GME Options History — April 2013

In April 2013, GME traded between $7.44 and $8.72. ATM implied volatility averaged 41.0%, placing in the 11.5% IV rank vs the trailing year. The 30-day expected move averaged 12.1%. IV traded above realized volatility by 5.3% (HV 20d: 35.6%). Max pain ranged from $6.25 to $7.25. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 15 of 22 days. Put/call ratio averaged 0.81.

Notable Days

2013-04-01: Highest Volume — 156,392 contracts
2013-04-11: Largest IV spike — 23.8% change
2013-04-15: Highest IV Rank — 14.6%
2013-04-15: Largest Expected Move — 12.8%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$8.00	$7.44	$8.72	$7.44	$8.72
Max Pain	$7.00	$6.25	$7.25	$6.25	$7.25
ATM IV	41.0%	35.0%	44.7%	41.7%	40.2%
Expected Move	12.1%	10.6%	12.8%	12.0%	11.5%
HV 20d	35.6%	27.9%	40.0%	35.4%	27.9%
HV 60d	37.0%	35.1%	39.9%	39.9%	35.2%
IV Rank	11.5%	6.5%	14.6%	12.1%	10.8%
IV Percentile	46.8%	9.9%	66.7%	53.6%	37.3%
Term Structure	0.3%	-4.3%	4.5%	1.5%	3.4%
VWIV	43.1%	38.1%	45.9%	42.7%	41.0%
Skew 25d	1.3%	-1.0%	3.1%	-1.0%	1.2%
Skew 10d	3.1%	-2.1%	6.8%	-2.1%	2.4%
Call IV 25d	42.8%	38.3%	45.5%	43.1%	40.6%
Put IV 25d	44.0%	38.2%	46.7%	42.1%	41.7%
Bid-Ask Spread %	10.31	6.27	13.55	11.12	9.62
Gamma HHI	0.13	0.08	0.21	0.21	0.10
Net GEX	3.9M	2.5M	4.9M	4.3M	4.9M
Net DEX	-214.5M	-266.4M	-156.5M	-187.9M	-238.0M
Net VEX	-743.9K	-870.4K	-595.5K	-595.5K	-840.6K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.81	0.07	2.85	1.03	1.08
Total Volume	48,524.545	7,204	156,392	156,392	18,384
Total OI	809,615.455	568,188	953,888	792,332	728,700

