COST Options History — August 2022

In August 2022, COST traded between $524.45 and $561.49. ATM implied volatility averaged 26.0%, placing in the 31.8% IV rank vs the trailing year. The 30-day expected move averaged 7.0%. IV traded above realized volatility by 5.1% (HV 20d: 20.9%). Max pain ranged from $510.00 to $530.00. Net GEX was positive for 17 of 23 trading days. Term structure was in contango for 10 of 23 days. Put/call ratio averaged 1.01.

Notable Days

2022-08-16: Highest Volume — 52,323 contracts
2022-08-22: Largest IV spike — 17.9% change
2022-08-30: Highest IV Rank — 45.7%
2022-08-30: Largest Expected Move — 7.9%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$542.71	$524.45	$561.49	$546.42	$524.79
Max Pain	$525.00	$510.00	$530.00	$510.00	$530.00
ATM IV	26.0%	22.6%	31.0%	25.7%	30.9%
Expected Move	7.0%	6.3%	7.9%	7.4%	7.8%
HV 20d	20.9%	15.7%	24.4%	23.9%	19.2%
HV 60d	33.2%	24.1%	42.9%	42.9%	24.1%
IV Rank	31.8%	22.4%	45.7%	31.0%	45.5%
IV Percentile	54.4%	37.7%	79.0%	54.0%	78.2%
Term Structure	0.6%	-0.8%	4.3%	-0.5%	-0.5%
VWIV	25.4%	21.7%	28.4%	26.2%	28.4%
Skew 25d	4.6%	3.5%	5.6%	4.8%	5.3%
Skew 10d	9.9%	7.1%	11.8%	10.7%	11.2%
Call IV 25d	23.9%	20.4%	28.7%	23.3%	28.6%
Put IV 25d	28.5%	24.0%	34.0%	28.1%	33.9%
Bid-Ask Spread %	24.07	7.21	46.10	31.24	7.21
Gamma HHI	0.05	0.03	0.11	0.06	0.04
Net GEX	37.4M	-66.9M	151.3M	78.7M	-58.9M
Net DEX	-1.45B	-2.87B	24.6M	-2.02B	-11.5M
Net VEX	-12.8M	-13.8M	-11.8M	-12.7M	-13.8M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.01	0.56	1.34	0.79	1.21
Total Volume	30,266.478	16,653	52,323	36,349	27,445
Total OI	225,376.348	200,148	258,406	206,441	238,393

