OXY Options History — December 2021

In December 2021, OXY traded between $26.86 and $31.01. ATM implied volatility averaged 51.3%, placing in the 13.6% IV rank vs the trailing year. The 30-day expected move averaged 14.8%. IV traded above realized volatility by 3.7% (HV 20d: 47.6%). Max pain ranged from $25.00 to $30.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 14 of 22 days. Put/call ratio averaged 0.65.

Notable Days

2021-12-29: Highest Volume — 131,181 contracts
2021-12-07: Largest IV drop — 10.1% change
2021-12-03: Highest IV Rank — 38.1%
2021-12-03: Largest Expected Move — 18.8%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$29.26	$26.86	$31.01	$29.30	$29.18
Max Pain	$25.68	$25.00	$30.00	$30.00	$25.00
ATM IV	51.3%	45.5%	60.8%	60.3%	45.5%
Expected Move	14.8%	12.4%	18.8%	18.2%	12.4%
HV 20d	47.6%	39.5%	52.7%	49.9%	39.5%
HV 60d	46.6%	43.3%	50.0%	50.0%	43.3%
IV Rank	13.6%	0.0%	38.1%	36.8%	0.0%
IV Percentile	25.8%	0.0%	66.3%	65.1%	0.0%
Term Structure	0.3%	-6.2%	2.2%	-0.0%	1.3%
VWIV	51.8%	43.6%	66.6%	63.3%	43.6%
Skew 25d	3.9%	1.9%	6.4%	5.6%	3.9%
Skew 10d	8.2%	-3.5%	22.3%	5.2%	7.8%
Call IV 25d	50.8%	43.8%	60.8%	59.3%	43.8%
Put IV 25d	54.8%	47.7%	67.2%	64.9%	47.7%
Bid-Ask Spread %	36.71	5.88	57.45	5.88	41.82
Gamma HHI	0.12	0.09	0.19	0.09	0.14
Net GEX	9.4M	3.2M	17.1M	9.6M	8.8M
Net DEX	-399.2M	-618.4M	-144.5M	-451.8M	-388.3M
Net VEX	-3.1M	-3.4M	-2.6M	-3.4M	-3.4M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.65	0.23	1.57	0.66	1.02
Total Volume	49,582.955	28,938	131,181	40,375	41,917
Total OI	906,350.455	797,655	958,633	923,703	958,633

