XBI option chain State Street SPDR S&P Biotech ETF
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 ±29.9% (114.94–213.09) · ATM IV 32.3% · P/C open interest 0.86
| 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 | |
| 83.15 | 86.90 | 2 | 34.0% | 0.96 | 0.0009 | 0.000 | 83 | 0.6900 | 1.12 | 8 | 36.9% | -0.03 | 0.0009 | -0.004 | ||
| 82.15 | 86.00 | 2 | 33.4% | 0.96 | 0.0009 | 0.000 | 84 | 0.7300 | 3.05 | 13 | 42.7% | -0.03 | 0.0010 | -0.005 | ||
| 81.50 | 85.00 | 101 | 34.0% | 0.96 | 0.0010 | 0.000 | 85 | 0.7800 | 1.25 | 22 | 36.7% | -0.03 | 0.0010 | -0.005 | ||
| 80.50 | 84.50 | 6 | 35.1% | 0.96 | 0.0010 | 0.000 | 86 | 0.8400 | 1.30 | 2 | 36.5% | -0.03 | 0.0011 | -0.005 | ||
| 79.50 | 83.50 | 13 | 34.1% | 0.95 | 0.0011 | 0.000 | 87 | 0.8900 | 1.37 | 2 | 36.4% | -0.04 | 0.0011 | -0.005 | ||
| 78.90 | 82.50 | 14 | 34.7% | 0.95 | 0.0011 | 0.000 | 88 | 0.9400 | 1.44 | 2 | 36.3% | -0.04 | 0.0012 | -0.005 | ||
| 78.00 | 81.50 | 1 | 34.1% | 0.95 | 0.0012 | 0.000 | 89 | 1.00 | 1.52 | 36.2% | -0.04 | 0.0012 | -0.006 | |||
| 77.10 | 81.00 | 34 | 35.2% | 0.95 | 0.0012 | 0.000 | 90 | 1.06 | 1.59 | 59 | 36.1% | -0.04 | 0.0013 | -0.006 | ||
| 76.00 | 80.00 | 1 | 33.9% | 0.95 | 0.0013 | 0.000 | 91 | 1.13 | 1.86 | 36.5% | -0.04 | 0.0013 | -0.006 | |||
| 75.00 | 79.00 | 10 | 33.0% | 0.95 | 0.0013 | 0.000 | 92 | 1.21 | 1.76 | 35.9% | -0.04 | 0.0014 | -0.006 | |||
| 74.50 | 78.00 | 61 | 33.8% | 0.94 | 0.0014 | 0.000 | 93 | 1.27 | 2.03 | 36.3% | -0.05 | 0.0014 | -0.006 | |||
| 73.50 | 77.50 | 6 | 34.4% | 0.94 | 0.0014 | 0.000 | 94 | 1.35 | 2.12 | 2 | 36.2% | -0.05 | 0.0015 | -0.007 | ||
| 72.85 | 76.50 | 30 | 34.5% | 0.94 | 0.0015 | 0.000 | 95 | 1.43 | 2.03 | 39 | 35.6% | -0.05 | 0.0016 | -0.007 | ||
| 72.00 | 75.50 | 22 | 34.0% | 0.94 | 0.0016 | 0.000 | 96 | 1.52 | 2.12 | 35.5% | -0.05 | 0.0016 | -0.007 | |||
| 71.00 | 75.00 | 10 | 34.5% | 0.93 | 0.0016 | 0.000 | 97 | 1.59 | 2.22 | 6 | 35.4% | -0.06 | 0.0017 | -0.007 | ||
| 70.00 | 74.00 | 11 | 33.7% | 0.93 | 0.0017 | 0.000 | 98 | 1.69 | 2.33 | 95 | 35.4% | -0.06 | 0.0018 | -0.008 | ||
| 69.50 | 73.00 | 8 | 34.1% | 0.93 | 0.0017 | 0.000 | 99 | 1.78 | 2.62 | 7 | 35.6% | -0.06 | 0.0018 | -0.008 | ||
| 68.85 | 72.25 | 206 | 34.6% | 0.93 | 0.0018 | 0.000 | 100 | 1.88 | 2.74 | 413 | 35.6% | -0.06 | 0.0019 | -0.008 | ||
