UNH Options History — July 2017

In July 2017, UNH traded between $185.62 and $191.97. ATM implied volatility averaged 16.3%, placing in the 29.5% IV rank vs the trailing year. The 30-day expected move averaged 4.7%. IV traded above realized volatility by 5.9% (HV 20d: 10.4%). Max pain ranged from $180.00 to $185.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 8 of 20 days. Put/call ratio averaged 1.19.

Notable Days

2017-07-17: Highest Volume — 24,814 contracts
2017-07-18: Largest IV drop — 18.6% change
2017-07-06: Highest IV Rank — 66.0%
2017-07-05: Largest Expected Move — 6.2%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$188.58	$185.62	$191.97	$186.65	$191.97
Max Pain	$184.50	$180.00	$185.00	$180.00	$185.00
ATM IV	16.3%	13.1%	20.3%	18.7%	13.5%
Expected Move	4.7%	3.8%	6.2%	5.7%	3.8%
HV 20d	10.4%	9.1%	11.9%	11.8%	11.0%
HV 60d	12.6%	12.3%	12.8%	12.5%	12.6%
IV Rank	29.5%	0.0%	66.0%	50.8%	3.0%
IV Percentile	37.1%	0.0%	84.1%	66.3%	2.4%
Term Structure	-0.1%	-2.7%	2.2%	-0.2%	0.6%
VWIV	16.8%	13.5%	21.8%	21.3%	13.6%
Skew 25d	2.6%	1.9%	4.1%	2.5%	2.0%
Skew 10d	6.0%	3.8%	9.6%	5.1%	3.8%
Call IV 25d	15.6%	12.6%	19.6%	17.8%	13.1%
Put IV 25d	18.2%	15.1%	23.7%	20.3%	15.2%
Bid-Ask Spread %	36.64	12.45	59.88	27.08	34.50
Gamma HHI	0.26	0.15	0.56	0.22	0.18
Net GEX	32.6M	17.2M	80.9M	22.9M	26.3M
Net DEX	-566.8M	-875.6M	-460.5M	-475.1M	-589.4M
Net VEX	-3.1M	-3.4M	-2.9M	-3.3M	-2.9M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.19	0.46	1.86	1.55	1.20
Total Volume	10,731.2	6,557	24,814	7,150	7,390
Total OI	153,509.05	142,867	175,646	142,867	145,524

Daily Data (20 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
2017-07-03	$186.65	$180.00	18.7%	5.7%	11.8%	50.8%	21.3%	2.5%	-0.2%	22.9M	-475.1M	-3.3M	1.55	27.08	2,807	4,343	56,466	86,401
2017-07-05	$188.28	$180.00	19.0%	6.2%	11.9%	54.2%	21.8%	2.4%	-0.1%	29.7M	-550.9M	-3.2M	1.50	12.45	3,970	5,968	57,434	86,862
2017-07-06	$186.54	$185.00	20.3%	5.5%	11.8%	66.0%	19.2%	4.1%	-2.7%	28.0M	-495.2M	-3.3M	1.69	43.75	3,434	5,811	59,518	87,524
2017-07-07	$187.73	$185.00	19.1%	5.2%	11.2%	54.6%	18.8%	2.5%	-0.9%	56.1M	-554.8M	-3.2M	1.10	30.33	4,560	5,011	60,270	88,571
2017-07-10	$186.86	$185.00	18.3%	5.4%	11.3%	47.1%	19.1%	1.9%	0.7%	27.6M	-507.4M	-3.1M	1.55	35.31	3,177	4,935	59,471	87,412
2017-07-11	$186.24	$185.00	19.5%	5.4%	10.3%	58.5%	19.2%	2.8%	-0.7%	24.3M	-478.7M	-3.2M	1.78	38.51	2,361	4,196	60,109	88,840
2017-07-12	$186.88	$185.00	18.7%	5.4%	9.7%	51.5%	19.2%	2.6%	-0.1%	24.9M	-504.1M	-3.2M	1.35	45.19	3,683	4,977	60,921	89,565
2017-07-13	$185.62	$185.00	18.7%	5.3%	10.0%	51.3%	19.2%	3.1%	-0.5%	21.6M	-460.5M	-3.2M	1.86	36.91	2,634	4,903	62,678	91,261
2017-07-14	$186.96	$185.00	18.0%	5.2%	9.4%	44.8%	18.5%	2.2%	-0.3%	28.6M	-523.5M	-3.1M	1.05	42.52	3,636	3,821	63,420	92,236
2017-07-17	$186.35	$185.00	18.1%	5.2%	9.4%	46.0%	18.0%	2.7%	-1.2%	31.6M	-505.9M	-3.1M	1.40	59.88	10,351	14,463	62,837	90,029
2017-07-18	$186.95	$185.00	14.8%	4.3%	9.1%	14.9%	15.5%	2.9%	-0.1%	33.3M	-516.5M	-3.1M	1.14	37.51	9,720	11,074	69,095	98,694
2017-07-19	$188.98	$185.00	13.1%	3.8%	9.7%	0.0%	14.5%	2.8%	0.7%	80.9M	-633.8M	-3.4M	0.66	35.81	7,838	5,201	72,428	98,585
2017-07-20	$191.62	$185.00	13.7%	3.9%	10.4%	4.7%	13.5%	2.5%	-0.3%	71.2M	-855.1M	-3.0M	0.46	38.47	11,639	5,334	74,496	99,549
2017-07-21	$191.86	$185.00	13.6%	3.9%	10.1%	3.9%	13.6%	2.4%	-0.1%	28.9M	-875.6M	-3.0M	0.47	36.30	11,012	5,134	75,047	100,599
2017-07-24	$191.16	$185.00	13.8%	3.9%	9.8%	6.4%	14.4%	2.4%	0.5%	26.6M	-592.8M	-3.1M	0.84	29.15	5,068	4,277	59,842	85,739
2017-07-25	$190.51	$185.00	14.3%	4.0%	10.0%	10.7%	14.5%	2.4%	2.2%	25.4M	-583.9M	-3.1M	1.22	33.03	3,584	4,362	61,030	87,404
2017-07-26	$190.43	$185.00	13.7%	3.8%	9.8%	5.0%	14.0%	2.4%	0.0%	21.2M	-549.0M	-3.1M	1.02	36.16	3,808	3,878	60,603	88,681
2017-07-27	$188.85	$185.00	14.1%	3.9%	10.3%	8.7%	14.0%	2.2%	0.2%	17.2M	-496.7M	-3.1M	1.01	40.61	3,961	3,983	60,974	89,369
2017-07-28	$191.16	$185.00	14.0%	3.9%	10.9%	7.8%	13.8%	2.5%	0.4%	25.1M	-587.8M	-3.1M	1.03	39.39	4,099	4,221	61,002	89,695
2017-07-31	$191.97	$185.00	13.5%	3.8%	11.0%	3.0%	13.6%	2.0%	0.6%	26.3M	-589.4M	-2.9M	1.20	34.50	3,354	4,036	58,399	87,125