GME Options History — August 2018

In August 2018, GME traded between $3.30 and $4.25. ATM implied volatility averaged 56.6%, placing in the 34.0% IV rank vs the trailing year. The 30-day expected move averaged 16.2%. IV traded above realized volatility by 23.0% (HV 20d: 33.6%). Max pain ranged from $3.75 to $4.00. Net GEX was positive for 10 of 23 trading days. Term structure was in contango for 7 of 23 days. Put/call ratio averaged 1.17.

Notable Days

2018-08-22: Highest Volume — 138,008 contracts
2018-08-10: Largest IV spike — 56.1% change
2018-08-10: Highest IV Rank — 52.1%
2018-08-31: Largest Expected Move — 21.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$3.79	$3.30	$4.25	$3.67	$3.30
Max Pain	$3.95	$3.75	$4.00	$4.00	$4.00
ATM IV	56.6%	46.1%	71.9%	52.9%	63.2%
Expected Move	16.2%	11.1%	21.6%	12.0%	21.6%
HV 20d	33.6%	20.9%	58.2%	37.5%	58.2%
HV 60d	45.7%	41.8%	50.9%	47.1%	50.9%
IV Rank	34.0%	21.5%	52.1%	29.6%	41.9%
IV Percentile	83.9%	52.8%	97.6%	79.8%	94.8%
Term Structure	-2.1%	-21.4%	8.9%	1.8%	-4.2%
VWIV	56.6%	39.4%	75.3%	43.1%	75.3%
Skew 25d	6.6%	-7.9%	16.9%	5.3%	5.4%
Skew 10d	9.7%	-73.7%	37.4%	12.9%	13.0%
Call IV 25d	54.2%	46.9%	64.6%	49.9%	63.2%
Put IV 25d	60.8%	50.9%	70.5%	55.2%	68.6%
Bid-Ask Spread %	21.71	7.51	37.66	32.85	19.67
Gamma HHI	0.13	0.11	0.18	0.12	0.14
Net GEX	60.6K	-345.7K	947.3K	-22.6K	-193.9K
Net DEX	11.7M	-42.4M	57.6M	20.5M	57.6M
Net VEX	-358.2K	-418.2K	-311.4K	-342.7K	-311.4K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.17	0.27	2.47	1.70	0.71
Total Volume	64,859.13	32,672	138,008	32,976	55,024
Total OI	757,366.609	673,396	911,032	673,396	911,032

