UNH Options History — August 2017

In August 2017, UNH traded between $191.21 and $199.08. ATM implied volatility averaged 13.9%, placing in the 7.7% IV rank vs the trailing year. The 30-day expected move averaged 3.9%. IV traded above realized volatility by 4.2% (HV 20d: 9.7%). Max pain ranged from $180.00 to $185.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 20 of 23 days. Put/call ratio averaged 1.29.

Notable Days

2017-08-28: Highest Volume — 12,668 contracts
2017-08-28: Largest IV spike — 13.8% change
2017-08-10: Highest IV Rank — 22.0%
2017-08-10: Largest Expected Move — 4.4%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$194.25	$191.21	$199.08	$192.16	$199.08
Max Pain	$181.96	$180.00	$185.00	$185.00	$185.00
ATM IV	13.9%	12.9%	15.5%	13.5%	14.0%
Expected Move	3.9%	3.5%	4.4%	3.7%	3.5%
HV 20d	9.7%	8.3%	11.1%	10.9%	11.1%
HV 60d	11.6%	10.4%	12.6%	12.6%	10.9%
IV Rank	7.7%	0.0%	22.0%	3.2%	9.8%
IV Percentile	9.0%	0.0%	31.3%	2.8%	10.3%
Term Structure	0.4%	-0.4%	1.0%	0.7%	1.0%
VWIV	15.1%	13.4%	17.1%	13.9%	14.7%
Skew 25d	2.7%	0.4%	4.2%	2.2%	1.8%
Skew 10d	5.9%	1.4%	10.2%	5.2%	4.8%
Call IV 25d	13.2%	12.2%	16.0%	12.9%	13.2%
Put IV 25d	15.9%	14.7%	17.9%	15.1%	15.0%
Bid-Ask Spread %	16.34	7.65	67.96	38.26	18.20
Gamma HHI	0.20	0.15	0.36	0.17	0.29
Net GEX	30.5M	18.2M	54.4M	27.0M	54.4M
Net DEX	-650.1M	-951.2M	-489.4M	-596.6M	-951.2M
Net VEX	-2.9M	-3.2M	-2.7M	-2.9M	-2.9M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.29	0.44	2.17	1.18	0.77
Total Volume	7,756	5,511	12,668	7,062	9,913
Total OI	152,770.435	144,773	169,672	147,427	169,672

