Options Chain for MERCK & CO INC COM (MRK) - $145.37 as of 10/1/2026 6:15:54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 133.00 | 13.25 | 14.45 | 13.85 | % | 0.10 | 0 | 0 | 0.33 | 0.78 | 0.02 | -0.08 | 10/1/2026 4:00:15 PM EST | |||
| 134.00 | 12.50 | 15.00 | 13.75 | % | 0.10 | 0 | 0 | 0.37 | 0.76 | 0.02 | -0.08 | 10/1/2026 4:00:15 PM EST | |||
| 135.00 | 12.00 | 13.85 | 12.93 | % | 0.10 | 0 | 0 | 0.36 | 0.74 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 136.00 | 11.05 | 13.60 | 12.33 | % | 0.09 | 0 | 0 | 0.36 | 0.72 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 137.00 | 10.60 | 11.60 | 11.10 | % | 0.08 | 0 | 0 | 0.33 | 0.70 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 138.00 | 9.95 | 11.85 | 10.90 | % | 0.08 | 0 | 0 | 0.36 | 0.68 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 139.00 | 9.35 | 11.05 | 10.20 | % | 0.07 | 0 | 0 | 0.35 | 0.66 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 140.00 | 8.80 | 11.10 | 9.95 | % | 0.07 | 0 | 0 | 0.37 | 0.64 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 141.00 | 8.05 | 10.10 | 9.08 | % | 0.06 | 0 | 0 | 0.36 | 0.62 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 142.00 | 7.35 | 9.95 | 8.65 | % | 0.06 | 0 | 0 | 0.36 | 0.59 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 143.00 | 6.00 | 8.10 | 7.05 | % | 0.05 | 0 | 0 | 0.31 | 0.57 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 144.00 | 6.65 | 8.30 | 7.48 | % | 0.05 | 0 | 0 | 0.36 | 0.55 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 145.00 | 6.05 | 6.85 | 6.45 | % | 0.04 | 0 | 0 | 0.33 | 0.52 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 146.00 | 5.80 | 6.90 | 6.35 | % | 0.04 | 0 | 0 | 0.35 | 0.50 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 147.00 | 5.30 | 6.40 | 5.85 | % | 0.04 | 0 | 0 | 0.34 | 0.48 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 148.00 | 4.90 | 7.15 | 6.03 | % | 0.04 | 0 | 0 | 0.37 | 0.45 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 149.00 | 3.65 | 6.15 | 4.90 | % | 0.03 | 0 | 0 | 0.34 | 0.43 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 150.00 | 4.25 | 5.20 | 4.73 | % | 0.03 | 0 | 0 | 0.35 | 0.41 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 152.50 | 2.08 | 4.60 | 3.34 | % | 0.02 | 0 | 0 | 0.31 | 0.35 | 0.02 | -0.08 | 10/1/2026 4:00:15 PM EST | |||
| 155.00 | 2.64 | 4.00 | 3.32 | % | 0.02 | 0 | 0 | 0.35 | 0.31 | 0.02 | -0.08 | 10/1/2026 4:00:15 PM EST | |||
| 157.50 | 1.88 | 3.65 | 2.77 | % | 0.02 | 0 | 0 | 0.36 | 0.26 | 0.02 | -0.07 | 10/1/2026 4:00:15 PM EST | |||
| 160.00 | 1.70 | 2.20 | 1.95 | % | 0.01 | 0 | 0 | 0.34 | 0.22 | 0.02 | -0.07 | 10/1/2026 4:00:15 PM EST | |||
| 162.50 | 0.50 | 2.64 | 1.57 | % | 0.01 | 0 | 0 | 0.33 | 0.19 | 0.02 | -0.06 | 10/1/2026 4:00:15 PM EST | |||
| 165.00 | 0.91 | 1.80 | 1.36 | % | 0.01 | 0 | 0 | 0.35 | 0.16 | 0.01 | -0.05 | 10/1/2026 4:00:15 PM EST | |||
| 167.50 | 0.75 | 1.80 | 1.28 | % | 0.01 | 0 | 0 | 0.37 | 0.13 | 0.01 | -0.05 | 10/1/2026 4:00:15 PM EST | |||
| 170.00 | 0.52 | 1.33 | 0.93 | % | 0.01 | 0 | 0 | 0.36 | 0.11 | 0.01 | -0.04 | 10/1/2026 4:00:15 PM EST | |||
