Volatility Strike Skew — XSP
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 20, 2026. Subscribe to get the latest end-of-day data.
IV QuoteOption ChainPrice History10 Day SnapshotStrike PeggerVolatility SkewTrade Finder
On Oct 20, 2026, XSP options across all expirations averaged 13.1% implied volatility for calls and 15.6% for puts (volume-weighted): puts trade 2.5 points above calls, the usual downside skew.
| Strike | Volume | Call IVol | Put IVol |
|---|---|---|---|
| All | 94,102 | 13.1% | 15.6% |
| 644.00 | 200 | - | 23.5% |
| 645.00 | 2,764 | - | 23.5% |
| 646.00 | 2 | - | 23.4% |
| 647.00 | 1 | - | 62.2% |
| 648.00 | 5 | - | 23.3% |
| 650.00 | 2,856 | - | 23.5% |
| 651.00 | 2 | - | 27.3% |
| 655.00 | 12 | - | 23.1% |
| 660.00 | 53 | - | 27.2% |
| 664.00 | 5 | - | 39.9% |
| 665.00 | 12 | - | 26.3% |
| 670.00 | 44 | 12.4% | 26.5% |
| 672.00 | 5 | - | 37.6% |
| 674.00 | 1 | - | 27.6% |
| 675.00 | 23 | - | 31.0% |
| 678.00 | 1 | - | 26.9% |
| 679.00 | 6 | - | 34.1% |
| 680.00 | 111 | 43.3% | 26.5% |
| 683.00 | 4 | - | 26.0% |
| 684.00 | 2 | 27.7% | - |
| 685.00 | 23 | 27.6% | 26.9% |
| 687.00 | 1 | - | 20.7% |
| 688.00 | 2 | - | 35.3% |
| 689.00 | 248 | - | 27.9% |
| 690.00 | 156 | 25.0% | 23.8% |
| 691.00 | 22 | - | 32.9% |
| 692.00 | 1 | - | 50.6% |
| 693.00 | 2 | - | 37.2% |
| 694.00 | 2 | 23.4% | 22.5% |
| 695.00 | 37 | - | 25.2% |
| 696.00 | 14 | 25.1% | 35.1% |
| 697.00 | 13 | - | 36.2% |
| 698.00 | 1 | - | 48.2% |
| 700.00 | 250 | 24.7% | 25.0% |
| 701.00 | 2 | - | 34.7% |
| 702.00 | 1 | - | 40.0% |
| 705.00 | 27 | - | 22.1% |
| 706.00 | 2 | - | 32.0% |
| 707.00 | 2 | - | 40.2% |
| 708.00 | 7 | - | 28.9% |
| 709.00 | 15 | - | 20.4% |
| 710.00 | 161 | - | 21.7% |
| 711.00 | 3 | - | 27.4% |
| 712.00 | 3 | 40.7% | 29.7% |
| 713.00 | 5 | - | 18.6% |
| 714.00 | 23 | - | 29.5% |
| 715.00 | 137 | 29.0% | 22.0% |
| 716.00 | 52 | - | 23.7% |
| 717.00 | 70 | - | 15.3% |
| 718.00 | 26 | - | 26.9% |
| 719.00 | 22 | - | 20.1% |
| 720.00 | 540 | 28.8% | 20.1% |
| 721.00 | 16 | - | 22.9% |
| 722.00 | 35 | - | 20.7% |
| 723.00 | 19 | - | 29.8% |
| 724.00 | 17 | - | 21.0% |
| 725.00 | 486 | 26.7% | 19.5% |
| 726.00 | 29 | - | 21.7% |
| 727.00 | 78 | 30.6% | 21.0% |
| 728.00 | 90 | 30.2% | 24.8% |
| 729.00 | 197 | 29.8% | 17.9% |
| 730.00 | 2,284 | 21.8% | 17.8% |
| 731.00 | 109 | 30.4% | 19.1% |
| 732.00 | 77 | 24.0% | 19.3% |
| 733.00 | 48 | - | 19.9% |
| 734.00 | 263 | 27.7% | 23.5% |
| 735.00 | 1,113 | 26.5% | 19.6% |
| 736.00 | 144 | - | 20.6% |
| 737.00 | 80 | - | 18.8% |
| 738.00 | 79 | 25.8% | 20.0% |
| 739.00 | 96 | 25.5% | 17.3% |
| 740.00 | 1,137 | 22.7% | 17.8% |
| 741.00 | 107 | 24.4% | 18.5% |
| 742.00 | 130 | 22.9% | 18.1% |
| 743.00 | 123 | 22.8% | 17.7% |
| 744.00 | 179 | 21.6% | 17.7% |
| 745.00 | 968 | 22.4% | 17.6% |
| 746.00 | 112 | 22.9% | 16.0% |
