MRK option chain Merck & Co., Inc.
Each row is one strike. The left half is the call, the right half the put. Bid/ask are what buyers and sellers currently quote; volume is contracts traded this session; open interest is standing contracts. The highlighted row sits closest to the stock price.
This expiration prices a move of about ±8.5% (132.75–157.50) · ATM IV 35.9% · P/C open interest 0.91
| CALLS | Strike | PUTS | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bid | Ask | Vol | OIThe number of option contracts currently outstanding at a strike or expiration. High open interest shows where positions are concentrated. | IV | ΔModel sensitivity of an option's price to a $1 move in the stock; also used as a rough moneyness scale (a 25-delta option is well out of the money). | Γ | Θ | Bid | Ask | Vol | OI | IV | Δ | Γ | Θ | |
| 69.50 | 72.45 | 125.6% | 1.00 | 0.0001 | 0.000 | 75 | 0 | 0.1000 | 88.7% | -0.00 | 0.0001 | -0.001 | ||||
| 64.55 | 67.45 | 1 | 114.9% | 1.00 | 0.0001 | 0.000 | 80 | 0 | 0.3300 | 93.9% | -0.00 | 0.0001 | -0.001 | |||
| 59.55 | 62.50 | 104.8% | 1.00 | 0.0002 | 0.000 | 85 | 0 | 0.5200 | 3 | 91.3% | -0.00 | 0.0002 | -0.002 | |||
| 54.65 | 57.30 | 92.8% | 1.00 | 0.0003 | 0.000 | 90 | 0 | 0.3800 | 78.8% | -0.00 | 0.0003 | -0.003 | ||||
| 49.70 | 52.55 | 87.7% | 1.00 | 0.0005 | 0.000 | 95 | 0 | 0.1400 | 2 | 61.8% | -0.00 | 0.0005 | -0.005 | |||
| 44.75 | 47.60 | 21 | 79.5% | 0.99 | 0.0008 | -0.001 | 100 | 0 | 0.1500 | 147 | 55.5% | -0.01 | 0.0008 | -0.007 | ||
| 39.80 | 42.65 | 1 | 71.5% | 0.99 | 0.0013 | -0.004 | 105 | 0 | 0.1900 | 41 | 50.7% | -0.01 | 0.0013 | -0.009 | ||
| 34.85 | 37.70 | 32 | 63.7% | 0.98 | 0.0021 | -0.008 | 110 | 0 | 0.2600 | 1,819 | 46.4% | -0.02 | 0.0022 | -0.013 | ||
| 30.30 | 32.85 | 19 | 60.2% | 0.97 | 0.0035 | -0.015 | 115 | 0.0800 | 0.3500 | 129 | 43.4% | -0.03 | 0.0035 | -0.018 | ||
| 25.60 | 27.75 | 38 | 52.9% | 0.95 | 0.0058 | -0.025 | 120 | 0.2700 | 0.5500 | 2 | 632 | 41.7% | -0.05 | 0.0059 | -0.028 | |
| 21.05 | 23.25 | 2 | 1,050 | 49.6% | 0.91 | 0.0093 | -0.039 | 125 | 0.5600 | 0.8900 | 2 | 2,141 | 39.7% | -0.09 | 0.0093 | -0.042 |
| 16.70 | 19.00 | 228 | 46.8% | 0.85 | 0.0138 | -0.056 | 130 | 1.20 | 1.34 | 91 | 2,752 | 38.0% | -0.15 | 0.0139 | -0.059 | |
| 13.35 | 15.80 | 44.3% | 0.79 | 0.0178 | -0.071 | 134 | 1.63 | 2.19 | 36.4% | -0.21 | 0.0179 | -0.073 | ||||
| 12.60 | 14.85 | 159 | 43.3% | 0.77 | 0.0188 | -0.074 | 135 | 2.12 | 2.35 | 26 | 9,934 | 37.0% | -0.23 | 0.0189 | -0.076 | |
| 11.85 | 13.55 | 40.9% | 0.75 | 0.0197 | -0.077 | 136 | 2.17 | 2.64 | 1 | 36.3% | -0.25 | 0.0199 | -0.079 | |||
| 11.10 | 13.55 | 43.0% | 0.73 | 0.0207 | -0.080 | 137 | 2.32 | 2.96 | 1 | 35.9% | -0.27 | 0.0209 | -0.082 | |||
| 10.55 | 12.85 | 43.1% | 0.71 | 0.0216 | -0.083 | 138 | 2.53 | 3.20 | 35.3% | -0.29 | 0.0218 | -0.085 | ||||
| 9.75 | 12.15 | 42.4% | 0.69 | 0.0224 | -0.086 | 139 | 3.20 | 3.55 | 1 | 36.4% | -0.32 | 0.0226 | -0.087 | |||
| 9.10 | 10.35 | 10 | 609 | 38.4% | 0.66 | 0.0231 | -0.088 | 140 | 3.55 | 3.90 | 9 | 4,235 | 36.3% | -0.34 | 0.0234 | -0.090 |
| 8.50 | 9.15 | 36.6% | 0.64 | 0.0238 | -0.090 | 141 | 3.45 | 4.30 | 34.8% | -0.36 | 0.0241 | -0.092 | ||||
