GWW Options History — August 2017

In August 2017, GWW traded between $156.14 and $170.29. ATM implied volatility averaged 22.8%, placing in the 24.3% IV rank vs the trailing year. The 30-day expected move averaged 6.5%. IV traded below realized volatility by 5.4% (HV 20d: 28.2%). Max pain ranged from $160.00 to $170.00. Net GEX was positive for 9 of 23 trading days. Term structure was in contango for 21 of 23 days. Put/call ratio averaged 1.93.

Notable Days

2017-08-18: Highest Volume — 5,753 contracts
2017-08-31: Largest IV drop — 9.7% change
2017-08-29: Highest IV Rank — 34.9%
2017-08-29: Largest Expected Move — 7.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$163.80	$156.14	$170.29	$169.30	$162.53
Max Pain	$164.78	$160.00	$170.00	$170.00	$160.00
ATM IV	22.8%	21.2%	25.4%	22.8%	21.2%
Expected Move	6.5%	6.1%	7.3%	6.5%	6.1%
HV 20d	28.2%	18.3%	35.6%	35.2%	26.0%
HV 60d	27.1%	26.3%	28.5%	26.6%	28.5%
IV Rank	24.3%	17.9%	34.9%	24.4%	17.9%
IV Percentile	58.6%	34.9%	81.3%	60.3%	34.9%
Term Structure	4.2%	-0.5%	6.4%	-0.5%	6.4%
VWIV	23.6%	22.2%	24.9%	24.1%	23.5%
Skew 25d	3.6%	3.0%	4.7%	4.7%	3.8%
Skew 10d	7.8%	6.1%	9.9%	9.9%	8.2%
Call IV 25d	21.6%	20.2%	23.4%	21.3%	20.5%
Put IV 25d	25.2%	23.3%	27.6%	26.0%	24.3%
Bid-Ask Spread %	25.19	15.16	50.48	22.64	50.48
Gamma HHI	0.19	0.14	0.27	0.15	0.25
Net GEX	-261.8K	-3.4M	2.3M	-392.2K	2.3M
Net DEX	87.7M	36.7M	125.2M	100.9M	36.7M
Net VEX	-387.2K	-479.7K	-311.7K	-436.3K	-385.5K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.93	0.46	3.44	1.05	2.82
Total Volume	2,461.174	1,252	5,753	1,252	2,717
Total OI	22,667.174	17,902	26,319	22,450	21,605

