FTNT option chain Fortinet, 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 ±5.5% (144.68–161.68) · ATM IV 44.1% · P/C open interest 0.94
| 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 | |
| 71.80 | 74.90 | 1 | 185.3% | 1.00 | 0.0000 | 0.000 | 80 | 0 | 2.13 | 260.0% | 0.00 | 0.0000 | 0.000 | |||
| 66.80 | 69.85 | 2 | 164.1% | 1.00 | 0.0000 | 0.000 | 85 | 0 | 2.13 | 239.1% | 0.00 | 0.0000 | 0.000 | |||
| 61.80 | 65.10 | 1 | 165.8% | 1.00 | 0.0000 | 0.000 | 90 | 0 | 2.13 | 219.3% | 0.00 | 0.0000 | 0.000 | |||
| 56.80 | 60.25 | 2 | 157.1% | 1.00 | 0.0000 | 0.000 | 95 | 0 | 2.13 | 100 | 200.4% | 0.00 | 0.0000 | -0.000 | ||
| 51.80 | 54.75 | 1 | 108.6% | 1.00 | 0.0000 | 0.000 | 100 | 0 | 2.13 | 1 | 182.4% | -0.00 | 0.0000 | -0.000 | ||
| 46.95 | 50.15 | 2 | 129.0% | 1.00 | 0.0000 | 0.000 | 105 | 0 | 2.13 | 165.2% | -0.00 | 0.0000 | -0.000 | |||
| 41.80 | 44.95 | 2 | 100.1% | 1.00 | 0.0001 | 0.000 | 110 | 0 | 2.13 | 29 | 148.6% | -0.00 | 0.0001 | -0.001 | ||
| 36.85 | 39.95 | 9 | 90.0% | 1.00 | 0.0002 | 0.000 | 115 | 0 | 2.13 | 132.6% | -0.00 | 0.0002 | -0.002 | |||
| 31.85 | 34.95 | 2 | 77.8% | 1.00 | 0.0006 | -0.001 | 120 | 0 | 2.13 | 1 | 117.0% | -0.00 | 0.0006 | -0.005 | ||
| 26.85 | 29.80 | 2 | 58.5% | 0.99 | 0.0014 | -0.007 | 125 | 0 | 2.13 | 101.7% | -0.01 | 0.0014 | -0.011 | |||
| 21.90 | 24.70 | 43.9% | 0.98 | 0.0034 | -0.022 | 130 | 0 | 2.14 | 19 | 86.8% | -0.02 | 0.0034 | -0.025 | |||
| 17.00 | 20.05 | 49.7% | 0.96 | 0.0078 | -0.050 | 135 | 0.0200 | 0.4500 | 13 | 22 | 49.2% | -0.04 | 0.0078 | -0.053 | ||
| 15.10 | 18.05 | 46.7% | 0.94 | 0.0104 | -0.068 | 137 | 0.1300 | 0.4200 | 4 | 1 | 46.1% | -0.06 | 0.0105 | -0.070 | ||
| 14.15 | 16.65 | 36.9% | 0.93 | 0.0120 | -0.077 | 138 | 0.2000 | 0.5200 | 4 | 2 | 46.5% | -0.07 | 0.0120 | -0.079 | ||
| 13.20 | 16.35 | 47.6% | 0.92 | 0.0137 | -0.088 | 139 | 0.1700 | 0.6400 | 4 | 1 | 45.3% | -0.08 | 0.0138 | -0.090 | ||
| 12.35 | 14.80 | 2 | 39.4% | 0.90 | 0.0156 | -0.100 | 140 | 0.3000 | 0.7200 | 6 | 28 | 45.4% | -0.10 | 0.0157 | -0.102 | |
| 11.40 | 14.25 | 43.4% | 0.89 | 0.0176 | -0.112 | 141 | 0.4800 | 0.9000 | 1 | 46.7% | -0.11 | 0.0177 | -0.114 | |||
| 10.50 | 13.35 | 42.8% | 0.87 | 0.0197 | -0.125 | 142 | 0.4900 | 0.9100 | 1 | 1 | 44.1% | -0.13 | 0.0198 | -0.127 | ||
| 9.60 | 12.20 | 39.5% | 0.85 | 0.0219 | -0.139 | 143 | 0.6100 | 1.11 | 2 | 2 | 44.2% | -0.15 | 0.0220 | -0.140 | ||
| 8.80 | 11.40 | 40.3% | 0.82 | 0.0242 | -0.152 | 144 | 0.6900 | 1.23 | 2 | 14 | 42.9% | -0.18 | 0.0242 | -0.154 | ||
| 8.25 | 10.50 | 14 | 41.7% | 0.80 | 0.0264 | -0.166 | 145 | 0.9900 | 1.38 | 7 | 129 | 43.2% | -0.20 | 0.0265 | -0.167 | |
| 7.85 | 9.90 | 1 | 45.5% | 0.77 | 0.0286 | -0.179 | 146 | 1.08 | 1.68 | 5 | 3 | 42.7% | -0.23 | 0.0287 | -0.180 | |
| 7.70 | 8.30 | 43.6% | 0.74 | 0.0306 | -0.191 | 147 | 1.36 | 1.95 | 98 | 7 | 42.9% | -0.26 | 0.0307 | -0.193 | ||
| 6.95 | 7.65 | 43.6% | 0.71 | 0.0325 | -0.203 | 148 | 1.76 | 2.25 | 8 | 9 | 43.5% | -0.29 | 0.0326 | -0.204 | ||
| 6.25 | 6.95 | 43.2% | 0.67 | 0.0342 | -0.213 | 149 | 2.10 | 2.59 | 2 | 2 | 43.6% | -0.33 | 0.0343 | -0.214 | ||
