UNH Options History — February 2017

In February 2017, UNH traded between $156.59 and $165.53. ATM implied volatility averaged 15.9%, placing in the 18.2% IV rank vs the trailing year. The 30-day expected move averaged 4.6%. IV traded above realized volatility by 1.5% (HV 20d: 14.4%). Max pain ranged from $155.00 to $160.00. Net GEX was positive for 17 of 19 trading days. Term structure was in contango for 12 of 19 days. Put/call ratio averaged 1.48.

Notable Days

2017-02-17: Highest Volume — 29,564 contracts
2017-02-17: Largest IV spike — 19.1% change
2017-02-17: Highest IV Rank — 37.7%
2017-02-01: Largest Expected Move — 5.2%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$161.81	$156.59	$165.53	$162.50	$165.53
Max Pain	$157.37	$155.00	$160.00	$160.00	$160.00
ATM IV	15.9%	14.8%	17.9%	17.2%	16.1%
Expected Move	4.6%	4.3%	5.2%	5.2%	4.7%
HV 20d	14.4%	8.9%	21.2%	10.3%	21.0%
HV 60d	15.9%	13.7%	17.6%	17.4%	15.8%
IV Rank	18.2%	8.5%	37.7%	20.9%	23.6%
IV Percentile	15.3%	6.3%	36.5%	26.2%	18.7%
Term Structure	0.1%	-1.2%	0.8%	-0.6%	-0.5%
VWIV	16.9%	15.6%	20.9%	16.3%	20.9%
Skew 25d	2.7%	1.6%	3.4%	3.3%	2.6%
Skew 10d	6.1%	4.4%	7.4%	7.4%	5.1%
Call IV 25d	14.9%	13.9%	16.9%	15.8%	15.3%
Put IV 25d	17.6%	16.2%	20.0%	19.1%	18.0%
Bid-Ask Spread %	25.63	10.59	63.28	63.28	15.72
Gamma HHI	0.21	0.16	0.33	0.17	0.22
Net GEX	12.5M	-17.8M	36.8M	14.0M	17.2M
Net DEX	-158.0M	-305.1M	103.2M	-194.2M	-295.2M
Net VEX	-3.1M	-3.2M	-3.0M	-3.2M	-3.2M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.48	0.80	2.37	2.37	1.04
Total Volume	12,915.053	8,587	29,564	14,711	21,581
Total OI	148,245.421	133,004	156,408	145,888	141,989

Daily Data (19 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
2017-02-01	$162.50	$160.00	17.2%	5.2%	10.3%	20.9%	16.3%	3.3%	-0.6%	14.0M	-194.2M	-3.2M	2.37	63.28	4,371	10,340	60,243	85,645
2017-02-02	$160.85	$155.00	16.6%	4.9%	10.9%	17.6%	17.4%	2.8%	0.4%	-8.3M	-96.5M	-3.2M	1.47	39.47	6,534	9,594	61,899	90,032
2017-02-03	$161.93	$155.00	14.8%	4.6%	11.2%	8.5%	16.6%	2.2%	0.3%	14.8M	-158.5M	-3.2M	2.15	46.38	3,079	6,622	63,307	90,976
2017-02-06	$160.53	$155.00	15.8%	4.6%	11.5%	13.4%	16.5%	3.4%	0.4%	8.8M	-96.0M	-3.2M	2.05	40.63	3,371	6,913	61,230	85,108
2017-02-07	$160.28	$155.00	15.7%	4.6%	11.5%	12.9%	16.7%	3.4%	0.5%	3.3M	-59.3M	-3.2M	1.52	37.07	4,026	6,105	62,673	87,308
2017-02-08	$160.35	$155.00	15.3%	4.6%	11.5%	11.6%	15.6%	3.0%	0.6%	3.5M	-65.0M	-3.2M	1.88	36.63	2,986	5,601	64,269	88,110
2017-02-09	$160.61	$155.00	16.1%	4.6%	11.5%	16.0%	16.5%	2.1%	-0.1%	1.8M	-82.5M	-3.1M	1.48	19.91	4,808	7,130	64,770	89,143
2017-02-10	$160.85	$160.00	15.2%	4.4%	11.5%	10.8%	15.6%	2.5%	0.2%	3.6M	-100.2M	-3.1M	1.53	19.78	4,180	6,390	65,721	89,977
2017-02-13	$161.99	$155.00	15.5%	4.5%	11.8%	13.8%	16.4%	2.7%	-0.5%	14.4M	-158.4M	-3.1M	1.74	17.54	3,153	5,498	63,329	87,720
2017-02-14	$162.90	$155.00	15.0%	4.3%	11.1%	13.9%	15.7%	2.9%	0.8%	26.4M	-243.0M	-3.1M	1.21	13.99	5,354	6,467	64,438	88,293
2017-02-15	$164.34	$155.00	15.1%	4.3%	8.9%	15.0%	17.0%	2.7%	-0.0%	36.8M	-303.2M	-3.0M	1.51	13.67	3,955	5,960	65,938	89,488
2017-02-16	$163.65	$160.00	15.0%	4.3%	8.9%	14.0%	16.5%	2.9%	0.8%	36.3M	-274.7M	-3.0M	1.17	15.40	5,130	6,009	66,402	89,761
2017-02-17	$156.59	$160.00	17.9%	5.2%	18.5%	37.7%	18.2%	3.1%	-1.2%	-17.8M	103.2M	-3.0M	1.52	10.59	11,729	17,835	65,420	90,988
2017-02-21	$160.69	$155.00	16.6%	4.8%	20.7%	27.8%	17.0%	2.5%	0.1%	3.7M	-114.7M	-3.2M	0.80	19.47	8,619	6,873	50,894	82,110
2017-02-22	$160.65	$160.00	16.4%	4.7%	20.5%	26.1%	17.1%	2.5%	-0.1%	8.1M	-124.3M	-3.2M	1.07	21.44	4,861	5,192	53,784	84,056
2017-02-23	$162.41	$160.00	15.5%	4.5%	20.8%	18.6%	16.0%	2.4%	0.3%	20.5M	-207.8M	-3.2M	1.18	20.14	4,183	4,943	54,618	85,717
2017-02-24	$162.73	$160.00	16.1%	4.6%	20.6%	23.6%	16.5%	1.6%	0.0%	30.5M	-226.1M	-3.2M	0.95	19.87	5,783	5,484	55,602	87,089
2017-02-27	$165.06	$160.00	15.6%	4.6%	21.2%	19.8%	17.8%	2.2%	0.2%	20.1M	-305.1M	-3.2M	1.43	16.06	6,061	8,666	53,935	84,681
2017-02-28	$165.53	$160.00	16.1%	4.7%	21.0%	23.6%	20.9%	2.6%	-0.5%	17.2M	-295.2M	-3.2M	1.04	15.72	10,563	11,018	54,558	87,431