0New 32.82% 128.00 0 0 0New 50.19%
0 0In the money 0New 42.35% 129.00 0 0 0New 47.66%
0 0In the money 0New 40.74% 130.00 125 163 +38 43.18%
0 2In the money +2New 40.69% 131.00 6 6 0 42.32%
0 2In the money +2New 43.42% 132.00 37 37 0 41.28%
0 2In the money +2New 41.75% 133.00 12 12 0 43.22%
1 2In the money +1 42.89% 134.00 268 266 -2 41.26%
5 5In the money 0 44.52% 135.00 72 66 -6 41.23%
2 3In the money +1 42.01% 136.00 55 59 +4 40.26%
1 4In the money +3 42.35% 137.00 87 72 -15 40.91%
2 2In the money 0 42.61% 138.00 40 83 +43 39.02%
2 2In the money 0 42.55% 139.00 24 42 +18 40.14%
4 5In the money +1 40.72% 140.00 33 31 -2 39.40%
3 3In the money 0 41.56% 141.00 18 19 +1 39.35%
24 53In the money +29 40.44% 142.00 48 74 +26 39.44%
32 31In the money -1 39.75% 143.00 13 17 +4 38.18%
28 128In the money +100 38.99% 144.00 14 21 +7 37.88%
STOCK PRICE $144.89
250 271 +21 39.91% 145.00NEAREST ATM 50 60In the money +10 38.59%
42 39 -3 40.08% 146.00 1 1In the money 0 37.86%
440 441 +1 39.29% 147.00 0 285In the money +285New 38.14%
26 35 +9 38.80% 148.00 1 1In the money 0 37.88%
7 28 +21 38.72% 149.00 52 52In the money 0 37.76%
424 425 +1 39.18% 150.00 31 177In the money +146 37.53%
122 124 +2 38.08% 152.50 0 198In the money +198New 38.92%
822 862 +40 39.07% 155.00 0 170In the money +170New 41.04%
122 125 +3 39.34% 157.50 0 0In the money 0New 41.26%
278 353 +75 39.98% 160.00 5 5In the money 0 43.05%
17 16 -1 39.91% 162.50 0 0In the money 0New 43.17%
16 46 +30 42.88% 165.00 0 0In the money 0New 44.88%
1 50 +49 49.86% 167.50 0 0In the money 0New 47.33%
37 149 +112 44.99% 170.00 0 0In the money 0New 50.20%
24 24 0 59.62% 172.50 0 0In the money 0New 49.74%
11 12 +1 62.94% 175.00 0 0In the money 0New 56.26%
4 4 0 65.99% 180.00 0 0In the money 0New 60.60%
0 0 0New 80.31% 185.00 0 0In the money 0New 67.96%
0 0 0New 86.36% 190.00 0 0In the money 0New 82.86%
0 0 0New 102.41% 195.00 0 0In the money 0New 88.13%
Showing strikes 1–50 of 55
Nov 13, 2026EXPIRATION100 contracts / 50 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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 114.81% 80.00 0 0 0New 159.63%
0 0In the money 0New 107.38% 85.00 0 0 0New 145.75%
0 0In the money 0New 86.26% 90.00 0 0 0New 132.74%
0 0In the money 0New 85.42% 95.00 0 0 0New 120.22%
0 0In the money 0New 78.60% 100.00 0 0 0New 94.40%
0 0In the money 0New 70.21% 105.00 0 0 0New 90.28%
0 0In the money 0New 59.51% 110.00 21 21 0 51.73%
0 0In the money 0New 53.95% 115.00 1 7 +6 64.72%
0 0In the money 0New 35.77% 120.00 107 104 -3 50.69%
0 0In the money 0New 38.78% 125.00 18 14 -4 41.11%
0 0In the money 0New 37.09% 129.00 1 1 0 37.89%
7 7In the money 0 40.68% 130.00 30 30 0 40.09%
0 0In the money 0New 38.63% 131.00 2 2 0 45.06%
8 8In the money 0 40.10% 132.00 4 4 0 40.80%
0 0In the money 0New 36.72% 133.00 4 4 0 37.69%
0 0In the money 0New 38.84% 134.00 15 14 -1 39.15%
4 4In the money 0 36.81% 135.00 45 43 -2 39.96%
0 0In the money 0New 39.33% 136.00 136 136 0 38.85%
0 0In the money 0New 36.84% 137.00 5 15 +10 37.35%
0 0In the money 0New 38.89% 138.00 24 24 0 37.41%
0 0In the money 0New 39.29% 139.00 21 21 0 40.97%
4 4In the money 0 37.46% 140.00 14 14 0 37.26%
5 5In the money 0 37.26% 141.00 4 4 0 37.36%
4 4In the money 0 39.26% 142.00 26 27 +1 40.68%
2 3In the money +1 38.22% 143.00 24 19 -5 36.86%
3 3In the money 0 37.36% 144.00 5 5 0 40.36%
STOCK PRICE $144.89
8 30 +22 37.73% 145.00NEAREST ATM 8 304In the money +296 36.57%
4 4 0 37.89% 146.00 0 0In the money 0New 36.54%
12 14 +2 38.73% 147.00 2 2In the money 0 37.37%
16 33 +17 35.19% 148.00 0 304In the money +304New 36.34%
2 3 +1 37.99% 149.00 1 1In the money 0 37.86%
60 61 +1 36.95% 150.00 8 8In the money 0 36.37%
13 15 +2 36.64% 152.50 0 206In the money +206New 35.57%