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
2022-08-01	$546.42	$510.00	25.7%	7.4%	23.9%	31.0%	26.2%	4.8%	-0.5%	78.7M	-2.02B	-12.7M	0.79	31.24	20,285	16,064	96,997	109,444
2022-08-02	$544.70	$515.00	26.2%	7.6%	24.1%	32.6%	27.7%	4.9%	-0.8%	72.1M	-1.87B	-13.0M	1.27	28.86	12,800	16,244	100,406	113,080
2022-08-03	$548.09	$515.00	25.0%	7.2%	23.9%	29.2%	26.8%	4.8%	-0.2%	82.0M	-2.05B	-12.6M	0.97	37.65	11,527	11,150	101,931	116,898
2022-08-04	$542.48	$520.00	25.2%	7.1%	24.4%	29.8%	25.8%	4.4%	-0.3%	64.5M	-1.74B	-12.7M	0.79	31.37	16,493	13,008	104,266	118,266
2022-08-05	$540.64	$520.00	24.0%	6.9%	24.2%	26.4%	25.9%	4.7%	-0.3%	38.9M	-1.66B	-12.3M	1.09	43.79	14,402	15,658	106,381	120,164
2022-08-08	$541.39	$520.00	25.0%	7.1%	24.0%	29.1%	25.5%	4.6%	0.4%	56.6M	-1.60B	-12.5M	1.28	41.52	10,688	13,734	98,524	111,865
2022-08-09	$536.60	$525.00	25.4%	7.3%	23.0%	30.1%	26.3%	4.8%	0.2%	35.4M	-1.33B	-12.7M	0.95	37.96	8,875	8,471	100,611	115,229
2022-08-10	$540.49	$525.00	23.6%	6.9%	23.0%	25.4%	24.3%	4.2%	0.4%	51.3M	-1.56B	-12.3M	0.77	37.38	14,767	11,344	102,085	118,468
2022-08-11	$533.79	$525.00	24.2%	7.0%	20.4%	27.0%	25.5%	4.1%	0.2%	7.9M	-1.10B	-12.6M	0.86	46.10	13,443	11,561	105,580	122,528
2022-08-12	$537.08	$525.00	22.9%	6.7%	19.5%	23.4%	24.1%	3.8%	0.6%	43.7M	-1.27B	-12.6M	0.88	30.10	12,794	11,261	109,128	125,811
2022-08-15	$546.57	$530.00	23.7%	6.8%	19.9%	25.6%	24.6%	3.8%	3.1%	68.2M	-1.83B	-12.1M	1.06	22.15	15,284	16,272	101,254	118,341
2022-08-16	$554.00	$530.00	22.6%	6.5%	20.2%	22.4%	23.5%	3.6%	3.8%	105.8M	-2.29B	-11.9M	0.71	18.41	30,580	21,743	104,662	123,969
2022-08-17	$556.70	$530.00	22.9%	6.6%	20.1%	23.3%	24.9%	3.5%	3.8%	112.5M	-2.38B	-11.8M	0.89	18.08	26,620	23,705	108,008	126,933
2022-08-18	$561.49	$525.00	22.7%	6.3%	20.2%	22.7%	22.9%	3.6%	4.1%	151.3M	-2.87B	-12.4M	0.56	20.41	28,017	15,812	116,080	136,308
2022-08-19	$554.83	$525.00	23.9%	6.4%	20.8%	26.0%	23.5%	3.8%	4.3%	83.1M	-2.38B	-12.6M	1.13	18.91	14,581	16,536	118,817	139,589
2022-08-22	$545.33	$525.00	28.1%	7.2%	21.9%	37.8%	26.0%	5.1%	-0.5%	12.2M	-1.18B	-12.7M	1.29	14.34	12,415	15,986	90,380	109,768
2022-08-23	$542.11	$530.00	28.9%	7.1%	18.7%	39.9%	25.5%	5.2%	-0.6%	-10.4M	-951.8M	-13.2M	1.33	10.40	10,133	13,444	94,547	118,972
2022-08-24	$544.25	$530.00	28.3%	6.8%	16.9%	38.4%	24.1%	5.2%	-0.6%	-2.7M	-1.07B	-13.3M	1.08	11.77	8,023	8,630	96,741	124,638
2022-08-25	$549.80	$530.00	27.2%	6.4%	15.7%	35.2%	21.7%	4.8%	-0.5%	24.2M	-1.42B	-13.0M	0.63	11.16	18,456	11,682	98,380	128,185
2022-08-26	$533.00	$530.00	29.7%	7.4%	19.0%	42.1%	25.2%	5.6%	-0.6%	-66.9M	-320.4M	-13.6M	1.18	11.15	16,750	19,798	105,385	130,056
2022-08-29	$533.29	$530.00	30.1%	7.6%	18.6%	43.2%	26.9%	5.2%	-0.6%	-34.1M	-434.1M	-13.8M	1.13	9.58	14,007	15,890	97,639	126,445
2022-08-30	$524.45	$530.00	31.0%	7.9%	19.4%	45.7%	28.2%	5.3%	-0.4%	-55.5M	24.6M	-13.7M	1.34	13.96	12,741	17,010	101,613	130,891
2022-08-31	$524.79	$530.00	30.9%	7.8%	19.2%	45.5%	28.4%	5.3%	-0.5%	-58.9M	-11.5M	-13.8M	1.21	7.21	12,402	15,043	103,561	134,832