GME Options History — July 2013

In July 2013, GME traded between $10.54 and $12.27. ATM implied volatility averaged 37.0%, placing in the 8.2% IV rank vs the trailing year. The 30-day expected move averaged 10.7%. IV traded above realized volatility by 7.2% (HV 20d: 29.8%). Max pain ranged from $8.75 to $11.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 22 of 22 days. Put/call ratio averaged 1.25.

Notable Days

2013-07-31: Highest Volume — 229,728 contracts
2013-07-29: Largest IV spike — 20.1% change
2013-07-31: Highest IV Rank — 15.1%
2013-07-31: Largest Expected Move — 12.0%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$10.92	$10.54	$12.27	$10.55	$12.27
Max Pain	$10.31	$8.75	$11.00	$8.75	$10.75
ATM IV	37.0%	33.3%	45.3%	37.8%	45.3%
Expected Move	10.7%	9.6%	12.0%	11.0%	12.0%
HV 20d	29.8%	15.8%	50.6%	50.6%	26.0%
HV 60d	46.5%	45.7%	47.9%	47.9%	46.8%
IV Rank	8.2%	5.1%	15.1%	8.8%	15.1%
IV Percentile	22.4%	6.7%	67.5%	27.0%	67.5%
Term Structure	3.5%	0.5%	7.2%	5.6%	2.3%
VWIV	38.2%	34.6%	42.0%	39.2%	41.5%
Skew 25d	3.1%	-0.4%	5.1%	3.0%	-0.4%
Skew 10d	7.4%	2.8%	11.6%	7.5%	2.8%
Call IV 25d	37.0%	33.3%	43.5%	37.6%	43.5%
Put IV 25d	40.0%	36.2%	44.0%	40.6%	43.1%
Bid-Ask Spread %	10.56	6.23	16.81	8.79	10.69
Gamma HHI	0.16	0.10	0.39	0.10	0.15
Net GEX	7.4M	3.6M	13.1M	7.0M	5.4M
Net DEX	-344.6M	-427.2M	-204.0M	-357.7M	-366.1M
Net VEX	-1.0M	-1.1M	-903.7K	-1.1M	-991.4K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.25	0.15	3.62	2.47	0.21
Total Volume	29,493.455	5,904	229,728	18,480	229,728
Total OI	814,592	574,824	946,084	895,840	663,232