| 175.00 | 0.35 | 0.92 | 0.64 | % | 0.00 | 0 | 0 | 0.37 | 0.08 | 0.01 | -0.03 | 10/1/2026 4:00:15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 133.00 | 0.51 | 4.40 | 2.46 | % | 0.02 | 0 | 0 | 0.34 | -0.22 | 0.02 | -0.08 | 10/1/2026 4:00:15 PM EST | |||
| 134.00 | 0.77 | 3.40 | 2.09 | % | 0.02 | 0 | 0 | 0.31 | -0.24 | 0.02 | -0.08 | 10/1/2026 4:00:15 PM EST | |||
| 135.00 | 1.04 | 4.85 | 2.95 | % | 0.02 | 0 | 0 | 0.35 | -0.26 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 136.00 | 2.81 | 3.85 | 3.33 | % | 0.02 | 0 | 0 | 0.36 | -0.28 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 137.00 | 3.40 | 3.95 | 3.68 | 3.77 | % | 0.03 | 3 | 0 | 0.36 | -0.30 | 0.02 | -0.09 | 10/1/2026 | 10/1/2026 4:00:15 PM EST | |
| 138.00 | 3.40 | 5.50 | 4.45 | 4.10 | % | 0.03 | 2 | 0 | 0.38 | -0.32 | 0.02 | -0.09 | 10/1/2026 | 10/1/2026 4:00:15 PM EST | |
| 139.00 | 4.10 | 5.10 | 4.60 | % | 0.03 | 0 | 0 | 0.37 | -0.34 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 140.00 | 4.40 | 5.30 | 4.85 | % | 0.03 | 0 | 0 | 0.36 | -0.36 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 141.00 | 4.50 | 5.60 | 5.05 | % | 0.04 | 0 | 0 | 0.35 | -0.38 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 142.00 | 5.45 | 5.85 | 5.65 | % | 0.04 | 0 | 0 | 0.36 | -0.41 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 143.00 | 4.15 | 6.55 | 5.35 | % | 0.04 | 0 | 0 | 0.32 | -0.43 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 144.00 | 4.65 | 8.05 | 6.35 | % | 0.04 | 0 | 0 | 0.34 | -0.45 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 145.00 | 6.25 | 7.80 | 7.03 | % | 0.05 | 0 | 0 | 0.35 | -0.48 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 146.00 | 5.85 | 9.05 | 7.45 | % | 0.05 | 0 | 0 | 0.34 | -0.50 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 147.00 | 6.90 | 8.80 | 7.85 | % | 0.05 | 0 | 0 | 0.34 | -0.52 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 148.00 | 8.45 | 9.40 | 8.93 | % | 0.06 | 0 | 0 | 0.36 | -0.55 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 149.00 | 7.55 | 10.05 | 8.80 | % | 0.06 | 0 | 0 | 0.32 | -0.57 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 150.00 | 9.30 | 10.65 | 9.98 | % | 0.07 | 0 | 0 | 0.35 | -0.59 | 0.02 | -0.09 | 10/1/2026 4:00:15 PM EST | |||
| 152.50 | 9.90 | 12.85 | 11.38 | % | 0.07 | 0 | 0 | 0.33 | -0.65 | 0.02 | -0.08 | 10/1/2026 4:00:15 PM EST | |||
| 155.00 | 11.70 | 14.50 | 13.10 | % | 0.08 | 0 | 0 | 0.32 | -0.69 | 0.02 | -0.08 | 10/1/2026 4:00:15 PM EST | |||
| 157.50 | 13.65 | 16.40 | 15.03 | % | 0.10 | 0 | 0 | 0.41 | -0.74 | 0.02 | -0.07 | 10/1/2026 4:00:15 PM EST | |||
| 160.00 | 15.70 | 18.30 | 17.00 | % | 0.11 | 0 | 0 | 0.41 | -0.78 | 0.02 | -0.07 | 10/1/2026 4:00:15 PM EST | |||
| 162.50 | 18.75 | 20.50 | 19.63 | % | 0.12 | 0 | 0 | 0.43 | -0.81 | 0.02 | -0.06 | 10/1/2026 4:00:15 PM EST | |||
| 165.00 | 20.05 | 22.65 | 21.35 | % | 0.13 | 0 | 0 | 0.43 | -0.84 | 0.01 | -0.05 | 10/1/2026 4:00:15 PM EST | |||
| 167.50 | 22.35 | 25.25 | 23.80 | % | 0.14 | 0 | 0 | 0.47 | -0.87 | 0.01 | -0.05 | 10/1/2026 4:00:15 PM EST | |||
| 170.00 | 24.70 | 27.60 | 26.15 | % | 0.15 | 0 | 0 | 0.48 | -0.89 | 0.01 | -0.04 | 10/1/2026 4:00:15 PM EST | |||
| 175.00 | 29.60 | 32.45 | 31.03 | % | 0.18 | 0 | 0 | 0.52 | -0.92 | 0.01 | -0.03 | 10/1/2026 4:00:15 PM EST |