342 346 +4 36.33% 155.00 3 4In the money +1 40.02%
171 171 0 34.35% 157.50 0 15In the money +15New 38.09%
98 115 +17 37.97% 160.00 0 0In the money 0New 38.96%
23 24 +1 45.05% 162.50 0 0In the money 0New 39.89%
21 53 +32 39.44% 165.00 0 0In the money 0New 38.37%
5 430 +425 39.47% 167.50 0 0In the money 0New 41.65%
0 0 0New 53.45% 170.00 0 0In the money 0New 43.06%
0 0 0New 54.14% 172.50 0 0In the money 0New 44.70%
1 1 0 56.37% 175.00 0 0In the money 0New 50.90%
3 7 +4 60.73% 180.00 1 1In the money 0 53.08%
3 3 0 71.59% 185.00 0 0In the money 0New 59.20%
0 0 0New 73.20% 190.00 0 0In the money 0New 0.00%
0 0 0New 73.19% 195.00 0 0In the money 0New 0.00%
0 0 0New 80.52% 200.00 0 0In the money 0New 0.00%
0 0 0New 92.48% 205.00 0 0In the money 0New 0.00%
0 0 0New 98.60% 210.00 0 0In the money 0New 0.00%
0 0 0New 103.26% 215.00 0 0In the money 0New 0.00%
Nov 20, 2026EXPIRATION94 contracts / 47 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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% 65.00 10 10 0 107.50%
0 0In the money 0New 0.00% 70.00 0 0 0New 102.44%
0 0In the money 0New 0.00% 75.00 0 0 0New 94.50%
1 1In the money 0 0.00% 80.00 2 2 0 138.56%
0 0In the money 0New 0.00% 85.00 3 3 0 126.53%
0 0In the money 0New 0.00% 90.00 0 0 0New 113.51%
0 0In the money 0New 0.00% 95.00 2 2 0 84.33%
21 21In the money 0 0.00% 100.00 154 154 0 60.85%
1 1In the money 0 0.00% 105.00 41 41 0 55.22%
32 32In the money 0 49.26% 110.00 1,819 1,830 +11 48.82%
19 19In the money 0 0.00% 115.00 130 133 +3 41.44%
38 38In the money 0 0.00% 120.00 633 631 -2 40.63%
1,049 1,047In the money -2 32.19% 125.00 2,158 2,144 -14 38.49%
227 206In the money -21 32.96% 130.00 3,155 3,130 -25 36.99%
0 0In the money 0New 32.50% 134.00 1 5 +4 36.35%
196 196In the money 0 35.86% 135.00 9,757 9,521 -236 35.94%
0 0In the money 0New 32.28% 136.00 2 7 +5 35.82%
0 0In the money 0New 31.19% 137.00 15 21 +6 34.26%
0 0In the money 0New 38.35% 138.00 1 6 +5 35.27%
0 0In the money 0New 33.61% 139.00 4 7 +3 34.69%
602 609In the money +7 36.17% 140.00 4,272 4,228 -44 35.03%
0 0In the money 0New 35.56% 141.00 2 55 +53 34.79%
6 6In the money 0 36.43% 142.00 0 1 +1New 34.71%
0 0In the money 0New 33.44% 143.00 27 28 +1 34.45%
21 21In the money 0 35.37% 144.00 0 13 +13New 34.79%
STOCK PRICE $144.89
6,404 7,855 +1,451 35.06% 145.00NEAREST ATM 4,177 4,628In the money +451 34.65%
3 6 +3 35.21% 146.00 8 2,836In the money +2,828 34.63%
31 2,832 +2,801 35.80% 147.00 2 501In the money +499 34.44%
47 51 +4 35.92% 148.00 11 51In the money +40 35.64%
245 283 +38 33.65% 149.00 0 2In the money +2New 35.26%
6,003 6,504 +501 34.38% 150.00 1,354 1,360In the money +6 34.37%
101 118 +17 34.08% 152.50 0 19In the money +19New 33.95%
3,688 3,762 +74 33.96% 155.00 339 365In the money +26 34.61%
302 319 +17 33.72% 157.50 0 0In the money 0New 37.27%
5,573 5,649 +76 33.64% 160.00 142 142In the money 0 31.37%
32 41 +9 34.26% 162.50 0 0In the money 0New 35.93%
4,042 4,456 +414 34.56% 165.00 31 31In the money 0 36.53%
4 9 +5 35.96% 167.50 0 0In the money 0New 40.29%
2,352 2,240 -112 33.88% 170.00 48 47In the money -1 36.02%
1,088 1,078 -10 34.50% 175.00 0 0In the money 0New 33.51%
738 736 -2 43.33% 180.00 0 0In the money 0New 47.98%
108 111 +3 43.65% 185.00 0 0In the money 0New 49.49%
232 178 -54 54.32% 190.00 0 0In the money 0New 0.00%
10 10 0 58.46% 195.00 0 0In the money 0New 0.00%
12 13 +1 43.46% 200.00 0 0In the money 0New 0.00%
2 2 0 69.96% 210.00 0 0In the money 0New 0.00%
9 9 0 92.12% 220.00 0 0In the money 0New 77.87%
Nov 27, 2026EXPIRATION98 contracts / 49 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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% 80.00 0 0 0New 111.24%