| 747.00 | 199 | 21.2% | 16.9% |
| 748.00 | 390 | 20.8% | 16.7% |
| 749.00 | 169 | 22.1% | 16.4% |
| 750.00 | 3,561 | 20.3% | 15.6% |
| 751.00 | 446 | 20.1% | 16.7% |
| 752.00 | 382 | 13.7% | 16.0% |
| 753.00 | 253 | - | 14.3% |
| 754.00 | 470 | 13.6% | 15.3% |
| 755.00 | 787 | 18.5% | 14.8% |
| 756.00 | 191 | 16.5% | 14.7% |
| 757.00 | 385 | 14.4% | 14.1% |
| 758.00 | 729 | 12.4% | 14.5% |
| 759.00 | 681 | 12.7% | 14.1% |
| 760.00 | 5,978 | 14.6% | 13.8% |
| 761.00 | 592 | 14.5% | 13.2% |
| 762.00 | 1,238 | 14.5% | 13.7% |
| 763.00 | 1,823 | 12.9% | 13.3% |
| 764.00 | 1,426 | 12.9% | 12.8% |
| 765.00 | 7,312 | 12.7% | 13.2% |
| 766.00 | 3,008 | 12.6% | 12.9% |
| 767.00 | 2,741 | 13.0% | 12.8% |
| 768.00 | 1,776 | 13.3% | 12.6% |
| 769.00 | 2,845 | 13.2% | 12.4% |
| 770.00 | 4,446 | 14.1% | 12.2% |
| 771.00 | 2,921 | 13.8% | 12.0% |
| 772.00 | 3,793 | 13.3% | 11.8% |
| 773.00 | 2,696 | 13.3% | 11.8% |
| 774.00 | 1,726 | 13.3% | 11.4% |
| 775.00 | 2,646 | 13.0% | 10.8% |
| 776.00 | 1,597 | 12.7% | 9.8% |
| 777.00 | 1,166 | 12.5% | 10.1% |
| 778.00 | 783 | 12.7% | 10.2% |
| 779.00 | 784 | 12.6% | 9.8% |
| 780.00 | 2,606 | 13.0% | 10.1% |
| 781.00 | 675 | 12.6% | 8.4% |
| 782.00 | 774 | 12.6% | 10.1% |
| 783.00 | 607 | 11.8% | 10.2% |
| 784.00 | 651 | 12.2% | 9.4% |
| 785.00 | 923 | 12.6% | 12.5% |
| 786.00 | 434 | 11.9% | 10.8% |
| 787.00 | 577 | 11.8% | 12.4% |
| 788.00 | 444 | 11.8% | 8.4% |
| 789.00 | 537 | 11.7% | 12.4% |
| 790.00 | 842 | 12.8% | 10.8% |
| 791.00 | 349 | 11.6% | 9.7% |
| 792.00 | 438 | 11.2% | 12.4% |
| 793.00 | 258 | 12.0% | - |
| 794.00 | 133 | 12.5% | - |
| 795.00 | 508 | 12.0% | 11.6% |
| 796.00 | 102 | 11.9% | 12.4% |
| 797.00 | 155 | 11.8% | - |
| 798.00 | 73 | 12.5% | 12.4% |
| 799.00 | 43 | 11.9% | - |
| 800.00 | 508 | 12.4% | 12.3% |
| 801.00 | 63 | 11.8% | 12.4% |
| 802.00 | 50 | 16.2% | - |
| 803.00 | 24 | 12.3% | - |
| 804.00 | 40 | 13.1% | - |
| 805.00 | 203 | 11.8% | 12.4% |
| 806.00 | 37 | 11.6% | - |
| 807.00 | 46 | 11.7% | - |
| 808.00 | 33 | 11.7% | - |
| 809.00 | 47 | 12.5% | - |
| 810.00 | 574 | 13.5% | 12.9% |
| 811.00 | 6 | 11.7% | - |
| 812.00 | 11 | 12.1% | - |
| 813.00 | 41 | 11.7% | - |
| 814.00 | 16 | 11.6% | - |
| 815.00 | 279 | 14.0% | - |
| 816.00 | 17 | 11.7% | - |
| 817.00 | 18 | 11.5% | - |
| 818.00 | 10 | 11.6% | - |
| 819.00 | 13 | 11.7% | - |
| 820.00 | 353 | 13.2% | - |
| 824.00 | 2 | 12.2% | - |
| 825.00 | 21 | 12.0% | - |
| 827.00 | 3 | 15.8% | - |
| 830.00 | 2,176 | 14.1% | 12.4% |
| 835.00 | 1,986 | 14.1% | 12.4% |
| 840.00 | 126 | 13.7% | 12.4% |
| 845.00 | 76 | 13.5% | 12.4% |
| 850.00 | 27 | 12.9% | 12.4% |
| 855.00 | 3 | 12.8% | - |
| 860.00 | 13 | 14.1% | - |
| 865.00 | 2 | 12.2% | - |
| 870.00 | 4 | 12.5% | - |
| 885.00 | 5 | 13.6% | - |
| 890.00 | 204 | 13.1% | 12.4% |
| 895.00 | 1 | 12.9% | - |