GME Options History — August 2013

In August 2013, GME traded between $11.89 and $13.10. ATM implied volatility averaged 41.3%, placing in the 12.5% IV rank vs the trailing year. The 30-day expected move averaged 12.8%. IV traded above realized volatility by 7.4% (HV 20d: 33.8%). Max pain ranged from $11.00 to $11.75. Net GEX was positive for 21 of 22 trading days. Term structure was in contango for 9 of 22 days. Put/call ratio averaged 1.46.

Notable Days

2013-08-28: Highest Volume — 213,864 contracts
2013-08-15: Largest IV spike — 53.7% change
2013-08-20: Highest IV Rank — 18.8%
2013-08-07: Largest Expected Move — 14.5%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$12.36	$11.89	$13.10	$12.49	$12.55
Max Pain	$11.27	$11.00	$11.75	$11.00	$11.75
ATM IV	41.3%	31.1%	48.8%	42.7%	35.9%
Expected Move	12.8%	10.7%	14.5%	11.9%	10.9%
HV 20d	33.8%	25.8%	46.0%	26.3%	43.2%
HV 60d	43.5%	36.9%	47.2%	46.9%	40.6%
IV Rank	12.5%	3.3%	18.8%	13.0%	8.3%
IV Percentile	48.0%	3.6%	84.1%	56.0%	18.3%
Term Structure	0.2%	-3.4%	8.7%	6.8%	2.8%
VWIV	46.4%	37.4%	52.7%	41.8%	38.4%
Skew 25d	2.6%	-0.7%	4.9%	-0.7%	1.5%
Skew 10d	5.5%	-1.6%	9.1%	-1.6%	4.1%
Call IV 25d	44.4%	37.7%	49.9%	42.6%	38.6%
Put IV 25d	47.0%	39.0%	53.9%	41.8%	40.1%
Bid-Ask Spread %	16.60	6.65	28.73	9.67	10.78
Gamma HHI	0.16	0.12	0.41	0.19	0.12
Net GEX	4.8M	-4.0M	7.5M	6.4M	3.4M
Net DEX	-355.2M	-487.7M	-211.1M	-487.7M	-211.1M
Net VEX	-1.2M	-1.4M	-978.3K	-1.4M	-993.8K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.46	0.06	3.62	3.62	2.93
Total Volume	43,714.364	6,624	213,864	68,608	24,968
Total OI	776,814	643,188	846,056	846,056	647,636

