COST Options History — June 2020

In June 2020, COST traded between $295.94 and $310.96. ATM implied volatility averaged 22.4%, placing in the 14.0% IV rank vs the trailing year. The 30-day expected move averaged 6.4%. IV traded above realized volatility by 7.6% (HV 20d: 14.8%). Max pain ranged from $305.00 to $305.00. Net GEX was positive for 12 of 22 trading days. Term structure was in contango for 9 of 22 days. Put/call ratio averaged 0.72.

Notable Days

2020-06-04: Highest Volume — 78,484 contracts
2020-06-08: Largest IV spike — 22.9% change
2020-06-11: Highest IV Rank — 24.8%
2020-06-11: Largest Expected Move — 7.9%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$302.87	$295.94	$310.96	$308.07	$302.31
Max Pain	$305.00	$305.00	$305.00	$305.00	$305.00
ATM IV	22.4%	18.8%	29.2%	20.8%	19.3%
Expected Move	6.4%	5.5%	7.9%	6.0%	5.6%
HV 20d	14.8%	13.5%	16.2%	16.0%	14.1%
HV 60d	26.3%	23.0%	31.6%	31.6%	23.0%
IV Rank	14.0%	8.2%	24.8%	11.4%	9.0%
IV Percentile	52.5%	31.3%	77.8%	45.2%	31.3%
Term Structure	-0.4%	-3.5%	1.9%	1.0%	1.9%
VWIV	22.6%	19.4%	27.4%	22.1%	20.7%
Skew 25d	3.4%	-1.2%	7.5%	2.4%	4.4%
Skew 10d	5.9%	-6.6%	13.6%	5.7%	6.7%
Call IV 25d	20.8%	17.8%	25.1%	19.9%	18.4%
Put IV 25d	24.2%	17.0%	32.6%	22.3%	22.8%
Bid-Ask Spread %	40.40	13.98	61.81	35.76	23.17
Gamma HHI	0.07	0.05	0.11	0.07	0.08
Net GEX	11.9M	-69.7M	95.3M	44.8M	45.8M
Net DEX	-150.9M	-775.8M	408.1M	-514.9M	-268.7M
Net VEX	-6.8M	-7.1M	-6.1M	-6.1M	-7.0M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.72	0.37	1.29	0.71	0.82
Total Volume	34,588.5	20,391	78,484	35,525	22,340
Total OI	231,923.727	193,950	272,751	215,759	207,779

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
2020-06-01	$308.07	$305.00	20.8%	6.0%	16.0%	11.4%	22.1%	2.4%	1.0%	44.8M	-514.9M	-6.1M	0.71	35.76	20,821	14,704	118,037	97,722
2020-06-02	$306.84	$305.00	21.1%	5.9%	15.7%	11.8%	21.3%	4.0%	-1.7%	41.1M	-427.1M	-6.3M	0.69	13.98	18,369	12,742	122,044	104,154
2020-06-03	$307.15	$305.00	19.6%	5.7%	15.4%	9.6%	20.6%	3.6%	-0.5%	40.6M	-435.4M	-6.4M	0.46	22.12	16,159	7,377	124,994	108,382
2020-06-04	$310.79	$305.00	21.6%	6.0%	15.9%	12.6%	21.2%	-1.2%	-0.7%	93.4M	-775.8M	-6.5M	0.40	57.04	56,203	22,281	128,320	110,353
2020-06-05	$310.96	$305.00	18.8%	5.5%	15.6%	8.2%	19.4%	-0.8%	0.1%	95.3M	-764.8M	-6.4M	0.37	50.77	36,716	13,545	133,813	112,594
2020-06-08	$307.23	$305.00	23.1%	6.2%	16.2%	15.1%	21.6%	2.0%	-1.2%	35.6M	-405.4M	-6.4M	0.69	48.51	23,643	16,300	119,556	101,459
2020-06-09	$305.65	$305.00	21.9%	6.2%	15.0%	13.3%	21.6%	1.6%	-0.5%	17.4M	-289.6M	-6.6M	0.57	52.60	14,720	8,383	125,854	109,730
2020-06-10	$307.85	$305.00	23.9%	6.1%	14.1%	16.4%	22.0%	2.6%	-3.1%	36.2M	-465.2M	-6.7M	0.54	56.00	16,180	8,728	128,491	112,345
2020-06-11	$302.35	$305.00	29.2%	7.9%	14.3%	24.8%	27.0%	4.3%	-3.5%	-9.3M	-5.6M	-6.9M	1.12	61.81	23,928	26,808	131,059	115,076
2020-06-12	$298.74	$305.00	28.5%	7.8%	14.9%	23.7%	27.4%	7.5%	-1.2%	-69.7M	394.9M	-7.1M	1.10	56.26	26,443	28,969	133,539	125,479
2020-06-15	$295.94	$305.00	26.2%	7.5%	15.2%	20.1%	26.6%	4.6%	-0.1%	-46.6M	408.1M	-6.9M	0.66	52.33	17,501	11,565	121,786	119,962
2020-06-16	$300.58	$305.00	22.9%	6.6%	15.0%	14.9%	23.0%	4.2%	0.4%	-20.9M	72.3M	-6.9M	0.69	39.75	17,435	11,973	126,635	124,067
2020-06-17	$299.20	$305.00	22.8%	6.5%	14.6%	14.7%	23.5%	4.0%	0.5%	-32.9M	195.1M	-6.8M	1.29	41.21	13,063	16,895	130,116	126,849
2020-06-18	$298.82	$305.00	22.9%	6.5%	14.6%	14.8%	23.3%	3.6%	0.3%	-41.1M	218.9M	-6.9M	0.84	37.56	15,334	12,907	134,307	131,717
2020-06-19	$300.21	$305.00	22.2%	6.4%	14.4%	13.7%	22.5%	3.3%	-0.4%	-2.8M	35.9M	-7.0M	0.87	33.23	18,818	16,350	138,873	133,878
2020-06-22	$300.03	$305.00	21.0%	6.1%	14.4%	11.8%	21.3%	3.3%	-0.1%	-3.2M	-11.4M	-6.8M	0.70	30.30	12,542	8,808	96,056	97,894
2020-06-23	$301.82	$305.00	19.9%	5.7%	14.4%	9.9%	20.4%	4.0%	0.4%	14.4M	-128.1M	-6.8M	0.82	32.95	20,311	16,697	99,440	101,309
2020-06-24	$299.51	$305.00	21.3%	6.2%	14.6%	12.2%	22.0%	2.0%	-0.2%	-4.0M	20.9M	-6.9M	0.50	47.35	21,219	10,549	104,089	103,762
2020-06-25	$300.52	$305.00	22.0%	6.3%	13.5%	13.4%	22.5%	5.8%	1.2%	18.8M	-108.3M	-7.1M	0.65	40.04	18,333	11,848	109,077	106,740
2020-06-26	$297.85	$305.00	23.3%	6.8%	13.5%	15.4%	23.8%	5.7%	-1.1%	-10.7M	70.6M	-7.0M	0.66	23.91	19,969	13,080	113,440	109,582
2020-06-29	$300.81	$305.00	21.1%	6.2%	14.0%	11.9%	22.3%	4.2%	0.1%	20.1M	-136.3M	-7.0M	0.65	32.26	12,395	7,996	104,471	97,492
2020-06-30	$302.31	$305.00	19.3%	5.6%	14.1%	9.0%	20.7%	4.4%	1.9%	45.8M	-268.7M	-7.0M	0.82	23.17	12,280	10,060	108,268	99,511