MRK options chain $149.88
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2026-10-23 Expiration Analytics
— 1 trading days (1 calendar days)
1σ Expected Move (68.3%)
±1.8%
$147.16 — $152.60
Annualized Realized Vol
28.8%
Recent 20-day HV: 29.4%
In-the-money contracts are shaded relative to the current underlying price ($149.88).
Calls
| Contract | Strike | Move % | Touch Prob | Expire ITM % | Last | Change | Bid | Ask | Volume | Breakeven | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MRK261023C00080000 | $80.00 | -46.6% | 100.0% | 100.0% | — | — | $67.46 | $71.59 | — | $151.59 (43%) | Prob → |
| MRK261023C00085000 | $85.00 | -43.3% | 100.0% | 100.0% | — | — | $62.31 | $65.59 | — | $150.59 (68%) | Prob → |
| MRK261023C00090000 | $90.00 | -40.0% | 100.0% | 100.0% | — | — | $58.76 | $61.39 | — | $151.39 (48%) | Prob → |
| MRK261023C00095000 | $95.00 | -36.6% | 100.0% | 100.0% | — | — | $52.88 | $55.07 | — | $150.07 (81%) | Prob → |
| MRK261023C00100000 | $100.00 | -33.3% | 100.0% | 100.0% | — | — | $48.85 | $49.81 | — | $149.81 (87%) | Prob → |
| MRK261023C00105000 | $105.00 | -29.9% | 100.0% | 100.0% | — | — | $43.30 | $45.88 | — | $150.88 (61%) | Prob → |
| MRK261023C00110000 | $110.00 | -26.6% | 100.0% | 100.0% | $38.00 | +5.95 (+18.6%) | $38.15 | $40.89 | 1 | $150.89 (61%) | Prob → |
| MRK261023C00115000 | $115.00 | -23.3% | 100.0% | 100.0% | — | — | $33.39 | $35.73 | — | $150.73 (64%) | Prob → |
| MRK261023C00120000 | $120.00 | -19.9% | 100.0% | 100.0% | $30.65 | — | $27.63 | $30.49 | 1 | $150.49 (70%) | Prob → |
| MRK261023C00125000 | $125.00 | -16.6% | 100.0% | 100.0% | — | — | $23.90 | $25.38 | — | $150.38 (72%) | Prob → |
| MRK261023C00129000 | $129.00 | -13.9% | 100.0% | 100.0% | — | — | $19.04 | $22.14 | — | $151.14 (54%) | Prob → |
| MRK261023C00130000 | $130.00 | -13.3% | 100.0% | 100.0% | $18.90 | +3.50 (+22.7%) | $18.76 | $20.41 | 17 | $150.41 (71%) | Prob → |
| MRK261023C00131000 | $131.00 | -12.6% | 100.0% | 100.0% | $17.95 | — | $17.51 | $19.99 | 19 | $150.99 (58%) | Prob → |
| MRK261023C00132000 | $132.00 | -11.9% | 100.0% | 100.0% | $16.74 | — | $15.72 | $18.49 | 6 | $150.49 (70%) | Prob → |
| MRK261023C00133000 | $133.00 | -11.3% | 100.0% | 100.0% | $15.81 | — | $15.05 | $17.32 | 4 | $150.32 (74%) | Prob → |
| MRK261023C00134000 | $134.00 | -10.6% | 100.0% | 100.0% | — | — | $13.79 | $16.88 | — | $150.88 (61%) | Prob → |
| MRK261023C00135000 | $135.00 | -9.9% | 100.0% | 100.0% | $9.55 | +0.95 (+11.0%) | $12.86 | $16.32 | 8 | $151.32 (49%) | Prob → |
| MRK261023C00136000 | $136.00 | -9.3% | 100.0% | 100.0% | $12.84 | +3.48 (+37.2%) | $12.25 | $15.13 | 12 | $151.13 (54%) | Prob → |
| MRK261023C00137000 | $137.00 | -8.6% | 100.0% | 99.8% | $11.86 | +3.66 (+44.6%) | $11.68 | $14.33 | 12 | $151.33 (49%) | Prob → |