0 0In the money 0New 0.00% 85.00 0 0 0New 100.90%
0 0In the money 0New 72.89% 90.00 0 0 0New 91.45%
0 0In the money 0New 0.00% 95.00 0 0 0New 82.61%
0 0In the money 0New 0.00% 100.00 0 0 0New 71.48%
0 0In the money 0New 0.00% 105.00 0 0 0New 55.44%
0 0In the money 0New 0.00% 110.00 0 0 0New 48.03%
0 0In the money 0New 0.00% 115.00 0 0 0New 43.44%
0 0In the money 0New 38.81% 120.00 0 0 0New 39.65%
0 0In the money 0New 34.25% 125.00 1 1 0 38.23%
0 0In the money 0New 31.73% 129.00 5 3 -2 36.39%
13 13In the money 0 34.83% 130.00 3 4 +1 37.04%
0 17In the money +17New 35.08% 131.00 3 3 0 36.74%
0 0In the money 0New 34.01% 132.00 1 4 +3 37.73%
0 0In the money 0New 33.93% 133.00 3 3 0 33.44%
0 0In the money 0New 32.51% 134.00 3 3 0 36.96%
2 2In the money 0 32.78% 135.00 4 6 +2 36.08%
0 0In the money 0New 33.04% 136.00 4 4 0 32.79%
0 0In the money 0New 34.80% 137.00 4 4 0 32.41%
0 1In the money +1New 35.61% 138.00 3 3 0 35.24%
0 38In the money +38New 35.59% 139.00 3 2 -1 35.86%
10 8In the money -2 31.62% 140.00 70 84 +14 31.81%
0 1In the money +1New 35.12% 141.00 2 2 0 36.43%
0 1In the money +1New 35.84% 142.00 1 1 0 36.55%
1 1In the money 0 32.54% 143.00 2 2 0 33.25%
0 2In the money +2New 33.98% 144.00 0 1 +1New 36.37%
STOCK PRICE $144.89
4 4 0 34.68% 145.00NEAREST ATM 70 76In the money +6 33.97%
1 1 0 32.58% 146.00 8 9In the money +1 32.01%
0 0 0New 34.52% 147.00 16 16In the money 0 35.63%
1 4 +3 34.80% 148.00 0 0In the money 0New 33.50%
0 1 +1New 31.53% 149.00 1 11In the money +10 35.19%
16 33 +17 34.52% 150.00 16 16In the money 0 33.45%
5 6 +1 34.38% 152.50 1 1In the money 0 32.81%
15 16 +1 33.65% 155.00 0 0In the money 0New 32.96%
11 11 0 34.66% 157.50 0 0In the money 0New 35.14%
24 81 +57 31.82% 160.00 0 0In the money 0New 35.69%
2 415 +413 34.57% 162.50 0 0In the money 0New 35.29%
1 1 0 40.25% 165.00 0 0In the money 0New 36.04%
0 0 0New 41.08% 167.50 0 0In the money 0New 37.72%
0 15 +15New 41.42% 170.00 0 0In the money 0New 38.10%
0 0 0New 45.24% 172.50 0 0In the money 0New 38.10%
30 31 +1 36.71% 175.00 0 0In the money 0New 38.95%
0 1 +1New 39.58% 180.00 0 0In the money 0New 38.57%
0 3 +3New 42.95% 185.00 0 0In the money 0New 0.00%
0 0 0New 55.00% 190.00 0 0In the money 0New 0.00%
0 0 0New 59.02% 195.00 0 0In the money 0New 0.00%
0 0 0New 62.69% 200.00 0 0In the money 0New 0.00%
0 0 0New 68.84% 205.00 0 0In the money 0New 0.00%
0 0 0New 75.44% 210.00 0 0In the money 0New 0.00%
Dec 04, 2026EXPIRATION98 contracts / 49 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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 60.70% 80.00 0 0 0New 108.10%
0 0In the money 0New 65.18% 85.00 0 0 0New 92.55%
0 0In the money 0New 63.42% 90.00 0 0 0New 83.90%
0 0In the money 0New 58.55% 95.00 0 0 0New 75.81%
0 0In the money 0New 54.77% 100.00 0 0 0New 68.29%
0 0In the money 0New 52.16% 105.00 0 0 0New 51.70%
0 0In the money 0New 0.00% 110.00 0 0 0New 45.03%
0 0In the money 0New 0.00% 115.00 0 0 0New 42.00%
0 0In the money 0New 30.72% 120.00 0 0 0New 38.96%
0 0In the money 0New 29.79% 125.00 0 0 0New 36.83%
0 0In the money 0New 34.37% 129.00 0 0 0New 36.43%
0 0In the money 0New 30.72% 130.00 0 0 0New 35.24%
0 0In the money 0New 31.46% 131.00 0 0 0New 35.29%
0 0In the money 0New 31.93% 132.00 0 0 0New 31.17%
0 0In the money 0New 31.83% 133.00 0 0 0New 39.66%
0 0In the money 0New 34.20% 134.00 0 0 0New 39.08%
0 0In the money 0New 31.40% 135.00 0 1 +1New 32.04%
0 0In the money 0New 31.25% 136.00 0 1 +1New 34.23%
0 0In the money 0New 35.66% 137.00 0 0 0New 36.39%
0 0In the money 0New 34.67% 138.00 0 0 0New 38.02%
0 0In the money 0New 31.91% 139.00 0 0 0New 31.79%
0 0In the money 0New 33.02% 140.00 0 1 +1New 30.74%
0 0In the money 0New 33.82% 141.00 0 0 0New 37.17%
0 0In the money 0New 33.27% 142.00 0 0 0New 34.60%
