XBI option chain State Street SPDR S&P Biotech ETF
Cboe delayed options data · as of 21:40 UTC
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 ±1.4% (161.88–166.53) · ATM IV 33.1% · P/C open interest 1.90
| 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 | |
| 77.70 | 80.10 | 1.00 | 0.0000 | 0.000 | 85 | 0 | 0.0200 | 3 | 418.7% | 0.00 | 0.0000 | 0.000 | ||||
| 72.70 | 75.10 | 1 | 1.00 | 0.0000 | 0.000 | 90 | 0 | 0.8200 | 598.1% | 0.00 | 0.0000 | 0.000 | ||||
| 67.70 | 70.10 | 1.00 | 0.0000 | 0.000 | 95 | 0 | 0.2200 | 1 | 332.4% | 0.00 | 0.0000 | 0.000 | ||||
| 62.45 | 66.10 | 1.00 | 0.0000 | 0.000 | 100 | 0 | 0.0200 | 2 | 321.1% | 0.00 | 0.0000 | 0.000 | ||||
| 57.70 | 60.10 | 1.00 | 0.0000 | 0.000 | 105 | 0 | 0.4200 | 1 | 414.1% | 0.00 | 0.0000 | 0.000 | ||||
| 52.70 | 55.10 | 1.00 | 0.0000 | 0.000 | 110 | 0 | 0.6200 | 1 | 400.3% | 0.00 | 0.0000 | 0.000 | ||||
| 47.70 | 50.10 | 1.00 | 0.0000 | 0.000 | 115 | 0 | 0.4200 | 2 | 339.4% | 0.00 | 0.0000 | 0.000 | ||||
| 42.65 | 45.10 | 1.00 | 0.0000 | 0.000 | 120 | 0 | 0.2200 | 10 | 276.0% | 0.00 | 0.0000 | 0.000 | ||||
| 37.70 | 40.10 | 2 | 1.00 | 0.0000 | 0.000 | 125 | 0 | 0.2200 | 9 | 244.2% | 0.00 | 0.0000 | -0.000 | |||
| 32.65 | 35.15 | 1 | 1.00 | 0.0000 | 0.000 | 130 | 0 | 0.1600 | 34 | 204.0% | -0.00 | 0.0000 | -0.000 | |||
| 27.45 | 31.05 | 10 | 1.00 | 0.0000 | 0.000 | 135 | 0 | 0.1600 | 46 | 175.0% | -0.00 | 0.0000 | -0.000 | |||
| 26.45 | 30.05 | 1.00 | 0.0001 | 0.000 | 136 | 0 | 0.2600 | 3 | 182.2% | -0.00 | 0.0001 | -0.000 | ||||
| 26.05 | 28.15 | 1.00 | 0.0001 | 0.000 | 137 | 0 | 0.0700 | 5 | 146.5% | -0.00 | 0.0001 | -0.000 | ||||
| 24.70 | 27.15 | 1 | 1.00 | 0.0001 | 0.000 | 138 | 0 | 0.1600 | 9 | 157.9% | -0.00 | 0.0001 | -0.000 | |||
| 23.75 | 26.10 | 1.00 | 0.0001 | 0.000 | 139 | 0 | 0.1600 | 10 | 152.3% | -0.00 | 0.0001 | -0.000 | ||||
| 22.45 | 25.10 | 1 | 10 | 1.00 | 0.0001 | 0.000 | 140 | 0 | 0.1600 | 36 | 146.6% | -0.00 | 0.0001 | -0.001 | ||
| 21.65 | 24.15 | 1 | 1 | 1.00 | 0.0002 | 0.000 | 141 | 0 | 0.3600 | 7 | 161.0% | -0.00 | 0.0002 | -0.001 | ||
| 20.75 | 23.15 | 1 | 1.00 | 0.0002 | 0.000 | 142 | 0 | 0.1600 | 29 | 135.4% | -0.00 | 0.0002 | -0.001 | |||
| 19.45 | 23.10 | 1 | 1.00 | 0.0002 | 0.000 | 143 | 0 | 0.1600 | 3 | 73 | 129.9% | -0.00 | 0.0002 | -0.001 | ||
