GOOG Options History — August 2008

In August 2008, GOOG traded between $11.56 and $12.74. ATM implied volatility averaged 30.4%, placing in the 30.1% IV rank vs the trailing year. The 30-day expected move averaged 9.0%. IV traded below realized volatility by 8.8% (HV 20d: 39.3%). Max pain ranged from $11.99 to $12.74. Net GEX was positive for 17 of 21 trading days. Term structure was in contango for 21 of 21 days. Put/call ratio averaged 0.76.

Notable Days

2008-08-15: Highest Volume — 4,325,880 contracts
2008-08-14: Largest IV spike — 27.6% change
2008-08-04: Highest IV Rank — 47.4%
2008-08-04: Largest Expected Move — 10.2%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$12.14	$11.56	$12.74	$11.68	$11.57
Max Pain	$12.43	$11.99	$12.74	$12.24	$11.99
ATM IV	30.4%	23.4%	36.9%	34.4%	32.5%
Expected Move	9.0%	8.1%	10.2%	9.9%	9.3%
HV 20d	39.3%	26.1%	52.0%	49.0%	27.2%
HV 60d	37.3%	36.0%	38.3%	36.8%	36.0%
IV Rank	30.1%	11.5%	47.4%	41.1%	35.5%
IV Percentile	29.4%	7.9%	61.9%	51.6%	39.7%
Term Structure	5.7%	1.2%	8.3%	1.2%	7.4%
VWIV	31.5%	28.5%	34.8%	34.8%	32.3%
Skew 25d	3.5%	2.1%	5.0%	3.7%	2.2%
Skew 10d	6.9%	3.6%	10.2%	7.7%	4.4%
Call IV 25d	29.8%	26.0%	33.8%	33.3%	31.6%
Put IV 25d	33.3%	29.9%	37.8%	37.0%	33.7%
Bid-Ask Spread %	28.72	18.58	40.66	18.58	19.89
Gamma HHI	0.10	0.04	0.65	0.05	0.05
Net GEX	44.4M	-20.3M	320.5M	-15.8M	702.3K
Net DEX	29.1M	-1.82B	1.49B	1.27B	849.3M
Net VEX	-26.5M	-27.3M	-25.1M	-25.8M	-25.6M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.76	0.48	1.16	0.88	0.64
Total Volume	1,882,026.667	861,540	4,325,880	1,724,680	1,735,700
Total OI	17,599,332.381	15,215,520	19,907,960	17,390,300	17,967,280

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
2008-08-01	$11.68	$12.24	34.4%	9.9%	49.0%	41.1%	34.8%	3.7%	1.2%	-15.8M	1.27B	-25.8M	0.88	18.58	916,160	808,520	10,005,120	7,385,180
2008-08-04	$11.56	$12.74	36.9%	10.2%	48.4%	47.4%	34.8%	4.0%	2.3%	-20.3M	1.49B	-25.1M	0.69	25.98	835,760	574,220	10,233,620	7,421,540
2008-08-05	$11.98	$12.49	32.3%	9.5%	50.0%	35.6%	33.3%	4.0%	3.1%	14.6M	499.7M	-26.0M	0.72	27.22	909,260	656,180	10,406,600	7,389,380
2008-08-06	$12.15	$12.49	31.5%	9.3%	50.1%	33.3%	32.9%	4.6%	3.8%	25.1M	143.0M	-26.6M	0.99	26.92	804,000	799,840	10,418,160	7,460,740
2008-08-07	$11.97	$12.49	31.7%	9.6%	50.2%	33.9%	33.8%	4.7%	3.2%	4.5M	597.9M	-26.0M	1.16	23.72	570,160	663,500	10,502,340	7,538,620
2008-08-08	$12.36	$12.49	26.5%	8.7%	52.0%	20.3%	32.0%	5.0%	4.7%	52.2M	-331.8M	-26.9M	0.86	26.63	1,338,340	1,151,100	10,595,420	7,562,400
2008-08-11	$12.51	$12.49	28.3%	8.8%	51.7%	25.1%	31.1%	4.5%	4.6%	100.0M	-852.2M	-26.8M	0.63	28.22	2,197,280	1,383,500	10,825,180	7,810,240
2008-08-12	$12.55	$12.49	27.1%	8.9%	51.6%	21.2%	31.3%	4.9%	4.6%	103.5M	-906.0M	-26.9M	0.91	28.06	1,110,340	1,004,960	11,118,620	7,952,220
2008-08-13	$12.49	$12.49	23.4%	8.8%	49.6%	11.5%	30.8%	4.7%	5.1%	81.6M	-650.8M	-26.6M	0.69	31.14	1,541,980	1,069,700	11,248,880	8,048,440
2008-08-14	$12.62	$12.49	29.9%	8.6%	49.9%	28.6%	30.1%	4.5%	5.6%	162.7M	-1.23B	-27.3M	0.82	33.85	1,319,840	1,082,640	11,469,700	8,086,680
2008-08-15	$12.74	$12.49	28.2%	8.1%	33.1%	24.0%	28.5%	4.4%	6.6%	320.5M	-1.82B	-27.0M	0.65	33.80	2,617,100	1,708,780	11,659,320	8,248,640
2008-08-18	$12.45	$12.49	29.1%	8.3%	32.7%	26.4%	29.5%	2.9%	8.1%	18.6M	-335.4M	-27.0M	0.75	33.71	906,980	679,040	8,755,900	6,459,620
2008-08-19	$12.25	$12.49	30.7%	8.8%	32.9%	30.8%	30.9%	2.6%	7.1%	15.5M	-12.8M	-27.1M	0.76	28.60	721,560	549,420	9,078,980	6,652,240
2008-08-20	$12.11	$12.49	31.8%	9.1%	32.0%	33.5%	31.5%	2.2%	6.6%	12.4M	109.9M	-27.1M	0.70	31.43	819,460	573,220	9,267,460	6,741,900
2008-08-21	$12.15	$12.49	31.0%	8.9%	30.2%	31.6%	31.2%	2.1%	7.1%	14.3M	55.8M	-27.2M	0.92	32.99	551,440	508,300	9,426,420	6,861,700
2008-08-22	$12.25	$12.49	28.6%	8.2%	27.8%	25.2%	28.7%	2.5%	8.2%	20.4M	-196.7M	-27.2M	0.75	32.66	491,340	370,200	9,540,700	6,927,000
2008-08-25	$12.06	$12.49	31.1%	8.9%	26.1%	31.7%	31.0%	2.8%	7.7%	8.9M	213.1M	-26.7M	0.73	35.24	599,960	438,280	9,616,640	7,002,960
2008-08-26	$11.84	$12.49	31.6%	9.1%	26.6%	33.1%	31.3%	2.7%	7.4%	-1.1M	643.8M	-26.1M	0.67	40.66	1,123,200	750,220	9,759,380	7,077,880
2008-08-27	$11.70	$12.24	31.4%	9.0%	26.8%	32.6%	31.5%	2.1%	7.7%	-1.5M	755.6M	-25.8M	0.48	23.27	1,538,380	739,380	10,104,420	7,128,760
2008-08-28	$11.83	$11.99	30.5%	8.7%	26.4%	30.1%	30.2%	2.6%	8.3%	16.1M	318.5M	-26.7M	0.51	20.60	905,660	457,660	10,589,220	7,240,480
2008-08-29	$11.57	$11.99	32.5%	9.3%	27.2%	35.5%	32.3%	2.2%	7.4%	702.3K	849.3M	-25.6M	0.64	19.89	1,058,660	677,040	10,703,500	7,263,780