OXY Options History — May 2018

In May 2018, OXY traded between $76.35 and $86.02. ATM implied volatility averaged 21.1%, placing in the 34.7% IV rank vs the trailing year. The 30-day expected move averaged 6.0%. IV traded above realized volatility by 0.2% (HV 20d: 20.8%). Max pain ranged from $67.50 to $72.50. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 8 of 22 days. Put/call ratio averaged 0.77.

Notable Days

2018-05-09: Highest Volume — 34,518 contracts
2018-05-07: Largest IV spike — 9.4% change
2018-05-07: Highest IV Rank — 46.9%
2018-05-29: Largest Expected Move — 6.8%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$82.30	$76.35	$86.02	$76.35	$84.25
Max Pain	$69.66	$67.50	$72.50	$70.00	$72.50
ATM IV	21.1%	18.7%	23.8%	21.6%	21.8%
Expected Move	6.0%	5.3%	6.8%	6.7%	6.5%
HV 20d	20.8%	13.4%	26.3%	16.0%	26.3%
HV 60d	24.5%	22.9%	25.5%	24.3%	25.5%
IV Rank	34.7%	24.2%	46.9%	36.9%	38.1%
IV Percentile	60.4%	29.4%	90.5%	69.8%	72.2%
Term Structure	-0.2%	-1.8%	1.4%	0.5%	-0.6%
VWIV	21.8%	18.1%	24.8%	23.9%	24.8%
Skew 25d	2.5%	1.5%	3.2%	2.4%	2.9%
Skew 10d	4.9%	2.6%	7.0%	4.9%	6.4%
Call IV 25d	19.9%	17.8%	22.6%	20.6%	20.9%
Put IV 25d	22.4%	20.2%	25.1%	23.0%	23.8%
Bid-Ask Spread %	7.61	3.94	17.02	6.14	7.82
Gamma HHI	0.21	0.13	0.31	0.23	0.21
Net GEX	21.8M	9.5M	33.0M	28.8M	30.1M
Net DEX	-583.8M	-881.0M	-299.1M	-387.9M	-451.0M
Net VEX	-1.4M	-1.6M	-1.1M	-1.5M	-1.6M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.77	0.14	1.47	1.22	0.53
Total Volume	15,844.5	7,949	34,518	8,369	24,823
Total OI	188,883.545	173,936	207,885	174,218	197,196

