COST Options History — July 2020

In July 2020, COST traded between $304.98 and $328.62. ATM implied volatility averaged 20.8%, placing in the 11.5% IV rank vs the trailing year. The 30-day expected move averaged 5.9%. IV traded above realized volatility by 5.4% (HV 20d: 15.4%). Max pain ranged from $300.00 to $317.50. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 16 of 22 days. Put/call ratio averaged 0.75.

Notable Days

2020-07-09: Highest Volume — 86,883 contracts
2020-07-16: Largest IV drop — 10.7% change
2020-07-15: Highest IV Rank — 18.6%
2020-07-14: Largest Expected Move — 7.0%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$323.06	$304.98	$328.62	$304.98	$326.22
Max Pain	$310.68	$300.00	$317.50	$305.00	$317.50
ATM IV	20.8%	18.3%	25.3%	19.5%	18.9%
Expected Move	5.9%	5.1%	7.0%	5.4%	5.3%
HV 20d	15.4%	13.9%	18.4%	14.5%	15.3%
HV 60d	17.1%	15.0%	20.3%	20.1%	15.0%
IV Rank	11.5%	7.4%	18.6%	9.4%	8.4%
IV Percentile	38.6%	21.0%	68.7%	32.5%	23.0%
Term Structure	0.5%	-2.3%	2.5%	0.5%	1.7%
VWIV	21.3%	18.4%	25.4%	19.5%	19.3%
Skew 25d	2.0%	-2.0%	5.3%	3.9%	0.3%
Skew 10d	3.6%	-2.1%	8.9%	0.0%	6.2%
Call IV 25d	20.0%	17.0%	24.9%	18.1%	18.8%
Put IV 25d	22.0%	19.1%	24.9%	22.0%	19.1%
Bid-Ask Spread %	50.84	29.14	65.84	29.14	46.40
Gamma HHI	0.09	0.07	0.16	0.10	0.08
Net GEX	70.9M	26.3M	126.0M	76.9M	42.0M
Net DEX	-1.12B	-1.91B	-491.3M	-491.3M	-705.0M
Net VEX	-6.5M	-6.9M	-6.2M	-6.9M	-6.4M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.75	0.28	1.61	0.73	0.59
Total Volume	31,558.273	14,552	86,883	23,606	23,960
Total OI	211,381.909	176,617	242,558	215,593	209,037

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
2020-07-01	$304.98	$305.00	19.5%	5.4%	14.5%	9.4%	19.5%	3.9%	0.5%	76.9M	-491.3M	-6.9M	0.73	29.14	13,671	9,935	111,165	104,428
2020-07-02	$306.20	$305.00	18.3%	5.1%	13.9%	7.4%	18.4%	3.6%	1.1%	69.4M	-636.6M	-6.8M	0.69	50.76	23,352	16,017	114,028	105,450
2020-07-06	$310.81	$300.00	19.5%	5.7%	15.0%	9.3%	20.4%	2.1%	-0.2%	74.5M	-806.7M	-6.6M	0.90	65.84	23,221	20,947	106,868	99,344
2020-07-07	$316.24	$300.00	21.0%	6.0%	15.5%	11.8%	21.3%	1.4%	-0.2%	98.1M	-1.22B	-6.7M	0.47	61.72	39,908	18,892	110,896	103,689
2020-07-08	$316.31	$305.00	21.0%	6.0%	15.3%	11.7%	21.3%	2.2%	0.7%	106.9M	-1.20B	-6.7M	0.47	61.07	19,070	9,049	113,755	106,905
2020-07-09	$326.25	$305.00	23.2%	6.5%	18.4%	15.2%	23.1%	1.1%	-1.2%	110.4M	-1.91B	-6.7M	0.28	61.32	68,141	18,742	116,810	109,668
2020-07-10	$326.35	$310.00	23.1%	6.7%	16.7%	15.1%	23.8%	-2.0%	1.4%	126.0M	-1.85B	-6.9M	0.43	57.96	25,372	11,028	128,658	113,900
2020-07-13	$323.30	$310.00	24.2%	6.7%	16.4%	16.8%	24.0%	2.1%	-0.4%	85.5M	-1.31B	-6.8M	0.84	56.24	19,942	16,703	115,765	106,706
2020-07-14	$327.12	$310.00	24.3%	7.0%	15.8%	17.0%	25.0%	1.3%	0.1%	87.2M	-1.50B	-6.7M	0.63	54.76	16,282	10,178	116,081	109,373
2020-07-15	$327.10	$310.00	25.3%	6.8%	15.4%	18.6%	25.4%	2.9%	-2.3%	91.8M	-1.52B	-6.8M	1.56	49.63	15,268	23,859	118,544	111,886
2020-07-16	$325.95	$310.00	22.6%	6.5%	15.4%	14.3%	22.9%	1.3%	0.3%	81.5M	-1.43B	-6.7M	0.88	49.51	9,558	8,450	121,346	118,551
2020-07-17	$325.08	$310.00	20.4%	5.9%	15.4%	10.8%	21.1%	1.1%	0.2%	71.4M	-1.39B	-6.4M	0.50	61.70	17,741	8,869	121,911	119,852
2020-07-20	$327.11	$310.00	20.1%	5.7%	15.4%	10.3%	20.3%	1.9%	0.5%	48.6M	-1.05B	-6.3M	0.79	31.92	10,136	8,022	92,641	83,976
2020-07-21	$328.29	$315.00	20.3%	5.8%	15.3%	10.7%	21.0%	2.1%	2.5%	56.3M	-1.11B	-6.4M	0.34	43.33	27,425	9,434	95,786	86,903
2020-07-22	$328.62	$315.00	19.9%	5.7%	15.4%	9.9%	20.4%	2.4%	1.4%	64.2M	-1.13B	-6.4M	0.58	45.64	9,549	5,514	99,683	90,070
2020-07-23	$326.50	$315.00	19.4%	5.5%	15.3%	9.3%	19.8%	2.7%	0.3%	51.0M	-1.01B	-6.4M	1.34	47.63	6,378	8,547	101,845	92,256
2020-07-24	$325.98	$315.00	19.9%	5.7%	15.4%	9.9%	21.0%	3.4%	-0.0%	31.9M	-953.2M	-6.4M	1.61	51.78	11,819	19,071	102,109	95,866
2020-07-27	$328.60	$315.00	20.8%	5.6%	14.7%	11.4%	21.3%	2.4%	0.2%	50.9M	-974.5M	-6.3M	0.69	33.36	12,446	8,547	95,439	91,376
2020-07-28	$327.90	$317.50	18.9%	5.4%	14.7%	8.5%	19.6%	5.3%	0.8%	50.1M	-948.8M	-6.2M	0.67	45.49	8,689	5,863	102,806	95,560
2020-07-29	$327.41	$317.50	18.4%	5.3%	14.9%	7.7%	19.2%	2.7%	2.0%	59.0M	-924.2M	-6.2M	0.53	54.99	22,557	11,862	105,005	98,985
2020-07-30	$324.96	$317.50	19.4%	5.5%	15.3%	9.2%	19.8%	0.6%	1.1%	26.3M	-640.1M	-6.4M	1.07	58.21	9,799	10,469	101,191	104,289
2020-07-31	$326.22	$317.50	18.9%	5.3%	15.3%	8.4%	19.3%	0.3%	1.7%	42.0M	-705.0M	-6.4M	0.59	46.40	15,023	8,937	101,164	107,873