GOOG Options History — January 2008

In January 2008, GOOG traded between $13.69 and $17.12. ATM implied volatility averaged 43.5%, placing in the 81.7% IV rank vs the trailing year. The 30-day expected move averaged 12.7%. IV traded above realized volatility by 11.4% (HV 20d: 32.1%). Max pain ranged from $14.49 to $17.73. Net GEX was positive for 19 of 21 trading days. Term structure was in contango for 2 of 21 days. Put/call ratio averaged 0.85.

Notable Days

2008-01-18: Highest Volume — 11,316,980 contracts
2008-01-04: Largest IV spike — 21.0% change
2008-01-16: Highest IV Rank — 100.0%
2008-01-31: Largest Expected Move — 16.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$15.28	$13.69	$17.12	$17.11	$14.09
Max Pain	$15.98	$14.49	$17.73	$14.99	$14.49
ATM IV	43.5%	28.8%	57.0%	29.6%	57.0%
Expected Move	12.7%	8.3%	16.3%	8.5%	16.3%
HV 20d	32.1%	23.2%	42.4%	23.2%	42.4%
HV 60d	35.3%	32.5%	38.1%	32.8%	38.1%
IV Rank	81.7%	41.9%	100.0%	44.3%	100.0%
IV Percentile	92.8%	61.9%	100.0%	68.1%	100.0%
Term Structure	-4.0%	-12.0%	7.9%	7.9%	-12.0%
VWIV	43.9%	29.0%	55.8%	29.6%	55.8%
Skew 25d	6.1%	1.0%	11.0%	1.3%	9.0%
Skew 10d	10.8%	2.4%	17.5%	3.0%	10.9%
Call IV 25d	41.4%	28.8%	51.6%	29.1%	51.3%
Put IV 25d	47.5%	29.8%	60.3%	30.4%	60.3%
Bid-Ask Spread %	12.56	4.90	22.94	10.17	12.31
Gamma HHI	0.06	0.04	0.23	0.08	0.04
Net GEX	78.1M	-37.2M	188.5M	188.5M	95.8M
Net DEX	-2.69B	-8.33B	1.22B	-8.33B	-381.1M
Net VEX	-37.8M	-40.4M	-32.9M	-40.3M	-37.9M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.85	0.53	2.46	0.71	0.68
Total Volume	4,926,093.333	2,708,020	11,316,980	3,484,960	7,786,940
Total OI	22,359,503.81	14,442,220	27,543,200	23,041,440	19,966,120

