Options Chain for MERCK & CO INC COM (MRK) - $135.04 as of 8/17/2026 5:31:44 PM EST
Calls
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 65.00 | 69.85 | 72.10 | 70.98 | % | 1.09 | 0 | 0 | 0.91 | 1.00 | 0.00 | 0.00 | 8/17/2026 4:00:03 PM EST | |||
| 70.00 | 64.45 | 67.50 | 65.98 | % | 0.94 | 0 | 0 | 0.89 | 1.00 | 0.00 | 0.00 | 8/17/2026 4:00:03 PM EST | |||
| 75.00 | 59.85 | 62.15 | 61.00 | % | 0.81 | 0 | 0 | 0.75 | 1.00 | 0.00 | 0.00 | 8/17/2026 4:00:03 PM EST | |||
| 80.00 | 54.50 | 57.15 | 55.83 | % | 0.70 | 0 | 0 | 0.66 | 0.99 | 0.00 | 0.00 | 8/17/2026 4:00:03 PM EST | |||
| 85.00 | 50.05 | 52.60 | 51.33 | 50.47 | 0.00 | 0.00% | 0.60 | 0 | 1 | 0.67 | 0.99 | 0.00 | 0.00 | 8/14/2026 | 8/17/2026 4:00:03 PM EST |
| 90.00 | 44.35 | 47.65 | 46.00 | % | 0.51 | 0 | 0 | 0.59 | 0.98 | 0.00 | -0.01 | 8/17/2026 4:00:03 PM EST | |||
| 95.00 | 39.70 | 43.45 | 41.58 | 38.61 | 0.00 | 0.00% | 0.44 | 0 | 10 | 0.60 | 0.97 | 0.00 | -0.01 | 8/12/2026 | 8/17/2026 4:00:03 PM EST |
| 100.00 | 35.50 | 37.30 | 36.40 | 36.33 | +2.26 | +6.64% | 0.36 | 1 | 18 | 0.42 | 0.96 | 0.00 | -0.01 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 105.00 | 30.80 | 32.55 | 31.68 | % | 0.30 | 0 | 0 | 0.39 | 0.93 | 0.00 | -0.02 | 8/17/2026 4:00:03 PM EST | |||
| 110.00 | 26.15 | 27.90 | 27.03 | 24.40 | 0.00 | 0.00% | 0.25 | 0 | 15 | 0.36 | 0.90 | 0.01 | -0.02 | 8/12/2026 | 8/17/2026 4:00:03 PM EST |
| 115.00 | 21.55 | 23.40 | 22.48 | 22.02 | 0.00 | 0.00% | 0.20 | 0 | 8 | 0.34 | 0.86 | 0.01 | -0.03 | 8/13/2026 | 8/17/2026 4:00:03 PM EST |
| 120.00 | 17.95 | 19.55 | 18.75 | 18.56 | +3.15 | +20.45% | 0.16 | 24 | 2 | 0.31 | 0.80 | 0.01 | -0.03 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 125.00 | 14.25 | 15.60 | 14.93 | 15.01 | +1.94 | +14.85% | 0.12 | 5 | 1 | 0.31 | 0.73 | 0.02 | -0.04 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 130.00 | 10.80 | 12.30 | 11.55 | 11.79 | +1.29 | +12.29% | 0.09 | 3 | 108 | 0.30 | 0.65 | 0.02 | -0.04 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 135.00 | 8.50 | 8.80 | 8.65 | 8.54 | -0.04 | -0.47% | 0.06 | 18 | 31 | 0.30 | 0.55 | 0.02 | -0.04 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 140.00 | 6.10 | 6.35 | 6.23 | 6.15 | +0.03 | +0.49% | 0.04 | 66 | 76 | 0.29 | 0.44 | 0.02 | -0.04 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 145.00 | 4.30 | 4.55 | 4.43 | 4.30 | -0.20 | -4.45% | 0.03 | 41 | 330 | 0.29 | 0.34 | 0.02 | -0.04 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 150.00 | 2.95 | 3.10 | 3.03 | 3.00 | -0.10 | -3.23% | 0.02 | 10,161 | 58 | 0.29 | 0.26 | 0.02 | -0.03 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 155.00 | 1.97 | 2.18 | 2.08 | 2.10 | +0.01 | +0.48% | 0.01 | 51 | 8 | 0.29 | 0.19 | 0.01 | -0.03 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 160.00 | 1.15 | 1.44 | 1.30 | 1.30 | -0.23 | -15.04% | 0.01 | 8 | 31 | 0.28 | 0.14 | 0.01 | -0.02 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 165.00 | 0.67 | 1.14 | 0.91 | % | 0.01 | 0 | 0 | 0.29 | 0.10 | 0.01 | -0.02 | 8/17/2026 4:00:03 PM EST | |||
| 170.00 | 0.58 | 0.71 | 0.65 | 0.62 | -0.06 | -8.83% | 0.00 | 20 | 15 | 0.30 | 0.07 | 0.01 | -0.01 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 175.00 | 0.35 | 0.52 | 0.44 | 0.45 | % | 0.00 | 20 | 0 | 0.30 | 0.05 | 0.01 | -0.01 | 8/17/2026 | 8/17/2026 4:00:03 PM EST | |