| MRK261023C00138000 | $138.00 | -7.9% | 100.0% | 99.8% | $10.85 | +0.58 (+5.6%) | $9.93 | $12.82 | 2 | $150.82 (62%) | Prob → |
| MRK261023C00139000 | $139.00 | -7.3% | 100.0% | 99.8% | $9.83 | +0.49 (+5.2%) | $9.38 | $11.15 | 10 | $150.15 (79%) | Prob → |
| MRK261023C00140000 | $140.00 | -6.6% | 100.0% | 99.8% | $8.89 | +0.59 (+7.1%) | $8.63 | $10.53 | 4 | $150.53 (69%) | Prob → |
| MRK261023C00141000 | $141.00 | -5.9% | 100.0% | 99.8% | $7.79 | +0.32 (+4.3%) | $6.88 | $10.00 | 8 | $151.00 (58%) | Prob → |
| MRK261023C00142000 | $142.00 | -5.3% | 100.0% | 99.4% | $6.79 | -0.03 (-0.4%) | $6.68 | $9.35 | 48 | $151.35 (48%) | Prob → |
| MRK261023C00143000 | $143.00 | -4.6% | 100.0% | 98.8% | $6.27 | +0.46 (+7.9%) | $5.82 | $8.22 | 316 | $151.22 (51%) | Prob → |
| MRK261023C00144000 | $144.00 | -3.9% | 100.0% | 98.3% | $5.00 | +0.15 (+3.1%) | $4.22 | $7.74 | 278 | $151.74 (39%) | Prob → |
| MRK261023C00145000 | $145.00 | -3.3% | 100.0% | 97.3% | $5.52 | +1.45 (+35.6%) | $3.69 | $5.52 | 32 | $150.52 (70%) | Prob → |
| MRK261023C00146000 | $146.00 | -2.6% | 100.0% | 95.8% | $4.26 | +1.21 (+39.7%) | $3.48 | $5.75 | 51 | $151.75 (39%) | Prob → |
| MRK261023C00147000 | $147.00 | -1.9% | 100.0% | 89.6% | $3.12 | +0.41 (+15.1%) | $3.16 | $4.79 | 17 | $151.79 (38%) | Prob → |
| MRK261023C00148000 | $148.00 | -1.3% | 100.0% | 81.0% | $2.17 | +0.13 (+6.4%) | $2.45 | $2.96 | 22 | $150.96 (60%) | Prob → |
| MRK261023C00149000 | $149.00 | -0.6% | 100.0% | 67.0% | $2.12 | +0.47 (+28.5%) | $1.83 | $2.29 | 64 | $151.29 (50%) | Prob → |
| MRK261023C00150000 | $150.00 | +0.1% | 82.7% | 47.6% | $1.56 | +0.35 (+28.9%) | $1.35 | $1.62 | 171 | $151.62 (42%) | Prob → |
| MRK261023C00152500 | $152.50 | +1.7% | 27.3% | 13.1% | $0.65 | +0.11 (+20.4%) | $0.58 | $0.72 | 284 | $153.22 (18%) | Prob → |
| MRK261023C00155000 | $155.00 | +3.4% | 6.0% | 3.5% | $0.24 | +0.03 (+14.3%) | $0.17 | $0.25 | 109 | $155.25 (5%) | Prob → |
| MRK261023C00157500 | $157.50 | +5.1% | 1.5% | 1.2% | $0.09 | +0.01 (+12.5%) | $0.04 | $0.11 | 19 | $157.61 (2%) | Prob → |
| MRK261023C00160000 | $160.00 | +6.8% | 0.8% | 0.6% | $0.01 | -0.03 (-75.0%) | $0.00 | $0.14 | 7 | $160.14 (1%) | Prob → |
| MRK261023C00162500 | $162.50 | +8.4% | 0.2% | 0.2% | $0.01 | -0.02 (-66.7%) | $0.00 | $0.06 | 10 | $162.56 (0%) | Prob → |
| MRK261023C00165000 | $165.00 | +10.1% | 0.2% | 0.2% | $0.15 | +0.05 (+50.0%) | $0.00 | $0.97 | 101 | $165.97 (0%) | Prob → |
| MRK261023C00167500 | $167.50 | +11.8% | 0.2% | 0.2% | $0.06 | +0.00 (+0.0%) | $0.00 | $0.44 | 2 | $167.94 (0%) | Prob → |
| MRK261023C00170000 | $170.00 | +13.4% | 0.2% | 0.0% | $0.03 | +0.02 (+200.0%) | $0.00 | $0.97 | 4 | $170.97 (0%) | Prob → |
| MRK261023C00172500 | $172.50 | +15.1% | 0.0% | 0.0% | $0.06 | -0.01 (-14.3%) | $0.00 | $2.15 | 3 | $174.65 (0%) | Prob → |
