GME Options History — December 2015

In December 2015, GME traded between $7.03 and $8.68. ATM implied volatility averaged 51.2%, placing in the 62.5% IV rank vs the trailing year. The 30-day expected move averaged 16.4%. IV traded above realized volatility by 1.0% (HV 20d: 50.2%). Max pain ranged from $10.00 to $11.00. Net GEX was positive for 0 of 22 trading days. Term structure was in contango for 5 of 22 days. Put/call ratio averaged 1.45.

Notable Days

2015-12-10: Highest Volume — 102,580 contracts
2015-12-11: Largest IV spike — 15.0% change
2015-12-14: Highest IV Rank — 91.0%
2015-12-14: Largest Expected Move — 18.7%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$7.64	$7.03	$8.68	$8.68	$7.03
Max Pain	$10.51	$10.00	$11.00	$10.13	$10.00
ATM IV	51.2%	38.3%	62.7%	41.0%	52.3%
Expected Move	16.4%	12.1%	18.7%	12.1%	18.4%
HV 20d	50.2%	35.0%	70.9%	68.5%	35.1%
HV 60d	47.5%	45.6%	48.7%	45.6%	47.4%
IV Rank	62.5%	30.8%	91.0%	37.5%	65.4%
IV Percentile	80.6%	39.3%	98.0%	56.0%	86.9%
Term Structure	0.9%	-3.6%	13.3%	-0.9%	-1.8%
VWIV	57.4%	44.5%	65.4%	44.5%	64.4%
Skew 25d	4.6%	0.6%	7.2%	5.7%	6.2%
Skew 10d	9.9%	-1.9%	15.2%	6.0%	15.2%
Call IV 25d	49.9%	39.9%	62.9%	41.5%	50.1%
Put IV 25d	54.6%	40.6%	68.7%	47.2%	56.4%
Bid-Ask Spread %	24.46	10.28	57.83	49.11	23.13
Gamma HHI	0.13	0.11	0.21	0.14	0.13
Net GEX	-2.0M	-2.6M	-1.7M	-2.1M	-1.7M
Net DEX	160.3M	133.5M	196.5M	133.5M	163.6M
Net VEX	-329.7K	-408.1K	-279.1K	-408.1K	-316.2K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.45	0.80	4.33	0.82	1.09
Total Volume	54,493.091	8,524	102,580	18,724	43,360
Total OI	593,692.182	553,680	662,956	564,048	613,668