| 5.60 | 6.35 | 2 | 9 | 43.2% | 0.64 | 0.0356 | -0.222 | 150 | 2.49 | 2.96 | 21 | 88 | 43.7% | -0.36 | 0.0357 | -0.223 |
| 4.50 | 4.90 | 10 | 44.6% | 0.54 | 0.0377 | -0.235 | 152.5 | 3.55 | 4.05 | 3 | 4 | 43.5% | -0.46 | 0.0378 | -0.236 | |
| 3.30 | 3.75 | 7 | 37 | 44.6% | 0.45 | 0.0376 | -0.235 | 155 | 4.55 | 5.35 | 19 | 26 | 41.6% | -0.55 | 0.0377 | -0.235 |
| 2.32 | 2.76 | 2 | 44.2% | 0.36 | 0.0354 | -0.222 | 157.5 | 6.15 | 6.90 | 30 | 129 | 41.7% | -0.64 | 0.0355 | -0.223 | |
| 1.66 | 2.01 | 19 | 99 | 44.6% | 0.28 | 0.0316 | -0.200 | 160 | 8.00 | 8.75 | 3 | 199 | 42.5% | -0.72 | 0.0318 | -0.200 |
| 1.13 | 1.44 | 13 | 19 | 44.9% | 0.21 | 0.0271 | -0.173 | 162.5 | 10.05 | 10.65 | 4 | 11 | 42.6% | -0.79 | 0.0272 | -0.172 |
| 0.7500 | 1.02 | 33 | 134 | 45.2% | 0.16 | 0.0223 | -0.143 | 165 | 11.20 | 14.05 | 43 | 45.5% | -0.84 | 0.0224 | -0.142 | |
| 0.5000 | 0.9200 | 83 | 47.8% | 0.12 | 0.0177 | -0.115 | 167.5 | 13.40 | 16.10 | 1 | 41 | 43.8% | -0.89 | 0.0179 | -0.114 | |
| 0.2200 | 0.4900 | 69 | 335 | 44.6% | 0.08 | 0.0138 | -0.090 | 170 | 15.70 | 17.65 | 69 | 207 | -0.92 | 0.0141 | -0.090 | |
| 0.0200 | 0.6400 | 4 | 72 | 48.6% | 0.06 | 0.0105 | -0.069 | 172.5 | 18.40 | 20.95 | 30 | 52.0% | -0.94 | 0.0109 | -0.071 | |
| 0.0900 | 0.2000 | 13 | 64 | 45.4% | 0.04 | 0.0078 | -0.052 | 175 | 20.40 | 23.40 | 25 | 45.7% | -0.96 | 0.0084 | -0.055 | |
| 0.1000 | 0.1500 | 3 | 7 | 48.1% | 0.03 | 0.0058 | -0.039 | 177.5 | 22.80 | 25.85 | 9 | 40.2% | -0.98 | 0.0064 | -0.041 | |
| 0 | 0.9700 | 9 | 140 | 66.9% | 0.02 | 0.0042 | -0.029 | 180 | 25.45 | 28.35 | 53.5% | -0.99 | 0.0047 | -0.029 | ||
| 0 | 0.6000 | 10 | 23 | 64.6% | 0.01 | 0.0030 | -0.021 | 182.5 | 27.80 | 30.85 | 46.7% | -0.99 | 0.0031 | -0.020 | ||
| 0 | 0.5000 | 1 | 27 | 66.3% | 0.01 | 0.0022 | -0.015 | 185 | 30.35 | 33.35 | 56.1% | -1.00 | 0.0018 | -0.014 | ||
| 0 | 2.16 | 1 | 95.8% | 0.01 | 0.0016 | -0.011 | 187.5 | 32.75 | 35.85 | -1.00 | 0.0008 | -0.012 | ||||
| 0 | 2.15 | 152 | 100.2% | 0.00 | 0.0011 | -0.008 | 190 | 35.25 | 38.35 | -1.00 | 0.0002 | -0.011 | ||||
| 0 | 2.15 | 104.6% | 0.00 | 0.0008 | -0.006 | 192.5 | 37.80 | 40.85 | 59.1% | -1.00 | 0.0001 | -0.011 | ||||
| 0 | 2.15 | 2 | 108.9% | 0.00 | 0.0006 | -0.004 | 195 | 40.00 | 43.55 | -1.00 | 0.0000 | -0.011 | ||||
| 0 | 2.00 | 7 | 115.1% | 0.00 | 0.0003 | -0.002 | 200 | 44.80 | 48.55 | -1.00 | 0.0000 | -0.011 | ||||
| 0 | 2.13 | 124.8% | 0.00 | 0.0001 | -0.001 | 205 | 49.70 | 53.60 | -1.00 | 0.0000 | -0.011 | |||||
| 0 | 2.13 | 132.3% | 0.00 | 0.0001 | -0.001 | 210 | 54.80 | 58.55 | -1.00 | 0.0000 | -0.011 | |||||
| 0 | 2.13 | 139.6% | 0.00 | 0.0000 | -0.000 | 215 | 59.70 | 63.75 | -1.00 | 0.0000 | -0.011 | |||||
| 0 | 2.13 | 146.6% | 0.00 | 0.0000 | -0.000 | 220 | 65.00 | 68.65 | 89.0% | -1.00 | 0.0000 | -0.011 | ||||
| 0 | 2.13 | 153.4% | 0.00 | 0.0000 | -0.000 | 225 | 69.70 | 73.55 | -1.00 | 0.0000 | -0.011 | |||||
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 11, 2026
Volatility page →Implied volatility per strike for this expiration. Out-of-the-money puts usually price higher IV than calls — the skew.