GOOG Options History — August 2016

In August 2016, GOOG traded between $38.40 and $39.31. ATM implied volatility averaged 14.0%, placing in the 2.8% IV rank vs the trailing year. The 30-day expected move averaged 3.9%. IV traded above realized volatility by 1.1% (HV 20d: 12.9%). Max pain ranged from $36.25 to $38.00. Net GEX was positive for 15 of 23 trading days. Term structure was in contango for 21 of 23 days. Put/call ratio averaged 1.11.

Notable Days

2016-08-05: Highest Volume — 804,400 contracts
2016-08-22: Largest IV spike — 9.5% change
2016-08-30: Highest IV Rank — 6.5%
2016-08-04: Largest Expected Move — 4.5%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$38.79	$38.40	$39.31	$38.69	$38.40
Max Pain	$37.59	$36.25	$38.00	$36.75	$38.00
ATM IV	14.0%	12.4%	15.6%	14.8%	14.0%
Expected Move	3.9%	3.5%	4.5%	4.1%	3.7%
HV 20d	12.9%	7.1%	15.7%	15.7%	7.1%
HV 60d	16.8%	15.8%	17.9%	17.9%	15.8%
IV Rank	2.8%	0.0%	6.5%	1.0%	5.6%
IV Percentile	1.7%	0.0%	6.0%	0.4%	5.6%
Term Structure	0.4%	-0.2%	1.5%	-0.1%	0.3%
VWIV	14.3%	12.2%	17.4%	15.1%	13.4%
Skew 25d	2.4%	1.2%	3.3%	2.1%	2.6%
Skew 10d	4.8%	4.0%	6.1%	5.5%	5.3%
Call IV 25d	13.0%	11.1%	14.7%	14.3%	12.8%
Put IV 25d	15.4%	13.4%	17.1%	16.4%	15.4%
Bid-Ask Spread %	64.30	54.29	77.63	57.27	75.34
Gamma HHI	0.10	0.05	0.55	0.05	0.07
Net GEX	55.5M	-444.0M	376.3M	140.6M	-45.8M
Net DEX	-1.96B	-3.80B	-857.4M	-3.03B	-858.6M
Net VEX	-17.9M	-18.5M	-17.5M	-17.5M	-17.5M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.11	0.70	2.12	1.06	1.08
Total Volume	446,014.783	209,720	804,400	571,360	286,280
Total OI	3,971,103.478	3,478,560	4,323,780	3,910,700	3,794,520