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
2018-05-01	$76.35	$70.00	21.6%	6.7%	16.0%	36.9%	23.9%	2.4%	0.5%	28.8M	-387.9M	-1.5M	1.22	6.14	N/A	N/A	3,777	4,592	108,645	65,573
2018-05-02	$76.72	$70.00	20.9%	6.5%	15.9%	34.0%	23.0%	2.2%	1.2%	30.3M	-409.3M	-1.5M	1.23	9.30	N/A	N/A	3,564	4,385	109,249	67,082
2018-05-03	$77.23	$67.50	21.6%	6.2%	15.5%	37.0%	22.4%	2.2%	1.2%	30.6M	-439.3M	-1.5M	1.47	17.02	N/A	N/A	3,237	4,768	110,014	68,445
2018-05-04	$77.88	$67.50	21.8%	6.4%	15.1%	37.8%	21.7%	2.0%	1.4%	30.3M	-486.1M	-1.5M	0.73	10.78	N/A	N/A	5,354	3,903	110,724	70,413
2018-05-07	$77.47	$67.50	23.8%	6.6%	13.8%	46.9%	22.6%	2.4%	-1.3%	29.4M	-448.5M	-1.4M	0.74	7.16	N/A	N/A	7,094	5,271	109,598	69,049
2018-05-08	$78.01	$67.50	22.9%	6.3%	13.4%	43.2%	22.6%	1.9%	-1.1%	33.0M	-487.4M	-1.4M	1.06	14.47	N/A	N/A	5,084	5,389	111,930	71,334
2018-05-09	$82.19	$67.50	21.7%	5.8%	21.1%	37.5%	21.1%	1.8%	-1.8%	21.2M	-773.2M	-1.1M	0.61	7.67	N/A	N/A	21,499	13,019	117,375	73,391
2018-05-10	$83.93	$67.50	21.2%	5.8%	21.6%	35.4%	21.5%	2.0%	-1.4%	16.2M	-847.1M	-1.2M	1.06	4.07	N/A	N/A	9,925	10,499	123,456	78,244
2018-05-11	$84.91	$67.50	20.8%	5.8%	20.8%	33.6%	21.2%	1.5%	-0.9%	12.1M	-881.0M	-1.2M	0.47	6.17	N/A	N/A	16,038	7,505	124,268	80,843
2018-05-14	$84.58	$70.00	20.4%	5.8%	20.9%	32.0%	20.9%	2.7%	0.2%	10.6M	-764.1M	-1.2M	0.81	4.43	N/A	N/A	5,988	4,867	113,965	76,037
2018-05-15	$84.16	$70.00	20.8%	5.9%	21.2%	33.6%	21.7%	2.7%	0.7%	10.6M	-743.5M	-1.3M	0.89	4.74	N/A	N/A	5,128	4,568	114,871	77,223
2018-05-16	$84.17	$70.00	20.3%	5.8%	21.2%	31.2%	21.8%	2.8%	0.6%	10.5M	-747.4M	-1.2M	0.70	3.94	N/A	N/A	7,086	4,941	115,109	77,938
2018-05-17	$86.02	$70.00	20.5%	5.9%	21.9%	32.1%	19.4%	2.5%	-0.8%	9.5M	-817.1M	-1.2M	0.32	4.67	N/A	N/A	19,153	6,040	116,492	79,412
2018-05-18	$85.06	$70.00	19.1%	5.5%	22.8%	25.9%	18.1%	2.4%	0.2%	17.9M	-797.7M	-1.3M	0.14	8.21	N/A	N/A	25,923	3,688	127,380	80,505
2018-05-21	$85.84	$70.00	18.7%	5.3%	22.8%	24.2%	24.4%	2.5%	-0.2%	25.7M	-598.6M	-1.4M	0.26	5.27	N/A	N/A	18,437	4,755	109,243	64,693
2018-05-22	$85.04	$70.00	19.5%	5.6%	23.3%	27.6%	19.7%	2.8%	-0.0%	28.9M	-598.7M	-1.6M	1.16	6.98	N/A	N/A	6,086	7,074	123,451	66,753
2018-05-23	$85.10	$70.00	19.6%	5.5%	23.3%	28.0%	20.7%	2.7%	-0.0%	26.0M	-563.9M	-1.6M	0.66	4.25	N/A	N/A	6,066	3,993	120,529	69,862
2018-05-24	$83.84	$70.00	19.8%	5.7%	24.3%	29.3%	20.3%	2.9%	0.0%	21.0M	-489.0M	-1.6M	0.88	4.54	N/A	N/A	4,546	4,001	121,343	70,133
2018-05-25	$82.24	$72.50	21.4%	6.2%	25.5%	36.3%	22.0%	2.9%	-0.0%	17.0M	-401.3M	-1.5M	1.02	7.90	N/A	N/A	5,835	5,958	122,060	70,968
2018-05-29	$81.74	$72.50	23.1%	6.8%	25.7%	43.7%	22.5%	3.2%	-0.7%	14.9M	-299.1M	-1.5M	0.58	13.22	N/A	N/A	10,026	5,774	110,814	70,624
2018-05-30	$83.93	$72.50	22.2%	6.4%	26.3%	39.6%	23.7%	2.8%	-0.7%	24.4M	-412.6M	-1.5M	0.41	8.70	N/A	N/A	13,453	5,467	116,187	73,017
2018-05-31	$84.25	$72.50	21.8%	6.5%	26.3%	38.1%	24.8%	2.9%	-0.6%	30.1M	-451.0M	-1.6M	0.53	7.82	N/A	N/A	16,229	8,594	123,630	73,566