| 67.50 | 71.50 | 17 | 33.6% | 0.92 | 0.0019 | 0.000 | 101 | 1.97 | 3.75 | 13 | 37.1% | -0.07 | 0.0020 | -0.009 | ||
| 67.00 | 70.35 | 11 | 33.6% | 0.92 | 0.0019 | 0.000 | 102 | 2.02 | 2.97 | 38 | 35.2% | -0.07 | 0.0020 | -0.009 | ||
| 66.00 | 69.50 | 12 | 33.1% | 0.92 | 0.0020 | 0.000 | 103 | 2.20 | 2.91 | 23 | 34.9% | -0.07 | 0.0021 | -0.009 | ||
| 65.00 | 68.70 | 29 | 32.8% | 0.91 | 0.0021 | 0.000 | 104 | 2.30 | 3.05 | 9 | 34.8% | -0.08 | 0.0022 | -0.009 | ||
| 64.50 | 67.35 | 60 | 32.3% | 0.91 | 0.0021 | 0.000 | 105 | 2.42 | 4.10 | 208 | 36.4% | -0.08 | 0.0022 | -0.010 | ||
| 63.50 | 67.50 | 10 | 33.8% | 0.91 | 0.0022 | -0.000 | 106 | 2.55 | 3.35 | 6 | 34.8% | -0.08 | 0.0023 | -0.010 | ||
| 62.50 | 66.25 | 45 | 32.6% | 0.91 | 0.0023 | -0.001 | 107 | 2.66 | 4.40 | 124 | 36.1% | -0.09 | 0.0024 | -0.010 | ||
| 60.60 | 64.50 | 63 | 34.4% | 0.90 | 0.0025 | -0.002 | 110 | 3.05 | 3.95 | 1,439 | 34.4% | -0.10 | 0.0026 | -0.011 | ||
| 56.60 | 60.50 | 248 | 33.8% | 0.88 | 0.0028 | -0.004 | 115 | 3.85 | 4.95 | 107 | 34.3% | -0.12 | 0.0030 | -0.012 | ||
| 53.65 | 55.60 | 1 | 180 | 33.1% | 0.86 | 0.0032 | -0.006 | 120 | 4.75 | 6.75 | 973 | 34.9% | -0.14 | 0.0034 | -0.014 | |
| 49.00 | 53.00 | 244 | 32.9% | 0.84 | 0.0036 | -0.008 | 125 | 5.80 | 7.85 | 503 | 34.5% | -0.16 | 0.0038 | -0.015 | ||
| 46.50 | 49.50 | 135 | 33.7% | 0.81 | 0.0040 | -0.009 | 130 | 7.00 | 8.35 | 503 | 33.3% | -0.19 | 0.0043 | -0.017 | ||
| 42.50 | 46.20 | 56 | 32.9% | 0.79 | 0.0043 | -0.011 | 135 | 8.35 | 10.85 | 33 | 34.0% | -0.21 | 0.0047 | -0.018 | ||
| 39.00 | 42.95 | 63 | 32.4% | 0.76 | 0.0047 | -0.013 | 140 | 10.30 | 11.30 | 1 | 7 | 33.1% | -0.24 | 0.0051 | -0.019 | |
| 36.55 | 39.90 | 30 | 32.7% | 0.73 | 0.0050 | -0.014 | 145 | 11.55 | 13.90 | 14 | 33.2% | -0.27 | 0.0055 | -0.020 | ||
| 33.50 | 37.50 | 30 | 115 | 32.7% | 0.71 | 0.0053 | -0.016 | 150 | 13.50 | 15.15 | 401 | 32.5% | -0.30 | 0.0059 | -0.021 | |
| 30.90 | 34.25 | 65 | 32.2% | 0.68 | 0.0056 | -0.017 | 155 | 15.55 | 18.10 | 2 | 32.9% | -0.33 | 0.0062 | -0.022 | ||
| 30.50 | 33.70 | 32.3% | 0.67 | 0.0056 | -0.017 | 156 | 15.90 | 18.80 | 33.0% | -0.34 | 0.0063 | -0.022 | ||||
| 29.65 | 33.00 | 31.9% | 0.67 | 0.0057 | -0.018 | 157 | 16.35 | 19.50 | 33.1% | -0.35 | 0.0064 | -0.022 | ||||
| 29.50 | 32.50 | 32.1% | 0.66 | 0.0057 | -0.018 | 158 | 16.85 | 20.00 | 33.2% | -0.35 | 0.0064 | -0.022 | ||||
