GOOG Options History — April 2010

In April 2010, GOOG traded between $13.13 and $14.87. ATM implied volatility averaged 31.0%, placing in the 25.2% IV rank vs the trailing year. The 30-day expected move averaged 7.1%. IV traded above realized volatility by 6.2% (HV 20d: 24.8%). Max pain ranged from $13.74 to $14.24. Net GEX was positive for 17 of 21 trading days. Term structure was in contango for 11 of 21 days. Put/call ratio averaged 0.63.

Notable Days

2010-04-16: Highest Volume — 10,865,500 contracts
2010-04-15: Largest IV drop — 50.8% change
2010-04-14: Highest IV Rank — 73.9%
2010-04-01: Largest Expected Move — 9.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$13.91	$13.13	$14.87	$14.21	$13.13
Max Pain	$13.90	$13.74	$14.24	$13.99	$13.74
ATM IV	31.0%	20.3%	57.6%	32.3%	24.6%
Expected Move	7.1%	5.8%	9.3%	9.3%	7.0%
HV 20d	24.8%	14.5%	32.6%	19.2%	32.6%
HV 60d	23.1%	21.0%	26.7%	22.4%	24.0%
IV Rank	25.2%	5.6%	73.9%	27.6%	13.4%
IV Percentile	56.7%	10.7%	97.6%	71.8%	42.5%
Term Structure	-0.3%	-6.3%	1.7%	-6.3%	1.6%
VWIV	25.3%	20.7%	32.9%	32.9%	25.3%
Skew 25d	0.5%	-1.2%	2.3%	-1.2%	1.2%
Skew 10d	0.8%	-2.1%	4.8%	-2.1%	2.5%
Call IV 25d	25.0%	20.4%	33.3%	33.3%	24.8%
Put IV 25d	25.4%	20.8%	32.2%	32.2%	26.1%
Bid-Ask Spread %	12.83	9.67	17.80	10.34	17.80
Gamma HHI	0.09	0.06	0.13	0.09	0.06
Net GEX	108.0M	-186.6M	372.2M	156.5M	-6.6M
Net DEX	-1.46B	-5.52B	1.64B	-2.43B	640.2M
Net VEX	-23.6M	-24.7M	-21.5M	-24.3M	-24.5M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.63	0.49	0.84	0.58	0.52
Total Volume	2,807,299.048	1,110,320	10,865,500	1,410,620	1,592,020
Total OI	15,503,312.381	12,488,040	19,928,760	14,506,440	16,187,520