0 0In the money 0New 30.52% 143.00 0 0 0New 30.81%
0 0In the money 0New 34.02% 144.00 0 0 0New 36.49%
STOCK PRICE $144.89
0 0 0New 33.88% 145.00NEAREST ATM 0 0In the money 0New 33.39%
0 0 0New 30.45% 146.00 0 0In the money 0New 31.99%
0 0 0New 33.64% 147.00 0 2In the money +2New 33.65%
0 0 0New 33.91% 148.00 0 0In the money 0New 33.14%
0 0 0New 29.68% 149.00 0 0In the money 0New 30.57%
0 0 0New 33.46% 150.00 0 1In the money +1New 33.05%
0 1 +1New 32.57% 152.50 0 0In the money 0New 32.78%
0 0 0New 33.08% 155.00 0 0In the money 0New 32.56%
0 1 +1New 33.37% 157.50 0 0In the money 0New 33.92%
0 0 0New 33.48% 160.00 0 0In the money 0New 34.28%
0 0 0New 35.37% 162.50 0 0In the money 0New 34.78%
0 0 0New 38.61% 165.00 0 0In the money 0New 35.10%
0 0 0New 38.98% 167.50 0 0In the money 0New 36.61%
0 1 +1New 39.35% 170.00 0 0In the money 0New 37.83%
0 0 0New 41.41% 172.50 0 0In the money 0New 39.39%
0 0 0New 43.45% 175.00 0 0In the money 0New 40.78%
0 0 0New 39.36% 180.00 0 0In the money 0New 45.22%
0 0 0New 36.88% 185.00 0 0In the money 0New 0.00%
0 0 0New 55.33% 190.00 0 0In the money 0New 0.00%
0 0 0New 59.09% 195.00 0 0In the money 0New 46.80%
0 0 0New 62.74% 200.00 0 0In the money 0New 48.51%
0 0 0New 66.24% 205.00 0 0In the money 0New 51.59%
0 0 0New 69.68% 210.00 0 0In the money 0New 51.76%
Dec 18, 2026EXPIRATION70 contracts / 35 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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 0.00% 40.00 497 497 0 114.90%
0 0In the money 0New 0.00% 45.00 174 174 0 104.70%
2 2In the money 0 0.00% 50.00 418 418 0 95.61%
0 0In the money 0New 0.00% 55.00 588 581 -7 87.40%
6 6In the money 0 0.00% 60.00 2,476 2,476 0 88.58%
1 1In the money 0 0.00% 65.00 325 325 0 80.17%
10 10In the money 0 0.00% 70.00 1,107 1,027 -80 73.22%
56 56In the money 0 0.00% 75.00 1,338 1,321 -17 69.39%
71 71In the money 0 0.00% 80.00 839 839 0 83.96%
303 303In the money 0 0.00% 85.00 585 583 -2 54.96%
231 231In the money 0 0.00% 90.00 860 860 0 53.99%
281 281In the money 0 0.00% 95.00 2,044 2,044 0 46.66%
628 628In the money 0 0.00% 100.00 2,563 2,549 -14 43.74%
2,234 2,234In the money 0 0.00% 105.00 2,080 2,047 -33 43.61%
2,358 2,359In the money +1 0.00% 110.00 2,755 2,743 -12 36.51%
582 582In the money 0 0.00% 115.00 1,350 1,322 -28 36.66%
519 518In the money -1 26.43% 120.00 1,535 1,543 +8 35.99%
967 966In the money -1 30.63% 125.00 1,031 1,071 +40 34.46%
1,407 1,407In the money 0 35.14% 130.00 1,616 1,677 +61 33.41%
1,626 1,623In the money -3 33.98% 135.00 1,333 1,488 +155 32.64%
3,492 3,512In the money +20 32.91% 140.00 1,337 1,408 +71 32.19%
STOCK PRICE $144.89
990 999 +9 32.05% 145.00NEAREST ATM 1,479 1,543In the money +64 31.62%
1,928 1,939 +11 31.62% 150.00 418 557In the money +139 31.42%
3,705 3,740 +35 31.38% 155.00 446 447In the money +1 32.68%
1,913 1,986 +73 31.51% 160.00 49 49In the money 0 33.17%
4,224 4,839 +615 31.32% 165.00 24 24In the money 0 33.25%
13,906 14,226 +320 31.48% 170.00 2 2In the money 0 33.90%
10,889 10,889 0 32.60% 175.00 6 6In the money 0 35.75%
780 804 +24 32.46% 180.00 0 0In the money 0New 36.71%
120 125 +5 32.76% 185.00 0 0In the money 0New 37.57%
966 986 +20 39.41% 190.00 0 0In the money 0New 37.12%
194 226 +32 33.93% 195.00 0 0In the money 0New 41.77%
24 24 0 38.83% 200.00 0 0In the money 0New 0.00%
1 1 0 52.07% 210.00 0 0In the money 0New 46.94%
3 3 0 66.48% 220.00 0 0In the money 0New 58.07%
Jan 15, 2027EXPIRATION72 contracts / 36 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 0.00% 40.00 391 391 0 91.72%
0 0In the money 0New 0.00% 45.00 836 836 0 93.95%
18 18In the money 0 0.00% 50.00 1,340 1,340 0 134.38%
12 12In the money 0 0.00% 55.00 120 120 0 87.88%
6 6In the money 0 0.00% 60.00 749 749 0 68.16%