| 8.00 | 8.55 | 36.8% | 0.62 | 0.0244 | -0.092 | 142 | 4.30 | 4.70 | 36.1% | -0.39 | 0.0247 | -0.093 | ||||
| 7.35 | 8.00 | 36.5% | 0.59 | 0.0249 | -0.093 | 143 | 4.40 | 5.20 | 35.3% | -0.41 | 0.0252 | -0.095 | ||||
| 6.85 | 7.45 | 36.6% | 0.57 | 0.0253 | -0.094 | 144 | 4.50 | 5.60 | 34.1% | -0.44 | 0.0256 | -0.096 | ||||
| 6.35 | 6.75 | 117 | 5,258 | 36.0% | 0.54 | 0.0256 | -0.095 | 145 | 5.65 | 6.00 | 26 | 4,168 | 35.7% | -0.46 | 0.0260 | -0.096 |
| 5.85 | 6.45 | 36.5% | 0.51 | 0.0258 | -0.095 | 146 | 5.75 | 6.60 | 34.7% | -0.49 | 0.0262 | -0.097 | ||||
| 5.30 | 5.70 | 35.4% | 0.49 | 0.0258 | -0.095 | 147 | 6.45 | 7.15 | 1 | 35.2% | -0.52 | 0.0263 | -0.096 | |||
| 4.95 | 5.35 | 1 | 35.9% | 0.46 | 0.0258 | -0.095 | 148 | 7.20 | 7.70 | 35.7% | -0.54 | 0.0262 | -0.096 | |||
| 4.50 | 5.05 | 36.0% | 0.44 | 0.0256 | -0.094 | 149 | 7.35 | 8.25 | 34.2% | -0.57 | 0.0261 | -0.095 | ||||
| 4.15 | 4.50 | 56 | 5,970 | 35.7% | 0.41 | 0.0253 | -0.092 | 150 | 8.55 | 8.85 | 1,378 | 35.8% | -0.59 | 0.0259 | -0.094 | |
| 3.25 | 3.70 | 6 | 35.7% | 0.35 | 0.0242 | -0.088 | 152.5 | 10.05 | 10.70 | 36.0% | -0.65 | 0.0248 | -0.089 | |||
| 2.61 | 2.77 | 14 | 3,631 | 35.3% | 0.30 | 0.0226 | -0.082 | 155 | 11.90 | 12.55 | 339 | 36.4% | -0.71 | 0.0233 | -0.083 | |
| 1.97 | 2.39 | 35.8% | 0.25 | 0.0206 | -0.074 | 157.5 | 12.10 | 14.35 | 29.0% | -0.76 | 0.0214 | -0.076 | ||||
| 1.54 | 1.75 | 31 | 5,337 | 35.4% | 0.20 | 0.0184 | -0.067 | 160 | 15.25 | 16.55 | 142 | 34.1% | -0.81 | 0.0192 | -0.068 | |
| 1.16 | 1.50 | 36.1% | 0.17 | 0.0161 | -0.059 | 162.5 | 16.20 | 18.65 | 24.4% | -0.85 | 0.0170 | -0.060 | ||||
| 0.8900 | 1.11 | 13 | 3,960 | 36.0% | 0.13 | 0.0139 | -0.051 | 165 | 18.75 | 20.95 | 31 | -0.88 | 0.0149 | -0.052 | ||
| 0.6400 | 1.18 | 37.9% | 0.11 | 0.0118 | -0.043 | 167.5 | 20.70 | 23.15 | -0.91 | 0.0129 | -0.045 | |||||
| 0.4600 | 0.7700 | 6 | 2,124 | 36.8% | 0.09 | 0.0099 | -0.037 | 170 | 23.10 | 25.60 | 47 | -0.94 | 0.0111 | -0.039 | ||
| 0.2700 | 0.3900 | 42 | 1,084 | 36.7% | 0.05 | 0.0069 | -0.026 | 175 | 27.90 | 30.30 | -0.97 | 0.0080 | -0.028 | |||
| 0.1000 | 0.4400 | 738 | 39.6% | 0.04 | 0.0048 | -0.019 | 180 | 32.85 | 35.70 | -0.99 | 0.0046 | -0.019 | ||||
| 0.0200 | 0.3100 | 100 | 40.2% | 0.03 | 0.0034 | -0.015 | 185 | 37.80 | 40.70 | -1.00 | 0.0017 | -0.017 | ||||
| 0 | 0.2300 | 230 | 41.6% | 0.02 | 0.0026 | -0.012 | 190 | 42.80 | 45.80 | -1.00 | 0.0005 | -0.016 | ||||
| 0 | 0.1900 | 10 | 43.9% | 0.01 | 0.0020 | -0.010 | 195 | 47.80 | 50.70 | -1.00 | 0.0000 | -0.016 | ||||
| 0 | 0.1000 | 12 | 43.5% | 0.01 | 0.0016 | -0.009 | 200 | 52.80 | 55.80 | -1.00 | 0.0000 | -0.016 | ||||
| 0 | 0.1400 | 2 | 51.2% | 0.01 | 0.0010 | -0.007 | 210 | 62.80 | 65.80 | -1.00 | 0.0000 | -0.016 | ||||
Strikes shown: within ±50% of the underlying price. Intrinsic value = max(0, price − strike) for calls, max(0, strike − price) for puts; extrinsic = option price − intrinsic. Greeks and IV as computed by the exchange feed.
Volatility smile — Nov 20, 2026
Volatility page →Implied volatility per strike for this expiration. Out-of-the-money puts usually price higher IV than calls — the skew.