UNH Options History — April 2017

In April 2017, UNH traded between $165.06 and $174.68. ATM implied volatility averaged 16.6%, placing in the 28.0% IV rank vs the trailing year. The 30-day expected move averaged 4.8%. IV traded above realized volatility by 4.7% (HV 20d: 11.9%). Max pain ranged from $165.00 to $165.00. Net GEX was positive for 17 of 19 trading days. Term structure was in contango for 8 of 19 days. Put/call ratio averaged 1.25.

Notable Days

2017-04-25: Highest Volume — 13,663 contracts
2017-04-18: Largest IV drop — 23.6% change
2017-04-17: Highest IV Rank — 54.1%
2017-04-05: Largest Expected Move — 6.0%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$168.75	$165.06	$174.68	$165.76	$174.55
Max Pain	$165.00	$165.00	$165.00	$165.00	$165.00
ATM IV	16.6%	13.2%	19.9%	18.6%	13.9%
Expected Move	4.8%	3.7%	6.0%	5.9%	3.9%
HV 20d	11.9%	9.7%	13.1%	13.1%	9.7%
HV 60d	15.5%	15.0%	15.7%	15.7%	15.5%
IV Rank	28.0%	0.2%	54.1%	43.5%	5.6%
IV Percentile	34.4%	0.4%	76.6%	54.0%	4.0%
Term Structure	-0.0%	-1.2%	1.0%	-0.3%	0.5%
VWIV	17.1%	13.6%	21.8%	20.5%	14.3%
Skew 25d	2.7%	1.6%	3.7%	2.7%	2.1%
Skew 10d	6.5%	3.4%	8.8%	7.3%	7.2%
Call IV 25d	15.6%	12.7%	18.4%	17.6%	13.1%
Put IV 25d	18.3%	14.9%	22.1%	20.3%	15.2%
Bid-Ask Spread %	51.80	39.77	61.20	40.24	44.88
Gamma HHI	0.15	0.10	0.28	0.12	0.16
Net GEX	15.2M	-11.1M	42.3M	9.1M	18.0M
Net DEX	-236.5M	-463.4M	-52.0M	-113.5M	-450.3M
Net VEX	-3.6M	-3.8M	-3.1M	-3.7M	-3.4M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.25	0.61	2.28	1.17	1.29
Total Volume	9,607.368	6,266	13,663	10,471	9,709
Total OI	157,008.632	147,278	174,250	147,278	156,902

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
2017-04-03	$165.76	$165.00	18.6%	5.9%	13.1%	43.5%	20.5%	2.7%	-0.3%	9.1M	-113.5M	-3.7M	1.17	40.24	4,815	5,656	57,764	89,514
2017-04-04	$165.06	$165.00	18.4%	5.9%	13.0%	42.0%	21.8%	2.8%	0.8%	9.7M	-80.7M	-3.7M	1.33	39.81	2,953	3,917	59,258	90,670
2017-04-05	$165.52	$165.00	18.9%	6.0%	13.1%	46.0%	20.9%	2.2%	-0.7%	11.7M	-104.2M	-3.7M	1.58	39.77	3,234	5,105	59,238	91,044
2017-04-06	$165.48	$165.00	17.8%	5.0%	13.0%	37.2%	16.8%	1.6%	-0.6%	14.4M	-98.0M	-3.7M	1.41	57.02	4,287	6,040	59,980	91,260
2017-04-07	$166.12	$165.00	18.5%	5.2%	12.6%	43.1%	17.3%	1.6%	-1.2%	2.9M	-127.6M	-3.8M	0.98	56.30	5,254	5,158	61,616	93,173
2017-04-10	$165.55	$165.00	18.7%	5.2%	12.6%	44.3%	17.7%	3.2%	-0.4%	4.1M	-74.0M	-3.7M	2.28	57.34	2,971	6,785	58,370	91,897
2017-04-11	$165.68	$165.00	19.2%	5.4%	12.5%	48.4%	19.0%	3.4%	-0.2%	2.7M	-69.4M	-3.7M	1.31	57.58	3,724	4,879	59,011	93,521
2017-04-12	$165.42	$165.00	19.7%	5.4%	10.7%	52.5%	18.0%	3.7%	-1.1%	-266.6K	-64.6M	-3.7M	1.38	56.28	4,725	6,542	60,139	94,623
2017-04-13	$165.21	$165.00	19.1%	5.3%	10.6%	47.6%	18.3%	3.5%	-0.7%	-11.1M	-52.0M	-3.8M	1.37	57.70	3,584	4,916	62,180	97,659
2017-04-17	$165.92	$165.00	19.9%	5.6%	10.7%	54.1%	20.0%	3.2%	-0.2%	3.2M	-94.6M	-3.7M	1.28	60.29	2,752	3,514	62,376	97,298
2017-04-18	$168.88	$165.00	15.2%	4.3%	12.1%	16.4%	16.1%	3.2%	1.0%	34.1M	-277.1M	-3.6M	1.22	61.20	6,035	7,350	67,585	101,694
2017-04-19	$169.22	$165.00	14.9%	4.3%	12.1%	14.3%	15.6%	3.2%	0.3%	38.9M	-288.8M	-3.6M	1.22	59.18	5,322	6,470	68,359	102,541
2017-04-20	$171.58	$165.00	14.7%	4.2%	12.8%	12.3%	15.2%	3.0%	-0.4%	42.3M	-459.7M	-3.4M	0.84	58.60	5,634	4,729	69,020	104,377
2017-04-21	$171.41	$165.00	15.0%	4.3%	11.9%	14.6%	14.9%	3.2%	-0.1%	30.9M	-426.0M	-3.5M	0.61	57.77	5,185	3,158	68,653	105,597
2017-04-24	$172.18	$165.00	13.5%	3.7%	11.9%	3.0%	13.6%	2.6%	0.6%	22.2M	-388.3M	-3.1M	1.37	48.37	3,652	5,015	55,312	92,658
2017-04-25	$173.99	$165.00	13.2%	3.7%	11.9%	0.2%	14.9%	2.3%	0.1%	20.4M	-438.8M	-3.3M	0.64	44.00	8,332	5,331	56,290	94,739
2017-04-26	$174.11	$165.00	13.7%	3.9%	11.7%	4.0%	15.3%	1.9%	0.8%	18.1M	-422.4M	-3.4M	1.42	43.74	3,237	4,599	56,813	96,467
2017-04-27	$174.68	$165.00	13.4%	3.8%	9.9%	2.3%	14.2%	2.1%	1.0%	17.5M	-463.4M	-3.2M	1.13	44.16	3,735	4,236	57,616	97,950
2017-04-28	$174.55	$165.00	13.9%	3.9%	9.7%	5.6%	14.3%	2.1%	0.5%	18.0M	-450.3M	-3.4M	1.29	44.88	4,247	5,462	58,209	98,693