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
2021-12-01	$29.30	$30.00	60.3%	18.2%	49.9%	36.8%	63.3%	5.6%	-0.0%	9.6M	-451.8M	-3.4M	0.66	5.88	N/A	N/A	24,265	16,110	621,768	301,935
2021-12-02	$29.60	$30.00	59.1%	17.5%	50.1%	33.5%	63.7%	4.8%	-0.9%	10.0M	-478.3M	-3.4M	0.77	6.77	N/A	N/A	27,410	21,092	624,625	303,466
2021-12-03	$29.08	$30.00	60.8%	18.8%	50.3%	38.1%	66.6%	6.4%	-2.0%	10.5M	-407.0M	-3.4M	0.57	6.61	N/A	N/A	24,118	13,755	629,203	311,071
2021-12-06	$29.84	$25.00	56.6%	16.1%	51.6%	27.0%	56.1%	5.7%	-0.0%	10.5M	-476.3M	-3.3M	0.70	37.82	N/A	N/A	20,838	14,625	599,639	302,074
2021-12-07	$31.01	$25.00	50.9%	14.9%	52.7%	12.0%	53.5%	2.3%	0.9%	14.3M	-618.4M	-3.3M	0.51	38.75	N/A	N/A	41,473	21,073	607,895	305,976
2021-12-08	$30.89	$25.00	49.2%	14.4%	52.7%	7.6%	50.6%	1.9%	1.4%	14.3M	-596.5M	-3.2M	0.51	37.68	N/A	N/A	37,152	18,961	615,243	309,556
2021-12-09	$30.37	$25.00	50.4%	14.6%	48.4%	10.6%	49.7%	2.7%	1.8%	11.7M	-508.2M	-3.2M	0.59	40.38	N/A	N/A	19,628	11,546	612,234	318,301
2021-12-10	$30.72	$25.00	47.9%	14.0%	48.5%	4.2%	49.1%	2.3%	0.5%	13.0M	-549.5M	-3.2M	1.11	40.36	N/A	N/A	13,785	15,244	617,138	319,716
2021-12-13	$29.35	$25.00	51.5%	14.5%	50.9%	13.6%	48.2%	2.9%	-6.2%	8.8M	-386.0M	-3.0M	0.73	40.04	N/A	N/A	18,399	13,448	600,524	311,945
2021-12-14	$28.71	$25.00	51.7%	14.8%	51.2%	14.3%	51.4%	4.2%	0.5%	6.3M	-293.3M	-3.0M	0.82	39.15	N/A	N/A	15,909	13,029	605,037	315,751
2021-12-15	$28.50	$25.00	51.0%	14.8%	51.2%	12.4%	52.2%	3.8%	2.2%	5.0M	-265.4M	-2.9M	0.37	42.86	N/A	N/A	34,284	12,730	611,193	318,625
2021-12-16	$28.41	$25.00	53.5%	15.2%	49.7%	18.9%	52.9%	2.5%	-0.6%	3.9M	-255.9M	-2.9M	0.45	39.57	N/A	N/A	41,284	18,574	621,158	320,426
2021-12-17	$27.98	$25.00	54.1%	15.4%	49.8%	20.5%	53.1%	3.5%	-0.5%	3.2M	-205.0M	-2.8M	0.61	39.31	N/A	N/A	25,136	15,275	626,695	324,631
2021-12-20	$26.86	$25.00	56.2%	16.1%	47.9%	26.1%	57.2%	5.2%	-0.5%	3.4M	-144.5M	-2.6M	0.23	38.30	N/A	N/A	68,773	15,583	522,618	275,037
2021-12-21	$28.45	$25.00	51.4%	14.7%	50.2%	13.3%	51.8%	4.3%	1.0%	6.5M	-317.7M	-2.9M	0.39	41.20	N/A	N/A	50,710	19,980	552,466	280,496
2021-12-22	$28.95	$25.00	48.4%	13.9%	46.4%	5.6%	48.6%	5.0%	1.8%	10.5M	-374.9M	-3.0M	0.52	44.20	N/A	N/A	27,629	14,482	579,300	287,677
2021-12-23	$28.95	$25.00	45.5%	13.0%	46.3%	0.0%	45.9%	4.3%	1.8%	17.1M	-374.5M	-2.9M	0.45	42.82	N/A	N/A	27,105	12,324	590,108	290,768
2021-12-27	$29.61	$25.00	45.8%	13.0%	40.2%	0.9%	45.9%	4.8%	0.9%	10.2M	-447.8M	-2.9M	0.45	57.45	N/A	N/A	26,232	11,901	566,591	286,815
2021-12-28	$29.66	$25.00	46.4%	12.9%	40.0%	2.3%	45.8%	3.4%	1.0%	11.3M	-458.6M	-2.9M	0.47	46.80	N/A	N/A	36,062	17,117	574,453	287,445
2021-12-29	$29.33	$25.00	45.9%	12.9%	40.1%	1.1%	46.1%	3.1%	1.5%	10.2M	-416.5M	-2.9M	1.57	39.76	N/A	N/A	51,016	80,165	581,634	293,093
2021-12-30	$29.05	$25.00	45.6%	12.6%	39.7%	0.1%	45.2%	3.5%	0.6%	7.1M	-368.1M	-3.4M	0.71	40.16	N/A	N/A	23,788	16,898	615,003	341,748
2021-12-31	$29.18	$25.00	45.5%	12.4%	39.5%	0.0%	43.6%	3.9%	1.3%	8.8M	-388.3M	-3.4M	1.02	41.82	N/A	N/A	20,709	21,208	615,148	343,485