OXY Options History — October 2025 In October 2025, OXY traded between $40.59 and $47.81. ATM implied volatility averaged 33.6%, placing in the 20.7% IV rank vs the trailing year. The 30-day expected move averaged 9.8%. IV traded below realized volatility by 2.3% (HV 20d: 36.0%). Max pain ranged from $42.50 to $45.00. Net GEX was positive for 8 of 23 trading days. Term structure was in contango for 14 of 23 days. Put/call ratio averaged 0.48.
Notable Days 2025-10-02 : Highest Volume — 232,236 contracts2025-10-10 : Largest IV spike — 6.9% change2025-10-16 : Highest IV Rank — 27.5%2025-10-16 : Largest Expected Move — 10.6%Monthly Statistics Metric Avg Min Max Open Close Price $42.75 $40.59 $47.81 $47.81 $41.22 Max Pain $43.91 $42.50 $45.00 $45.00 $42.50 ATM IV 33.6% 31.0% 36.9% 31.8% 33.3% Expected Move 9.8% 8.6% 10.6% 9.3% 10.1% HV 20d 36.0% 25.8% 40.8% 25.8% 29.0% HV 60d 29.7% 26.5% 30.6% 26.5% 29.9% IV Rank 20.7% 15.2% 27.5% 16.7% 20.0% IV Percentile 69.2% 47.2% 89.7% 54.4% 63.1% Term Structure 0.6% -2.0% 8.6% 0.7% 0.5% VWIV 34.6% 31.1% 37.0% 33.0% 35.8% Skew 25d 0.8% -1.3% 1.8% 1.7% -0.5% Skew 10d 1.8% -4.7% 4.1% 3.6% 2.1% Call IV 25d 33.7% 31.1% 37.2% 31.6% 33.9% Put IV 25d 34.5% 32.1% 37.9% 33.2% 33.3% Bid-Ask Spread % 20.41 4.08 50.84 18.63 30.13 Gamma HHI 0.10 0.07 0.18 0.11 0.09 Net GEX -1.5M -15.4M 24.7M 24.7M -908.2K Net DEX 74.3M -474.7M 368.6M -474.7M 160.6M Net VEX -6.7M -7.0M -6.4M -6.7M -6.7M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 0.48 0.20 0.98 0.47 0.31 Total Volume 64,133.609 31,593 232,236 49,717 37,085 Total OI 1,001,460.739 908,146 1,062,364 908,146 1,034,858
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 $47.81 $45.00 31.8% 9.3% 25.8% 16.7% 33.0% 1.7% 0.7% 24.7M -474.7M -6.7M 0.47 18.63 N/A N/A 33,937 15,780 506,466 401,680 2025-10-02 $44.41 $45.00 32.4% 9.4% 37.0% 18.1% 33.7% 0.8% 0.9% -7.4M 28.5M -6.4M 0.42 4.20 N/A N/A 163,743 68,493 516,170 409,653 2025-10-03 $44.89 $45.00 31.0% 8.6% 36.7% 15.2% 31.1% 1.0% 1.1% 7.3M -89.0M -6.8M 0.36 4.08 N/A N/A 79,584 28,385 580,297 439,027 2025-10-06 $45.45 $45.00 31.4% 9.3% 36.8% 15.9% 32.8% 0.7% 0.8% 6.7M -219.1M -6.9M 0.26 10.64 N/A N/A 56,699 14,784 557,200 426,639 2025-10-07 $45.30 $45.00 31.7% 9.4% 36.8% 16.7% 32.5% 1.3% 1.1% 6.1M -189.7M -6.9M 0.20 11.78 N/A N/A 57,089 11,507 566,838 431,568 2025-10-08 $45.07 $45.00 31.5% 9.3% 36.2% 16.1% 32.9% 1.2% 1.3% 