| 18.45 | 22.10 | 86 | 1.00 | 0.0003 | 0.000 | 144 | 0 | 0.2600 | 6 | 25 | 134.5% | -0.00 | 0.0003 | -0.001 | ||
| 17.75 | 20.50 | 32 | 1.00 | 0.0004 | 0.000 | 145 | 0 | 0.0700 | 4 | 157 | 105.5% | -0.00 | 0.0004 | -0.001 | ||
| 16.75 | 20.15 | 60 | 83.3% | 1.00 | 0.0005 | 0.000 | 146 | 0 | 0.2200 | 6 | 8 | 119.2% | -0.00 | 0.0005 | -0.001 | |
| 15.45 | 19.10 | 1 | 1 | 1.00 | 0.0006 | 0.000 | 147 | 0 | 0.2300 | 15 | 67 | 114.3% | -0.00 | 0.0006 | -0.002 | |
| 14.45 | 16.90 | 10 | 11 | 1.00 | 0.0008 | 0.000 | 148 | 0.0100 | 0.2800 | 46 | 65 | 113.1% | -0.00 | 0.0008 | -0.002 | |
| 14.60 | 16.95 | 1 | 8 | 1.00 | 0.0009 | 0.000 | 148.5 | 0 | 0.1100 | 23 | 72 | 93.7% | -0.00 | 0.0009 | -0.002 | |
| 14.40 | 16.45 | 30 | 44 | 1.00 | 0.0010 | 0.000 | 149 | 0 | 0.2200 | 37 | 101.9% | -0.00 | 0.0010 | -0.003 | ||
| 13.65 | 16.25 | 2 | 66.3% | 1.00 | 0.0011 | 0.000 | 149.5 | 0 | 0.2300 | 8 | 40 | 99.8% | -0.00 | 0.0011 | -0.003 | |
| 13.20 | 15.80 | 12 | 85.7% | 1.00 | 0.0013 | 0.000 | 150 | 0 | 0.0100 | 38 | 178 | 63.9% | -0.00 | 0.0013 | -0.003 | |
| 11.65 | 14.00 | 9 | 1.00 | 0.0017 | 0.000 | 151 | 0 | 0.2800 | 13 | 69 | 94.5% | -0.00 | 0.0017 | -0.004 | ||
| 11.25 | 13.70 | 6 | 68.3% | 1.00 | 0.0023 | 0.000 | 152 | 0 | 0.1100 | 1 | 47 | 75.1% | -0.00 | 0.0023 | -0.005 | |
| 10.50 | 12.45 | 1.00 | 0.0027 | -0.000 | 152.5 | 0 | 0.2300 | 30 | 92 | 82.3% | -0.00 | 0.0027 | -0.006 | |||
| 10.00 | 12.10 | 1 | 6 | 0.99 | 0.0031 | -0.002 | 153 | 0 | 0.0200 | 15 | 55.3% | -0.01 | 0.0031 | -0.007 | ||
| 9.25 | 10.95 | 52 | 0.99 | 0.0043 | -0.004 | 154 | 0 | 0.1200 | 201 | 65.3% | -0.01 | 0.0043 | -0.009 | |||
| 7.45 | 10.80 | 1 | 43 | 0.99 | 0.0060 | -0.008 | 155 | 0.0100 | 0.1100 | 42 | 630 | 59.9% | -0.01 | 0.0060 | -0.013 | |
| 7.20 | 10.05 | 238 | 67.7% | 0.99 | 0.0086 | -0.013 | 156 | 0 | 0.0500 | 1 | 94 | 47.3% | -0.01 | 0.0086 | -0.018 | |
| 5.50 | 8.65 | 3 | 23 | 0.98 | 0.0126 | -0.022 | 157 | 0 | 0.2400 | 74 | 121 | 56.1% | -0.02 | 0.0126 | -0.025 | |
| 5.70 | 8.30 | 51 | 44.9% | 0.98 | 0.0155 | -0.028 | 157.5 | 0 | 0.0900 | 85 | 43.9% | -0.02 | 0.0155 | -0.031 | ||
| 5.30 | 6.80 | 14 | 0.97 | 0.0191 | -0.036 | 158 | 0 | 0.0600 | 1,193 | 1,281 | 38.5% | -0.03 | 0.0191 | -0.039 | ||
| 4.25 | 6.75 | 17 | 36.5% | 0.95 | 0.0295 | -0.061 | 159 | 0 | 0.3300 | 22 | 564 | 47.2% | -0.05 | 0.0295 | -0.064 | |
