GWW Options History — October 2018

In October 2018, GWW traded between $272.13 and $358.25. ATM implied volatility averaged 37.7%, placing in the 44.9% IV rank vs the trailing year. The 30-day expected move averaged 11.1%. IV traded above realized volatility by 0.2% (HV 20d: 37.5%). Max pain ranged from $280.00 to $360.00. Net GEX was positive for 16 of 23 trading days. Term structure was in contango for 1 of 23 days. Put/call ratio averaged 1.34.

Notable Days

2018-10-16: Highest Volume — 17,903 contracts
2018-10-16: Largest IV drop — 29.6% change
2018-10-11: Highest IV Rank — 100.0%
2018-10-11: Largest Expected Move — 14.9%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$305.66	$272.13	$358.25	$353.73	$285.15
Max Pain	$316.52	$280.00	$360.00	$330.00	$280.00
ATM IV	37.7%	29.6%	54.5%	37.8%	31.9%
Expected Move	11.1%	8.6%	14.9%	12.6%	9.7%
HV 20d	37.5%	14.7%	55.7%	14.8%	55.7%
HV 60d	31.5%	22.5%	36.1%	28.4%	35.5%
IV Rank	44.9%	23.4%	100.0%	40.4%	30.6%
IV Percentile	74.4%	49.6%	100.0%	80.6%	58.7%
Term Structure	-1.5%	-4.8%	0.0%	-1.0%	-0.7%
VWIV	38.2%	29.1%	50.6%	44.7%	36.7%
Skew 25d	4.1%	3.2%	6.6%	3.3%	4.1%
Skew 10d	8.6%	5.8%	13.8%	5.8%	6.6%
Call IV 25d	36.1%	28.6%	53.2%	35.9%	30.2%
Put IV 25d	40.2%	32.2%	58.9%	39.2%	34.3%
Bid-Ask Spread %	18.30	5.23	46.28	19.08	46.28
Gamma HHI	0.06	0.04	0.12	0.05	0.07
Net GEX	1.3M	-5.1M	9.6M	7.7M	2.6M
Net DEX	20.2M	-162.8M	201.3M	-138.2M	25.5M
Net VEX	-1.1M	-1.2M	-825.3K	-1.2M	-995.9K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.34	0.86	2.20	0.99	2.20
Total Volume	8,443.652	5,872	17,903	5,872	8,300
Total OI	34,047.261	29,397	44,251	31,954	29,687