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
2015-12-01	$8.68	$10.13	41.0%	12.1%	68.5%	37.5%	44.5%	5.7%	-0.9%	-2.1M	133.5M	-408.1K	0.82	49.11	N/A	N/A	10,260	8,464	273,504	290,544
2015-12-02	$8.47	$10.00	41.0%	12.2%	68.1%	37.5%	45.4%	2.9%	-0.5%	-2.2M	142.7M	-386.4K	1.16	57.83	N/A	N/A	20,920	24,356	280,056	294,764
2015-12-03	$8.18	$11.00	41.9%	14.5%	67.9%	39.6%	50.7%	0.6%	-0.2%	-2.3M	158.5M	-338.0K	1.20	23.45	N/A	N/A	28,340	34,036	283,292	298,928
2015-12-04	$8.32	$11.00	38.3%	14.0%	68.6%	30.8%	48.6%	0.7%	-1.1%	-2.0M	155.0M	-343.1K	0.80	19.12	N/A	N/A	29,260	23,444	290,224	300,724
2015-12-07	$8.27	$11.00	40.4%	14.4%	68.6%	35.9%	51.3%	2.6%	9.7%	-1.9M	149.8M	-333.1K	1.00	17.17	N/A	N/A	4,256	4,268	262,688	290,992
2015-12-08	$8.43	$11.00	41.4%	14.9%	69.6%	38.3%	52.1%	2.4%	10.5%	-1.8M	140.5M	-359.2K	0.97	17.03	N/A	N/A	27,676	26,888	265,728	293,360
2015-12-09	$8.11	$10.75	44.5%	16.1%	69.5%	46.0%	56.2%	7.2%	11.9%	-1.7M	148.3M	-337.7K	0.89	16.20	N/A	N/A	33,852	29,964	272,464	293,968
2015-12-10	$8.00	$10.75	47.5%	16.3%	69.1%	53.6%	57.1%	4.2%	11.2%	-1.8M	154.6M	-335.1K	2.14	16.72	N/A	N/A	32,720	69,860	285,072	305,772
2015-12-11	$7.50	$10.75	54.6%	18.0%	70.9%	71.1%	62.9%	4.5%	13.3%	-1.8M	169.3M	-318.8K	1.66	16.11	N/A	N/A	27,688	46,092	293,952	329,732
2015-12-14	$7.55	$10.75	62.7%	18.7%	40.1%	91.0%	63.9%	5.7%	-3.6%	-1.8M	168.3M	-323.8K	1.14	10.28	N/A	N/A	26,524	30,240	263,716	335,932
2015-12-15	$7.64	$10.50	60.8%	17.9%	39.2%	86.4%	62.5%	5.7%	-3.0%	-1.9M	166.8M	-329.7K	1.38	10.41	N/A	N/A	21,100	29,168	267,060	338,404
2015-12-16	$7.63	$10.50	60.9%	17.4%	39.2%	86.4%	60.7%	4.8%	-3.0%	-2.0M	167.8M	-326.2K	1.48	17.36	N/A	N/A	18,288	27,060	269,988	341,024
2015-12-17	$7.27	$10.50	59.8%	17.3%	40.3%	83.7%	57.8%	6.1%	-2.9%	-2.0M	180.4M	-279.1K	4.33	11.21	N/A	N/A	17,448	75,568	271,552	346,608
2015-12-18	$7.16	$10.50	58.4%	17.1%	38.8%	80.4%	59.9%	5.7%	-3.1%	-2.2M	196.5M	-312.4K	3.16	10.32	N/A	N/A	20,936	66,092	273,840	389,116
2015-12-21	$7.18	$10.50	56.9%	17.1%	37.2%	76.6%	61.1%	5.3%	-2.9%	-2.4M	160.8M	-314.5K	1.06	13.20	N/A	N/A	26,136	27,820	225,008	349,172
2015-12-22	$7.14	$10.25	54.7%	16.7%	35.9%	71.2%	58.3%	4.6%	-2.5%	-2.3M	162.4M	-311.2K	1.61	31.37	N/A	N/A	20,592	33,128	235,868	351,696
2015-12-23	$7.19	$10.25	53.4%	16.4%	35.8%	68.0%	57.3%	5.3%	-3.1%	-2.6M	161.9M	-321.5K	1.42	32.56	N/A	N/A	21,936	31,100	240,628	359,008
2015-12-24	$7.09	$10.25	54.0%	16.8%	35.0%	69.6%	58.9%	4.9%	-3.3%	-1.9M	165.3M	-319.2K	1.34	45.77	N/A	N/A	18,860	25,360	246,912	365,736
2015-12-28	$7.12	$10.25	54.3%	18.0%	35.4%	70.3%	63.2%	4.8%	-1.7%	-1.9M	160.5M	-307.6K	1.03	40.82	N/A	N/A	18,724	19,344	220,952	360,640
2015-12-29	$7.09	$10.25	53.6%	18.3%	35.0%	68.6%	60.6%	5.9%	-2.2%	-1.9M	160.6M	-313.4K	1.31	33.10	N/A	N/A	21,080	27,580	227,024	365,904
2015-12-30	$7.13	$10.25	53.1%	18.6%	35.5%	67.3%	65.4%	5.5%	-1.9%	-2.0M	160.3M	-318.5K	0.94	25.80	N/A	N/A	25,340	23,720	223,584	372,424
2015-12-31	$7.03	$10.00	52.3%	18.4%	35.1%	65.4%	64.4%	6.2%	-1.8%	-1.7M	163.6M	-316.2K	1.09	23.13	N/A	N/A	20,792	22,568	233,168	380,500