29 29In the money 0 0.00% 65.00 571 571 0 104.17%
35 35In the money 0 82.83% 70.00 4,115 4,115 0 62.95%
73 73In the money 0 0.00% 75.00 4,185 4,185 0 68.18%
1,093 1,093In the money 0 0.00% 80.00 3,893 3,891 -2 49.25%
2,044 2,044In the money 0 0.00% 85.00 4,391 4,391 0 59.88%
791 790In the money -1 0.00% 90.00 4,430 4,444 +14 48.01%
1,655 1,655In the money 0 0.00% 95.00 2,003 2,003 0 45.51%
7,729 7,711In the money -18 0.00% 100.00 3,261 3,251 -10 39.22%
1,806 1,806In the money 0 24.42% 105.00 4,140 4,141 +1 38.92%
1,997 1,997In the money 0 0.00% 110.00 4,293 4,294 +1 36.96%
2,566 2,566In the money 0 29.21% 115.00 3,429 3,440 +11 36.23%
5,553 5,551In the money -2 33.67% 120.00 2,320 2,326 +6 34.91%
2,920 2,918In the money -2 32.02% 125.00 2,752 2,777 +25 34.00%
2,628 2,628In the money 0 31.97% 130.00 11,838 16,335 +4,497 33.13%
3,742 3,741In the money -1 33.71% 135.00 980 1,006 +26 32.34%
2,132 2,138In the money +6 33.67% 140.00 3,490 3,538 +48 31.94%
STOCK PRICE $144.89
4,232 4,232 0 32.04% 145.00NEAREST ATM 802 840In the money +38 31.57%
3,339 3,444 +105 31.59% 150.00 640 740In the money +100 31.20%
1,528 1,542 +14 31.34% 155.00 134 125In the money -9 32.55%
5,491 2,356 -3,135 31.14% 160.00 116 116In the money 0 31.80%
1,852 5,858 +4,006 30.82% 165.00 27 27In the money 0 32.47%
3,120 3,142 +22 30.97% 170.00 1 1In the money 0 31.55%
2,109 2,103 -6 31.20% 175.00 130 130In the money 0 31.80%
2,296 2,316 +20 31.63% 180.00 5 5In the money 0 33.88%
180 187 +7 31.57% 185.00 0 0In the money 0New 35.57%
276 276 0 31.77% 190.00 0 0In the money 0New 36.48%
338 338 0 33.79% 195.00 0 0In the money 0New 33.31%
163 163 0 31.93% 200.00 0 0In the money 0New 35.88%
39 39 0 36.37% 210.00 0 0In the money 0New 0.00%
105 106 +1 37.94% 220.00 0 0In the money 0New 48.66%
20 20 0 48.34% 230.00 0 0In the money 0New 53.21%
Mar 19, 2027EXPIRATION64 contracts / 32 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK option chain expiring 2027-03-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 60.00 3 3 0 67.84%
6 6In the money 0 0.00% 65.00 9 11 +2 79.48%
0 0In the money 0New 0.00% 70.00 22 22 0 73.24%
15 15In the money 0 0.00% 75.00 56 55 -1 52.27%
6 6In the money 0 0.00% 80.00 86 88 +2 49.76%
8 8In the money 0 0.00% 85.00 278 252 -26 42.71%
17 17In the money 0 37.40% 90.00 143 143 0 41.26%
27 27In the money 0 24.41% 95.00 815 815 0 39.62%
263 263In the money 0 31.87% 100.00 1,082 1,082 0 39.06%
7,436 7,432In the money -4 34.09% 105.00 1,418 1,431 +13 38.04%
1,313 1,313In the money 0 35.44% 110.00 2,603 2,631 +28 36.99%
379 379In the money 0 34.80% 115.00 996 1,013 +17 36.48%
1,865 1,865In the money 0 34.01% 120.00 1,901 1,924 +23 34.84%
322 322In the money 0 33.87% 125.00 1,511 1,504 -7 34.14%
563 558In the money -5 32.66% 130.00 1,695 1,694 -1 33.77%
560 560In the money 0 33.79% 135.00 1,399 1,400 +1 33.26%
391 384In the money -7 32.64% 140.00 776 777 +1 32.80%
STOCK PRICE $144.89
1,500 1,500 0 32.35% 145.00NEAREST ATM 500 498In the money -2 32.35%
837 844 +7 31.91% 150.00 550 552In the money +2 32.01%
2,302 2,337 +35 31.82% 155.00 579 576In the money -3 31.84%
324 329 +5 31.90% 160.00 95 121In the money +26 32.98%
422 436 +14 31.56% 165.00 27 27In the money 0 32.93%
662 693 +31 31.65% 170.00 15 15In the money 0 32.66%
837 839 +2 31.44% 175.00 3 3In the money 0 32.78%
1,145 1,253 +108 32.34% 180.00 0 0In the money 0New 32.70%
1,671 1,675 +4 32.42% 185.00 0 0In the money 0New 33.24%
275 291 +16 33.38% 190.00 0 0In the money 0New 34.32%
336 334 -2 29.97% 195.00 0 0In the money 0New 35.16%
123 597 +474 33.13% 200.00 0 0In the money 0New 35.41%
64 64 0 34.37% 210.00 0 0In the money 0New 35.16%
72 531 +459 34.84% 220.00 0 0In the money 0New 0.00%