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
2018-10-01	$353.73	$330.00	37.8%	12.6%	14.8%	40.4%	44.7%	3.3%	-1.0%	7.7M	-138.2M	-1.2M	0.99	19.08	N/A	N/A	2,957	2,915	18,027	13,927
2018-10-02	$354.83	$330.00	38.1%	13.0%	14.7%	41.2%	45.3%	3.2%	-0.7%	7.9M	-142.7M	-1.2M	0.87	12.66	N/A	N/A	3,169	2,752	18,317	14,331
2018-10-03	$358.25	$330.00	38.6%	13.5%	15.1%	42.6%	45.9%	3.8%	-1.7%	9.6M	-162.8M	-1.2M	0.86	17.31	N/A	N/A	3,311	2,841	18,366	14,405
2018-10-04	$350.98	$360.00	40.3%	10.7%	16.7%	47.0%	37.2%	3.2%	-1.0%	5.5M	-117.4M	-1.2M	0.97	9.41	N/A	N/A	3,232	3,145	18,606	14,678
2018-10-05	$350.35	$360.00	40.9%	11.0%	16.2%	48.4%	38.1%	3.6%	-1.2%	3.5M	-108.5M	-1.2M	0.98	12.38	N/A	N/A	3,111	3,054	18,626	15,055
2018-10-08	$345.60	$360.00	43.2%	11.5%	16.5%	54.4%	38.1%	3.6%	-2.5%	3.7M	-84.5M	-1.2M	1.38	10.27	N/A	N/A	2,736	3,787	17,801	14,575
2018-10-09	$335.68	$350.00	44.3%	12.0%	17.4%	57.2%	40.0%	5.3%	-2.3%	1.3M	-30.4M	-1.1M	1.30	14.84	N/A	N/A	3,022	3,927	18,207	15,636
2018-10-10	$317.77	$350.00	50.9%	13.8%	25.1%	74.0%	47.8%	4.0%	-3.3%	-183.5K	34.4M	-1.1M	1.02	21.32	N/A	N/A	4,529	4,623	18,620	15,695
2018-10-11	$311.85	$350.00	54.5%	14.9%	25.5%	100.0%	50.6%	5.7%	-2.9%	-829.7K	41.2M	-1.1M	1.26	25.73	N/A	N/A	3,255	4,087	19,501	15,847
2018-10-12	$311.08	$350.00	50.3%	13.5%	25.2%	87.2%	45.8%	6.6%	-4.8%	-1.1M	52.0M	-983.2K	1.42	23.92	N/A	N/A	3,101	4,409	19,833	15,787
2018-10-15	$318.48	$330.00	46.4%	13.1%	27.3%	75.1%	45.3%	5.1%	-3.2%	371.4K	10.0M	-970.4K	1.32	33.45	N/A	N/A	5,394	7,128	18,691	15,127
2018-10-16	$277.67	$330.00	32.7%	9.4%	54.0%	33.0%	32.0%	3.6%	-2.3%	-5.1M	201.3M	-825.3K	1.01	5.23	N/A	N/A	8,893	9,010	20,866	18,748
2018-10-17	$279.93	$290.00	30.0%	8.6%	54.4%	24.7%	29.6%	3.6%	-1.2%	-3.7M	130.6M	-974.3K	0.94	12.18	N/A	N/A	5,148	4,817	24,677	19,507
2018-10-18	$275.50	$290.00	30.6%	8.8%	53.7%	26.7%	30.5%	3.4%	-1.2%	-4.5M	147.8M	-983.1K	1.16	14.17	N/A	N/A	4,567	5,275	24,794	19,457
2018-10-19	$276.27	$290.00	29.6%	8.6%	53.7%	23.4%	29.1%	4.1%	-0.9%	285.9K	132.1M	-977.5K	1.36	14.19	N/A	N/A	4,307	5,872	25,294	18,882
2018-10-22	$275.58	$290.00	30.5%	9.0%	53.8%	26.3%	31.7%	3.3%	-0.5%	397.5K	71.4M	-974.1K	1.47	13.02	N/A	N/A	3,385	4,987	16,640	13,174
2018-10-23	$273.69	$290.00	31.2%	9.4%	53.3%	28.4%	33.1%	3.7%	-0.5%	321.6K	74.4M	-981.9K	1.60	14.22	N/A	N/A	3,072	4,917	17,055	13,348
2018-10-24	$274.48	$290.00	32.6%	9.9%	53.3%	32.7%	33.3%	4.1%	-0.8%	471.1K	73.2M	-1.0M	1.46	14.37	N/A	N/A	3,540	5,171	17,152	13,420
2018-10-25	$272.13	$290.00	32.6%	9.9%	53.2%	32.7%	34.2%	4.8%	0.0%	-608.3K	79.8M	-991.8K	1.71	16.81	N/A	N/A	3,215	5,497	17,166	13,632
2018-10-26	$274.92	$280.00	33.6%	10.3%	53.4%	35.6%	36.2%	3.9%	-0.8%	247.8K	70.3M	-1.0M	1.64	20.32	N/A	N/A	3,168	5,209	17,172	13,818
2018-10-29	$273.52	$280.00	34.4%	10.8%	53.5%	38.4%	36.8%	3.3%	-1.3%	428.6K	64.9M	-995.8K	1.90	19.00	N/A	N/A	2,675	5,081	16,236	13,161
2018-10-30	$282.85	$280.00	32.5%	10.3%	55.7%	32.4%	36.9%	4.3%	-0.8%	1.8M	39.5M	-1.0M	2.02	30.83	N/A	N/A	2,520	5,093	16,278	13,265
2018-10-31	$285.15	$280.00	31.9%	9.7%	55.7%	30.6%	36.7%	4.1%	-0.7%	2.6M	25.5M	-995.9K	2.20	46.28	N/A	N/A	2,596	5,704	16,367	13,320