USO Options History — September 2025 In September 2025, USO traded between $72.63 and $77.19. ATM implied volatility averaged 28.6%, placing in the 17.3% IV rank vs the trailing year. The 30-day expected move averaged 8.2%. IV traded above realized volatility by 4.8% (HV 20d: 23.8%). Max pain ranged from $73.00 to $75.00. Net GEX was positive for 10 of 21 trading days. Term structure was in contango for 17 of 21 days. Put/call ratio averaged 1.47.
Notable Days 2025-09-19 : Highest Volume — 97,879 contracts2025-09-25 : Largest IV spike — 6.8% change2025-09-03 : Highest IV Rank — 22.2%2025-09-25 : Largest Expected Move — 9.0%Monthly Statistics Metric Avg Min Max Open Close Price $74.59 $72.63 $77.19 $76.81 $73.75 Max Pain $73.38 $73.00 $75.00 $75.00 $74.00 ATM IV 28.6% 26.4% 30.8% 29.8% 30.3% Expected Move 8.2% 7.5% 9.0% 8.6% 8.4% HV 20d 23.8% 20.6% 27.5% 20.6% 26.0% HV 60d 28.7% 23.2% 35.5% 35.0% 24.3% IV Rank 17.3% 12.2% 22.2% 19.8% 21.0% IV Percentile 31.0% 11.5% 51.6% 39.7% 50.0% Term Structure 0.3% -0.1% 0.6% 0.4% 0.6% VWIV 30.1% 27.2% 34.3% 30.7% 31.0% Skew 25d 0.2% -1.4% 2.0% 0.3% 0.2% Skew 10d 0.1% -4.4% 5.3% -0.7% -0.5% Call IV 25d 29.6% 26.8% 32.7% 30.8% 31.4% Put IV 25d 29.8% 27.3% 32.4% 31.0% 31.6% Bid-Ask Spread % 13.03 5.49 39.19 13.65 9.80 Gamma HHI 0.10 0.06 0.17 0.10 0.09 Net GEX -1.4M -20.2M 17.7M 11.2M -2.0M Net DEX -34.1M -338.6M 248.3M -248.3M 54.7M Net VEX -2.6M -2.9M -2.2M -2.7M -2.9M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 1.47 0.46 3.14 0.97 1.63 Total Volume 44,205.19 14,621 97,879 45,181 39,634 Total OI 379,408.19 320,672 406,437 379,919 391,901
Daily Data (21 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 Vol Put Vol Call OI Put OI 2025-09-02 $76.81 $75.00 29.8% 8.6% 20.6% 19.8% 30.7% 0.3% 0.4% 11.2M -248.3M -2.7M 0.97 13.65 22,990 22,191 182,576 197,343 2025-09-03 $74.78 $75.00 30.8% 8.8% 22.2% 22.2% 31.5% 1.0% -0.0% 1.7M 17.6M -2.7M 3.14 14.78 10,248 32,145 187,299 201,810 2025-09-04 $74.06 $73.00 30.8% 8.8% 21.5% 22.1% 31.7% 1.9% -0.1% -5.8M 75.8M -2.6M 2.50 12.82 10,111 25,273 187,105 197,655 2025-09-05 $72.63 $73.00 30.1% 8.6% 22.6% 20.6% 30.7% 2.0% 0.2% -19.7M 248.3M -2.5M 1.30 11.48 24,361 31,647 190,629 207,434 2025-09-08 $73.03 $73.00 29.3% 8.4% 22.7% 18.8% 29.9% 1.3% -0.0% -17.2M 156.7M -2.4M 2.77 10.97 7,848 21,721 192,334 196,760 2025-09-09 $73.50 $73.00 28.2% 8.2% 22.7% 16.4% 29.8% 0.6% 0.2% -20.2M 105.2M -2.4M 0.52 14.56 23,859 12,499 193,909 199,113 2025-09-10 $74.78 $73.00 28.0% 8.1% 23.0% 15.8% 29.4% -0.8% 0.2% 9.2M -89.8M -2.5M 1.69 11.47 17,902 30,237 198,977 201,063 2025-09-11 $73.02 $73.00 27.3% 7.9% 24.6% 14.3% 28.6% 0.2% 0.2% -9.0M 161.2M -2.4M 1.83 10.54 14,742 26,937 190,829 199,002 2025-09-12 $73.41 $73.00 26.6% 7.7% 23.8% 12.7% 27.9% 0.1% 0.3% -13.1M 88.7M -2.4M 0.46 12.50 29,851 13,591 195,801 201,840 2025-09-15 $74.25 $73.00 26.7% 7.7% 23.5% 12.9% 28.2% -0.4% 0.5% -6.3M -31.8M -2.4M 0.80 15.61 8,129 6,492 190,697 193,594 2025-09-16 $75.65 $73.00 27.9% 8.0% 24.3% 15.5% 30.2% -1.1% 0.1% 16.7M -259.6M -2.5M 1.90 18.66 15,857 30,126 195,540 195,182 2025-09-17 $74.94 $73.00 27.5% 7.9% 24.3% 14.7% 29.2% 0.0% 0.1% 2.8M -109.1M -2.4M 1.46 39.19 9,101 13,282 202,144 204,293 2025-09-18 $74.65 $73.00 27.1% 7.7% 23.8% 13.7% 29.2% -0.1% 0.5% 3.6M -32.4M -2.3M 2.00 9.72 12,066 24,102 198,987 196,099 2025-09-19 $73.53 $73.00 26.4% 7.5% 24.2% 12.2% 27.2% 0.5% 0.6% -13.8M 174.1M -2.2M 1.33 9.55 42,071 55,808 198,197 199,483 2025-09-22 $73.45 $73.00 26.9% 7.6% 24.1% 13.4% 27.4% 1.4% 0.4% -9.0M 44.8M -2.5M 1.53 18.54 13,031 19,994 154,167 166,505 2025-09-23 $75.10 $73.00 27.8% 7.9% 24.9% 15.4% 29.1% 0.7% 0.4% -191.4K -147.5M -2.6M 0.74 12.61 19,774 14,558 162,529 169,273 2025-09-24 $76.44 $73.00 28.6% 8.4% 24.4% 17.3% 29.7% -0.1% 0.4% 17.0M -279.6M -2.7M 1.43 6.94 23,397 33,366 165,529 178,595 2025-09-25 $76.82 $74.00 30.6% 9.0% 24.3% 21.7% 33.6% -1.4% 0.5% 2.6M -272.3M -2.8M 0.70 7.73 17,993 12,597 169,142 179,823 2025-09-26 $77.19 $74.00 30.4% 8.8% 24.3% 21.2% 34.3% -1.4% -0.0% 17.7M -338.6M -2.8M 0.94 7.00 41,601 38,917 178,155 185,175 2025-09-29 $74.53 $74.00 30.1% 8.6% 27.5% 20.7% 32.0% -0.1% 0.4% 4.4M -35.1M -2.8M 1.31 5.49 25,241 33,019 189,622 181,461 2025-09-30 $73.75 $74.00 30.3% 8.4% 26.0% 21.0% 31.0% 0.2% 0.6% -2.0M 54.7M -2.9M 1.63 9.80 15,051 24,583 201,972 189,929
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