Daily Data (23 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
2018-08-01	$3.67	$4.00	52.9%	12.0%	37.5%	29.6%	43.1%	5.3%	1.8%	-22.6K	20.5M	-342.7K	1.70	32.85	N/A	N/A	12,220	20,756	289,792	383,604
2018-08-02	$3.67	$4.00	53.9%	11.9%	34.9%	30.8%	41.5%	3.7%	-2.1%	14.7K	22.8M	-353.8K	1.81	7.51	N/A	N/A	11,644	21,028	294,316	387,332
2018-08-03	$3.70	$4.00	52.1%	11.1%	32.5%	28.7%	39.4%	8.0%	-2.2%	-345.7K	18.8M	-341.6K	1.78	9.41	N/A	N/A	19,124	33,948	295,616	388,952
2018-08-06	$3.71	$3.75	50.8%	14.6%	31.4%	27.2%	51.8%	3.7%	-3.7%	-318.5K	21.4M	-341.4K	1.12	16.97	N/A	N/A	25,128	28,056	285,388	391,380
2018-08-07	$3.79	$3.75	53.2%	14.7%	29.0%	30.0%	49.9%	15.0%	-4.9%	-83.5K	12.1M	-350.7K	1.04	19.41	N/A	N/A	23,216	24,236	297,896	394,580
2018-08-08	$3.81	$3.75	53.2%	14.7%	28.7%	30.0%	50.4%	2.8%	-1.1%	157.4K	8.6M	-353.3K	1.63	19.49	N/A	N/A	13,780	22,500	306,728	396,468
2018-08-09	$3.80	$3.75	46.1%	15.1%	27.2%	21.5%	50.9%	-7.9%	7.6%	177.0K	8.6M	-351.0K	1.57	18.06	N/A	N/A	16,232	25,548	308,404	399,664
2018-08-10	$3.84	$3.75	71.9%	15.5%	27.0%	52.1%	52.4%	13.5%	-21.4%	-251.8K	7.4M	-361.0K	2.47	30.56	N/A	N/A	21,076	52,128	311,184	406,868
2018-08-13	$3.80	$4.00	52.4%	15.1%	27.2%	29.0%	51.4%	2.2%	-2.0%	-291.3K	15.5M	-355.8K	0.99	23.19	N/A	N/A	24,728	24,556	305,956	413,584
2018-08-14	$3.88	$4.00	51.0%	15.0%	22.2%	27.4%	50.9%	11.6%	2.5%	-185.3K	7.1M	-339.1K	0.93	19.74	N/A	N/A	27,304	25,488	313,016	415,016
2018-08-15	$3.86	$4.00	51.9%	15.6%	22.3%	28.5%	52.8%	10.7%	4.6%	-178.2K	9.3M	-358.2K	0.59	21.85	N/A	N/A	39,480	23,424	321,296	418,216
2018-08-16	$3.81	$4.00	52.7%	15.0%	21.4%	29.4%	51.2%	16.9%	-4.7%	68.7K	12.8M	-363.9K	0.83	18.82	N/A	N/A	32,336	26,956	340,880	420,736
2018-08-17	$3.82	$4.00	54.5%	15.7%	20.9%	31.5%	53.8%	8.3%	3.5%	106.1K	12.1M	-356.6K	1.80	17.83	N/A	N/A	20,200	36,388	353,192	425,692
2018-08-20	$3.98	$4.00	54.7%	15.7%	24.0%	31.7%	53.5%	6.3%	-7.7%	523.2K	-6.7M	-349.9K	1.98	24.89	N/A	N/A	40,640	80,632	314,568	384,064
2018-08-21	$4.13	$4.00	54.3%	15.5%	26.4%	31.3%	61.9%	8.0%	-0.7%	947.3K	-22.7M	-380.7K	0.27	30.45	N/A	N/A	68,436	18,636	336,116	394,412
2018-08-22	$4.25	$4.00	56.1%	16.1%	25.9%	33.5%	57.9%	7.0%	-10.0%	802.5K	-42.4M	-395.1K	1.55	25.36	N/A	N/A	54,100	83,908	357,840	398,440
2018-08-23	$4.18	$4.00	57.4%	16.6%	26.6%	34.9%	60.8%	7.0%	-4.6%	868.3K	-29.2M	-411.0K	1.13	23.47	N/A	N/A	34,300	38,696	373,788	421,384
2018-08-24	$4.17	$4.00	61.5%	18.4%	26.6%	39.8%	64.2%	8.1%	8.9%	281.2K	-29.1M	-418.2K	0.54	33.82	N/A	N/A	64,228	34,856	384,836	426,964
2018-08-27	$3.67	$4.00	64.5%	20.0%	54.0%	43.4%	70.2%	3.8%	-4.3%	-210.3K	29.6M	-379.5K	0.82	18.29	N/A	N/A	56,616	46,672	383,968	433,848
2018-08-28	$3.52	$4.00	62.1%	21.3%	56.0%	40.5%	70.9%	0.4%	3.3%	-76.6K	41.9M	-347.2K	0.55	37.66	N/A	N/A	44,384	24,556	414,464	446,744
2018-08-29	$3.54	$4.00	66.2%	21.3%	55.8%	45.4%	72.8%	6.3%	-5.2%	-102.0K	40.3M	-354.0K	0.64	15.00	N/A	N/A	27,620	17,572	428,564	453,116
2018-08-30	$3.38	$4.00	65.5%	21.1%	58.0%	44.5%	74.2%	5.5%	-0.8%	-292.0K	53.7M	-322.2K	0.49	15.09	N/A	N/A	33,156	16,248	433,812	455,716
2018-08-31	$3.30	$4.00	63.2%	21.6%	58.2%	41.9%	75.3%	5.4%	-4.2%	-193.9K	57.6M	-311.4K	0.71	19.67	N/A	N/A	32,168	22,856	452,396	458,636