22 22 0 38.65% 230.00 0 0In the money 0New 0.00%
Apr 16, 2027EXPIRATION54 contracts / 27 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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 0.00% 80.00 21 26 +5 43.56%
2 2In the money 0 32.84% 85.00 2 2 0 41.97%
17 17In the money 0 0.00% 90.00 4 4 0 43.86%
2 2In the money 0 31.37% 95.00 9 9 0 38.13%
0 10In the money +10New 34.33% 100.00 13 13 0 40.58%
119 119In the money 0 34.34% 105.00 149 149 0 37.46%
750 750In the money 0 34.20% 110.00 849 854 +5 36.90%
7 7In the money 0 33.54% 115.00 29 29 0 37.73%
61 61In the money 0 33.06% 120.00 675 689 +14 34.53%
52 52In the money 0 33.26% 125.00 454 471 +17 33.67%
15 14In the money -1 32.73% 130.00 185 202 +17 33.35%
9 9In the money 0 32.77% 135.00 223 223 0 32.86%
35 35In the money 0 31.98% 140.00 1,223 1,223 0 32.53%
STOCK PRICE $144.89
864 863 -1 32.68% 145.00NEAREST ATM 274 280In the money +6 31.88%
73 64 -9 31.91% 150.00 161 162In the money +1 31.54%
46 46 0 31.67% 155.00 1 11In the money +10 31.32%
181 183 +2 32.03% 160.00 19 30In the money +11 30.79%
39 46 +7 31.81% 165.00 30 38In the money +8 32.61%
60 62 +2 31.22% 170.00 35 35In the money 0 32.52%
152 152 0 31.12% 175.00 3 3In the money 0 32.32%
23 20 -3 31.51% 180.00 0 0In the money 0New 33.21%
20 20 0 31.20% 185.00 0 0In the money 0New 33.24%
83 84 +1 31.96% 190.00 0 0In the money 0New 33.50%
15 15 0 33.20% 195.00 0 0In the money 0New 34.24%
24 24 0 32.73% 200.00 0 0In the money 0New 34.24%
10 33 +23 32.88% 210.00 0 0In the money 0New 36.51%
15 15 0 31.73% 220.00 0 0In the money 0New 36.52%
Jun 17, 2027EXPIRATION72 contracts / 36 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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 0.00% 40.00 26 26 0 96.62%
0 0In the money 0New 0.00% 45.00 30 30 0 63.38%
0 0In the money 0New 0.00% 50.00 39 39 0 81.22%
0 0In the money 0New 48.75% 55.00 45 45 0 74.76%
5 5In the money 0 0.00% 60.00 341 341 0 52.28%
27 27In the money 0 0.00% 65.00 549 549 0 54.44%
35 35In the money 0 0.00% 70.00 233 233 0 47.58%
111 111In the money 0 0.00% 75.00 161 161 0 45.21%
12,379 12,379In the money 0 36.90% 80.00 983 983 0 41.50%
155 155In the money 0 34.23% 85.00 311 311 0 40.46%
1,449 1,449In the money 0 36.45% 90.00 3,725 3,725 0 39.59%
114 114In the money 0 35.56% 95.00 388 388 0 36.86%
1,515 1,515In the money 0 35.01% 100.00 2,343 2,343 0 37.54%
347 347In the money 0 34.50% 105.00 1,171 1,175 +4 36.86%
1,289 1,289In the money 0 34.36% 110.00 3,983 3,983 0 36.39%
898 898In the money 0 34.98% 115.00 1,362 1,444 +82 34.05%
932 931In the money -1 33.85% 120.00 1,363 1,366 +3 35.38%
569 569In the money 0 33.22% 125.00 705 700 -5 34.54%
824 824In the money 0 33.36% 130.00 1,150 1,150 0 33.70%
451 459In the money +8 33.04% 135.00 1,608 1,609 +1 33.30%
1,291 1,291In the money 0 32.66% 140.00 534 538 +4 33.20%
STOCK PRICE $144.89
1,626 1,626 0 33.52% 145.00NEAREST ATM 234 248In the money +14 32.68%
1,456 1,456 0 33.39% 150.00 464 460In the money -4 32.75%
794 802 +8 33.08% 155.00 333 333In the money 0 32.92%
1,122 1,120 -2 32.92% 160.00 238 238In the money 0 33.31%
752 756 +4 32.50% 165.00 63 63In the money 0 32.56%
2,491 2,406 -85 32.51% 170.00 123 123In the money 0 32.89%
316 339 +23 31.93% 175.00 3 3In the money 0 32.90%
454 459 +5 31.93% 180.00 0 0In the money 0New 33.20%
187 193 +6 31.85% 185.00 0 0In the money 0New 33.56%
435 440 +5 32.43% 190.00 0 0In the money 0New 33.23%
151 151 0 33.23% 195.00 4 4In the money 0 34.36%
1,162 1,162 0 32.88% 200.00 0 0In the money 0New 34.30%
20 20 0 35.48% 210.00 0 0In the money 0New 35.71%
23 23 0 37.09% 220.00 0 0In the money 0New 38.10%
23 23 0 38.56% 230.00 0 0In the money 0New 40.43%
