Volatility Strike Skew — ISRG
Data as of
Volume-weighted call and put implied volatility per strike for the chosen expiration, with option volume bars.
DATA IS DELAYED — showing Oct 19, 2026. Subscribe to get the latest end-of-day data.
IV QuoteOption ChainPrice History10 Day SnapshotStrike PeggerVolatility SkewTrade Finder
On Oct 19, 2026, ISRG options across all expirations averaged 76.6% implied volatility for calls and 81.6% for puts (volume-weighted): puts trade 5.0 points above calls, the usual downside skew.
| Strike | Volume | Call IVol | Put IVol |
|---|---|---|---|
| All | 9,153 | 76.6% | 81.6% |
| 355.00 | 64 | - | 101.6% |
| 360.00 | 263 | 45.4% | 95.0% |
| 362.50 | 2 | - | 102.4% |
| 365.00 | 476 | 45.1% | 98.4% |
| 367.50 | 3 | - | 101.8% |
| 370.00 | 138 | 43.2% | 74.4% |
| 372.50 | 2 | - | 99.9% |
| 375.00 | 88 | - | 49.2% |
| 377.50 | 5 | - | 84.1% |
| 380.00 | 88 | 42.6% | 75.2% |
| 382.50 | 4 | - | 97.6% |
| 385.00 | 87 | 72.7% | 85.0% |
| 387.50 | 13 | - | 101.7% |
| 390.00 | 111 | 71.8% | 70.5% |
| 392.50 | 8 | 65.1% | 97.6% |
| 395.00 | 199 | 47.1% | 86.8% |
| 397.50 | 5 | 61.2% | 101.1% |
| 400.00 | 713 | 68.3% | 80.5% |
| 402.50 | 5 | - | 96.9% |
| 405.00 | 459 | 45.4% | 94.3% |
| 407.50 | 32 | - | 66.3% |
| 410.00 | 146 | 54.3% | 58.2% |
| 412.50 | 107 | 74.9% | 97.4% |
| 415.00 | 172 | 57.3% | 84.3% |
| 417.50 | 28 | - | 88.4% |
| 420.00 | 643 | 72.6% | 58.8% |
| 422.50 | 159 | 63.2% | 99.3% |
| 425.00 | 306 | 70.2% | 87.6% |
| 427.50 | 55 | 66.2% | 97.4% |
| 430.00 | 243 | 60.7% | 75.1% |
| 432.50 | 138 | 74.6% | 85.0% |
| 435.00 | 1,257 | 71.9% | 59.5% |
| 437.50 | 57 | 66.8% | 43.9% |
| 440.00 | 206 | 76.4% | 54.9% |
| 442.50 | 9 | 68.0% | - |
| 445.00 | 137 | 58.4% | 47.1% |
| 447.50 | 16 | 94.6% | - |
| 450.00 | 533 | 86.6% | 56.8% |
| 452.50 | 6 | 55.5% | 92.7% |
| 455.00 | 43 | 70.9% | - |
| 457.50 | 7 | 90.0% | - |
| 460.00 | 178 | 69.9% | 37.9% |
| 462.50 | 7 | 94.2% | - |
| 465.00 | 47 | 84.3% | - |
| 467.50 | 2 | 91.8% | - |
| 470.00 | 97 | 76.2% | - |
| 472.50 | 5 | 86.7% | - |
| 475.00 | 1,178 | 91.4% | - |
| 477.50 | 4 | 83.0% | - |
| 480.00 | 69 | 63.4% | 34.8% |
| 482.50 | 66 | 95.5% | - |
| 485.00 | 61 | 65.9% | - |
| 490.00 | 117 | 52.0% | - |
| 492.50 | 15 | 110.1% | - |
| 495.00 | 50 | 82.6% | - |
| 500.00 | 171 | 60.5% | - |
| 502.50 | 3 | 96.8% | - |
| 505.00 | 30 | 61.4% | - |
| 507.50 | 1 | 94.0% | - |
| 510.00 | 19 | 55.8% | 47.7% |