UNH Options History — October 2018

In October 2018, UNH traded between $254.47 and $271.75. ATM implied volatility averaged 20.3%, placing in the 35.9% IV rank vs the trailing year. The 30-day expected move averaged 6.0%. IV traded above realized volatility by 2.1% (HV 20d: 18.2%). Max pain ranged from $260.00 to $270.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 11 of 23 days. Put/call ratio averaged 0.98.

Notable Days

2018-10-16: Highest Volume — 25,504 contracts
2018-10-16: Largest IV drop — 26.1% change
2018-10-29: Highest IV Rank — 65.0%
2018-10-29: Largest Expected Move — 7.8%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$264.66	$254.47	$271.75	$268.81	$262.57
Max Pain	$268.91	$260.00	$270.00	$260.00	$270.00
ATM IV	20.3%	16.2%	25.9%	17.1%	21.9%
Expected Move	6.0%	4.6%	7.8%	5.4%	6.5%
HV 20d	18.2%	9.5%	25.4%	15.2%	25.4%
HV 60d	14.9%	12.8%	17.8%	14.0%	17.8%
IV Rank	35.9%	14.5%	65.0%	19.1%	44.1%
IV Percentile	64.5%	24.6%	95.2%	35.3%	81.0%
Term Structure	-0.1%	-3.1%	1.6%	0.3%	-0.4%
VWIV	21.2%	16.9%	27.2%	19.2%	23.9%
Skew 25d	4.0%	2.1%	8.1%	2.1%	4.6%
Skew 10d	9.0%	4.4%	19.1%	4.4%	9.6%
Call IV 25d	18.6%	15.6%	23.7%	16.1%	19.9%
Put IV 25d	22.6%	18.1%	28.8%	18.1%	24.4%
Bid-Ask Spread %	18.02	6.51	35.80	6.76	21.44
Gamma HHI	0.14	0.10	0.18	0.16	0.11
Net GEX	37.7M	4.0M	74.2M	63.1M	27.6M
Net DEX	-723.7M	-1.16B	-232.1M	-981.1M	-610.7M
Net VEX	-5.3M	-5.8M	-5.0M	-5.0M	-5.7M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.98	0.49	1.49	0.49	0.56
Total Volume	14,096.348	9,267	25,504	11,611	14,670
Total OI	162,102.739	144,096	176,964	144,096	175,568