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
2013-04-01	$7.44	$6.25	41.7%	12.0%	35.4%	12.1%	42.7%	-1.0%	1.5%	4.3M	-187.9M	-595.5K	1.03	11.12	N/A	N/A	77,188	79,204	407,176	385,156
2013-04-02	$7.56	$6.25	36.9%	10.6%	33.4%	8.1%	38.1%	-0.1%	4.5%	3.6M	-186.5M	-607.5K	0.31	12.53	N/A	N/A	71,656	22,416	394,580	389,508
2013-04-03	$7.56	$6.50	38.0%	10.9%	32.8%	9.0%	41.9%	0.9%	3.9%	3.9M	-193.3M	-698.6K	1.23	10.28	N/A	N/A	15,576	19,192	441,740	391,156
2013-04-04	$7.47	$6.50	38.3%	11.0%	33.7%	9.3%	39.6%	0.9%	4.5%	3.9M	-183.0M	-722.7K	1.25	11.62	N/A	N/A	19,328	24,164	450,492	397,960
2013-04-05	$7.49	$7.00	37.0%	12.3%	33.8%	8.2%	43.3%	2.6%	-4.1%	4.0M	-185.7M	-741.2K	1.19	8.18	N/A	N/A	8,468	10,044	460,784	412,780
2013-04-08	$7.57	$7.00	37.8%	12.2%	33.8%	8.9%	42.6%	2.9%	-4.1%	3.7M	-189.1M	-735.6K	1.27	7.91	N/A	N/A	5,100	6,464	465,652	410,276
2013-04-09	$7.47	$7.00	35.8%	12.0%	34.3%	7.2%	44.1%	3.0%	-4.0%	3.7M	-175.9M	-733.7K	2.14	6.27	N/A	N/A	2,292	4,912	466,624	411,656
2013-04-10	$7.48	$7.00	35.0%	12.0%	34.4%	6.5%	41.8%	3.1%	-3.5%	4.2M	-185.9M	-709.2K	0.42	11.32	N/A	N/A	18,888	7,900	465,040	411,928
2013-04-11	$7.92	$7.00	43.3%	12.4%	38.6%	13.4%	44.1%	0.9%	-4.3%	3.8M	-242.3M	-692.2K	0.42	10.85	N/A	N/A	38,128	15,920	462,712	416,004
2013-04-12	$8.01	$7.00	44.2%	12.7%	37.9%	14.2%	44.4%	1.4%	-2.4%	4.2M	-255.7M	-722.6K	0.22	7.60	N/A	N/A	47,372	10,416	487,480	414,368
2013-04-15	$7.84	$7.00	44.7%	12.8%	39.4%	14.6%	45.2%	1.1%	-0.4%	4.2M	-233.7M	-734.0K	1.74	8.32	N/A	N/A	11,904	20,768	492,476	416,016
2013-04-16	$8.07	$7.00	43.7%	12.5%	40.0%	13.8%	45.0%	1.6%	0.5%	4.0M	-261.7M	-732.4K	2.85	8.95	N/A	N/A	9,636	27,436	497,524	430,564
2013-04-17	$8.19	$7.25	43.6%	12.5%	38.3%	13.7%	44.8%	1.4%	0.8%	3.9M	-264.7M	-755.3K	0.24	13.49	N/A	N/A	20,220	4,880	493,380	454,048
2013-04-18	$8.17	$7.25	43.9%	12.6%	38.7%	13.9%	44.7%	1.1%	0.7%	4.4M	-266.4M	-762.6K	0.41	13.55	N/A	N/A	16,332	6,616	502,296	451,592
2013-04-19	$8.18	$7.25	44.0%	12.6%	38.2%	14.0%	44.7%	0.5%	2.0%	3.7M	-263.8M	-757.1K	0.19	9.13	N/A	N/A	36,512	6,912	495,644	455,700
2013-04-22	$8.13	$7.25	42.7%	12.2%	38.7%	12.9%	43.5%	0.5%	1.8%	2.5M	-156.5M	-766.4K	0.17	13.01	N/A	N/A	25,612	4,332	367,372	200,816
2013-04-23	$8.30	$7.25	42.2%	12.1%	37.9%	12.5%	43.6%	1.4%	1.7%	2.7M	-177.8M	-753.0K	0.08	13.45	N/A	N/A	140,524	10,600	377,184	202,572
2013-04-24	$8.56	$7.25	42.1%	12.1%	37.4%	12.4%	42.6%	0.9%	1.8%	3.6M	-223.4M	-870.4K	0.33	8.40	N/A	N/A	42,572	14,076	462,872	207,020
2013-04-25	$8.56	$7.25	42.6%	12.2%	37.5%	12.9%	45.9%	1.1%	1.5%	3.4M	-213.0M	-830.8K	0.33	13.44	N/A	N/A	17,316	5,712	448,664	218,488
2013-04-26	$8.65	$7.25	41.4%	11.9%	33.9%	11.9%	41.8%	1.0%	1.1%	3.3M	-210.7M	-763.1K	0.07	9.22	N/A	N/A	87,664	6,412	425,660	221,332
2013-04-29	$8.64	$7.25	42.5%	12.2%	28.1%	12.8%	43.5%	1.7%	0.8%	4.8M	-224.7M	-841.2K	0.82	8.61	N/A	N/A	15,612	12,880	494,772	223,776
2013-04-30	$8.72	$7.25	40.2%	11.5%	27.9%	10.8%	41.0%	1.2%	3.4%	4.9M	-238.0M	-840.6K	1.08	9.62	N/A	N/A	8,848	9,536	500,172	228,528