S Options History — October 2025 In October 2025, S traded between $16.73 and $17.98. ATM implied volatility averaged 46.2%, placing in the 22.4% IV rank vs the trailing year. The 30-day expected move averaged 13.0%. IV traded above realized volatility by 11.4% (HV 20d: 34.7%). Max pain ranged from $18.00 to $18.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 13 of 23 days. Put/call ratio averaged 0.41.
Notable Days 2025-10-29 : Highest Volume — 16,883 contracts2025-10-31 : Largest IV spike — 7.6% change2025-10-15 : Highest IV Rank — 33.7%2025-10-16 : Largest Expected Move — 14.4%Monthly Statistics Metric Avg Min Max Open Close Price $17.42 $16.73 $17.98 $17.38 $17.82 Max Pain $18.00 $18.00 $18.00 $18.00 $18.00 ATM IV 46.2% 40.9% 51.5% 40.9% 51.5% Expected Move 13.0% 12.0% 14.4% 12.0% 13.5% HV 20d 34.7% 32.1% 40.7% 33.9% 40.7% HV 60d 43.0% 40.8% 46.1% 45.3% 41.0% IV Rank 22.4% 11.4% 33.7% 11.4% 33.6% IV Percentile 49.5% 33.3% 58.7% 33.3% 58.3% Term Structure 3.6% -3.7% 17.4% 1.2% 16.9% VWIV 46.0% 41.8% 50.2% 42.0% 47.2% Skew 25d -0.3% -4.0% 5.1% -0.6% -0.1% Skew 10d -2.6% -15.6% 15.5% -4.6% 0.3% Call IV 25d 45.8% 41.6% 50.1% 43.5% 47.9% Put IV 25d 45.4% 39.5% 48.8% 42.9% 47.8% Bid-Ask Spread % 60.50 19.93 80.77 38.07 80.77 Gamma HHI 0.09 0.08 0.16 0.08 0.16 Net GEX 2.2M 1.4M 3.4M 1.7M 3.4M Net DEX -79.0M -96.7M -57.1M -69.2M -94.5M Net VEX -900.3K -952.3K -851.0K -891.3K -900.2K Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 0.41 0.15 1.28 1.28 0.19 Total Volume 8,202.348 3,360 16,883 9,781 10,336 Total OI 296,114.13 286,748 305,146 287,147 297,714
Daily Data (23 trading days) Date Price Max Pain ATM IV Exp Move HV 20d IV Rank VWIV Skew 25d Term Str GEX DEX VEX P/C Spread % Call Wall Put Wall Call Vol Put Vol Call OI Put OI 2025-10-01 $17.38 $18.00 40.9% 12.0% 33.9% 11.4% 42.0% -0.6% 1.2% 1.7M -69.2M -891.3K 1.28 38.07 N/A N/A 4,286 5,495 220,717 66,430 2025-10-02 $17.70 $18.00 43.7% 12.0% 34.6% 17.2% 41.8% -3.0% 2.4% 1.7M -77.8M -922.1K 0.40 71.17 N/A N/A 3,446 1,387 222,003 69,306 2025-10-03 $17.96 $18.00 42.7% 12.2% 32.3% 15.1% 42.7% -0.6% 0.8% 1.5M -88.5M -932.2K 0.49 69.56 N/A N/A 5,584 2,755 223,076 69,749 2025-10-06 $17.94 $18.00 44.3% 12.7% 32.2% 18.6% 45.3% -0.6% -0.4% 2.4M -91.3M -921.9K 0.26 19.93 N/A N/A 6,592 1,727 220,535 66,213 2025-10-07 $17.23 $18.00 44.8% 12.7% 33.6% 19.6% 44.7% -1.0% -0.2% 1.7M -67.3M -875.5K 0.52 26.04 N/A N/A 10,531 5,433 222,290 67,252 