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
2008-01-02	$17.11	$14.99	29.6%	8.5%	23.2%	44.3%	29.6%	1.3%	7.9%	188.5M	-8.33B	-40.3M	0.71	10.17	2,041,840	1,443,120	12,962,180	10,079,260
2008-01-03	$17.12	$14.99	28.8%	8.3%	23.2%	41.9%	29.0%	1.0%	7.7%	184.1M	-7.98B	-39.8M	0.76	12.06	1,541,540	1,166,480	13,088,200	10,261,340
2008-01-04	$16.41	$17.73	34.9%	11.7%	26.3%	62.1%	40.5%	4.1%	-3.0%	108.4M	-5.38B	-40.4M	0.78	4.90	2,436,000	1,892,980	13,226,940	10,518,260
2008-01-07	$16.22	$17.48	38.4%	11.9%	24.5%	73.7%	41.0%	4.5%	-3.3%	95.0M	-4.69B	-40.2M	0.89	6.28	2,270,580	2,015,220	13,555,220	10,752,780
2008-01-08	$15.78	$17.48	38.2%	12.3%	25.7%	73.0%	41.7%	4.7%	-3.8%	60.7M	-3.25B	-38.8M	0.64	7.63	2,174,260	1,384,180	13,713,820	10,751,780
2008-01-09	$16.31	$17.23	32.9%	10.9%	29.1%	55.5%	37.0%	6.2%	-1.0%	114.7M	-5.36B	-39.3M	0.60	14.21	3,149,380	1,901,900	13,915,900	10,672,580
2008-01-10	$16.15	$16.98	38.8%	11.1%	28.0%	75.0%	38.3%	6.1%	-1.3%	112.0M	-4.96B	-39.7M	0.79	10.88	2,254,340	1,790,060	14,416,320	10,879,660
2008-01-11	$15.94	$16.98	40.5%	11.6%	28.1%	80.5%	39.8%	5.6%	-2.1%	81.6M	-4.16B	-39.4M	0.78	12.73	2,082,840	1,630,420	14,622,200	10,957,460
2008-01-14	$16.33	$16.73	38.3%	11.0%	29.9%	73.4%	37.8%	5.5%	-1.9%	159.9M	-6.08B	-39.2M	0.78	10.64	1,777,500	1,382,020	15,004,700	11,160,020
2008-01-15	$15.93	$16.73	40.2%	11.5%	30.9%	79.8%	39.7%	5.0%	-2.6%	60.1M	-4.08B	-38.4M	2.46	11.91	1,030,660	2,532,780	15,087,040	11,281,020
2008-01-16	$15.38	$16.48	46.3%	13.3%	31.4%	100.0%	45.8%	7.9%	-5.8%	11.0M	-1.97B	-37.3M	1.03	18.38	4,478,160	4,609,880	15,313,820	11,218,640
2008-01-17	$15.00	$16.23	46.8%	13.4%	31.9%	100.0%	45.7%	7.4%	-5.8%	-7.0M	-783.0M	-36.4M	1.41	16.74	2,407,960	3,394,480	15,788,860	11,418,080
2008-01-18	$14.99	$15.98	46.6%	13.3%	31.7%	99.2%	46.0%	4.5%	-5.7%	-37.2M	-998.9M	-36.1M	1.00	17.85	5,665,380	5,651,600	16,088,600	11,454,600
2008-01-22	$14.59	$15.73	49.9%	14.3%	31.2%	100.0%	49.2%	9.3%	-6.8%	36.4M	328.3M	-34.6M	0.53	22.94	3,135,260	1,661,980	8,653,760	5,788,460
2008-01-23	$13.70	$15.48	53.5%	15.3%	35.9%	100.0%	52.7%	11.0%	-7.6%	27.5M	1.22B	-32.9M	0.61	13.28	4,500,660	2,754,480	9,754,220	5,890,840
2008-01-24	$14.35	$14.99	45.7%	13.1%	41.0%	78.9%	45.3%	7.8%	-4.4%	79.6M	-461.3M	-37.8M	0.61	11.44	2,851,800	1,744,020	11,159,860	6,116,240
2008-01-25	$14.15	$14.74	47.5%	13.6%	40.0%	83.8%	47.5%	6.4%	-5.2%	77.3M	-365.2M	-38.0M	0.72	11.30	2,284,160	1,655,220	11,550,300	6,240,720
2008-01-28	$13.89	$14.74	52.1%	14.9%	40.1%	96.0%	52.5%	7.5%	-8.1%	66.3M	276.7M	-36.3M	0.73	12.77	1,948,620	1,420,900	11,897,680	6,446,960
2008-01-29	$13.75	$14.74	52.9%	15.2%	39.8%	98.2%	52.8%	7.6%	-9.2%	63.6M	455.0M	-35.9M	0.72	11.23	1,815,180	1,298,420	12,150,700	6,651,360
2008-01-30	$13.69	$14.74	53.9%	15.5%	39.9%	100.0%	53.8%	5.7%	-10.4%	61.3M	520.7M	-35.3M	0.65	14.08	2,721,720	1,763,040	12,354,420	6,738,660
2008-01-31	$14.09	$14.49	57.0%	16.3%	42.4%	100.0%	55.8%	9.0%	-12.0%	95.8M	-381.1M	-37.9M	0.68	12.31	4,628,140	3,158,800	13,024,820	6,941,300