5.2M -172.1M -7.0M 0.62 11.25 N/A N/A 23,181 14,293 581,124 436,863 2025-10-09 $44.58 $45.00 32.4% 9.4% 36.3% 18.0% 33.5% -0.2% 1.3% -1.6M -95.8M -7.0M 0.64 5.01 N/A N/A 32,417 20,732 587,367 440,063 2025-10-10 $42.27 $45.00 34.6% 10.2% 40.7% 22.7% 36.1% -1.3% 3.0% -7.9M 261.2M -6.7M 0.79 39.21 N/A N/A 55,216 43,747 595,975 444,853 2025-10-13 $42.47 $45.00 34.0% 9.8% 40.8% 21.5% 34.6% 0.9% -0.6% -10.4M 196.3M -6.7M 0.34 20.81 N/A N/A 43,875 14,906 577,656 436,890 2025-10-14 $42.20 $45.00 35.4% 10.0% 35.7% 24.3% 35.3% 1.0% -0.6% -9.4M 198.5M -6.7M 0.57 29.74 N/A N/A 26,187 15,056 594,346 440,521 2025-10-15 $41.90 $45.00 36.2% 9.9% 35.7% 26.0% 34.9% 0.7% -1.6% -11.8M 244.1M -6.6M 0.27 8.44 N/A N/A 30,220 8,134 601,849 443,615 2025-10-16 $40.87 $45.00 36.9% 10.6% 36.1% 27.5% 37.0% 0.7% 0.2% -15.4M 368.6M -6.5M 0.64 17.76 N/A N/A 31,085 19,749 612,536 445,014 2025-10-17 $40.89 $45.00 35.0% 10.1% 35.8% 23.5% 35.5% 0.9% 0.4% -11.9M 327.9M -6.5M 0.88 16.90 N/A N/A 38,793 34,299 622,835 439,529 2025-10-20 $41.05 $42.50 34.6% 9.9% 35.9% 22.8% 34.9% 1.3% -0.7% -5.7M 230.9M -6.4M 0.39 23.89 N/A N/A 24,648 9,558 549,410 388,331 2025-10-21 $40.91 $42.50 33.8% 9.7% 35.4% 21.0% 34.2% 1.2% -1.1% -5.8M 246.0M -6.4M 0.38 20.60 N/A N/A 30,151 11,506 558,961 394,068 2025-10-22 $41.78 $42.50 34.4% 9.9% 36.5% 22.3% 35.1% 1.8% -1.3% -737.0K 130.2M -6.7M 0.98 25.17 N/A N/A 34,826 34,288 570,827 400,272 2025-10-23 $43.05 $42.50 35.1% 10.1% 38.6% 23.7% 35.3% 1.5% -1.2% 9.5M -92.7M -7.0M 0.27 18.49 N/A N/A 87,333 23,319 584,769 403,827 2025-10-24 $42.61 $42.50 33.8% 9.9% 38.0% 21.1% 34.5% 1.2% -2.0% 11.6M -51.3M -7.0M 0.43 14.43 N/A N/A 24,202 10,480 602,655 403,716 2025-10-27 $42.27 $42.50 33.6% 10.0% 37.7% 20.6% 34.7% 1.3% 8.6% 1.6M 36.9M -6.7M 0.38 23.00 N/A N/A 22,878 8,715 581,900 398,820 2025-10-28 $40.89 $42.50 33.0% 10.1% 38.7% 19.4% 35.9% 1.2% 3.0% -5.0M 202.0M -6.6M 0.44 34.14 N/A N/A 31,559 13,793 590,454 401,888 2025-10-29 $40.59 $42.50 33.7% 10.3% 37.8% 20.7% 36.7% 0.2% -0.8% -6.5M 246.0M -6.5M 0.48 50.84 N/A N/A 27,902 13,430 600,070 409,249 2025-10-30 $40.80 $42.50 33.9% 10.4% 29.0% 21.3% 36.3% -0.1% 1.0% -5.7M 216.6M -6.6M 0.44 30.24 N/A N/A 32,921 14,588 608,645 414,303 2025-10-31 $41.22 $42.50 33.3% 10.1% 29.0% 20.0% 35.8% -0.5% 0.5% -908.2K 160.6M -6.7M 0.31 30.13 N/A N/A 28,328 8,757 614,975 419,883
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