2025-10-08 $17.91 $18.00 45.5% 12.9% 36.5% 21.1% 45.7% -1.2% 0.9% 2.3M -92.7M -946.3K 0.28 27.66 N/A N/A 6,535 1,847 227,507 71,392 2025-10-09 $17.98 $18.00 45.1% 12.8% 33.5% 20.2% 44.9% -1.1% -1.0% 2.3M -93.9M -952.3K 0.50 32.48 N/A N/A 2,236 1,124 229,334 72,415 2025-10-10 $17.31 $18.00 46.9% 13.3% 35.5% 23.9% 49.8% -2.3% -3.7% 1.7M -69.8M -906.2K 0.23 46.24 N/A N/A 8,343 1,920 229,695 72,485 2025-10-13 $17.26 $18.00 45.6% 13.0% 35.5% 21.3% 46.1% -0.9% 0.2% 1.6M -70.1M -886.7K 0.21 62.08 N/A N/A 4,227 909 227,518 69,512 2025-10-14 $17.13 $18.00 48.5% 13.8% 35.1% 27.4% 48.2% -0.8% -0.1% 1.7M -68.2M -888.0K 0.23 68.77 N/A N/A 8,997 2,081 229,945 69,703 2025-10-15 $16.86 $18.00 51.5% 13.5% 34.5% 33.7% 47.4% -3.5% -2.6% 1.6M -61.5M -868.8K 0.19 59.73 N/A N/A 5,620 1,091 231,765 69,701 2025-10-16 $16.73 $18.00 48.6% 14.4% 33.1% 27.6% 50.2% -1.4% 1.7% 1.4M -58.6M -867.3K 0.27 66.18 N/A N/A 5,432 1,450 233,998 70,105 2025-10-17 $16.73 $18.00 47.2% 13.5% 32.1% 24.7% 49.9% 0.1% -0.3% 1.4M -57.1M -860.3K 0.17 75.22 N/A N/A 13,458 2,245 234,972 70,174 2025-10-20 $17.16 $18.00 46.6% 13.3% 33.6% 23.3% 46.1% 0.9% 4.5% 2.2M -73.0M -890.0K 0.41 63.02 N/A N/A 4,692 1,918 224,209 65,908 2025-10-21 $17.77 $18.00 45.5% 12.9% 34.5% 21.0% 45.6% 0.8% -0.5% 2.8M -94.6M -937.0K 0.15 56.84 N/A N/A 7,381 1,073 225,689 66,953 2025-10-22 $17.41 $18.00 47.5% 13.6% 34.4% 25.2% 44.5% 1.6% -3.0% 2.7M -84.0M -914.0K 0.75 72.49 N/A N/A 2,383 1,777 228,296 67,174 2025-10-23 $17.38 $18.00 44.2% 12.8% 34.4% 18.4% 45.3% 0.4% -1.1% 2.9M -81.7M -898.3K 0.16 76.47 N/A N/A 5,502 854 229,021 68,316 2025-10-24 $17.71 $18.00 47.1% 13.6% 35.2% 24.3% 44.8% 2.7% 4.3% 3.3M -93.8M -925.0K 0.23 80.25 N/A N/A 4,027 923 231,817 68,770 2025-10-27 $17.62 $18.00 44.9% 13.0% 35.2% 19.7% 45.2% 5.1% 17.0% 2.6M -90.2M -899.2K 0.50 70.45 N/A N/A 4,234 2,137 225,301 66,448 2025-10-28 $17.73 $18.00 45.1% 12.0% 33.3% 20.1% 45.1% -4.0% 11.7% 2.8M -96.7M -916.9K 0.22 78.08 N/A N/A 4,057 878 227,285 67,676 2025-10-29 $16.86 $18.00 46.0% 13.1% 37.7% 22.1% 46.0% 2.0% 17.4% 2.0M -68.2M -856.9K 0.53 71.41 N/A N/A 11,009 5,874 228,299 68,075 2025-10-30 $17.00 $18.00 47.9% 13.5% 37.1% 26.0% 49.5% 0.1% 16.0% 2.0M -74.1M -851.0K 1.17 78.51 N/A N/A 2,234 2,614 228,902 66,980 2025-10-31 $17.82 $18.00 51.5% 13.5% 40.7% 33.6% 47.2% -0.1% 16.9% 3.4M -94.5M -900.2K 0.19 80.77 N/A N/A 8,719 1,617 229,450 68,264
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