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 Vol	Put Vol	Call OI	Put OI
2016-08-01	$38.69	$36.75	14.8%	4.1%	15.7%	1.0%	15.1%	2.1%	-0.1%	140.6M	-3.03B	-17.5M	1.06	57.27	277,580	293,780	2,015,300	1,895,400
2016-08-02	$38.55	$36.75	15.5%	4.3%	15.1%	3.6%	15.1%	2.3%	0.0%	112.3M	-2.80B	-17.9M	0.94	60.83	278,540	262,140	2,067,420	1,989,060
2016-08-03	$38.62	$36.75	15.6%	4.3%	15.2%	4.0%	15.2%	2.4%	0.0%	142.1M	-2.89B	-18.1M	0.99	54.29	187,320	185,880	2,150,940	2,040,000
2016-08-04	$38.56	$36.25	15.0%	4.5%	14.9%	1.5%	16.1%	2.1%	0.1%	132.8M	-2.87B	-17.8M	0.87	55.15	219,020	191,240	2,177,260	2,069,780
2016-08-05	$39.11	$36.25	14.9%	4.4%	14.8%	1.3%	16.6%	1.9%	0.1%	376.3M	-3.80B	-17.7M	0.73	57.73	463,820	340,580	2,214,280	2,109,500
2016-08-08	$39.06	$36.25	14.5%	4.3%	14.5%	0.0%	17.4%	2.3%	0.5%	154.2M	-2.50B	-18.0M	2.12	58.37	222,460	471,540	1,871,260	1,945,100
2016-08-09	$39.22	$37.50	13.9%	4.1%	14.5%	0.0%	15.7%	2.2%	0.6%	164.0M	-2.55B	-18.4M	1.43	57.21	231,960	330,880	1,901,040	2,055,240
2016-08-10	$39.22	$38.00	13.9%	4.1%	14.2%	0.3%	15.2%	2.6%	0.2%	121.3M	-2.42B	-18.5M	1.31	60.35	184,920	241,960	1,933,120	2,158,120
2016-08-11	$39.31	$38.00	12.8%	4.0%	14.2%	0.0%	14.5%	3.2%	1.5%	158.9M	-2.54B	-18.4M	1.26	62.77	200,720	252,720	1,954,220	2,193,400
2016-08-12	$39.15	$38.00	13.2%	3.8%	14.4%	1.4%	13.8%	1.2%	-0.2%	57.2M	-2.29B	-18.4M	0.97	62.61	248,320	241,040	1,983,160	2,246,560
2016-08-15	$39.13	$38.00	13.5%	3.9%	13.1%	2.5%	14.4%	2.3%	0.5%	92.6M	-2.22B	-18.2M	1.26	65.65	157,760	198,820	1,902,180	2,115,060
2016-08-16	$38.88	$38.00	13.8%	4.0%	13.5%	3.5%	14.5%	2.3%	0.8%	14.7M	-1.89B	-18.0M	0.99	64.22	188,740	187,080	1,936,280	2,167,780
2016-08-17	$39.00	$38.00	13.6%	3.9%	13.3%	3.0%	14.3%	2.4%	0.9%	58.8M	-2.01B	-18.1M	1.00	67.50	104,620	105,100	1,986,140	2,186,380
2016-08-18	$38.88	$38.00	13.4%	3.8%	13.3%	2.1%	13.8%	2.2%	0.7%	-11.4M	-1.90B	-17.8M	0.70	68.14	154,820	108,380	2,002,560	2,217,560
2016-08-19	$38.76	$38.00	12.4%	3.5%	13.4%	0.0%	12.2%	2.3%	0.9%	-444.0M	-1.70B	-17.5M	0.84	69.25	320,040	268,260	2,025,360	2,252,780
2016-08-22	$38.55	$38.00	13.6%	3.7%	13.5%	4.2%	13.5%	3.3%	0.4%	-1.5M	-1.03B	-17.5M	1.09	68.57	188,180	205,800	1,631,820	1,846,740
2016-08-23	$38.59	$38.00	13.5%	3.6%	13.4%	3.8%	13.1%	2.3%	0.5%	27.7M	-1.13B	-17.6M	1.27	58.68	138,400	176,000	1,716,600	1,916,240
2016-08-24	$38.48	$38.00	14.0%	3.8%	13.5%	5.7%	13.4%	2.7%	0.3%	-7.4M	-933.4M	-17.7M	1.21	73.07	148,540	179,100	1,744,620	1,944,080
2016-08-25	$38.46	$38.00	14.0%	3.8%	13.4%	5.5%	13.1%	2.7%	0.4%	-5.4M	-903.2M	-17.9M	0.99	57.65	251,680	248,400	1,782,580	1,976,520
2016-08-26	$38.50	$38.00	13.7%	3.6%	7.1%	4.4%	13.2%	3.1%	0.3%	88.6M	-960.1M	-18.0M	1.08	72.51	301,980	326,160	1,830,380	2,030,240
2016-08-29	$38.61	$38.00	13.6%	3.6%	7.1%	4.3%	12.7%	2.2%	0.4%	-5.8M	-1.09B	-17.5M	1.25	74.13	159,180	199,640	1,675,060	1,959,220
2016-08-30	$38.44	$38.00	14.2%	3.8%	7.1%	6.5%	13.2%	2.5%	0.3%	-45.6M	-857.4M	-17.6M	1.10	77.63	156,400	172,560	1,716,020	2,008,500
2016-08-31	$38.40	$38.00	14.0%	3.7%	7.1%	5.6%	13.4%	2.6%	0.3%	-45.8M	-858.6M	-17.5M	1.08	75.34	137,740	148,540	1,764,980	2,029,540