GOOG Options History — May 2012

In May 2012, GOOG traded between $14.51 and $15.71. ATM implied volatility averaged 25.5%, placing in the 13.2% IV rank vs the trailing year. The 30-day expected move averaged 7.1%. IV traded above realized volatility by 1.5% (HV 20d: 24.0%). Max pain ranged from $15.11 to $15.36. Net GEX was positive for 16 of 22 trading days. Term structure was in contango for 22 of 22 days. Put/call ratio averaged 0.81.

Notable Days

2012-05-18: Highest Volume — 7,027,260 contracts
2012-05-21: Largest IV drop — 16.2% change
2012-05-30: Highest IV Rank — 19.6%
2012-05-18: Largest Expected Move — 8.7%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$15.12	$14.51	$15.71	$15.10	$14.51
Max Pain	$15.24	$15.11	$15.36	$15.36	$15.11
ATM IV	25.5%	20.7%	31.3%	22.3%	29.0%
Expected Move	7.1%	5.7%	8.7%	5.7%	8.2%
HV 20d	24.0%	16.8%	27.2%	23.8%	27.1%
HV 60d	20.3%	18.1%	22.7%	18.6%	22.6%
IV Rank	13.2%	7.4%	19.6%	9.3%	16.9%
IV Percentile	46.9%	24.6%	72.2%	36.1%	60.3%
Term Structure	3.2%	0.5%	5.9%	0.5%	5.4%
VWIV	25.1%	20.4%	29.7%	20.4%	28.4%
Skew 25d	3.4%	1.7%	5.8%	1.9%	4.8%
Skew 10d	6.6%	2.9%	12.4%	4.2%	8.9%
Call IV 25d	23.7%	19.6%	27.9%	19.6%	26.3%
Put IV 25d	27.1%	21.5%	33.8%	21.5%	31.1%
Bid-Ask Spread %	18.62	9.05	40.97	11.20	14.32
Gamma HHI	0.06	0.03	0.37	0.04	0.05
Net GEX	61.5M	-237.9M	324.6M	38.1M	-99.0M
Net DEX	-551.2M	-3.25B	1.08B	-191.5M	1.08B
Net VEX	-27.3M	-29.3M	-26.0M	-26.6M	-26.2M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.81	0.57	1.12	0.68	0.64
Total Volume	3,072,039.091	1,346,140	7,027,260	1,346,140	2,852,140
Total OI	16,187,321.818	12,734,640	19,400,500	16,155,500	15,440,600