| 3.40 | 5.65 | 1 | 651 | 33.5% | 0.92 | 0.0455 | -0.109 | 160 | 0.1000 | 0.2700 | 91 | 1,058 | 41.9% | -0.08 | 0.0455 | -0.111 |
| 2.59 | 5.10 | 5 | 456 | 45.0% | 0.87 | 0.0677 | -0.196 | 161 | 0 | 0.5400 | 44 | 2,130 | 39.3% | -0.13 | 0.0677 | -0.198 |
| 1.78 | 4.30 | 2 | 57 | 43.8% | 0.79 | 0.0938 | -0.349 | 162 | 0.2000 | 0.8300 | 26 | 597 | 41.1% | -0.21 | 0.0938 | -0.351 |
| 1.01 | 4.05 | 20 | 30 | 38.7% | 0.74 | 0.1065 | -0.461 | 162.5 | 0 | 0.8500 | 2,004 | 23 | 33.2% | -0.25 | 0.1065 | -0.462 |
| 1.20 | 3.70 | 3 | 317 | 47.0% | 0.69 | 0.1176 | -0.601 | 163 | 0 | 1.93 | 11 | 1,006 | 45.9% | -0.31 | 0.1177 | -0.601 |
| 0.9000 | 1.86 | 52 | 267 | 32.9% | 0.56 | 0.1317 | -0.937 | 164 | 0.6400 | 1.25 | 2,036 | 2,365 | 33.4% | -0.44 | 0.1318 | -0.937 |
| 0.6900 | 1.20 | 17 | 342 | 34.5% | 0.43 | 0.1311 | -0.916 | 165 | 0.9100 | 2.57 | 12 | 581 | 41.7% | -0.57 | 0.1315 | -0.916 |
| 0.4200 | 0.6200 | 114 | 135 | 32.4% | 0.31 | 0.1167 | -0.587 | 166 | 1.77 | 2.88 | 1 | 157 | 40.7% | -0.69 | 0.1176 | -0.587 |
| 0 | 0.9300 | 17 | 193 | 39.5% | 0.21 | 0.0936 | -0.346 | 167 | 1.89 | 3.80 | 14 | 99 | 32.8% | -0.80 | 0.0953 | -0.347 |
| 0.1700 | 0.8100 | 2 | 99 | 44.7% | 0.16 | 0.0809 | -0.262 | 167.5 | 2.16 | 4.50 | 126 | 35.9% | -0.84 | 0.0828 | -0.264 | |
| 0.1500 | 0.2000 | 772 | 1,115 | 34.2% | 0.13 | 0.0685 | -0.196 | 168 | 2.82 | 4.45 | 274 | 27.7% | -0.87 | 0.0704 | -0.200 | |
| 0 | 0.1000 | 15 | 123 | 30.5% | 0.08 | 0.0467 | -0.110 | 169 | 3.25 | 5.85 | 13 | -0.93 | 0.0480 | -0.116 | ||
| 0.0400 | 0.0800 | 602 | 742 | 37.0% | 0.05 | 0.0307 | -0.063 | 170 | 3.95 | 6.85 | 74 | -0.96 | 0.0311 | -0.074 | ||
| 0.0100 | 0.1200 | 79 | 95 | 42.8% | 0.03 | 0.0204 | -0.040 | 171 | 5.65 | 8.00 | 4 | 59.7% | -0.97 | 0.0201 | -0.054 | |
| 0 | 0.2400 | 81 | 146 | 54.6% | 0.02 | 0.0142 | -0.028 | 172 | 6.25 | 9.55 | 2 | 70.7% | -0.98 | 0.0135 | -0.044 | |
| 0 | 0.4200 | 1 | 7 | 64.5% | 0.02 | 0.0121 | -0.024 | 172.5 | 7.10 | 10.00 | 82.2% | -0.99 | 0.0113 | -0.042 | ||
| 0.0100 | 0.2400 | 129 | 494 | 60.1% | 0.02 | 0.0104 | -0.021 | 173 | 8.25 | 10.55 | 102.2% | -0.99 | 0.0096 | -0.040 | ||
| 0 | 0.1900 | 4 | 61.9% | 0.01 | 0.0080 | -0.018 | 174 | 8.00 | 11.55 | 2 | 74.3% | -0.99 | 0.0071 | -0.037 | ||
| 0 | 0.1800 | 242 | 66.3% | 0.01 | 0.0062 | -0.015 | 175 | 8.95 | 12.55 | 36 | 77.8% | -0.99 | 0.0054 | -0.035 | ||