Sep 17, 2027EXPIRATION60 contracts / 30 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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 0.00% 70.00 41 41 0 52.64%
10 10In the money 0 34.80% 75.00 58 58 0 48.54%
0 0In the money 0New 36.74% 80.00 6 6 0 47.08%
0 0In the money 0New 36.40% 85.00 6 6 0 44.40%
1 1In the money 0 36.10% 90.00 7 7 0 40.60%
0 0In the money 0New 39.31% 95.00 53 53 0 38.64%
3 3In the money 0 35.59% 100.00 330 330 0 36.90%
70 70In the money 0 36.37% 105.00 126 128 +2 37.47%
14 14In the money 0 34.18% 110.00 103 103 0 34.16%
21 21In the money 0 35.65% 115.00 356 356 0 33.93%
9 9In the money 0 35.65% 120.00 52 78 +26 35.30%
1 1In the money 0 34.36% 125.00 180 180 0 34.22%
67 67In the money 0 32.85% 130.00 409 421 +12 33.41%
32 32In the money 0 32.94% 135.00 663 663 0 32.98%
70 70In the money 0 33.10% 140.00 83 83 0 33.62%
STOCK PRICE $144.89
44 48 +4 33.40% 145.00NEAREST ATM 194 213In the money +19 31.87%
125 129 +4 32.67% 150.00 95 130In the money +35 32.25%
271 271 0 32.47% 155.00 13 16In the money +3 33.16%
57 71 +14 32.81% 160.00 53 53In the money 0 31.88%
99 113 +14 32.87% 165.00 9 9In the money 0 33.68%
256 299 +43 32.17% 170.00 37 37In the money 0 32.08%
127 151 +24 32.72% 175.00 11 11In the money 0 32.41%
170 170 0 32.82% 180.00 0 0In the money 0New 32.12%
162 162 0 32.64% 185.00 0 0In the money 0New 34.00%
80 81 +1 32.60% 190.00 0 0In the money 0New 34.23%
10 11 +1 32.09% 195.00 0 0In the money 0New 34.37%
146 143 -3 31.70% 200.00 0 0In the money 0New 34.59%
37 41 +4 32.70% 210.00 0 0In the money 0New 35.04%
32 32 0 33.14% 220.00 0 0In the money 0New 36.50%
74 74 0 31.97% 230.00 0 0In the money 0New 34.61%
Dec 17, 2027EXPIRATION72 contracts / 36 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK option chain expiring 2027-12-17, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
2 2In the money 0 66.72% 40.00 435 434 -1 53.06%
1 1In the money 0 57.27% 45.00 33 33 0 52.77%
24 24In the money 0 46.22% 50.00 534 533 -1 45.74%
4 4In the money 0 0.00% 55.00 324 323 -1 45.68%
236 236In the money 0 38.47% 60.00 1,146 1,146 0 43.41%
57 57In the money 0 44.05% 65.00 1,667 1,667 0 41.61%
259 259In the money 0 34.61% 70.00 2,559 2,559 0 41.32%
207 207In the money 0 41.11% 75.00 632 632 0 40.45%
567 567In the money 0 36.90% 80.00 984 984 0 38.98%
424 424In the money 0 36.52% 85.00 170 170 0 38.81%
1,182 1,182In the money 0 36.52% 90.00 851 851 0 37.26%
292 292In the money 0 37.13% 95.00 600 600 0 37.08%
399 399In the money 0 35.37% 100.00 373 373 0 36.26%
254 254In the money 0 36.68% 105.00 159 159 0 34.86%
273 273In the money 0 35.04% 110.00 759 759 0 35.13%
312 312In the money 0 33.91% 115.00 45 45 0 34.67%
567 567In the money 0 34.20% 120.00 178 178 0 35.23%
285 285In the money 0 33.25% 125.00 61 62 +1 33.14%
259 255In the money -4 32.83% 130.00 287 287 0 34.53%
264 263In the money -1 32.58% 135.00 102 112 +10 33.38%
622 622In the money 0 33.46% 140.00 135 135 0 33.16%
STOCK PRICE $144.89
106 105 -1 32.31% 145.00NEAREST ATM 77 77In the money 0 32.77%
219 229 +10 32.40% 150.00 67 67In the money 0 32.83%
158 158 0 32.02% 155.00 45 45In the money 0 32.09%
145 145 0 32.73% 160.00 6 6In the money 0 32.69%
94 94 0 32.35% 165.00 2 2In the money 0 32.34%
194 194 0 32.67% 170.00 8 8In the money 0 32.09%
118 118 0 32.50% 175.00 0 0In the money 0New 32.14%
413 413 0 31.71% 180.00 21 21In the money 0 31.87%
112 114 +2 32.60% 185.00 0 0In the money 0New 33.26%
416 416 0 31.82% 190.00 0 0In the money 0New 33.38%
392 392 0 31.73% 195.00 0 0In the money 0New 33.73%
17 18 +1 33.06% 200.00 0 0In the money 0New 34.34%
15 18 +3 31.78% 210.00 0 0In the money 0New 32.66%
9 9 0 32.80% 220.00 0 0In the money 0New 31.46%
19 19 0 33.45% 230.00 0 0In the money 0New 36.45%
