COST Options History — February 2024

In February 2024, COST traded between $703.22 and $751.11. ATM implied volatility averaged 22.0%, placing in the 57.7% IV rank vs the trailing year. The 30-day expected move averaged 6.6%. IV traded above realized volatility by 8.5% (HV 20d: 13.5%). Max pain ranged from $685.00 to $710.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 2 of 20 days. Put/call ratio averaged 0.86.

Notable Days

2024-02-08: Highest Volume — 52,493 contracts
2024-02-05: Largest IV spike — 11.7% change
2024-02-13: Highest IV Rank — 67.2%
2024-02-29: Largest Expected Move — 8.0%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$725.87	$703.22	$751.11	$703.22	$751.11
Max Pain	$700.00	$685.00	$710.00	$685.00	$710.00
ATM IV	22.0%	18.1%	23.4%	18.1%	23.3%
Expected Move	6.6%	5.9%	8.0%	5.9%	8.0%
HV 20d	13.5%	12.1%	14.8%	12.1%	12.9%
HV 60d	18.0%	17.3%	19.0%	19.0%	17.4%
IV Rank	57.7%	30.8%	67.2%	30.8%	67.0%
IV Percentile	77.8%	36.9%	92.1%	36.9%	92.1%
Term Structure	-0.4%	-1.9%	3.5%	3.5%	-1.5%
VWIV	23.9%	21.2%	28.5%	21.2%	28.5%
Skew 25d	1.6%	1.1%	2.1%	1.6%	1.2%
Skew 10d	4.2%	3.3%	5.1%	4.3%	3.7%
Call IV 25d	21.6%	17.0%	23.6%	17.1%	23.6%
Put IV 25d	23.2%	18.4%	24.8%	18.7%	24.8%
Bid-Ask Spread %	37.51	18.00	44.11	36.88	39.12
Gamma HHI	0.07	0.04	0.23	0.06	0.05
Net GEX	152.7M	45.0M	299.9M	153.4M	163.4M
Net DEX	-3.93B	-4.40B	-3.02B	-3.52B	-4.34B
Net VEX	-17.3M	-18.0M	-16.1M	-16.5M	-17.8M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.86	0.49	1.39	0.66	1.39
Total Volume	34,500.15	19,316	52,493	40,428	28,156
Total OI	253,165.9	224,424	279,237	253,453	250,559

Daily Data (20 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
2024-02-01	$703.22	$685.00	18.1%	5.9%	12.1%	30.8%	21.2%	1.6%	3.5%	153.4M	-3.52B	-16.5M	0.66	36.88	24,413	16,015	106,773	146,680
2024-02-02	$711.41	$685.00	18.7%	5.9%	12.3%	35.1%	21.4%	1.4%	3.5%	169.7M	-4.04B	-16.3M	0.96	34.55	25,592	24,547	110,738	150,707
2024-02-05	$712.45	$690.00	20.9%	6.1%	12.3%	50.1%	22.0%	1.7%	-0.7%	125.6M	-3.82B	-16.1M	0.85	36.63	15,236	12,949	106,665	133,957
2024-02-06	$709.52	$690.00	21.0%	6.0%	12.6%	51.0%	21.7%	2.0%	-0.5%	118.9M	-3.62B	-16.7M	1.03	38.96	10,461	10,777	111,307	137,504
2024-02-07	$719.16	$690.00	21.7%	6.1%	13.0%	55.5%	22.2%	1.5%	-0.6%	173.4M	-4.25B	-16.4M	0.90	36.90	25,804	23,238	114,177	140,634
2024-02-08	$723.26	$700.00	21.7%	6.1%	12.8%	55.5%	22.4%	1.5%	-0.5%	162.9M	-4.40B	-16.9M	0.60	37.44	32,832	19,661	117,715	145,767
2024-02-09	$722.65	$700.00	21.5%	6.1%	12.9%	54.0%	22.1%	1.4%	-0.4%	134.8M	-4.32B	-17.2M	0.63	18.00	24,395	15,419	122,863	150,827
2024-02-12	$723.07	$700.00	22.3%	6.3%	12.4%	59.3%	23.2%	1.8%	-0.4%	118.6M	-3.98B	-17.2M	0.90	41.28	13,416	12,069	114,048	142,241
2024-02-13	$711.33	$700.00	23.4%	6.7%	14.0%	67.2%	23.4%	1.9%	-0.5%	45.0M	-3.20B	-18.0M	0.64	38.37	21,733	13,943	115,990	146,509
2024-02-14	$721.38	$700.00	22.6%	6.5%	14.6%	61.5%	22.9%	2.1%	-0.7%	133.9M	-3.99B	-17.7M	0.72	42.38	12,150	8,741	121,326	149,834
2024-02-15	$725.10	$700.00	22.4%	6.5%	14.6%	60.4%	23.4%	2.1%	-0.5%	176.0M	-4.27B	-17.8M	0.70	41.85	13,204	9,283	124,288	152,094
2024-02-16	$722.64	$700.00	22.6%	6.6%	14.4%	61.9%	23.5%	1.7%	-0.8%	162.1M	-4.08B	-17.8M	0.49	41.64	31,874	15,485	125,172	154,065
2024-02-20	$726.14	$705.00	23.3%	6.9%	14.3%	66.3%	24.8%	1.6%	-1.0%	119.5M	-3.26B	-17.6M	0.90	39.99	18,686	16,787	106,280	118,144
2024-02-21	$722.32	$705.00	23.1%	6.9%	14.1%	65.0%	24.9%	1.6%	-0.7%	92.0M	-3.02B	-17.9M	0.62	40.29	20,498	12,772	110,764	124,535
2024-02-22	$734.15	$705.00	22.4%	6.7%	14.8%	60.0%	24.3%	1.6%	-0.7%	255.9M	-3.93B	-17.9M	0.95	21.39	20,496	19,567	117,408	129,257
2024-02-23	$739.63	$705.00	22.1%	6.8%	14.0%	58.0%	24.4%	1.3%	-0.7%	299.9M	-4.27B	-17.7M	0.92	43.59	22,122	20,402	117,474	134,496
2024-02-26	$746.73	$710.00	23.3%	7.3%	14.0%	66.2%	26.3%	1.4%	-1.9%	149.5M	-4.15B	-17.3M	1.02	39.33	13,140	13,437	109,479	121,808
2024-02-27	$744.09	$710.00	22.7%	7.4%	14.1%	62.2%	27.0%	1.3%	-1.1%	140.1M	-3.98B	-17.6M	1.18	44.11	8,865	10,451	111,536	126,736
2024-02-28	$748.13	$710.00	23.3%	7.8%	13.8%	66.8%	28.0%	1.1%	-1.1%	160.2M	-4.23B	-17.5M	1.03	37.46	15,429	15,958	113,568	129,393
2024-02-29	$751.11	$710.00	23.3%	8.0%	12.9%	67.0%	28.5%	1.2%	-1.5%	163.4M	-4.34B	-17.8M	1.39	39.12	11,763	16,393	116,036	134,523