W Options History — October 2018

In October 2018, W traded between $100.56 and $143.71. ATM implied volatility averaged 78.1%, placing in the 84.2% IV rank vs the trailing year. The 30-day expected move averaged 22.3%. IV traded above realized volatility by 26.2% (HV 20d: 51.9%). Max pain ranged from $115.00 to $140.00. Net GEX was positive for 1 of 23 trading days. Term structure was in contango for 0 of 23 days. Put/call ratio averaged 0.98.

Notable Days

2018-10-31: Highest Volume — 14,341 contracts
2018-10-29: Largest IV spike — 11.5% change
2018-10-29: Highest IV Rank — 100.0%
2018-10-29: Largest Expected Move — 32.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$122.50	$100.56	$143.71	$143.71	$110.89
Max Pain	$119.57	$115.00	$140.00	$140.00	$115.00
ATM IV	78.1%	64.1%	94.0%	64.1%	81.2%
Expected Move	22.3%	12.8%	32.6%	12.8%	28.5%
HV 20d	51.9%	43.2%	66.1%	43.2%	66.1%
HV 60d	45.7%	40.3%	51.0%	40.3%	51.0%
IV Rank	84.2%	58.5%	100.0%	58.5%	78.3%
IV Percentile	95.1%	70.2%	100.0%	70.2%	96.8%
Term Structure	-3.8%	-6.3%	-0.9%	-2.0%	-4.2%
VWIV	78.6%	44.8%	117.2%	44.9%	101.4%
Skew 25d	12.0%	9.6%	15.6%	9.7%	14.4%
Skew 10d	25.6%	20.9%	30.6%	20.9%	30.6%
Call IV 25d	72.8%	64.6%	85.6%	64.6%	74.1%
Put IV 25d	84.8%	74.3%	98.3%	74.3%	88.5%
Bid-Ask Spread %	21.60	11.62	37.12	11.62	23.76
Gamma HHI	0.07	0.05	0.11	0.11	0.07
Net GEX	-1.8M	-3.4M	1.4M	1.4M	-2.2M
Net DEX	-6.9M	-121.4M	98.1M	-121.4M	38.0M
Net VEX	-834.1K	-874.1K	-791.0K	-858.1K	-826.1K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.98	0.43	1.53	1.04	1.04
Total Volume	8,283.87	5,917	14,341	6,478	14,341
Total OI	70,240.348	64,810	76,869	64,810	76,869