Jan 21, 2028EXPIRATION72 contracts / 36 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK 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 64.91% 40.00 186 186 0 51.33%
1 1In the money 0 55.28% 45.00 33 33 0 48.28%
22 22In the money 0 0.00% 50.00 91 91 0 44.57%
3 3In the money 0 0.00% 55.00 660 659 -1 44.64%
83 83In the money 0 44.13% 60.00 20 20 0 43.17%
12 12In the money 0 42.55% 65.00 251 251 0 41.57%
35 35In the money 0 35.69% 70.00 1,156 1,156 0 39.59%
128 128In the money 0 36.69% 75.00 508 508 0 39.17%
118 118In the money 0 38.12% 80.00 334 340 +6 38.44%
121 121In the money 0 38.05% 85.00 318 318 0 37.79%
143 143In the money 0 35.62% 90.00 715 715 0 36.81%
82 82In the money 0 36.71% 95.00 1,271 1,271 0 36.46%
721 721In the money 0 37.73% 100.00 2,319 2,323 +4 36.18%
762 762In the money 0 35.07% 105.00 574 574 0 34.27%
641 641In the money 0 35.11% 110.00 1,469 1,469 0 34.95%
518 517In the money -1 34.23% 115.00 915 914 -1 34.30%
2,124 2,123In the money -1 34.38% 120.00 834 834 0 33.40%
523 523In the money 0 33.18% 125.00 1,181 1,181 0 33.82%
559 558In the money -1 33.13% 130.00 629 635 +6 33.02%
589 589In the money 0 33.80% 135.00 426 426 0 32.83%
1,424 1,422In the money -2 32.86% 140.00 461 461 0 32.96%
STOCK PRICE $144.89
231 231 0 32.75% 145.00NEAREST ATM 303 302In the money -1 32.62%
1,198 1,196 -2 32.24% 150.00 212 212In the money 0 33.45%
358 359 +1 33.27% 155.00 46 46In the money 0 32.32%
844 844 0 32.52% 160.00 25 25In the money 0 33.00%
387 469 +82 32.77% 165.00 518 478In the money -40 32.22%
752 752 0 32.58% 170.00 413 413In the money 0 32.48%
163 162 -1 32.34% 175.00 22 22In the money 0 32.04%
408 429 +21 32.39% 180.00 4 4In the money 0 31.80%
1,074 1,077 +3 32.02% 185.00 5 5In the money 0 31.93%
773 753 -20 31.67% 190.00 15 15In the money 0 32.92%
267 273 +6 31.53% 195.00 0 0In the money 0New 31.33%
62 62 0 31.99% 200.00 0 0In the money 0New 34.12%
18 48 +30 32.17% 210.00 0 0In the money 0New 34.10%
7 12 +5 32.64% 220.00 0 0In the money 0New 34.85%
36 36 0 33.37% 230.00 0 0In the money 0New 35.73%
Jan 19, 2029EXPIRATION58 contracts / 29 strikes
SAVED STOCK PRICE$144.89Nearest ATM strike $145.00
Jump to ATM
MRK option chain expiring 2029-01-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
8 15In the money +7 36.20% 70.00 2 2 0 36.68%
28 28In the money 0 36.37% 75.00 21 21 0 37.82%
1 1In the money 0 35.66% 80.00 29 29 0 34.86%
1 1In the money 0 35.02% 85.00 4 4 0 36.45%
22 22In the money 0 34.94% 90.00 183 183 0 35.78%
3 3In the money 0 34.41% 95.00 29 29 0 35.47%
21 20In the money -1 34.36% 100.00 13 13 0 35.21%
43 44In the money +1 33.90% 105.00 17 17 0 33.95%
19 19In the money 0 33.54% 110.00 107 107 0 33.94%
40 40In the money 0 33.29% 115.00 13 13 0 34.33%
9 9In the money 0 33.02% 120.00 46 46 0 33.99%
40 40In the money 0 33.03% 125.00 4 4 0 32.78%
36 36In the money 0 32.86% 130.00 1 1 0 33.53%
63 63In the money 0 32.51% 135.00 0 0 0New 33.35%
29 33In the money +4 32.47% 140.00 9 9 0 33.22%
STOCK PRICE $144.89
61 61 0 32.36% 145.00NEAREST ATM 10 10In the money 0 32.58%
49 49 0 32.16% 150.00 15 16In the money +1 32.83%
54 54 0 32.19% 155.00 1 1In the money 0 32.50%
76 76 0 31.61% 160.00 0 0In the money 0New 32.86%
1 1 0 31.76% 165.00 0 0In the money 0New 32.85%
11 11 0 31.59% 170.00 0 0In the money 0New 32.68%
11 11 0 31.70% 175.00 0 0In the money 0New 32.53%
13 13 0 31.54% 180.00 0 0In the money 0New 32.86%
0 0 0New 31.29% 185.00 0 0In the money 0New 32.86%
0 0 0New 31.44% 190.00 0 0In the money 0New 32.61%
11 11 0 31.65% 195.00 0 0In the money 0New 32.94%
16 16 0 31.76% 200.00 0 0In the money 0New 32.92%
25 57 +32 31.38% 210.00 0 0In the money 0New 33.32%
12 12 0 31.57% 220.00 0 0In the money 0New 33.59%

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