OXY Options History — December 2025

In December 2025, OXY traded between $39.00 and $42.63. ATM implied volatility averaged 26.9%, placing in the 5.9% IV rank vs the trailing year. The 30-day expected move averaged 7.9%. IV traded above realized volatility by 2.6% (HV 20d: 24.3%). Max pain ranged from $41.50 to $45.00. Net GEX was positive for 10 of 22 trading days. Term structure was in contango for 17 of 22 days. Put/call ratio averaged 0.67.

Notable Days

2025-12-30: Highest Volume — 122,200 contracts
2025-12-08: Largest IV spike — 7.7% change
2025-12-08: Highest IV Rank — 9.3%
2025-12-02: Largest Expected Move — 8.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$41.00	$39.00	$42.63	$42.45	$41.11
Max Pain	$43.14	$41.50	$45.00	$42.50	$41.50
ATM IV	26.9%	25.6%	28.6%	27.7%	27.4%
Expected Move	7.9%	7.3%	8.3%	8.2%	7.9%
HV 20d	24.3%	19.8%	30.1%	20.9%	30.1%
HV 60d	28.9%	26.2%	30.3%	29.3%	26.7%
IV Rank	5.9%	2.8%	9.3%	8.2%	6.5%
IV Percentile	9.6%	2.0%	20.2%	14.7%	12.7%
Term Structure	0.5%	-0.8%	1.9%	0.5%	0.9%
VWIV	27.8%	25.8%	29.9%	28.6%	28.8%
Skew 25d	1.7%	0.0%	3.5%	1.8%	0.9%
Skew 10d	2.9%	-0.4%	5.1%	5.0%	4.3%
Call IV 25d	26.4%	24.5%	28.4%	26.8%	27.8%
Put IV 25d	28.0%	25.9%	29.7%	28.6%	28.7%
Bid-Ask Spread %	26.18	11.51	53.39	42.61	32.95
Gamma HHI	0.14	0.10	0.29	0.11	0.11
Net GEX	2.0M	-23.9M	33.7M	14.5M	33.7M
Net DEX	104.8M	-153.9M	440.7M	-61.1M	-153.9M
Net VEX	-5.9M	-6.4M	-5.3M	-6.2M	-6.0M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.67	0.13	2.63	0.45	0.62
Total Volume	53,480.455	19,123	122,200	48,749	68,521
Total OI	1,000,658.364	921,155	1,049,562	953,931	1,044,995