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
2017-08-01	$169.30	$170.00	22.8%	6.5%	35.2%	24.4%	24.1%	4.7%	-0.5%	-392.2K	100.9M	-436.3K	1.05	22.64	N/A	N/A	611	641	7,490	14,960
2017-08-02	$169.97	$170.00	22.8%	6.5%	35.3%	24.4%	24.2%	4.4%	-0.2%	1.6M	83.5M	-479.7K	0.92	15.16	N/A	N/A	683	625	9,536	14,922
2017-08-03	$169.04	$165.00	21.6%	6.3%	34.7%	19.6%	23.0%	3.3%	4.0%	1.7M	87.9M	-470.3K	1.10	24.57	N/A	N/A	609	671	9,715	14,905
2017-08-04	$170.29	$165.00	21.4%	6.2%	34.9%	19.0%	23.0%	3.8%	4.5%	2.2M	79.2M	-477.8K	1.18	22.00	N/A	N/A	664	784	9,792	14,940
2017-08-07	$167.57	$165.00	21.9%	6.3%	35.2%	20.9%	23.1%	3.7%	4.5%	1.3M	100.1M	-436.4K	1.45	16.87	N/A	N/A	597	863	9,733	14,954
2017-08-08	$164.39	$165.00	23.4%	6.4%	35.6%	27.0%	23.1%	3.5%	4.3%	-535.4K	120.9M	-399.8K	1.23	26.29	N/A	N/A	707	870	9,815	15,091
2017-08-09	$166.14	$165.00	22.5%	6.5%	33.0%	23.4%	23.1%	3.7%	4.4%	193.4K	114.2M	-407.3K	1.18	18.63	N/A	N/A	740	870	9,884	15,271
2017-08-10	$163.50	$165.00	22.5%	6.5%	33.2%	23.4%	23.6%	3.7%	4.9%	-789.2K	121.7M	-394.9K	1.21	21.85	N/A	N/A	670	810	9,808	15,355
2017-08-11	$164.25	$165.00	22.8%	6.5%	33.0%	24.5%	24.7%	3.7%	4.5%	-689.8K	118.0M	-391.4K	2.13	18.15	N/A	N/A	670	1,428	9,848	15,383
2017-08-14	$166.81	$165.00	22.0%	6.3%	33.6%	21.5%	24.9%	3.6%	5.3%	1.3M	106.4M	-401.0K	3.44	18.80	N/A	N/A	689	2,371	9,897	15,571
2017-08-15	$165.65	$165.00	22.2%	6.4%	33.1%	21.9%	24.5%	3.4%	5.0%	-2.0M	125.2M	-388.0K	2.39	17.13	N/A	N/A	581	1,390	9,934	16,385
2017-08-16	$164.87	$165.00	21.2%	6.1%	20.4%	18.0%	23.3%	3.1%	5.0%	-2.2M	93.5M	-358.0K	1.75	39.43	N/A	N/A	598	1,048	10,000	14,189
2017-08-17	$164.81	$165.00	22.6%	6.5%	18.3%	23.7%	24.1%	3.0%	4.7%	-3.4M	93.0M	-362.4K	2.96	43.48	N/A	N/A	602	1,780	10,033	14,127
2017-08-18	$161.98	$165.00	23.7%	6.8%	19.2%	28.0%	22.2%	3.6%	4.4%	-1.6M	104.4M	-333.6K	0.60	16.91	N/A	N/A	3,605	2,148	10,058	13,784
2017-08-21	$158.84	$165.00	23.6%	6.8%	19.7%	27.5%	24.3%	3.6%	4.5%	-1.5M	85.7M	-319.1K	2.84	20.19	N/A	N/A	652	1,851	7,193	10,847
2017-08-22	$164.28	$165.00	21.9%	6.3%	23.0%	20.8%	22.3%	3.1%	5.2%	-164.2K	54.1M	-356.4K	1.60	26.46	N/A	N/A	1,289	2,060	7,394	10,508
2017-08-23	$161.77	$165.00	23.2%	6.7%	22.9%	26.0%	23.0%	3.1%	4.6%	-455.5K	52.0M	-367.3K	2.64	24.12	N/A	N/A	858	2,268	8,044	10,062
2017-08-24	$158.36	$165.00	23.5%	6.7%	23.7%	27.1%	24.0%	3.4%	4.3%	-1.4M	70.2M	-341.7K	3.30	42.29	N/A	N/A	672	2,218	8,006	10,481
2017-08-25	$159.98	$165.00	23.2%	6.6%	23.8%	25.9%	23.6%	3.2%	5.0%	-1.1M	64.6M	-354.8K	3.05	18.77	N/A	N/A	700	2,133	8,178	10,655
2017-08-28	$156.14	$165.00	24.9%	7.1%	24.7%	32.6%	23.3%	4.2%	3.5%	-2.3M	82.6M	-311.7K	0.46	27.54	N/A	N/A	3,884	1,805	8,308	10,688
2017-08-29	$157.46	$160.00	25.4%	7.3%	24.3%	34.9%	24.9%	4.3%	3.6%	953.0K	66.6M	-362.7K	2.65	27.38	N/A	N/A	738	1,954	11,504	10,913
2017-08-30	$159.46	$160.00	23.4%	6.7%	24.8%	27.0%	23.3%	3.1%	4.6%	848.4K	55.7M	-369.8K	2.43	20.17	N/A	N/A	724	1,759	10,523	11,056
2017-08-31	$162.53	$160.00	21.2%	6.1%	26.0%	17.9%	23.5%	3.8%	6.4%	2.3M	36.7M	-385.5K	2.82	50.48	N/A	N/A	711	2,006	10,606	10,999