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 Vol	Put Vol	Call OI	Put OI
2012-05-01	$15.10	$15.36	22.3%	5.7%	23.8%	9.3%	20.4%	1.9%	0.5%	38.1M	-191.5M	-26.6M	0.68	11.20	799,080	547,060	9,616,400	6,539,100
2012-05-02	$15.17	$15.36	21.9%	5.9%	23.9%	8.8%	20.5%	1.8%	0.5%	68.2M	-432.6M	-26.6M	0.64	9.05	927,880	591,320	9,629,340	6,656,400
2012-05-03	$15.26	$15.36	20.7%	5.8%	23.8%	7.4%	21.0%	1.7%	0.7%	128.4M	-905.4M	-27.0M	0.76	10.38	1,002,520	761,160	9,701,980	6,726,360
2012-05-04	$14.91	$15.23	22.6%	6.5%	25.0%	9.7%	23.2%	2.3%	2.4%	-2.0M	545.1M	-26.0M	0.76	10.98	1,650,360	1,255,140	9,834,700	6,791,980
2012-05-07	$15.17	$15.23	25.1%	6.5%	26.1%	12.7%	23.0%	2.3%	2.4%	103.8M	-754.7M	-27.8M	0.80	37.30	1,174,340	936,740	9,921,840	6,615,880
2012-05-08	$15.30	$15.23	25.1%	6.6%	26.3%	12.8%	23.1%	2.1%	2.4%	151.2M	-1.32B	-28.0M	0.66	39.00	1,990,460	1,323,320	10,144,140	6,780,940
2012-05-09	$15.21	$15.23	23.2%	6.7%	25.6%	10.5%	23.7%	2.1%	2.4%	130.7M	-994.8M	-28.4M	0.79	40.97	1,368,840	1,081,520	10,350,940	6,890,000
2012-05-10	$15.33	$15.23	22.6%	6.5%	24.1%	9.7%	23.0%	2.5%	3.2%	184.0M	-1.41B	-27.7M	0.87	27.50	1,052,060	914,000	10,387,780	6,966,000
2012-05-11	$15.12	$15.23	22.3%	6.4%	19.9%	9.3%	23.4%	2.4%	3.4%	-16.7M	-311.1M	-26.8M	1.00	15.57	1,414,900	1,411,460	10,445,160	7,084,840
2012-05-14	$15.08	$15.23	24.2%	6.9%	16.8%	11.7%	24.7%	3.0%	2.4%	39.4M	-271.4M	-26.7M	0.84	22.74	1,114,440	931,620	10,079,140	6,926,720
2012-05-15	$15.26	$15.23	24.1%	6.9%	17.2%	11.6%	24.5%	2.5%	2.8%	115.4M	-1.07B	-27.4M	0.71	17.59	1,554,440	1,105,460	10,238,860	7,076,060
2012-05-16	$15.71	$15.23	25.7%	7.4%	19.9%	13.5%	26.3%	2.1%	2.1%	324.6M	-3.25B	-28.8M	0.68	9.13	3,852,520	2,608,280	10,490,640	7,150,900
2012-05-17	$15.56	$15.23	27.5%	7.9%	19.5%	15.7%	27.6%	4.1%	1.8%	255.0M	-2.08B	-29.3M	0.57	23.12	3,501,660	1,981,220	11,206,480	7,721,000
2012-05-18	$15.00	$15.23	30.2%	8.7%	23.9%	19.1%	29.7%	5.8%	0.6%	-237.9M	981.3M	-27.7M	0.85	16.79	3,797,240	3,230,020	11,519,740	7,880,760
2012-05-21	$15.34	$15.23	25.3%	7.3%	25.1%	13.1%	26.1%	4.8%	5.4%	80.9M	-1.18B	-26.9M	0.77	11.17	1,420,860	1,097,060	7,084,160	5,650,480
2012-05-22	$15.00	$15.23	28.1%	8.1%	26.4%	16.5%	28.0%	4.7%	4.5%	30.3M	-271.1M	-27.0M	1.12	14.39	1,543,860	1,721,960	7,427,340	6,001,720
2012-05-23	$15.22	$15.23	25.4%	7.3%	26.4%	13.1%	26.1%	4.1%	5.9%	92.4M	-1.00B	-27.9M	1.05	26.00	1,455,020	1,522,360	7,777,320	6,464,380
2012-05-24	$15.08	$15.23	26.4%	7.6%	26.4%	14.4%	26.9%	4.4%	5.6%	36.9M	-458.7M	-27.7M	1.07	16.20	1,241,040	1,324,240	7,922,840	6,604,920
2012-05-25	$14.77	$15.23	27.3%	8.1%	27.2%	15.5%	27.8%	5.2%	5.1%	-52.4M	598.7M	-26.9M	0.93	11.51	2,516,000	2,334,420	8,083,200	6,918,880
2012-05-29	$14.84	$15.23	30.2%	7.6%	26.8%	19.0%	26.8%	5.1%	5.4%	19.4M	17.6M	-26.6M	0.82	12.57	1,321,880	1,081,040	7,781,580	6,619,340
2012-05-30	$14.69	$15.11	31.3%	7.9%	27.0%	19.6%	28.0%	5.1%	5.1%	-38.3M	552.6M	-26.2M	0.79	12.24	1,273,720	1,000,200	8,007,920	6,962,320
2012-05-31	$14.51	$15.11	29.0%	8.2%	27.1%	16.9%	28.4%	4.8%	5.4%	-99.0M	1.08B	-26.2M	0.64	14.32	1,735,420	1,116,720	8,280,360	7,160,240