Daily Data (23 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
2017-08-01	$192.16	$185.00	13.5%	3.7%	10.9%	3.2%	13.9%	2.2%	0.7%	27.0M	-596.6M	-2.9M	1.18	38.26	3,238	3,824	59,276	88,151
2017-08-02	$192.85	$185.00	14.0%	3.8%	10.6%	7.4%	14.1%	2.0%	0.1%	29.9M	-639.9M	-2.9M	1.03	32.87	3,108	3,200	60,479	89,217
2017-08-03	$194.50	$180.00	13.4%	4.0%	10.1%	2.4%	16.2%	1.1%	0.1%	32.0M	-696.4M	-2.8M	1.31	12.10	4,209	5,507	60,583	89,900
2017-08-04	$194.73	$180.00	13.4%	4.0%	10.0%	1.9%	15.3%	2.5%	0.4%	39.3M	-687.7M	-2.8M	1.22	15.61	4,000	4,882	60,059	89,670
2017-08-07	$194.73	$180.00	13.5%	4.0%	9.7%	3.5%	15.3%	3.0%	0.6%	27.6M	-669.6M	-2.8M	1.49	8.35	2,659	3,950	59,486	88,332
2017-08-08	$194.72	$180.00	13.9%	4.1%	9.6%	7.0%	16.0%	2.4%	0.3%	26.9M	-665.3M	-2.8M	1.49	10.21	2,357	3,520	59,920	88,994
2017-08-09	$194.78	$180.00	14.3%	4.2%	9.6%	10.4%	15.6%	2.9%	0.3%	26.0M	-670.6M	-2.8M	1.47	7.65	2,397	3,533	60,156	89,546
2017-08-10	$192.82	$180.00	15.5%	4.4%	10.0%	22.0%	16.5%	3.5%	-0.4%	19.9M	-569.7M	-3.0M	1.24	14.39	3,051	3,784	60,473	90,399
2017-08-11	$193.26	$180.00	15.4%	4.3%	9.9%	20.5%	17.1%	2.5%	-0.4%	20.9M	-611.5M	-2.9M	1.39	11.17	2,307	3,204	60,856	90,755
2017-08-14	$193.76	$180.00	13.8%	4.0%	9.7%	6.3%	14.9%	3.3%	0.5%	30.7M	-634.0M	-2.7M	1.48	10.51	2,400	3,548	59,911	89,338
2017-08-15	$194.67	$180.00	14.0%	4.0%	9.7%	7.9%	15.4%	3.3%	0.1%	31.8M	-659.1M	-3.0M	1.50	10.94	2,561	3,840	60,548	89,919
2017-08-16	$193.71	$180.00	13.3%	3.8%	9.4%	1.4%	15.1%	3.4%	0.8%	31.5M	-619.6M	-2.8M	1.58	8.68	2,437	3,847	61,581	90,769
2017-08-17	$193.07	$180.00	14.2%	4.0%	8.3%	9.5%	16.8%	4.2%	0.9%	21.7M	-589.7M	-2.9M	2.17	13.36	2,063	4,480	62,032	91,587
2017-08-18	$191.21	$180.00	14.6%	4.2%	9.0%	13.1%	15.5%	3.7%	0.1%	19.9M	-489.4M	-3.2M	1.58	11.52	3,739	5,900	62,602	93,074
2017-08-21	$192.02	$180.00	13.6%	3.8%	9.0%	4.2%	14.8%	2.8%	0.3%	18.2M	-492.3M	-3.1M	1.29	12.76	3,076	3,972	56,645	88,128
2017-08-22	$194.72	$180.00	13.1%	3.7%	10.2%	0.0%	14.3%	2.5%	0.4%	25.8M	-618.6M	-2.8M	1.14	10.92	3,756	4,299	57,823	89,301
2017-08-23	$194.24	$185.00	13.0%	3.7%	10.2%	0.0%	13.5%	2.7%	0.6%	28.9M	-622.3M	-2.9M	1.53	10.53	3,096	4,746	60,606	91,063
2017-08-24	$194.81	$185.00	13.3%	3.7%	9.6%	2.2%	13.8%	2.6%	0.6%	30.3M	-644.6M	-2.9M	1.35	10.88	2,650	3,567	61,755	92,296
2017-08-25	$194.29	$185.00	12.9%	3.5%	8.9%	0.0%	14.0%	2.5%	0.6%	30.7M	-634.8M	-2.9M	0.99	11.78	4,813	4,775	62,482	92,712
2017-08-28	$195.13	$185.00	14.7%	4.4%	8.9%	16.2%	15.6%	3.0%	0.3%	26.9M	-651.5M	-2.9M	0.44	12.98	8,780	3,888	61,839	91,246
2017-08-29	$196.89	$185.00	14.7%	3.8%	9.3%	16.2%	14.8%	0.4%	-0.2%	51.1M	-794.9M	-3.2M	0.98	67.96	5,550	5,432	70,527	92,440
2017-08-30	$195.61	$185.00	14.2%	3.9%	9.7%	11.4%	13.4%	2.9%	0.7%	49.0M	-743.8M	-3.1M	1.11	14.09	4,049	4,481	72,842	94,730
2017-08-31	$199.08	$185.00	14.0%	3.5%	11.1%	9.8%	14.7%	1.8%	1.0%	54.4M	-951.2M	-2.9M	0.77	18.20	5,615	4,298	74,024	95,648