Daily Data (22 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
2025-12-01	$42.45	$42.50	27.7%	8.2%	20.9%	8.2%	28.6%	1.8%	0.5%	14.5M	-61.1M	-6.2M	0.45	42.61	N/A	N/A	33,737	15,012	567,052	386,879
2025-12-02	$42.00	$42.50	26.8%	8.3%	21.1%	6.3%	29.9%	2.8%	0.4%	12.4M	35.3M	-6.2M	1.00	36.67	N/A	N/A	24,319	24,434	582,525	401,668
2025-12-03	$42.55	$42.50	27.0%	8.3%	20.1%	6.7%	29.0%	3.5%	0.7%	19.1M	-87.9M	-6.4M	0.36	53.39	N/A	N/A	26,337	9,511	590,253	415,450
2025-12-04	$42.58	$45.00	26.5%	8.1%	19.9%	5.8%	28.0%	2.5%	0.7%	29.0M	-105.0M	-6.3M	0.42	24.50	N/A	N/A	19,846	8,378	611,553	418,221
2025-12-05	$42.63	$45.00	26.3%	8.0%	19.8%	5.4%	28.2%	1.6%	1.6%	18.5M	-134.4M	-6.2M	0.29	27.72	N/A	N/A	38,102	11,180	616,144	423,136
2025-12-08	$41.44	$45.00	28.3%	8.2%	21.6%	9.3%	29.5%	2.5%	0.2%	-4.0M	163.0M	-6.1M	0.92	25.99	N/A	N/A	26,815	24,689	591,823	414,737
2025-12-09	$41.66	$45.00	27.7%	8.1%	21.2%	8.0%	28.9%	1.9%	0.4%	-2.1M	143.4M	-6.1M	0.17	22.80	N/A	N/A	34,072	5,785	599,505	425,415
2025-12-10	$41.69	$45.00	26.9%	8.2%	21.1%	5.5%	28.7%	3.3%	1.9%	1.7M	114.4M	-6.2M	0.38	35.02	N/A	N/A	13,827	5,296	600,336	428,375
2025-12-11	$41.09	$45.00	27.5%	8.1%	21.6%	6.8%	28.1%	1.2%	0.6%	-9.2M	178.6M	-6.0M	0.63	20.72	N/A	N/A	46,624	29,400	604,532	418,340
2025-12-12	$41.09	$42.50	26.9%	7.9%	21.5%	5.6%	26.5%	1.1%	1.0%	-12.2M	147.9M	-5.9M	0.43	15.84	N/A	N/A	25,905	11,174	623,613	412,523
2025-12-15	$40.11	$42.50	26.9%	7.8%	21.1%	5.6%	28.0%	0.0%	-0.3%	-15.7M	288.3M	-5.6M	0.51	22.43	N/A	N/A	52,948	26,826	601,917	404,240
2025-12-16	$39.00	$42.50	26.7%	7.7%	21.6%	5.2%	27.7%	1.0%	0.6%	-15.8M	440.7M	-5.3M	1.13	22.86	N/A	N/A	28,494	32,081	608,313	407,082
2025-12-17	$40.85	$42.50	28.6%	8.2%	27.1%	9.1%	28.7%	1.2%	-0.8%	-4.3M	111.8M	-5.8M	0.50	30.27	N/A	N/A	38,216	18,955	618,114	409,595
2025-12-18	$39.77	$42.50	27.4%	7.8%	27.6%	6.7%	27.3%	0.5%	-0.2%	-23.9M	319.4M	-5.6M	1.39	16.16	N/A	N/A	28,270	39,430	622,443	417,915
2025-12-19	$39.72	$42.50	26.1%	7.5%	27.6%	3.8%	26.2%	1.1%	-0.0%	-12.1M	336.3M	-5.5M	0.40	26.51	N/A	N/A	32,377	12,842	630,082	419,480
2025-12-22	$40.25	$42.50	26.2%	7.5%	28.1%	4.1%	26.1%	0.9%	0.2%	-162.2K	126.1M	-5.6M	0.54	13.87	N/A	N/A	27,435	14,686	566,822	354,333
2025-12-23	$40.20	$42.50	25.9%	7.4%	28.0%	3.4%	26.0%	2.5%	0.1%	-684.6K	130.1M	-5.7M	0.34	40.82	N/A	N/A	49,253	16,845	581,039	363,191
2025-12-24	$40.06	$42.50	25.6%	7.3%	28.0%	2.9%	25.8%	1.4%	0.3%	792.9K	139.3M	-5.6M	2.63	15.52	N/A	N/A	10,048	26,381	586,032	370,901
2025-12-26	$39.78	$42.50	25.6%	7.3%	28.0%	2.8%	26.3%	1.4%	1.0%	-6.2M	214.7M	-5.4M	1.08	17.73	N/A	N/A	23,615	25,394	589,114	371,558
2025-12-29	$40.38	$42.50	26.5%	7.6%	28.3%	4.7%	27.3%	2.0%	0.9%	2.1M	99.9M	-5.6M	0.43	19.95	N/A	N/A	33,096	14,214	573,879	372,924
2025-12-30	$41.55	$42.50	27.8%	8.1%	30.1%	7.5%	28.1%	1.3%	-0.3%	18.4M	-140.6M	-5.9M	0.13	11.51	N/A	N/A	108,307	13,893	589,067	379,368
2025-12-31	$41.11	$41.50	27.4%	7.9%	30.1%	6.5%	28.8%	0.9%	0.9%	33.7M	-153.9M	-6.0M	0.62	32.95	N/A	N/A	42,204	26,317	663,183	381,812