| MRK261023C00175000 | $175.00 | +16.8% | 0.0% | 0.0% | $0.09 | +0.02 (+28.6%) | $0.00 | $2.11 | 1 | $177.11 (0%) | Prob → |
| MRK261023C00177500 | $177.50 | +18.4% | 0.0% | 0.0% | $0.07 | -0.01 (-12.5%) | $0.00 | $2.15 | 1 | $179.65 (0%) | Prob → |
| MRK261023C00180000 | $180.00 | +20.1% | 0.0% | 0.0% | $0.07 | -0.01 (-12.5%) | $0.00 | $2.16 | 6 | $182.16 (0%) | Prob → |
| MRK261023C00182500 | $182.50 | +21.8% | 0.0% | 0.0% | $0.06 | -0.01 (-14.3%) | $0.00 | $2.11 | 2 | $184.61 (0%) | Prob → |
| MRK261023C00185000 | $185.00 | +23.4% | 0.0% | 0.0% | $0.36 | +0.27 (+300.0%) | $0.00 | $2.11 | 2 | $187.11 (0%) | Prob → |
| MRK261023C00190000 | $190.00 | +26.8% | 0.0% | 0.0% | $0.01 | — | $0.00 | $2.11 | 20 | $192.11 (0%) | Prob → |
| MRK261023C00195000 | $195.00 | +30.1% | 0.0% | 0.0% | — | — | $0.00 | $2.16 | — | $197.16 (0%) | Prob → |
| MRK261023C00200000 | $200.00 | +33.4% | 0.0% | 0.0% | — | — | $0.00 | $2.15 | — | $202.15 (0%) | Prob → |
| MRK261023C00205000 | $205.00 | +36.8% | 0.0% | 0.0% | — | — | $0.00 | $2.11 | — | $207.11 (0%) | Prob → |
| MRK261023C00210000 | $210.00 | +40.1% | 0.0% | 0.0% | — | — | $0.00 | $2.09 | — | $212.09 (0%) | Prob → |
| MRK261023C00215000 | $215.00 | +43.4% | 0.0% | 0.0% | — | — | $0.00 | $2.15 | — | $217.15 (0%) | Prob → |
| MRK261023C00220000 | $220.00 | +46.8% | 0.0% | 0.0% | — | — | $0.00 | $1.95 | — | $221.95 (0%) | Prob → |
| MRK261023C00225000 | $225.00 | +50.1% | 0.0% | 0.0% | — | — | $0.00 | $2.17 | — | $227.17 (0%) | Prob → |
Puts
| Contract | Strike | Move % | Touch Prob | Expire ITM % | Last | Change | Bid | Ask | Volume | Breakeven | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MRK261023P00080000 | $80.00 | -46.6% | 0.0% | 0.0% | $0.11 | +0.08 (+266.7%) | $0.00 | $2.15 | 2 | $77.85 (0%) | Prob → |
| MRK261023P00085000 | $85.00 | -43.3% | 0.0% | 0.0% | $0.65 | +0.53 (+441.7%) | $0.00 | $2.11 | 103 | $82.89 (0%) | Prob → |
| MRK261023P00090000 | $90.00 | -40.0% | 0.0% | 0.0% | $0.76 | +0.53 (+230.4%) | $0.00 | $2.17 | 1 | $87.83 (0%) | Prob → |
| MRK261023P00095000 | $95.00 | -36.6% | 0.0% | 0.0% | $0.06 | +0.05 (+500.0%) | $0.00 | $2.11 | 30 | $92.89 (0%) | Prob → |
| MRK261023P00100000 | $100.00 | -33.3% | 0.0% | 0.0% | $0.01 | +0.00 (+0.0%) | $0.00 | $0.05 | 6 | $99.95 (0%) | Prob → |
| MRK261023P00105000 | $105.00 | -29.9% | 0.0% | 0.0% | $0.04 | +0.02 (+100.0%) | $0.00 | $2.15 | 5 | $102.85 (0%) | Prob → |
| MRK261023P00110000 | $110.00 | -26.6% | 0.0% | 0.0% | $0.02 | -1.41 (-98.6%) | $0.00 | $2.16 | 5 | $107.84 (0%) | Prob → |
| MRK261023P00115000 | $115.00 | -23.3% | 0.0% | 0.0% | $0.03 | +0.02 (+200.0%) | $0.00 | $2.17 | 7 | $112.83 (0%) | Prob → |