| 180.00 | 0.16 | 0.41 | 0.29 | % | 0.00 | 0 | 0 | 0.30 | 0.04 | 0.00 | -0.01 | 8/17/2026 4:00:03 PM EST |
Puts
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 65.00 | 0.00 | 0.74 | 0.37 | % | 0.01 | 0 | 0 | 0.86 | 0.00 | 0.00 | 0.00 | 8/17/2026 4:00:03 PM EST | |||
| 70.00 | 0.00 | 0.20 | 0.10 | % | 0.00 | 0 | 0 | 0.63 | 0.00 | 0.00 | 0.00 | 8/17/2026 4:00:03 PM EST | |||
| 75.00 | 0.00 | 0.18 | 0.09 | % | 0.00 | 0 | 0 | 0.56 | 0.00 | 0.00 | 0.00 | 8/17/2026 4:00:03 PM EST | |||
| 80.00 | 0.02 | 0.19 | 0.11 | % | 0.00 | 0 | 0 | 0.45 | -0.01 | 0.00 | 0.00 | 8/17/2026 4:00:03 PM EST | |||
| 85.00 | 0.00 | 0.20 | 0.10 | 0.11 | 0.00 | 0.00% | 0.00 | 0 | 3 | 0.46 | -0.01 | 0.00 | 0.00 | 8/14/2026 | 8/17/2026 4:00:03 PM EST |
| 90.00 | 0.08 | 0.30 | 0.19 | % | 0.00 | 0 | 0 | 0.40 | -0.02 | 0.00 | -0.01 | 8/17/2026 4:00:03 PM EST | |||
| 95.00 | 0.12 | 0.43 | 0.28 | 0.39 | 0.00 | 0.00% | 0.00 | 0 | 1 | 0.38 | -0.03 | 0.00 | -0.01 | 8/14/2026 | 8/17/2026 4:00:03 PM EST |
| 100.00 | 0.24 | 0.61 | 0.43 | 0.39 | 0.00 | 0.00% | 0.00 | 0 | 18 | 0.36 | -0.04 | 0.00 | -0.01 | 8/14/2026 | 8/17/2026 4:00:03 PM EST |
| 105.00 | 0.46 | 0.59 | 0.53 | 0.55 | -0.13 | -19.12% | 0.01 | 19 | 25 | 0.33 | -0.07 | 0.00 | -0.02 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 110.00 | 0.74 | 0.98 | 0.86 | 0.87 | -0.14 | -13.87% | 0.01 | 20 | 6 | 0.32 | -0.10 | 0.01 | -0.02 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 115.00 | 1.12 | 1.76 | 1.44 | 1.76 | 0.00 | 0.00% | 0.01 | 0 | 49 | 0.31 | -0.14 | 0.01 | -0.03 | 8/14/2026 | 8/17/2026 4:00:03 PM EST |
| 120.00 | 2.11 | 2.31 | 2.21 | 2.19 | -0.16 | -6.81% | 0.02 | 10 | 120 | 0.30 | -0.20 | 0.01 | -0.03 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 125.00 | 3.25 | 3.70 | 3.48 | 3.40 | -0.20 | -5.56% | 0.03 | 65 | 171 | 0.30 | -0.27 | 0.02 | -0.04 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 130.00 | 4.85 | 5.45 | 5.15 | 5.00 | -0.15 | -2.92% | 0.04 | 12 | 24 | 0.29 | -0.35 | 0.02 | -0.04 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 135.00 | 6.95 | 7.75 | 7.35 | 7.30 | -0.35 | -4.58% | 0.05 | 37 | 62 | 0.29 | -0.45 | 0.02 | -0.04 | 8/17/2026 | 8/17/2026 4:00:03 PM EST |
| 140.00 | 9.55 | 10.45 | 10.00 | 10.41 | 0.00 | 0.00% | 0.07 | 0 | 0 | 0.28 | -0.56 | 0.02 | -0.04 | 8/14/2026 | 8/17/2026 4:00:03 PM EST |
| 145.00 | 12.65 | 14.15 | 13.40 | 13.70 | 0.00 | 0.00% | 0.09 | 0 | 50 | 0.28 | -0.66 | 0.02 | -0.04 | 8/14/2026 | 8/17/2026 4:00:03 PM EST |
| 150.00 | 16.30 | 18.35 | 17.33 | % | 0.12 | 0 | 0 | 0.29 | -0.74 | 0.02 | -0.03 | 8/17/2026 4:00:03 PM EST | |||
| 155.00 | 19.65 | 22.20 | 20.93 | % | 0.14 | 0 | 0 | 0.26 | -0.81 | 0.01 | -0.03 | 8/17/2026 4:00:03 PM EST | |||
| 160.00 | 23.95 | 26.70 | 25.33 | % | 0.16 | 0 | 0 | 0.36 | -0.86 | 0.01 | -0.02 | 8/17/2026 4:00:03 PM EST | |||
| 165.00 | 28.60 | 30.95 | 29.78 | % | 0.18 | 0 | 0 | 0.35 | -0.90 | 0.01 | -0.02 | 8/17/2026 4:00:03 PM EST | |||
| 170.00 | 33.40 | 36.20 | 34.80 | % | 0.20 | 0 | 0 | 0.40 | -0.93 | 0.01 | -0.01 | 8/17/2026 4:00:03 PM EST | |||
| 175.00 | 38.25 | 41.15 | 39.70 | % | 0.23 | 0 | 0 | 0.43 | -0.95 | 0.01 | -0.01 | 8/17/2026 4:00:03 PM EST | |||
| 180.00 | 43.05 | 46.35 | 44.70 | % | 0.25 | 0 | 0 | 0.48 | -0.96 | 0.00 | -0.01 | 8/17/2026 4:00:03 PM EST |