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	$143.71	$140.00	64.1%	12.8%	43.2%	58.5%	44.9%	9.7%	-2.0%	1.4M	-121.4M	-858.1K	1.04	11.62	N/A	N/A	3,168	3,310	22,156	42,654
2018-10-02	$135.13	$140.00	71.2%	13.7%	47.8%	72.5%	47.7%	10.4%	-3.0%	-647.1K	-61.1M	-867.7K	1.38	11.75	N/A	N/A	2,823	3,895	22,544	43,790
2018-10-03	$138.46	$140.00	72.5%	12.8%	46.5%	75.2%	44.8%	9.6%	-0.9%	-154.3K	-81.9M	-863.3K	1.17	21.89	N/A	N/A	3,098	3,633	22,929	44,443
2018-10-04	$132.49	$120.00	76.1%	20.1%	49.3%	82.2%	71.8%	11.4%	-2.7%	-1.4M	-41.9M	-874.1K	1.02	32.85	N/A	N/A	3,115	3,178	23,901	44,835
2018-10-05	$133.34	$120.00	76.2%	20.0%	49.3%	82.4%	72.1%	10.3%	-2.8%	-1.1M	-47.0M	-872.3K	1.06	27.59	N/A	N/A	3,131	3,316	24,168	45,186
2018-10-08	$129.28	$120.00	77.1%	20.7%	48.3%	84.3%	72.3%	11.2%	-4.7%	-1.7M	-27.7M	-842.3K	0.95	13.40	N/A	N/A	3,383	3,226	22,996	43,846
2018-10-09	$128.09	$120.00	78.6%	21.3%	46.6%	87.2%	77.1%	11.7%	-4.0%	-1.7M	-23.0M	-846.3K	0.94	32.37	N/A	N/A	3,164	2,963	23,507	44,052
2018-10-10	$120.13	$120.00	84.0%	23.0%	47.2%	97.8%	80.5%	12.3%	-3.5%	-2.6M	22.0M	-844.7K	1.53	37.12	N/A	N/A	3,025	4,642	23,781	44,180
2018-10-11	$116.40	$120.00	83.3%	22.6%	47.7%	96.5%	79.5%	13.9%	-5.8%	-3.0M	44.3M	-822.7K	1.06	25.81	N/A	N/A	4,632	4,919	24,079	44,536
2018-10-12	$122.87	$115.00	80.6%	21.9%	52.3%	91.1%	79.8%	12.7%	-6.3%	-2.6M	-737.9K	-845.7K	1.12	27.13	N/A	N/A	5,049	5,636	25,366	45,595
2018-10-15	$121.51	$115.00	82.1%	23.1%	50.3%	94.2%	84.7%	12.0%	-5.4%	-2.5M	2.0M	-837.4K	0.87	19.45	N/A	N/A	3,276	2,866	24,896	45,354
2018-10-16	$125.08	$115.00	76.4%	21.7%	52.0%	82.8%	73.5%	10.5%	-4.3%	-2.2M	-21.3M	-817.7K	0.74	24.41	N/A	N/A	3,856	2,840	25,256	45,821
2018-10-17	$124.69	$115.00	74.6%	21.4%	51.4%	79.3%	71.7%	10.7%	-3.0%	-2.2M	-23.6M	-809.4K	0.44	19.46	N/A	N/A	6,278	2,779	26,213	46,023
2018-10-18	$123.20	$115.00	76.1%	22.0%	51.4%	82.3%	74.0%	12.2%	-3.8%	-2.2M	-21.9M	-825.8K	0.43	16.80	N/A	N/A	6,256	2,675	28,378	46,193
2018-10-19	$122.86	$115.00	73.3%	21.5%	50.7%	76.7%	75.5%	11.8%	-5.2%	-1.7M	-25.1M	-808.5K	1.53	16.42	N/A	N/A	3,455	5,286	28,911	46,359
2018-10-22	$125.47	$115.00	72.3%	22.5%	50.3%	74.6%	79.2%	9.8%	-2.7%	-883.3K	-48.5M	-802.2K	1.11	17.21	N/A	N/A	2,798	3,119	22,833	43,691
2018-10-23	$119.78	$115.00	75.8%	23.5%	51.1%	81.6%	83.3%	12.1%	-3.9%	-1.6M	-11.3M	-817.4K	0.82	15.58	N/A	N/A	4,464	3,655	23,129	44,414
2018-10-24	$112.41	$115.00	78.9%	25.1%	54.2%	87.8%	87.6%	13.5%	-1.7%	-2.2M	38.1M	-817.6K	0.84	24.45	N/A	N/A	5,241	4,385	24,943	45,588
2018-10-25	$116.28	$115.00	76.3%	24.4%	55.2%	82.7%	86.6%	13.0%	-3.1%	-2.1M	14.2M	-840.9K	0.72	13.01	N/A	N/A	5,943	4,307	25,546	47,040
2018-10-26	$108.78	$115.00	84.4%	27.7%	57.5%	98.7%	98.9%	15.6%	-5.0%	-3.4M	65.6M	-845.7K	0.76	15.49	N/A	N/A	5,251	3,975	26,321	48,057
2018-10-29	$100.56	$115.00	94.0%	32.6%	61.6%	100.0%	117.2%	12.7%	-4.0%	-2.6M	98.1M	-791.0K	1.16	30.96	N/A	N/A	4,382	5,073	24,681	46,821
2018-10-30	$106.00	$115.00	87.4%	30.5%	64.1%	88.8%	103.2%	14.5%	-4.7%	-2.7M	74.5M	-807.5K	0.85	18.27	N/A	N/A	5,803	4,919	25,634	48,013
2018-10-31	$110.89	$115.00	81.2%	28.5%	66.1%	78.3%	101.4%	14.4%	-4.2%	-2.2M	38.0M	-826.1K	1.04	23.76	N/A	N/A	7,041	7,300	27,750	49,119