S Options History — August 2025

In August 2025, S traded between $15.91 and $18.84. ATM implied volatility averaged 60.3%, placing in the 52.0% IV rank vs the trailing year. The 30-day expected move averaged 16.9%. IV traded above realized volatility by 13.3% (HV 20d: 47.0%). Max pain ranged from $19.00 to $20.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 2 of 21 days. Put/call ratio averaged 0.35.

Notable Days

  • 2025-08-28: Highest Volume — 49,660 contracts
  • 2025-08-29: Largest IV drop — 30.9% change
  • 2025-08-07: Highest IV Rank — 60.3%
  • 2025-08-26: Largest Expected Move — 19.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$17.00$15.91$18.84$17.95$18.84
Max Pain$19.33$19.00$20.00$19.00$19.00
ATM IV60.3%41.7%64.2%58.3%41.7%
Expected Move16.9%11.6%19.2%14.3%11.6%
HV 20d47.0%39.5%54.8%46.5%50.3%
HV 60d43.9%38.6%46.4%43.5%41.2%
IV Rank52.0%13.0%60.3%47.9%13.0%
IV Percentile71.2%36.5%79.8%64.3%36.5%
Term Structure-1.9%-4.2%3.9%3.9%0.3%
VWIV60.3%40.0%70.7%54.0%40.0%
Skew 25d-1.6%-3.5%3.4%-1.2%3.4%
Skew 10d-2.3%-20.2%22.9%-1.3%10.6%
Call IV 25d62.0%40.0%66.4%60.7%40.0%
Put IV 25d60.4%43.4%64.2%59.5%43.4%
Bid-Ask Spread %45.1923.1064.7364.7353.85
Gamma HHI0.090.070.130.090.13
Net GEX1.6M759.7K5.0M1.8M5.0M
Net DEX-45.0M-143.2M-11.3M-44.2M-143.2M
Net VEX-766.6K-926.4K-678.1K-766.5K-926.4K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.350.080.820.120.17
Total Volume14,426.6194,80849,66016,44047,819
Total OI280,772.857265,435330,863273,421330,863

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-08-01$17.95$19.0058.3%14.3%46.5%47.9%54.0%-1.2%3.9%1.8M-44.2M-766.5K0.1264.73N/AN/A14,6401,800209,50663,915
2025-08-04$18.38$20.0058.3%15.4%47.2%48.0%54.3%-0.5%-0.1%2.7M-63.1M-820.9K0.7738.86N/AN/A4,3693,345207,79061,520
2025-08-05$17.38$20.0057.9%15.3%51.0%47.2%54.9%1.3%-3.5%1.2M-31.8M-733.9K0.8236.10N/AN/A6,1745,058209,35663,979
2025-08-06$17.27$20.0059.6%15.5%51.0%50.6%54.9%-1.5%-2.4%1.2M-30.1M-733.6K0.1736.38N/AN/A7,8951,382211,64963,544
2025-08-07$16.55$20.0064.2%16.9%52.4%60.3%60.1%-1.5%-2.4%790.0K-16.8M-690.3K0.4441.42N/AN/A9,2544,081209,67264,320
2025-08-08$16.14$20.0062.7%16.8%51.0%57.2%60.3%-2.5%-4.2%769.5K-11.3M-678.1K0.4232.78N/AN/A9,3113,893214,26966,352
2025-08-11$15.91$19.0064.1%17.1%49.7%60.2%62.5%-2.3%-3.8%759.7K-13.8M-679.4K0.2626.91N/AN/A7,7712,050212,87365,650
2025-08-12$16.31$19.0061.9%16.9%50.8%55.6%59.9%-2.2%-2.6%1.0M-21.4M-703.4K0.2628.88N/AN/A6,0461,542216,71366,215
2025-08-13$17.07$20.0062.2%17.1%53.7%56.1%60.3%-0.7%-2.7%1.6M-43.2M-776.1K0.0823.10N/AN/A12,2801,000220,92766,530
2025-08-14$16.55$20.0062.6%17.3%54.6%57.0%61.6%-3.5%-2.3%1.3M-32.8M-760.3K0.7461.07N/AN/A3,6022,680227,07566,804
2025-08-15$16.84$19.0061.2%17.0%54.8%54.0%61.5%-1.6%-2.1%1.7M-41.7M-782.3K0.2456.68N/AN/A6,6931,590228,16467,047
2025-08-18$16.95$19.0060.1%17.0%41.4%51.7%61.8%-2.6%-0.0%1.5M-46.4M-786.5K0.3542.70N/AN/A4,8451,707201,33164,228
2025-08-19$17.04$19.0061.2%17.4%41.0%54.0%61.6%-2.6%-2.4%1.6M-48.6M-785.7K0.2949.43N/AN/A3,7241,084203,18864,818
2025-08-20$16.77$19.0060.8%17.4%40.8%53.1%62.5%-3.4%-0.4%1.3M-41.8M-763.3K0.3552.36N/AN/A4,8571,711204,06165,562
2025-08-21$16.55$19.0061.6%17.7%40.6%54.9%61.1%-2.8%-2.2%1.2M-35.7M-728.7K0.5350.62N/AN/A5,4342,903205,18566,098
2025-08-22$16.89$19.0060.5%17.6%41.5%52.5%63.3%-3.5%-3.3%1.3M-43.3M-759.1K0.2147.04N/AN/A9,1151,888204,85966,811
2025-08-25$16.56$19.0062.5%18.9%41.7%56.7%66.7%-1.4%-1.8%1.4M-41.2M-738.1K0.2149.38N/AN/A17,7243,687201,25264,183
2025-08-26$16.38$19.0062.3%19.2%39.5%56.4%70.7%-2.3%-2.5%1.4M-42.9M-776.5K0.2651.17N/AN/A7,7161,973214,57968,339
2025-08-27$17.14$19.0061.3%19.0%43.5%54.3%66.8%-1.3%-1.8%1.9M-65.6M-831.8K0.1053.56N/AN/A18,7491,907218,58269,603
2025-08-28$17.59$19.0060.3%19.0%44.1%52.2%67.5%-0.3%-3.1%2.5M-85.6M-877.8K0.4752.03N/AN/A33,67915,981228,37670,442
2025-08-29$18.84$19.0041.7%11.6%50.3%13.0%40.0%3.4%0.3%5.0M-143.2M-926.4K0.1753.85N/AN/A40,9546,865247,64483,219