UNH Options History — February 2019

In February 2019, UNH traded between $242.66 and $270.97. ATM implied volatility averaged 18.8%, placing in the 20.2% IV rank vs the trailing year. The 30-day expected move averaged 5.4%. IV traded below realized volatility by 1.2% (HV 20d: 19.9%). Max pain ranged from $250.00 to $260.00. Net GEX was positive for 17 of 19 trading days. Term structure was in contango for 10 of 19 days. Put/call ratio averaged 0.79.

Notable Days

2019-02-28: Highest Volume — 32,474 contracts
2019-02-27: Largest IV spike — 11.2% change
2019-02-28: Highest IV Rank — 35.9%
2019-02-28: Largest Expected Move — 7.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$264.06	$242.66	$270.97	$268.15	$242.66
Max Pain	$256.84	$250.00	$260.00	$250.00	$260.00
ATM IV	18.8%	17.2%	22.9%	18.1%	22.9%
Expected Move	5.4%	4.9%	7.1%	5.1%	7.1%
HV 20d	19.9%	15.9%	28.1%	15.9%	28.1%
HV 60d	25.3%	23.7%	26.4%	26.4%	26.4%
IV Rank	20.2%	14.5%	35.9%	17.8%	35.9%
IV Percentile	44.1%	26.6%	80.2%	34.9%	80.2%
Term Structure	0.0%	-0.8%	0.9%	0.5%	-0.5%
VWIV	19.6%	17.8%	24.3%	20.1%	24.3%
Skew 25d	4.0%	3.4%	4.6%	3.6%	4.4%
Skew 10d	8.0%	5.3%	10.0%	7.8%	10.0%
Call IV 25d	17.3%	15.8%	21.3%	16.4%	21.3%
Put IV 25d	21.2%	19.6%	25.7%	20.0%	25.7%
Bid-Ask Spread %	28.58	20.54	39.62	39.62	28.58
Gamma HHI	0.11	0.07	0.16	0.12	0.08
Net GEX	17.6M	-6.6M	35.9M	35.9M	-6.6M
Net DEX	-363.1M	-669.6M	285.4M	-533.3M	285.4M
Net VEX	-4.8M	-4.9M	-4.4M	-4.8M	-4.4M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.79	0.30	1.22	0.92	0.61
Total Volume	11,050.526	4,900	32,474	9,109	32,474
Total OI	127,562.632	115,397	140,334	123,274	140,334

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
2019-02-01	$268.15	$250.00	18.1%	5.1%	15.9%	17.8%	20.1%	3.6%	0.5%	35.9M	-533.3M	-4.8M	0.92	39.62	4,754	4,355	66,553	56,721
2019-02-04	$267.00	$250.00	17.5%	4.9%	16.2%	15.6%	18.4%	4.3%	-0.6%	22.8M	-453.9M	-4.8M	1.15	24.23	2,584	2,961	63,162	52,235
2019-02-05	$267.01	$250.00	17.8%	5.1%	16.2%	16.7%	18.8%	4.0%	-0.3%	23.7M	-460.7M	-4.7M	0.83	34.63	3,811	3,174	64,047	53,663
2019-02-06	$269.38	$250.00	17.2%	5.0%	16.3%	14.5%	17.8%	3.8%	0.1%	29.9M	-534.4M	-4.7M	0.43	21.48	3,417	1,483	65,278	54,654
2019-02-07	$269.05	$250.00	18.6%	5.3%	16.4%	19.4%	21.2%	3.5%	-0.0%	30.4M	-521.7M	-4.9M	0.30	25.22	10,927	3,257	66,341	55,143
2019-02-08	$260.87	$250.00	20.0%	5.7%	20.7%	24.7%	19.7%	3.8%	0.1%	8.0M	-234.2M	-4.7M	1.05	37.00	6,985	7,367	74,533	56,911
2019-02-11	$256.60	$260.00	19.6%	5.5%	21.6%	23.2%	19.9%	4.6%	0.9%	2.2M	-127.1M	-4.6M	0.59	38.29	5,135	3,024	75,014	56,139
2019-02-12	$263.17	$260.00	18.8%	5.4%	23.1%	20.2%	19.9%	4.2%	-0.4%	13.7M	-355.9M	-4.8M	0.95	38.15	5,126	4,890	77,212	57,693
2019-02-13	$264.38	$260.00	19.0%	5.4%	20.4%	21.2%	18.7%	4.0%	-0.8%	14.3M	-399.6M	-4.8M	0.75	29.92	3,677	2,758	77,337	58,417
2019-02-14	$265.76	$260.00	17.8%	5.0%	19.4%	16.4%	19.0%	4.2%	0.9%	16.0M	-451.8M	-4.9M	1.11	23.58	3,482	3,853	78,008	59,011
2019-02-15	$270.87	$260.00	18.2%	5.3%	20.2%	18.0%	19.0%	4.0%	-0.5%	34.5M	-669.6M	-4.9M	0.37	29.41	9,681	3,598	78,313	60,817
2019-02-19	$270.97	$260.00	18.3%	5.3%	18.9%	18.3%	19.0%	3.9%	0.2%	28.5M	-560.8M	-4.8M	0.72	21.53	3,098	2,238	69,799	51,459
2019-02-20	$269.88	$260.00	17.6%	5.2%	19.0%	15.7%	19.0%	3.5%	0.3%	28.1M	-527.4M	-4.9M	0.68	22.45	3,506	2,373	70,606	52,677
2019-02-21	$265.82	$260.00	18.8%	5.5%	19.8%	20.5%	19.8%	4.2%	-0.1%	11.5M	-386.0M	-4.9M	0.96	28.28	4,673	4,489	71,324	53,425
2019-02-22	$267.02	$260.00	18.3%	5.3%	19.8%	18.4%	19.4%	4.6%	0.2%	28.1M	-436.7M	-4.9M	1.10	23.27	4,553	5,011	72,146	55,602
2019-02-25	$265.25	$260.00	18.4%	5.4%	19.7%	18.7%	18.5%	4.0%	0.3%	12.3M	-363.7M	-4.8M	1.22	25.61	3,775	4,595	68,157	54,212
2019-02-26	$263.61	$260.00	18.8%	5.5%	19.7%	20.5%	18.7%	3.4%	0.4%	6.2M	-296.3M	-4.8M	0.53	20.54	5,811	3,076	69,841	56,295
2019-02-27	$249.73	$260.00	20.9%	6.2%	27.2%	28.4%	21.8%	3.9%	-0.7%	-5.5M	128.8M	-4.5M	0.72	31.20	17,471	12,518	73,315	57,296
2019-02-28	$242.66	$260.00	22.9%	7.1%	28.1%	35.9%	24.3%	4.4%	-0.5%	-6.6M	285.4M	-4.4M	0.61	28.58	20,143	12,331	79,814	60,520