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
2013-08-01	$12.49	$11.00	42.7%	11.9%	26.3%	13.0%	41.8%	-0.7%	6.8%	6.4M	-487.7M	-1.4M	3.62	9.67	N/A	N/A	14,840	53,768	588,644	257,412
2013-08-02	$12.60	$11.25	41.7%	11.4%	26.2%	12.1%	38.8%	-0.2%	8.7%	4.5M	-414.6M	-1.3M	0.24	11.63	N/A	N/A	55,620	13,568	507,176	281,396
2013-08-05	$12.57	$11.25	48.8%	14.1%	25.8%	18.0%	50.2%	4.9%	-2.6%	5.1M	-421.4M	-1.3M	1.88	28.73	N/A	N/A	5,952	11,200	524,652	276,284
2013-08-06	$12.25	$11.25	46.6%	14.4%	28.5%	16.2%	52.3%	4.5%	-3.1%	5.0M	-377.8M	-1.3M	0.72	28.73	N/A	N/A	38,608	27,680	526,172	279,136
2013-08-07	$11.97	$11.25	39.8%	14.5%	30.0%	10.5%	52.7%	3.9%	-3.4%	5.4M	-347.1M	-1.3M	1.91	26.70	N/A	N/A	6,428	12,292	549,516	281,028
2013-08-08	$12.12	$11.25	38.4%	14.5%	30.1%	9.3%	52.0%	4.3%	-3.4%	5.2M	-369.7M	-1.3M	0.69	27.94	N/A	N/A	3,924	2,700	546,528	281,292
2013-08-09	$12.24	$11.25	36.9%	14.3%	30.0%	8.1%	52.7%	3.7%	-2.6%	5.2M	-388.1M	-1.3M	0.63	28.62	N/A	N/A	8,584	5,416	547,136	282,200
2013-08-12	$12.37	$11.25	38.5%	14.3%	30.1%	9.5%	52.1%	3.3%	-2.7%	5.8M	-413.2M	-1.2M	2.86	25.36	N/A	N/A	4,332	12,404	548,340	278,308
2013-08-13	$12.31	$11.25	37.1%	13.9%	30.3%	8.3%	50.3%	3.8%	-2.3%	5.4M	-400.3M	-1.3M	0.89	24.42	N/A	N/A	4,564	4,076	546,828	287,736
2013-08-14	$12.17	$11.25	31.1%	13.6%	30.5%	3.3%	49.0%	3.1%	-1.6%	5.4M	-378.0M	-1.3M	0.75	21.53	N/A	N/A	10,304	7,684	547,532	289,520
2013-08-15	$11.92	$11.25	47.8%	13.7%	31.9%	17.2%	49.7%	3.2%	-1.9%	5.3M	-339.2M	-1.2M	1.91	16.98	N/A	N/A	6,096	11,616	542,508	283,796
2013-08-16	$11.89	$11.25	48.5%	13.9%	31.9%	17.8%	49.3%	3.0%	-1.6%	4.9M	-332.6M	-1.2M	0.78	19.44	N/A	N/A	7,052	5,468	542,684	287,868
2013-08-19	$11.93	$11.25	47.5%	13.6%	31.4%	18.5%	50.1%	3.1%	-1.4%	5.8M	-315.6M	-1.2M	1.59	10.95	N/A	N/A	10,140	16,108	495,692	223,888
2013-08-20	$12.06	$11.25	46.8%	13.4%	30.7%	18.8%	47.5%	3.4%	-1.6%	6.0M	-331.8M	-1.2M	1.53	10.51	N/A	N/A	7,564	11,604	503,536	237,964
2013-08-21	$11.90	$11.25	45.9%	13.2%	31.0%	18.0%	47.6%	3.5%	-0.2%	5.6M	-313.9M	-1.2M	2.36	11.18	N/A	N/A	24,692	58,276	508,264	246,688
2013-08-22	$12.98	$11.25	40.8%	11.7%	41.9%	13.1%	40.7%	2.7%	1.9%	7.5M	-454.3M	-1.1M	1.50	9.31	N/A	N/A	57,696	86,416	519,724	277,776
2013-08-23	$12.90	$11.25	38.9%	11.1%	41.2%	11.2%	40.6%	2.5%	1.9%	-4.0M	-347.4M	-1.0M	1.31	7.18	N/A	N/A	20,848	27,296	461,948	312,820
2013-08-26	$13.10	$11.25	38.6%	11.1%	40.9%	11.0%	39.2%	1.5%	2.5%	5.0M	-368.5M	-978.3K	0.37	7.91	N/A	N/A	25,392	9,484	440,792	262,408
2013-08-27	$12.34	$11.25	39.9%	11.4%	46.0%	12.3%	40.8%	0.6%	2.0%	4.3M	-280.1M	-1.0M	1.49	6.65	N/A	N/A	8,400	12,496	444,444	264,808
2013-08-28	$12.47	$11.25	38.4%	11.0%	43.3%	10.8%	47.6%	0.8%	2.6%	4.2M	-293.1M	-1.0M	0.06	11.26	N/A	N/A	202,724	11,140	446,536	268,104
2013-08-29	$12.66	$11.50	37.2%	10.7%	43.2%	9.7%	37.4%	1.3%	2.8%	4.4M	-228.6M	-992.9K	2.04	9.81	N/A	N/A	4,048	8,248	370,176	273,012
2013-08-30	$12.55	$11.75	35.9%	10.9%	43.2%	8.3%	38.4%	1.5%	2.8%	3.4M	-211.1M	-993.8K	2.93	10.78	N/A	N/A	6,348	18,620	371,108	276,528