| 29.00 | 32.15 | 32.2% | 0.65 | 0.0058 | -0.018 | 159 | 17.25 | 20.50 | 33.1% | -0.36 | 0.0065 | -0.022 | ||||
| 28.00 | 31.60 | 243 | 31.8% | 0.65 | 0.0058 | -0.018 | 160 | 17.70 | 20.55 | 403 | 32.8% | -0.37 | 0.0065 | -0.023 | ||
| 28.05 | 30.95 | 32.0% | 0.64 | 0.0059 | -0.018 | 161 | 18.15 | 21.50 | 33.1% | -0.37 | 0.0066 | -0.023 | ||||
| 27.50 | 30.60 | 32.0% | 0.64 | 0.0059 | -0.018 | 162 | 18.75 | 20.90 | 32.4% | -0.38 | 0.0067 | -0.023 | ||||
| 27.00 | 30.15 | 32.0% | 0.63 | 0.0059 | -0.019 | 163 | 19.20 | 22.00 | 32.7% | -0.39 | 0.0067 | -0.023 | ||||
| 26.65 | 30.00 | 32.3% | 0.62 | 0.0060 | -0.019 | 164 | 19.60 | 21.90 | 32.2% | -0.39 | 0.0068 | -0.023 | ||||
| 26.05 | 29.50 | 244 | 32.2% | 0.62 | 0.0060 | -0.019 | 165 | 20.20 | 23.00 | 32.7% | -0.40 | 0.0068 | -0.023 | |||
| 25.50 | 28.75 | 31.9% | 0.61 | 0.0060 | -0.019 | 166 | 20.50 | 23.50 | 32.5% | -0.41 | 0.0069 | -0.023 | ||||
| 25.05 | 28.25 | 31.8% | 0.61 | 0.0061 | -0.019 | 167 | 21.00 | 24.00 | 32.4% | -0.41 | 0.0070 | -0.023 | ||||
| 24.55 | 27.75 | 31.7% | 0.60 | 0.0061 | -0.019 | 168 | 21.50 | 24.50 | 12 | 32.4% | -0.42 | 0.0070 | -0.023 | |||
| 24.45 | 28.00 | 1 | 32.4% | 0.59 | 0.0062 | -0.020 | 169 | 22.00 | 24.85 | 7 | 32.2% | -0.43 | 0.0071 | -0.024 | ||
| 24.00 | 27.50 | 236 | 32.3% | 0.59 | 0.0062 | -0.020 | 170 | 22.55 | 25.50 | 32.3% | -0.43 | 0.0071 | -0.024 | |||
| 23.50 | 26.45 | 31.8% | 0.58 | 0.0062 | -0.020 | 171 | 23.15 | 26.50 | 32.6% | -0.44 | 0.0072 | -0.024 | ||||
| 23.00 | 26.50 | 32.1% | 0.58 | 0.0062 | -0.020 | 172 | 23.65 | 26.30 | 32.0% | -0.45 | 0.0072 | -0.024 | ||||
| 22.50 | 25.45 | 31.6% | 0.57 | 0.0062 | -0.020 | 173 | 24.90 | 27.00 | 32.6% | -0.46 | 0.0073 | -0.024 | ||||
| 22.00 | 25.15 | 31.6% | 0.56 | 0.0063 | -0.020 | 174 | 24.80 | 28.00 | 32.4% | -0.46 | 0.0073 | -0.024 | ||||
| 21.00 | 25.50 | 28 | 31.7% | 0.56 | 0.0063 | -0.020 | 175 | 25.30 | 28.50 | 32.2% | -0.47 | 0.0074 | -0.024 | |||
| 21.60 | 24.20 | 31.7% | 0.55 | 0.0063 | -0.021 | 176 | 25.85 | 29.00 | 32.1% | -0.48 | 0.0074 | -0.024 | ||||
| 21.00 | 23.95 | 31.7% | 0.55 | 0.0063 | -0.021 | 177 | 26.50 | 29.50 | 32.1% | -0.48 | 0.0074 | -0.024 | ||||
| 20.50 | 24.00 | 31.9% | 0.54 | 0.0064 | -0.021 | 178 | 27.00 | 30.00 | 32.0% | -0.49 | 0.0075 | -0.024 | ||||