| 0 | 0.1700 | 16 | 70.5% | 0.01 | 0.0049 | -0.012 | 176 | 10.90 | 13.50 | 12 | 113.3% | -0.99 | 0.0041 | -0.033 | ||
| 0 | 0.1700 | 75.3% | 0.01 | 0.0039 | -0.010 | 177 | 11.55 | 14.55 | 111.1% | -1.00 | 0.0032 | -0.032 | ||||
| 0 | 0.3700 | 7 | 89.9% | 0.01 | 0.0035 | -0.009 | 177.5 | 11.50 | 15.05 | 93.7% | -1.00 | 0.0028 | -0.032 | |||
| 0 | 0.1700 | 15 | 80.0% | 0.01 | 0.0031 | -0.008 | 178 | 12.90 | 15.35 | 121.7% | -1.00 | 0.0024 | -0.031 | |||
| 0 | 0.1700 | 14 | 84.6% | 0.00 | 0.0024 | -0.007 | 179 | 13.90 | 16.30 | 126.3% | -1.00 | 0.0018 | -0.030 | |||
| 0 | 0.1600 | 314 | 88.3% | 0.00 | 0.0019 | -0.006 | 180 | 14.90 | 17.45 | 136.9% | -1.00 | 0.0014 | -0.029 | |||
| 0 | 0.1600 | 17 | 92.8% | 0.00 | 0.0015 | -0.004 | 181 | 15.95 | 18.30 | 139.7% | -1.00 | 0.0010 | -0.029 | |||
| 0 | 0.0700 | 18 | 86.1% | 0.00 | 0.0012 | -0.004 | 182 | 17.10 | 19.25 | 148.7% | -1.00 | 0.0008 | -0.028 | |||
| 0 | 0.1600 | 4 | 99.4% | 0.00 | 0.0010 | -0.003 | 182.5 | 17.40 | 19.85 | 148.3% | -1.00 | 0.0006 | -0.028 | |||
| 0 | 0.1600 | 4 | 101.5% | 0.00 | 0.0009 | -0.003 | 183 | 16.90 | 20.55 | 115.9% | -1.00 | 0.0005 | -0.028 | |||
| 0 | 0.1600 | 1 | 105.8% | 0.00 | 0.0007 | -0.002 | 184 | 17.90 | 21.60 | 123.9% | -1.00 | 0.0004 | -0.028 | |||
| 0 | 0.3600 | 9 | 126.2% | 0.00 | 0.0005 | -0.002 | 185 | 19.90 | 22.40 | 164.0% | -1.00 | 0.0003 | -0.028 | |||
| 0 | 0.1600 | 1 | 114.3% | 0.00 | 0.0004 | -0.001 | 186 | 20.95 | 23.25 | 165.9% | -1.00 | 0.0002 | -0.027 | |||
| 0 | 0.1900 | 121.6% | 0.00 | 0.0003 | -0.001 | 187 | 21.95 | 24.55 | 181.8% | -1.00 | 0.0001 | -0.027 | ||||
| 0 | 0.1600 | 120.5% | 0.00 | 0.0003 | -0.001 | 187.5 | 21.50 | 25.05 | 143.5% | -1.00 | 0.0001 | -0.027 | ||||
| 0 | 0.3600 | 1 | 148.8% | 0.00 | 0.0001 | -0.000 | 190 | 23.90 | 27.55 | 147.9% | -1.00 | 0.0000 | -0.027 | |||
| 0 | 0.3600 | 170.3% | 0.00 | 0.0000 | -0.000 | 195 | 29.90 | 32.30 | 211.9% | -1.00 | 0.0000 | -0.027 | ||||
| 0 | 0.3600 | 1 | 190.8% | 0.00 | 0.0000 | 0.000 | 200 | 33.90 | 37.55 | 189.9% | -1.00 | 0.0000 | -0.027 | |||
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 — Sep 04, 2026
Volatility page →Implied volatility per strike for this expiration. Out-of-the-money puts usually price higher IV than calls — the skew.
callsputs