| MRK261023P00120000 | $120.00 | -19.9% | 0.0% | 0.0% | $0.01 | -0.19 (-95.0%) | $0.00 | $0.22 | 54 | $119.78 (0%) | Prob → |
| MRK261023P00125000 | $125.00 | -16.6% | 0.0% | 0.0% | $0.02 | +0.00 (+0.0%) | $0.00 | $0.26 | 8 | $124.74 (0%) | Prob → |
| MRK261023P00129000 | $129.00 | -13.9% | 0.0% | 0.0% | $0.26 | +0.20 (+333.3%) | $0.00 | $0.85 | 1 | $128.15 (0%) | Prob → |
| MRK261023P00130000 | $130.00 | -13.3% | 0.0% | 0.0% | $0.01 | -0.01 (-50.0%) | $0.00 | $0.03 | 29 | $129.97 (0%) | Prob → |
| MRK261023P00131000 | $131.00 | -12.6% | 0.0% | 0.0% | $0.07 | +0.03 (+75.0%) | $0.00 | $0.07 | 5 | $130.93 (0%) | Prob → |
| MRK261023P00132000 | $132.00 | -11.9% | 0.2% | 0.0% | $0.06 | -0.03 (-33.3%) | $0.00 | $0.97 | 74 | $131.03 (0%) | Prob → |
| MRK261023P00133000 | $133.00 | -11.3% | 0.2% | 0.0% | $0.04 | -0.04 (-50.0%) | $0.00 | $0.97 | 10 | $132.03 (0%) | Prob → |
| MRK261023P00134000 | $134.00 | -10.6% | 0.2% | 0.0% | $0.03 | -0.07 (-70.0%) | $0.00 | $0.54 | 24 | $133.46 (0%) | Prob → |
| MRK261023P00135000 | $135.00 | -9.9% | 0.2% | 0.0% | $0.04 | -0.01 (-20.0%) | $0.00 | $0.08 | 2 | $134.92 (0%) | Prob → |
| MRK261023P00136000 | $136.00 | -9.3% | 0.2% | 0.0% | $0.03 | -0.02 (-40.0%) | $0.00 | $0.05 | 7 | $135.95 (0%) | Prob → |
| MRK261023P00137000 | $137.00 | -8.6% | 0.4% | 0.2% | $0.01 | -0.03 (-75.0%) | $0.00 | $0.13 | 112 | $136.87 (0%) | Prob → |
| MRK261023P00138000 | $138.00 | -7.9% | 0.4% | 0.2% | $0.06 | -0.01 (-14.3%) | $0.00 | $0.12 | 13 | $137.88 (0%) | Prob → |
| MRK261023P00139000 | $139.00 | -7.3% | 0.4% | 0.2% | $0.04 | -0.07 (-63.6%) | $0.00 | $0.10 | 9 | $138.90 (0%) | Prob → |
| MRK261023P00140000 | $140.00 | -6.6% | 0.6% | 0.2% | $0.05 | -0.06 (-54.5%) | $0.03 | $0.09 | 83 | $139.91 (1%) | Prob → |
| MRK261023P00141000 | $141.00 | -5.9% | 1.0% | 0.2% | $0.11 | -0.12 (-52.2%) | $0.03 | $0.14 | 14 | $140.86 (1%) | Prob → |
| MRK261023P00142000 | $142.00 | -5.3% | 1.3% | 0.6% | $0.07 | -0.23 (-76.7%) | $0.04 | $0.10 | 82 | $141.90 (1%) | Prob → |
| MRK261023P00143000 | $143.00 | -4.6% | 1.9% | 1.2% | $0.20 | -0.15 (-42.9%) | $0.01 | $0.27 | 227 | $142.73 (2%) | Prob → |
| MRK261023P00144000 | $144.00 | -3.9% | 2.9% | 1.7% | $0.19 | -0.30 (-61.2%) | $0.04 | $0.26 | 13 | $143.74 (3%) | Prob → |
| MRK261023P00145000 | $145.00 | -3.3% | 5.0% | 2.7% | $0.32 | -0.39 (-54.9%) | $0.15 | $0.51 | 52 | $144.49 (4%) | Prob → |
| MRK261023P00146000 | $146.00 | -2.6% | 10.6% | 4.2% | $0.35 | -0.65 (-65.0%) | $0.24 | $0.46 | 16 | $145.54 (6%) | Prob → |
| MRK261023P00147000 | $147.00 | -1.9% | 19.2% | 10.4% | $0.65 | -0.70 (-51.9%) | $0.40 | $0.76 | 23 | $146.24 (12%) | Prob → |
| MRK261023P00148000 | $148.00 | -1.3% | 36.7% | 19.0% | $0.83 | -1.04 (-55.6%) | $0.33 | $0.93 | 839 | $147.07 (20%) | Prob → |
