UNH Options History — August 2013

In August 2013, UNH traded between $71.40 and $73.35. ATM implied volatility averaged 18.4%, placing in the 13.9% IV rank vs the trailing year. The 30-day expected move averaged 5.3%. IV traded below realized volatility by 0.9% (HV 20d: 19.3%). Max pain ranged from $62.50 to $67.50. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 22 of 22 days. Put/call ratio averaged 0.89.

Notable Days

2013-08-29: Highest Volume — 24,082 contracts
2013-08-07: Largest IV drop — 17.6% change
2013-08-06: Highest IV Rank — 19.5%
2013-08-06: Largest Expected Move — 5.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$72.37	$71.40	$73.35	$73.16	$71.74
Max Pain	$63.52	$62.50	$67.50	$67.50	$65.00
ATM IV	18.4%	16.5%	21.7%	19.7%	17.6%
Expected Move	5.3%	5.1%	5.6%	5.4%	5.3%
HV 20d	19.3%	13.2%	26.2%	25.5%	14.2%
HV 60d	21.1%	19.9%	22.1%	22.1%	20.1%
IV Rank	13.9%	10.5%	19.5%	16.0%	12.5%
IV Percentile	24.2%	2.8%	63.1%	36.1%	13.9%
Term Structure	3.2%	1.1%	4.2%	1.1%	4.2%
VWIV	19.7%	18.2%	30.8%	19.1%	20.0%
Skew 25d	2.7%	1.9%	3.3%	2.4%	3.3%
Skew 10d	5.5%	4.5%	7.2%	5.2%	7.2%
Call IV 25d	17.8%	17.1%	18.6%	17.6%	18.1%
Put IV 25d	20.4%	19.3%	21.6%	20.1%	21.4%
Bid-Ask Spread %	7.24	5.63	9.20	6.55	7.93
Gamma HHI	0.16	0.14	0.22	0.16	0.17
Net GEX	13.7M	12.3M	19.9M	13.0M	12.6M
Net DEX	-617.3M	-685.6M	-554.1M	-666.0M	-554.1M
Net VEX	-1.7M	-1.8M	-1.6M	-1.7M	-1.7M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.89	0.23	3.12	2.33	0.52
Total Volume	5,040.545	1,590	24,082	3,982	5,751
Total OI	214,792.818	206,311	223,245	208,239	223,245

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 Vol	Put Vol	Call OI	Put OI
2013-08-01	$73.16	$67.50	19.7%	5.4%	25.5%	16.0%	19.1%	2.4%	1.1%	13.0M	-666.0M	-1.7M	2.33	6.55	1,196	2,786	129,113	79,126
2013-08-02	$72.26	$67.50	18.2%	5.1%	26.2%	13.5%	18.2%	1.9%	1.7%	13.5M	-612.6M	-1.8M	1.61	9.20	1,423	2,298	129,081	80,383
2013-08-05	$73.34	$62.50	21.4%	5.6%	25.8%	19.1%	19.6%	2.5%	2.6%	12.6M	-672.7M	-1.7M	1.19	6.91	2,171	2,576	128,900	80,487
2013-08-06	$73.24	$62.50	21.7%	5.6%	25.8%	19.5%	20.1%	2.8%	2.8%	12.8M	-663.1M	-1.7M	0.30	6.95	4,369	1,308	129,672	82,213
2013-08-07	$72.92	$62.50	17.8%	5.6%	25.8%	12.9%	20.2%	2.9%	3.0%	13.4M	-652.0M	-1.8M	0.89	6.17	988	875	132,898	82,765
2013-08-08	$73.18	$62.50	17.3%	5.6%	25.7%	11.9%	19.5%	2.7%	2.9%	13.6M	-669.3M	-1.7M	3.12	7.31	1,014	3,167	133,276	82,861
2013-08-09	$72.93	$62.50	16.6%	5.5%	25.7%	10.8%	19.2%	2.7%	3.3%	13.4M	-663.8M	-1.7M	0.98	6.97	1,905	1,867	133,444	83,727
2013-08-12	$72.39	$62.50	18.7%	5.6%	25.8%	14.4%	19.9%	3.0%	2.9%	13.6M	-635.7M	-1.7M	1.04	6.74	2,283	2,367	133,958	84,040
2013-08-13	$73.35	$62.50	17.9%	5.3%	25.4%	12.9%	20.3%	2.4%	3.4%	13.8M	-685.6M	-1.7M	0.33	6.08	5,959	1,957	133,800	84,813
2013-08-14	$72.49	$62.50	16.5%	5.3%	25.5%	10.5%	19.2%	2.7%	3.6%	14.0M	-642.7M	-1.7M	0.58	5.63	1,733	997	134,095	85,446
2013-08-15	$71.40	$62.50	18.7%	5.4%	14.4%	14.3%	19.5%	2.8%	3.8%	13.6M	-571.9M	-1.7M	0.57	6.97	3,358	1,928	133,058	84,930
2013-08-16	$71.43	$62.50	18.2%	5.2%	13.7%	13.5%	18.2%	2.8%	4.0%	12.9M	-574.2M	-1.7M	0.26	7.01	3,438	896	133,765	85,602
2013-08-19	$71.71	$62.50	17.8%	5.1%	13.2%	12.8%	18.4%	2.6%	3.2%	13.3M	-568.5M	-1.7M	0.76	7.43	3,276	2,479	128,185	78,126
2013-08-20	$72.46	$62.50	18.3%	5.2%	13.5%	13.6%	18.2%	2.4%	3.2%	13.7M	-612.5M	-1.7M	0.34	7.40	3,111	1,053	130,081	79,799
2013-08-21	$71.85	$62.50	18.5%	5.3%	13.8%	14.0%	18.7%	2.8%	3.3%	13.9M	-579.2M	-1.7M	0.52	7.00	2,123	1,112	131,315	80,320
2013-08-22	$71.97	$62.50	18.3%	5.3%	13.8%	13.7%	18.8%	2.8%	3.2%	14.2M	-588.4M	-1.7M	0.71	8.79	929	661	132,442	80,728
2013-08-23	$72.54	$62.50	18.1%	5.2%	14.0%	13.4%	18.2%	2.6%	3.2%	19.9M	-620.9M	-1.7M	0.72	7.29	1,742	1,256	132,718	80,926
2013-08-26	$72.38	$65.00	18.6%	5.3%	13.7%	14.2%	18.9%	2.5%	3.1%	13.2M	-619.9M	-1.6M	0.72	7.61	1,260	901	133,106	81,531
2013-08-27	$71.52	$65.00	18.4%	5.3%	14.1%	13.9%	19.3%	2.9%	3.9%	13.1M	-563.1M	-1.7M	1.06	8.80	2,788	2,964	133,141	81,964
2013-08-28	$71.54	$65.00	18.1%	5.2%	13.8%	13.3%	18.6%	2.5%	3.9%	12.3M	-559.7M	-1.7M	0.83	7.65	1,392	1,153	133,780	83,622
2013-08-29	$72.44	$65.00	18.4%	5.3%	14.5%	13.9%	30.8%	3.0%	3.9%	13.9M	-605.5M	-1.7M	0.23	6.78	19,517	4,565	134,573	84,387
2013-08-30	$71.74	$65.00	17.6%	5.3%	14.2%	12.5%	20.0%	3.3%	4.2%	12.6M	-554.1M	-1.7M	0.52	7.93	3,773	1,978	135,467	87,778