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
2018-10-01	$268.81	$260.00	17.1%	5.4%	15.2%	19.1%	19.2%	2.1%	0.3%	63.1M	-981.1M	-5.0M	0.49	6.76	7,795	3,816	80,785	63,311
2018-10-02	$270.17	$260.00	17.5%	5.6%	15.2%	21.1%	19.6%	2.2%	0.1%	68.3M	-1.05B	-5.0M	0.59	6.51	6,338	3,712	82,357	64,158
2018-10-03	$270.58	$265.00	17.9%	5.8%	15.2%	23.3%	20.3%	2.4%	-0.2%	74.2M	-1.07B	-5.1M	0.65	10.47	8,287	5,381	83,903	64,920
2018-10-04	$268.15	$270.00	19.1%	5.3%	15.3%	29.6%	19.1%	3.0%	-0.3%	62.5M	-914.2M	-5.2M	0.79	11.72	7,182	5,691	86,036	67,500
2018-10-05	$269.03	$270.00	19.4%	5.4%	15.1%	31.4%	19.3%	3.1%	-0.4%	67.8M	-957.8M	-5.3M	0.68	12.53	6,123	4,141	87,828	69,577
2018-10-08	$269.50	$270.00	19.9%	5.5%	9.5%	33.9%	20.4%	3.4%	-0.5%	57.9M	-962.4M	-5.2M	1.05	16.91	4,784	5,034	85,458	68,141
2018-10-09	$270.33	$270.00	20.1%	5.7%	9.5%	34.9%	19.9%	3.4%	-0.3%	64.1M	-1.04B	-5.2M	1.24	16.01	4,701	5,808	86,842	69,853
2018-10-10	$264.00	$270.00	23.5%	6.7%	12.9%	52.7%	22.6%	4.3%	0.1%	31.1M	-685.4M	-5.4M	0.80	19.68	8,004	6,439	87,960	71,180
2018-10-11	$259.56	$270.00	25.4%	7.1%	13.8%	62.6%	24.4%	4.7%	-0.8%	15.7M	-445.7M	-5.4M	1.08	26.63	7,047	7,602	89,156	72,762
2018-10-12	$259.00	$270.00	24.0%	6.7%	13.8%	55.5%	25.2%	4.6%	-1.1%	17.4M	-431.3M	-5.4M	1.33	20.65	7,922	10,569	92,172	73,423
2018-10-15	$260.65	$270.00	23.1%	6.5%	13.9%	50.6%	22.2%	4.3%	-0.8%	24.3M	-537.6M	-5.2M	1.12	17.97	9,107	10,244	85,381	70,657
2018-10-16	$271.75	$270.00	17.1%	4.9%	20.5%	19.1%	18.7%	3.2%	-1.1%	65.9M	-1.16B	-5.0M	1.15	15.12	11,889	13,615	89,976	75,517
2018-10-17	$266.86	$270.00	16.2%	4.6%	21.5%	14.5%	16.9%	3.3%	0.0%	40.7M	-806.6M	-5.3M	0.86	13.15	9,408	8,133	91,398	79,908
2018-10-18	$266.25	$270.00	17.5%	5.0%	21.4%	21.3%	18.6%	3.4%	0.4%	39.5M	-783.6M	-5.4M	1.49	12.56	4,985	7,438	93,185	82,049
2018-10-19	$265.18	$270.00	16.8%	4.8%	21.4%	17.8%	18.1%	3.8%	0.4%	27.1M	-743.1M	-5.4M	1.06	16.73	6,465	6,861	93,807	83,157
2018-10-22	$262.70	$270.00	18.0%	5.3%	21.7%	23.9%	18.8%	3.6%	0.6%	19.2M	-582.5M	-5.2M	1.48	12.74	6,312	9,360	80,825	73,432
2018-10-23	$265.02	$270.00	18.1%	5.4%	21.4%	24.7%	17.8%	3.7%	1.4%	26.4M	-692.0M	-5.4M	0.57	13.13	10,780	6,133	82,967	76,940
2018-10-24	$261.60	$270.00	20.1%	6.1%	21.9%	35.2%	22.3%	4.2%	1.3%	22.8M	-552.0M	-5.6M	1.32	23.99	3,992	5,275	89,426	77,545
2018-10-25	$264.74	$270.00	20.9%	6.3%	22.3%	39.4%	23.6%	4.7%	1.2%	30.1M	-711.2M	-5.8M	1.28	25.18	5,593	7,183	90,429	79,630
2018-10-26	$258.60	$270.00	23.7%	7.3%	23.7%	53.7%	25.3%	5.9%	1.6%	4.0M	-359.5M	-5.8M	1.29	33.01	5,618	7,228	91,730	82,361
2018-10-29	$254.47	$270.00	25.9%	7.8%	23.8%	65.0%	27.2%	8.1%	-3.1%	6.5M	-232.1M	-5.6M	0.99	35.80	5,724	5,664	86,591	79,628
2018-10-30	$257.57	$270.00	23.6%	7.3%	24.2%	53.4%	24.4%	6.3%	-1.2%	10.9M	-344.7M	-5.6M	0.56	25.77	10,346	5,817	87,970	80,964
2018-10-31	$262.57	$270.00	21.9%	6.5%	25.4%	44.1%	23.9%	4.6%	-0.4%	27.6M	-610.7M	-5.7M	0.56	21.44	9,408	5,262	92,994	82,574