| 19.50 | 24.00 | 31.7% | 0.53 | 0.0064 | -0.021 | 179 | 27.60 | 30.50 | 31.9% | -0.50 | 0.0075 | -0.024 | ||||
| 20.00 | 23.00 | 482 | 31.8% | 0.53 | 0.0064 | -0.021 | 180 | 28.20 | 31.00 | 31.8% | -0.50 | 0.0076 | -0.024 | |||
| 19.50 | 23.00 | 32.0% | 0.52 | 0.0064 | -0.021 | 181 | 28.80 | 31.75 | 31.9% | -0.51 | 0.0076 | -0.024 | ||||
| 18.50 | 22.50 | 31.5% | 0.52 | 0.0064 | -0.021 | 182 | 29.40 | 32.75 | 32.1% | -0.52 | 0.0076 | -0.024 | ||||
| 18.50 | 21.50 | 31.3% | 0.51 | 0.0064 | -0.021 | 183 | 30.10 | 33.00 | 31.8% | -0.53 | 0.0077 | -0.024 | ||||
| 18.10 | 21.15 | 31.2% | 0.51 | 0.0064 | -0.021 | 184 | 30.65 | 33.50 | 31.7% | -0.53 | 0.0077 | -0.024 | ||||
| 18.00 | 21.50 | 6 | 31.8% | 0.50 | 0.0064 | -0.021 | 185 | 31.20 | 34.50 | 1 | 31.8% | -0.54 | 0.0077 | -0.024 | ||
| 16.50 | 19.10 | 15 | 31.4% | 0.47 | 0.0064 | -0.021 | 190 | 34.50 | 37.50 | 31.6% | -0.57 | 0.0079 | -0.024 | |||
| 15.25 | 17.55 | 8 | 31.5% | 0.44 | 0.0064 | -0.021 | 195 | 37.85 | 41.00 | 31.4% | -0.61 | 0.0080 | -0.024 | |||
| 13.80 | 16.10 | 1,307 | 31.4% | 0.42 | 0.0064 | -0.021 | 200 | 41.40 | 44.70 | 36 | 31.4% | -0.64 | 0.0081 | -0.023 | ||
| 11.50 | 14.75 | 10 | 30.7% | 0.39 | 0.0063 | -0.021 | 205 | 45.10 | 49.00 | 31.7% | -0.68 | 0.0082 | -0.023 | |||
| 10.50 | 13.55 | 5 | 30.8% | 0.36 | 0.0062 | -0.021 | 210 | 49.10 | 53.00 | 31.9% | -0.71 | 0.0082 | -0.022 | |||
| 9.60 | 12.40 | 1,003 | 30.8% | 0.34 | 0.0060 | -0.020 | 215 | 53.00 | 57.00 | 31.8% | -0.74 | 0.0083 | -0.022 | |||
| 8.00 | 12.50 | 2 | 31.1% | 0.32 | 0.0059 | -0.020 | 220 | 57.05 | 61.00 | 31.5% | -0.77 | 0.0083 | -0.021 | |||
| 8.50 | 10.75 | 31.6% | 0.30 | 0.0057 | -0.019 | 225 | 61.50 | 65.50 | 32.0% | -0.80 | 0.0082 | -0.020 | ||||
| 6.50 | 9.60 | 30.4% | 0.28 | 0.0055 | -0.018 | 230 | 66.00 | 70.00 | 32.3% | -0.83 | 0.0081 | -0.019 | ||||
| 6.10 | 8.80 | 540 | 30.6% | 0.26 | 0.0053 | -0.018 | 235 | 70.50 | 74.50 | 32.4% | -0.86 | 0.0083 | -0.019 | |||
| 6.40 | 8.05 | 31.4% | 0.24 | 0.0051 | -0.017 | 240 | 75.00 | 79.00 | 32.4% | -0.89 | 0.0082 | -0.018 | ||||
| 5.80 | 7.40 | 14 | 31.4% | 0.22 | 0.0049 | -0.017 | 245 | 80.00 | 83.55 | 32.9% | -0.92 | 0.0084 | -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 — Jan 21, 2028
Volatility page →Implied volatility per strike for this expiration. Out-of-the-money puts usually price higher IV than calls — the skew.