COST Options History — June 2014

In June 2014, COST traded between $115.16 and $118.23. ATM implied volatility averaged 12.1%, placing in the 4.9% IV rank vs the trailing year. The 30-day expected move averaged 4.9%. IV traded above realized volatility by 0.3% (HV 20d: 11.8%). Max pain ranged from $90.00 to $90.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 16 of 21 days. Put/call ratio averaged 0.59.

Notable Days

2014-06-24: Highest Volume — 15,684 contracts
2014-06-18: Largest IV spike — 5.9% change
2014-06-18: Highest IV Rank — 12.1%
2014-06-18: Largest Expected Move — 5.0%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$116.10	$115.16	$118.23	$115.68	$115.16
Max Pain	$90.00	$90.00	$90.00	$90.00	$90.00
ATM IV	12.1%	11.3%	13.2%	11.7%	11.9%
Expected Move	4.9%	4.8%	5.0%	4.9%	5.0%
HV 20d	11.8%	9.0%	15.7%	15.7%	9.0%
HV 60d	12.0%	11.7%	12.2%	11.9%	11.9%
IV Rank	4.9%	0.0%	12.1%	0.7%	3.7%
IV Percentile	3.2%	0.0%	7.9%	0.4%	2.4%
Term Structure	0.2%	-0.5%	0.7%	0.3%	0.5%
VWIV	17.9%	16.9%	19.0%	17.7%	18.3%
Skew 25d	1.4%	0.9%	1.8%	1.1%	1.3%
Skew 10d	2.9%	2.0%	4.0%	2.2%	2.4%
Call IV 25d	11.7%	10.6%	12.8%	11.4%	11.4%
Put IV 25d	13.1%	11.7%	14.3%	12.5%	12.7%
Bid-Ask Spread %	12.48	9.15	16.50	11.34	15.79
Gamma HHI	0.15	0.11	0.20	0.12	0.19
Net GEX	21.7M	10.5M	34.2M	10.5M	22.3M
Net DEX	-201.1M	-333.4M	-139.6M	-159.7M	-163.6M
Net VEX	-2.4M	-2.5M	-2.3M	-2.3M	-2.3M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.59	0.19	1.38	0.56	0.45
Total Volume	7,740.286	2,647	15,684	4,872	3,943
Total OI	147,566.905	141,738	154,525	141,738	144,000

Daily Data (21 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
2014-06-02	$115.68	$90.00	11.7%	4.9%	15.7%	0.7%	17.7%	1.1%	0.3%	10.5M	-159.7M	-2.3M	0.56	11.34	3,117	1,755	73,419	68,319
2014-06-03	$115.51	$90.00	11.6%	4.9%	15.5%	0.0%	18.1%	1.1%	0.3%	11.4M	-153.7M	-2.4M	1.00	10.88	1,324	1,323	74,852	68,948
2014-06-04	$116.31	$90.00	12.0%	4.9%	14.6%	2.6%	18.3%	1.0%	0.1%	18.7M	-201.1M	-2.3M	0.65	10.25	4,541	2,944	75,204	69,216
2014-06-05	$117.75	$90.00	11.3%	4.8%	14.7%	0.0%	18.3%	1.1%	0.7%	31.3M	-304.9M	-2.4M	0.86	11.57	8,131	7,002	77,142	70,450
2014-06-06	$118.23	$90.00	11.3%	4.8%	12.3%	0.1%	17.4%	1.1%	0.6%	26.8M	-333.4M	-2.3M	0.44	10.30	6,275	2,782	78,145	73,830
2014-06-09	$117.78	$90.00	11.8%	4.8%	12.3%	3.1%	17.2%	1.6%	-0.5%	23.7M	-270.0M	-2.3M	1.38	10.87	2,924	4,039	74,602	67,600
2014-06-10	$117.10	$90.00	12.0%	5.0%	12.1%	4.7%	17.3%	1.3%	0.6%	20.7M	-229.3M	-2.4M	0.74	12.18	3,846	2,858	75,131	69,330
2014-06-11	$116.24	$90.00	12.3%	5.0%	12.4%	6.3%	17.7%	1.5%	0.3%	15.4M	-182.3M	-2.4M	0.20	11.66	8,889	1,747	77,096	70,800
2014-06-12	$115.44	$90.00	12.4%	5.0%	12.1%	7.0%	18.6%	1.2%	0.1%	12.8M	-144.6M	-2.4M	0.84	11.51	3,167	2,653	80,806	71,326
2014-06-13	$115.30	$90.00	12.3%	5.0%	11.8%	6.3%	18.3%	0.9%	0.1%	12.3M	-139.6M	-2.5M	0.52	11.63	3,149	1,624	82,102	71,703
2014-06-16	$115.43	$90.00	12.5%	5.0%	11.2%	7.8%	18.8%	1.8%	0.7%	14.5M	-156.3M	-2.4M	0.95	11.86	1,810	1,715	80,579	62,746
2014-06-17	$115.45	$90.00	12.5%	5.0%	10.9%	7.5%	17.1%	1.4%	0.2%	15.4M	-159.0M	-2.4M	0.37	11.48	3,401	1,248	81,394	63,398
2014-06-18	$116.27	$90.00	13.2%	5.0%	10.5%	12.1%	18.2%	1.6%	-0.3%	22.3M	-220.6M	-2.4M	0.21	12.20	12,221	2,551	83,290	63,726
2014-06-19	$116.26	$90.00	12.8%	5.0%	10.2%	9.8%	16.9%	1.7%	0.0%	31.0M	-243.4M	-2.4M	0.19	12.04	6,334	1,210	87,532	64,178
2014-06-20	$115.36	$90.00	12.5%	4.9%	10.7%	7.9%	18.6%	1.6%	0.1%	25.9M	-187.8M	-2.4M	0.59	13.10	6,072	3,592	90,030	64,495
2014-06-23	$115.22	$90.00	12.1%	4.9%	10.7%	5.1%	17.4%	1.3%	-0.1%	22.6M	-164.8M	-2.4M	0.30	9.15	7,797	2,317	83,975	58,143
2014-06-24	$116.31	$90.00	11.9%	4.9%	10.5%	3.9%	19.0%	1.5%	0.4%	32.2M	-229.7M	-2.4M	0.55	16.11	10,106	5,578	86,523	59,425
2014-06-25	$116.27	$90.00	11.9%	4.9%	10.5%	4.1%	17.1%	1.4%	0.1%	34.2M	-219.9M	-2.4M	0.44	16.11	3,314	1,473	88,327	61,840
2014-06-26	$115.64	$90.00	12.1%	4.9%	10.7%	5.0%	17.2%	1.8%	-0.1%	29.2M	-185.8M	-2.4M	0.30	15.50	4,425	1,324	89,238	62,456
2014-06-27	$115.49	$90.00	12.0%	4.9%	9.0%	4.4%	19.0%	1.2%	-0.1%	23.0M	-172.5M	-2.4M	0.90	16.50	4,214	3,811	91,048	62,541
2014-06-30	$115.16	$90.00	11.9%	5.0%	9.0%	3.7%	18.3%	1.3%	0.5%	22.3M	-163.6M	-2.3M	0.45	15.79	2,720	1,223	85,749	58,251