GWW Options History — August 2018

In August 2018, GWW traded between $338.50 and $368.61. ATM implied volatility averaged 24.5%, placing in the 8.3% IV rank vs the trailing year. The 30-day expected move averaged 7.0%. IV traded below realized volatility by 5.8% (HV 20d: 30.3%). Max pain ranged from $330.00 to $350.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 12 of 23 days. Put/call ratio averaged 0.50.

Notable Days

2018-08-20: Highest Volume — 13,195 contracts
2018-08-20: Largest IV spike — 10.1% change
2018-08-15: Highest IV Rank — 11.7%
2018-08-21: Largest Expected Move — 7.4%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$356.24	$338.50	$368.61	$341.93	$354.33
Max Pain	$341.30	$330.00	$350.00	$340.00	$350.00
ATM IV	24.5%	22.9%	25.8%	23.8%	23.0%
Expected Move	7.0%	6.4%	7.4%	7.0%	6.4%
HV 20d	30.3%	16.8%	43.2%	42.8%	19.4%
HV 60d	29.5%	28.7%	30.1%	30.1%	29.1%
IV Rank	8.3%	4.4%	11.7%	6.7%	4.6%
IV Percentile	20.6%	5.6%	32.1%	18.3%	5.6%
Term Structure	0.0%	-0.8%	0.8%	-0.2%	0.4%
VWIV	25.1%	22.2%	27.7%	24.7%	22.2%
Skew 25d	1.6%	-0.3%	2.7%	2.5%	1.9%
Skew 10d	2.9%	0.6%	6.4%	5.4%	4.8%
Call IV 25d	24.4%	22.3%	26.3%	23.3%	22.4%
Put IV 25d	26.0%	24.1%	27.2%	25.8%	24.3%
Bid-Ask Spread %	28.89	14.34	47.40	14.34	19.74
Gamma HHI	0.16	0.07	0.28	0.16	0.07
Net GEX	26.9M	10.2M	60.6M	16.6M	12.5M
Net DEX	-285.4M	-421.4M	-173.2M	-195.3M	-176.7M
Net VEX	-1.6M	-1.8M	-1.3M	-1.5M	-1.3M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.50	0.22	1.27	0.59	0.51
Total Volume	8,546.391	4,715	13,195	7,180	9,319
Total OI	42,678.043	33,208	47,118	44,503	41,005