| MRK261023P00149000 | $149.00 | -0.6% | 62.6% | 33.0% | $1.07 | -1.17 (-52.2%) | $0.98 | $1.81 | 13 | $147.19 (22%) | Prob → |
| MRK261023P00150000 | $150.00 | +0.1% | 100.0% | 52.4% | $2.24 | -0.73 (-24.6%) | $1.37 | $1.94 | 24 | $148.06 (37%) | Prob → |
| MRK261023P00152500 | $152.50 | +1.7% | 100.0% | 86.9% | $4.97 | -1.70 (-25.5%) | $2.87 | $3.83 | 1 | $148.67 (52%) | Prob → |
| MRK261023P00155000 | $155.00 | +3.4% | 100.0% | 96.5% | $7.21 | +1.22 (+20.4%) | $5.12 | $6.79 | 4 | $148.21 (40%) | Prob → |
| MRK261023P00157500 | $157.50 | +5.1% | 100.0% | 98.8% | — | — | $7.18 | $8.82 | — | $148.68 (52%) | Prob → |
| MRK261023P00160000 | $160.00 | +6.8% | 100.0% | 99.4% | $15.75 | — | $9.62 | $12.31 | 1 | $147.69 (31%) | Prob → |
| MRK261023P00162500 | $162.50 | +8.4% | 100.0% | 99.8% | $16.50 | — | $12.52 | $14.88 | 1 | $147.62 (29%) | Prob → |
| MRK261023P00165000 | $165.00 | +10.1% | 100.0% | 99.8% | — | — | $15.16 | $17.27 | — | $147.73 (32%) | Prob → |
| MRK261023P00167500 | $167.50 | +11.8% | 100.0% | 99.8% | — | — | $17.10 | $19.83 | — | $147.67 (30%) | Prob → |
| MRK261023P00170000 | $170.00 | +13.4% | 100.0% | 100.0% | — | — | $19.55 | $22.58 | — | $147.42 (26%) | Prob → |
| MRK261023P00172500 | $172.50 | +15.1% | 100.0% | 100.0% | — | — | $22.11 | $24.46 | — | $148.04 (37%) | Prob → |
| MRK261023P00175000 | $175.00 | +16.8% | 100.0% | 100.0% | — | — | $24.18 | $27.57 | — | $147.43 (26%) | Prob → |
| MRK261023P00177500 | $177.50 | +18.4% | 100.0% | 100.0% | — | — | $26.46 | $29.24 | — | $148.26 (41%) | Prob → |
| MRK261023P00180000 | $180.00 | +20.1% | 100.0% | 100.0% | — | — | $30.04 | $32.28 | — | $147.72 (31%) | Prob → |
| MRK261023P00182500 | $182.50 | +21.8% | 100.0% | 100.0% | $34.18 | — | $31.73 | $34.81 | 6 | $147.69 (31%) | Prob → |
| MRK261023P00185000 | $185.00 | +23.4% | 100.0% | 100.0% | $36.66 | — | $35.43 | $36.81 | 6 | $148.19 (40%) | Prob → |
| MRK261023P00190000 | $190.00 | +26.8% | 100.0% | 100.0% | — | — | $40.04 | $42.95 | — | $147.05 (20%) | Prob → |
| MRK261023P00195000 | $195.00 | +30.1% | 100.0% | 100.0% | — | — | $45.09 | $47.09 | — | $147.91 (34%) | Prob → |
| MRK261023P00200000 | $200.00 | +33.4% | 100.0% | 100.0% | — | — | $48.57 | $52.92 | — | $147.08 (20%) | Prob → |
| MRK261023P00205000 | $205.00 | +36.8% | 100.0% | 100.0% | — | — | $53.03 | $56.57 | — | $148.43 (45%) | Prob → |
| MRK261023P00210000 | $210.00 | +40.1% | 100.0% | 100.0% | — | — | $58.93 | $61.89 | — | $148.11 (39%) | Prob → |
| MRK261023P00215000 | $215.00 | +43.4% | 100.0% | 100.0% | — | — | $64.14 | $66.71 | — | $148.29 (41%) | Prob → |
| MRK261023P00220000 | $220.00 | +46.8% | 100.0% | 100.0% | — | — | $69.35 | $70.81 | — | $149.19 (66%) | Prob → |
| MRK261023P00225000 | $225.00 | +50.1% | 100.0% | 100.0% | — | — | $72.70 | $75.73 | — | $149.27 (69%) | Prob → |