Daily Data (21 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
2010-04-01	$14.21	$13.99	32.3%	9.3%	19.2%	27.6%	32.9%	-1.2%	-6.3%	156.5M	-2.43B	-24.3M	0.58	10.34	894,780	515,840	8,275,700	6,230,740
2010-04-05	$14.26	$13.74	35.4%	7.3%	18.3%	33.2%	25.8%	0.7%	-1.0%	176.2M	-2.57B	-23.1M	0.75	12.62	827,900	624,420	8,396,500	6,329,640
2010-04-06	$14.19	$13.74	35.8%	7.1%	18.4%	34.0%	25.1%	0.3%	-1.1%	165.8M	-2.36B	-23.4M	0.60	12.79	844,600	506,180	8,608,200	6,499,180
2010-04-07	$14.07	$13.74	36.2%	7.2%	18.6%	34.7%	25.6%	0.3%	-1.0%	145.1M	-1.94B	-23.0M	0.62	10.03	832,160	519,000	8,950,620	6,705,380
2010-04-08	$14.17	$13.74	36.7%	7.1%	15.6%	35.6%	25.0%	0.4%	-1.1%	175.4M	-2.34B	-22.5M	0.56	10.95	1,050,840	587,180	8,950,620	6,705,380
2010-04-09	$14.14	$13.74	36.8%	7.1%	15.2%	35.8%	25.3%	-0.1%	-1.2%	166.4M	-2.17B	-23.4M	0.59	12.28	928,880	547,060	9,294,320	7,008,760
2010-04-12	$14.30	$13.99	47.8%	7.6%	15.9%	55.9%	26.8%	0.1%	-1.5%	222.0M	-2.92B	-23.0M	0.76	11.18	1,159,240	880,920	9,454,520	7,102,340
2010-04-13	$14.65	$13.99	50.5%	7.6%	14.5%	60.8%	26.9%	0.3%	-1.3%	328.0M	-4.46B	-23.6M	0.84	9.67	2,477,720	2,082,880	9,645,800	7,284,680
2010-04-14	$14.71	$13.99	57.6%	8.0%	14.5%	73.9%	28.2%	0.6%	-2.1%	319.7M	-4.60B	-23.9M	0.55	10.36	2,345,300	1,294,500	9,834,780	7,666,420
2010-04-15	$14.87	$14.24	28.3%	8.1%	14.8%	20.3%	28.4%	0.5%	-3.0%	372.2M	-5.52B	-23.8M	0.62	11.12	5,398,880	3,365,480	10,218,120	7,760,520
2010-04-16	$13.74	$14.24	23.4%	6.7%	32.5%	11.3%	24.1%	-0.3%	1.0%	-186.6M	1.64B	-21.5M	0.57	12.96	6,922,400	3,943,100	11,126,880	8,801,880
2010-04-19	$13.74	$13.99	22.8%	6.5%	32.3%	10.1%	23.6%	0.1%	1.3%	39.5M	-640.8M	-23.5M	0.62	12.53	1,640,040	1,013,060	7,201,240	5,286,800
2010-04-20	$13.86	$13.99	20.6%	5.9%	32.4%	6.1%	21.3%	0.2%	1.5%	62.1M	-1.02B	-24.1M	0.61	16.86	1,080,320	663,940	7,636,980	5,607,440
2010-04-21	$13.84	$13.99	20.3%	5.8%	32.0%	5.6%	20.7%	0.4%	1.7%	62.2M	-959.7M	-24.3M	0.49	15.91	945,860	467,820	7,880,800	5,738,580
2010-04-22	$13.66	$13.99	21.4%	6.1%	31.8%	7.6%	22.0%	0.5%	1.3%	39.9M	-470.0M	-24.2M	0.57	14.04	1,075,240	609,280	8,104,580	5,834,660
2010-04-23	$13.61	$13.99	21.5%	6.2%	31.6%	7.7%	21.9%	0.2%	1.7%	33.7M	-404.0M	-24.1M	0.64	13.69	677,720	432,600	8,284,640	5,998,360
2010-04-26	$13.28	$13.99	24.0%	6.9%	32.6%	12.3%	24.6%	0.7%	0.6%	-11.0M	557.1M	-22.9M	0.69	12.77	1,986,620	1,361,800	8,284,640	5,998,360
2010-04-27	$13.21	$13.74	26.3%	7.5%	32.6%	16.6%	27.1%	1.6%	0.2%	286.8K	522.4M	-24.3M	0.75	16.00	1,441,760	1,084,720	8,809,280	6,345,940
2010-04-28	$13.22	$13.74	24.7%	7.1%	32.4%	13.7%	25.4%	2.3%	0.9%	-7.1M	505.6M	-24.0M	0.63	12.28	1,453,140	916,640	9,037,900	6,531,120
2010-04-29	$13.29	$13.74	24.4%	7.0%	32.5%	13.1%	25.0%	1.0%	0.8%	13.8M	226.9M	-24.7M	0.56	13.17	1,254,980	706,460	9,300,340	6,649,400
2010-04-30	$13.13	$13.74	24.6%	7.0%	32.6%	13.4%	25.3%	1.2%	1.6%	-6.6M	640.2M	-24.5M	0.52	17.80	1,044,360	547,660	9,478,580	6,708,940