Daily Data (22 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
2013-07-01	$10.55	$8.75	37.8%	11.0%	50.6%	8.8%	39.2%	3.0%	5.6%	7.0M	-357.7M	-1.1M	2.47	8.79	N/A	N/A	5,320	13,160	564,312	331,528
2013-07-02	$10.54	$8.75	35.1%	10.6%	50.1%	6.6%	37.8%	2.5%	6.8%	7.2M	-357.8M	-1.1M	2.40	8.04	N/A	N/A	2,592	6,224	565,648	337,620
2013-07-03	$10.60	$8.75	38.2%	10.6%	49.2%	9.2%	38.5%	2.6%	7.2%	7.2M	-365.4M	-1.1M	2.44	8.48	N/A	N/A	4,724	11,520	566,248	340,056
2013-07-05	$10.75	$10.50	35.1%	11.7%	48.8%	6.6%	40.6%	4.6%	1.7%	8.4M	-387.3M	-1.1M	0.38	16.54	N/A	N/A	24,780	9,412	569,228	344,248
2013-07-08	$10.66	$10.50	41.3%	11.7%	45.6%	11.8%	41.4%	4.1%	1.9%	7.9M	-378.0M	-1.1M	1.30	13.21	N/A	N/A	5,004	6,500	576,692	346,164
2013-07-09	$10.67	$10.50	41.5%	11.1%	40.6%	12.0%	39.8%	4.4%	2.8%	8.1M	-380.5M	-1.1M	1.19	6.85	N/A	N/A	5,948	7,076	577,676	348,428
2013-07-10	$10.61	$10.50	34.8%	11.3%	32.8%	6.3%	39.3%	4.6%	2.3%	8.1M	-369.4M	-1.0M	0.65	10.78	N/A	N/A	3,576	2,328	579,128	351,788
2013-07-11	$10.65	$10.50	37.4%	10.7%	29.9%	8.5%	38.1%	4.3%	3.0%	8.7M	-377.0M	-1.0M	1.38	11.65	N/A	N/A	7,492	10,372	579,232	352,508
2013-07-12	$10.79	$10.50	36.4%	10.4%	29.2%	7.7%	36.9%	3.6%	3.8%	9.5M	-397.1M	-1.0M	2.46	10.08	N/A	N/A	3,572	8,800	582,184	358,752
2013-07-15	$10.87	$10.50	36.2%	10.4%	26.7%	7.5%	36.7%	3.5%	4.1%	9.1M	-412.0M	-993.5K	1.52	10.04	N/A	N/A	5,140	7,808	580,240	357,688
2013-07-16	$10.96	$10.50	35.5%	10.2%	25.8%	7.0%	36.4%	5.1%	4.4%	9.8M	-427.2M	-986.8K	0.54	11.05	N/A	N/A	6,956	3,768	581,720	361,756
2013-07-17	$10.87	$10.50	35.6%	10.2%	26.2%	7.1%	36.5%	3.5%	4.0%	10.3M	-413.5M	-961.8K	1.83	10.50	N/A	N/A	3,692	6,764	583,160	362,924
2013-07-18	$10.91	$10.50	34.5%	9.9%	26.2%	6.2%	34.6%	3.5%	4.9%	13.1M	-412.4M	-957.6K	0.24	10.32	N/A	N/A	10,232	2,416	576,304	359,016
2013-07-19	$10.87	$10.50	34.3%	9.8%	16.7%	5.9%	35.1%	2.6%	4.4%	7.2M	-402.1M	-934.3K	0.59	10.67	N/A	N/A	14,296	8,412	581,032	359,732
2013-07-22	$10.76	$10.50	33.5%	9.6%	17.1%	5.3%	34.6%	3.6%	3.8%	3.9M	-217.7M	-929.7K	0.90	10.48	N/A	N/A	8,988	8,076	382,396	192,428
2013-07-23	$10.61	$10.50	33.6%	9.6%	15.8%	5.4%	35.1%	2.9%	3.6%	3.6M	-204.0M	-903.7K	0.15	16.81	N/A	N/A	26,828	3,996	385,296	196,900
2013-07-24	$10.81	$10.50	37.1%	10.6%	16.8%	8.3%	37.0%	2.5%	2.8%	4.4M	-233.5M	-963.1K	0.40	6.23	N/A	N/A	33,960	13,748	408,980	198,300
2013-07-25	$11.10	$10.50	36.3%	10.4%	18.7%	7.6%	38.2%	1.4%	3.3%	5.9M	-247.9M	-981.8K	3.62	11.81	N/A	N/A	1,928	6,972	412,576	207,136
2013-07-26	$11.45	$10.50	33.3%	10.8%	20.7%	5.1%	38.9%	2.1%	2.6%	6.0M	-288.0M	-967.1K	0.81	11.20	N/A	N/A	26,532	21,364	413,504	208,764
2013-07-29	$11.35	$11.00	40.0%	11.7%	19.6%	10.7%	41.3%	1.5%	0.5%	6.0M	-269.9M	-991.9K	0.51	8.69	N/A	N/A	9,636	4,952	418,340	217,488
2013-07-30	$11.73	$10.75	40.5%	11.7%	22.1%	11.1%	42.0%	2.0%	1.9%	6.1M	-316.2M	-985.1K	1.44	9.46	N/A	N/A	18,148	26,116	422,980	217,692
2013-07-31	$12.27	$10.75	45.3%	12.0%	26.0%	15.1%	41.5%	-0.4%	2.3%	5.4M	-366.1M	-991.4K	0.21	10.69	N/A	N/A	189,692	40,036	428,768	234,464