UNH Options History — August 2021

In August 2021, UNH traded between $406.01 and $430.13. ATM implied volatility averaged 18.6%, placing in the 5.8% IV rank vs the trailing year. The 30-day expected move averaged 5.2%. IV traded above realized volatility by 0.4% (HV 20d: 18.2%). Max pain ranged from $400.00 to $410.00. Net GEX was positive for 19 of 22 trading days. Term structure was in contango for 11 of 22 days. Put/call ratio averaged 0.72.

Notable Days

2021-08-19: Highest Volume — 21,336 contracts
2021-08-17: Largest IV spike — 11.7% change
2021-08-19: Highest IV Rank — 12.8%
2021-08-05: Largest Expected Move — 5.8%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$417.49	$406.01	$430.13	$416.09	$416.00
Max Pain	$401.36	$400.00	$410.00	$400.00	$405.00
ATM IV	18.6%	16.5%	20.3%	18.9%	17.8%
Expected Move	5.2%	4.5%	5.8%	5.0%	5.0%
HV 20d	18.2%	16.5%	19.9%	16.5%	17.7%
HV 60d	15.6%	15.0%	16.4%	15.1%	15.9%
IV Rank	5.8%	0.0%	12.8%	6.6%	5.7%
IV Percentile	7.5%	0.0%	19.0%	6.7%	2.4%
Term Structure	0.2%	-1.3%	1.3%	-0.3%	-0.0%
VWIV	18.8%	16.1%	21.5%	18.8%	18.8%
Skew 25d	3.4%	2.2%	4.6%	2.9%	2.4%
Skew 10d	6.9%	3.9%	10.4%	8.0%	5.8%
Call IV 25d	17.5%	15.4%	19.3%	17.6%	17.5%
Put IV 25d	20.9%	18.5%	22.9%	20.5%	19.9%
Bid-Ask Spread %	47.13	17.37	62.16	43.61	57.41
Gamma HHI	0.14	0.08	0.68	0.09	0.11
Net GEX	41.6M	-20.3M	247.1M	20.8M	30.6M
Net DEX	-950.8M	-1.64B	-459.5M	-883.6M	-811.4M
Net VEX	-7.8M	-8.2M	-7.6M	-8.0M	-8.0M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.72	0.36	1.29	0.85	0.69
Total Volume	9,940.409	5,106	21,336	6,379	13,395
Total OI	159,793.364	140,736	172,841	151,724	153,222

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
2021-08-02	$416.09	$400.00	18.9%	5.0%	16.5%	6.6%	18.8%	2.9%	-0.3%	20.8M	-883.6M	-8.0M	0.85	43.61	3,457	2,922	66,612	85,112
2021-08-03	$421.39	$405.00	18.5%	4.8%	17.0%	4.9%	17.3%	3.1%	-0.8%	37.1M	-1.14B	-7.8M	0.59	37.03	5,449	3,236	68,319	86,075
2021-08-04	$422.12	$410.00	19.0%	5.0%	17.0%	6.8%	17.3%	3.2%	-0.2%	45.9M	-1.20B	-7.7M	0.36	39.67	8,198	2,979	69,776	87,438
2021-08-05	$410.49	$400.00	19.8%	5.8%	19.7%	10.3%	20.6%	4.0%	-0.2%	13.5M	-702.4M	-7.9M	0.87	53.69	9,947	8,687	70,884	88,647
2021-08-06	$414.60	$400.00	18.0%	5.4%	19.9%	2.4%	19.4%	3.2%	-1.3%	37.8M	-832.6M	-7.9M	0.53	39.93	8,406	4,430	73,150	90,046
2021-08-09	$411.15	$400.00	19.4%	5.5%	19.9%	8.7%	18.9%	3.6%	-0.0%	15.9M	-719.1M	-8.0M	0.78	62.16	3,727	2,898	72,809	89,834
2021-08-10	$411.62	$400.00	18.9%	5.4%	19.6%	6.7%	18.9%	4.2%	-0.3%	19.1M	-691.0M	-8.2M	1.21	45.01	2,962	3,577	74,494	91,391
2021-08-11	$408.27	$400.00	18.3%	5.3%	19.4%	3.9%	18.9%	4.0%	-0.1%	-786.2K	-569.3M	-7.9M	1.23	17.37	2,294	2,812	75,620	92,856
2021-08-12	$406.01	$400.00	18.5%	5.1%	18.8%	4.5%	18.0%	4.6%	-0.5%	-20.3M	-459.5M	-7.8M	0.82	60.72	5,197	4,247	76,059	95,048
2021-08-13	$409.48	$400.00	17.5%	5.0%	19.1%	0.5%	17.3%	4.3%	-0.1%	-4.8M	-599.7M	-7.8M	0.53	45.46	5,433	2,881	76,776	96,065
2021-08-16	$416.10	$400.00	17.8%	5.1%	16.6%	1.6%	18.5%	3.0%	0.4%	37.4M	-940.6M	-7.8M	0.63	42.32	5,050	3,162	73,862	92,199
2021-08-17	$421.37	$400.00	19.9%	5.7%	16.7%	11.0%	20.6%	3.1%	1.3%	61.8M	-1.20B	-7.9M	0.59	57.44	7,265	4,276	75,205	92,669
2021-08-18	$418.11	$400.00	19.5%	5.6%	17.0%	9.0%	20.4%	3.1%	0.7%	64.1M	-1.10B	-7.6M	1.29	59.54	2,893	3,741	76,042	92,887
2021-08-19	$426.54	$400.00	20.3%	5.8%	18.3%	12.8%	20.2%	3.6%	1.0%	79.7M	-1.48B	-7.7M	0.39	54.32	15,378	5,958	76,996	93,933
2021-08-20	$430.13	$400.00	19.5%	5.5%	18.4%	9.0%	21.5%	4.0%	0.4%	247.1M	-1.64B	-7.6M	0.49	48.65	10,421	5,079	77,459	94,904
2021-08-23	$425.85	$400.00	18.9%	5.3%	18.3%	6.7%	19.0%	3.1%	0.8%	51.0M	-1.15B	-8.0M	0.97	31.65	4,268	4,141	64,534	76,202
2021-08-24	$423.53	$400.00	18.3%	5.1%	18.4%	4.0%	18.6%	2.9%	1.1%	50.4M	-1.12B	-7.7M	0.80	45.14	3,779	3,020	66,932	78,450
2021-08-25	$420.68	$400.00	18.2%	5.1%	18.1%	3.3%	18.0%	2.9%	1.0%	41.6M	-995.5M	-7.8M	0.64	52.25	5,301	3,367	68,432	80,525
2021-08-26	$417.44	$400.00	18.4%	5.1%	18.3%	4.0%	18.6%	3.6%	1.3%	30.2M	-861.0M	-7.7M	0.57	50.41	4,695	2,697	69,696	81,342
2021-08-27	$419.49	$405.00	16.5%	4.5%	18.4%	0.0%	16.1%	2.8%	0.6%	22.1M	-928.7M	-7.7M	0.51	49.11	7,104	3,610	71,325	83,268
2021-08-30	$418.38	$405.00	17.6%	4.5%	18.2%	4.9%	17.2%	2.2%	0.0%	35.2M	-904.6M	-7.7M	0.53	43.98	4,159	2,191	67,816	80,543
2021-08-31	$416.00	$405.00	17.8%	5.0%	17.7%	5.7%	18.8%	2.4%	-0.0%	30.6M	-811.4M	-8.0M	0.69	57.41	7,921	5,474	70,917	82,305