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 Wall	Put Wall	Call Vol	Put Vol	Call OI	Put OI
2018-08-01	$341.93	$340.00	23.8%	7.0%	42.8%	6.7%	24.7%	2.5%	-0.2%	16.6M	-195.3M	-1.5M	0.59	14.34	N/A	N/A	4,507	2,673	31,386	13,117
2018-08-02	$341.33	$330.00	24.3%	7.0%	42.8%	7.8%	25.8%	2.3%	0.2%	15.3M	-193.9M	-1.5M	0.36	20.64	N/A	N/A	5,516	2,000	31,494	13,356
2018-08-03	$338.50	$330.00	25.3%	7.0%	43.2%	10.3%	27.7%	1.8%	-0.6%	10.2M	-177.3M	-1.5M	0.39	38.52	N/A	N/A	6,357	2,463	32,129	13,497
2018-08-06	$344.70	$330.00	24.4%	7.1%	43.0%	8.2%	25.5%	1.6%	0.8%	21.6M	-227.1M	-1.5M	0.38	37.28	N/A	N/A	5,993	2,286	32,619	12,546
2018-08-07	$349.22	$330.00	24.3%	7.0%	43.0%	7.7%	26.6%	1.2%	0.0%	29.8M	-277.9M	-1.6M	0.46	41.57	N/A	N/A	5,053	2,310	33,030	12,761
2018-08-08	$353.59	$330.00	24.1%	7.1%	42.8%	7.3%	26.2%	1.0%	0.4%	36.4M	-312.4M	-1.6M	0.51	33.91	N/A	N/A	4,894	2,500	33,230	12,827
2018-08-09	$351.92	$330.00	24.9%	7.0%	42.8%	9.4%	24.6%	1.7%	-0.4%	34.8M	-300.4M	-1.6M	0.76	34.07	N/A	N/A	3,383	2,561	33,287	12,949
2018-08-10	$350.53	$340.00	24.8%	7.2%	42.9%	9.2%	25.2%	-0.3%	-0.8%	35.4M	-297.0M	-1.6M	1.27	39.97	N/A	N/A	2,694	3,420	33,893	13,225
2018-08-13	$353.28	$340.00	25.3%	7.3%	40.9%	10.4%	26.4%	2.1%	0.3%	38.3M	-304.7M	-1.5M	0.99	31.05	N/A	N/A	2,374	2,341	33,715	13,149
2018-08-14	$361.53	$340.00	24.8%	7.0%	41.3%	9.0%	25.2%	1.1%	-0.3%	60.6M	-421.4M	-1.6M	0.45	35.75	N/A	N/A	5,802	2,620	33,782	13,312
2018-08-15	$358.11	$340.00	25.8%	7.3%	22.3%	11.7%	26.7%	0.4%	-0.4%	40.6M	-331.8M	-1.6M	0.39	47.40	N/A	N/A	6,641	2,614	29,819	13,617
2018-08-16	$359.91	$340.00	24.8%	7.1%	22.1%	9.1%	25.8%	1.2%	-0.0%	37.5M	-327.5M	-1.5M	0.39	33.00	N/A	N/A	6,000	2,359	25,529	13,602
2018-08-17	$357.87	$340.00	22.9%	6.6%	22.1%	4.4%	22.9%	1.8%	0.1%	26.2M	-284.4M	-1.4M	0.27	22.14	N/A	N/A	8,918	2,433	23,842	13,666
2018-08-20	$366.74	$340.00	25.3%	7.3%	23.4%	10.2%	25.6%	1.6%	-0.4%	19.3M	-329.9M	-1.6M	0.22	19.32	N/A	N/A	10,841	2,354	21,245	11,963
2018-08-21	$368.61	$350.00	25.6%	7.4%	22.0%	11.2%	25.7%	1.7%	-0.3%	29.6M	-405.7M	-1.8M	0.26	23.16	N/A	N/A	9,074	2,387	28,364	12,301
2018-08-22	$368.15	$350.00	25.1%	7.2%	21.4%	9.8%	25.1%	1.8%	-0.1%	27.7M	-355.9M	-1.7M	0.40	20.22	N/A	N/A	6,681	2,677	28,137	12,535
2018-08-23	$367.58	$350.00	24.5%	7.0%	21.2%	8.4%	24.7%	1.1%	-0.1%	27.1M	-353.1M	-1.7M	0.53	18.87	N/A	N/A	5,204	2,736	28,802	13,005
2018-08-24	$364.76	$350.00	24.1%	6.9%	21.4%	7.4%	23.9%	1.7%	0.2%	23.0M	-309.1M	-1.6M	0.54	27.29	N/A	N/A	5,698	3,062	29,093	13,305
2018-08-27	$363.85	$350.00	24.6%	7.0%	20.9%	8.7%	24.9%	1.8%	0.3%	23.6M	-294.2M	-1.6M	0.48	24.90	N/A	N/A	5,891	2,840	28,491	12,764
2018-08-28	$360.94	$350.00	24.3%	7.0%	18.1%	7.8%	25.1%	1.6%	0.7%	19.8M	-256.5M	-1.5M	0.40	24.33	N/A	N/A	6,973	2,782	27,511	13,086
2018-08-29	$362.94	$350.00	23.5%	6.6%	16.8%	6.0%	23.3%	1.8%	0.3%	19.9M	-258.8M	-1.5M	0.46	19.58	N/A	N/A	5,977	2,762	26,771	13,235
2018-08-30	$353.30	$350.00	23.8%	6.8%	19.8%	6.5%	24.6%	2.7%	0.6%	12.4M	-173.2M	-1.3M	0.49	37.49	N/A	N/A	5,763	2,834	27,097	13,506
2018-08-31	$354.33	$350.00	23.0%	6.4%	19.4%	4.6%	22.2%	1.9%	0.4%	12.5M	-176.7M	-1.3M	0.51	19.74	N/A	N/A	6,174	3,145	27,354	13,651