GOOG Options History — January 2013

In January 2013, GOOG traded between $17.55 and $18.87. ATM implied volatility averaged 25.6%, placing in the 13.9% IV rank vs the trailing year. The 30-day expected move averaged 7.3%. IV traded above realized volatility by 6.0% (HV 20d: 19.6%). Max pain ranged from $17.48 to $19.23. Net GEX was positive for 18 of 21 trading days. Term structure was in contango for 6 of 21 days. Put/call ratio averaged 0.85.

Notable Days

2013-01-23: Highest Volume — 8,886,520 contracts
2013-01-23: Largest IV drop — 40.5% change
2013-01-09: Highest IV Rank — 23.4%
2013-01-09: Largest Expected Move — 9.5%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$18.34	$17.55	$18.87	$18.06	$18.87
Max Pain	$18.25	$17.48	$19.23	$17.48	$19.23
ATM IV	25.6%	15.2%	33.3%	28.6%	15.2%
Expected Move	7.3%	4.4%	9.5%	8.2%	4.4%
HV 20d	19.6%	15.9%	25.6%	16.3%	24.1%
HV 60d	22.4%	17.5%	24.9%	24.6%	20.7%
IV Rank	13.9%	0.9%	23.4%	17.5%	0.9%
IV Percentile	55.8%	0.4%	94.4%	74.6%	0.4%
Term Structure	-2.2%	-5.0%	1.1%	-2.9%	1.1%
VWIV	25.9%	15.4%	33.9%	28.9%	18.0%
Skew 25d	2.5%	1.8%	3.5%	2.7%	3.5%
Skew 10d	5.0%	3.7%	8.0%	5.5%	8.0%
Call IV 25d	24.6%	14.3%	32.3%	27.4%	14.3%
Put IV 25d	27.1%	16.8%	34.9%	30.1%	17.8%
Bid-Ask Spread %	19.03	5.22	48.29	7.62	12.80
Gamma HHI	0.10	0.03	0.37	0.05	0.18
Net GEX	217.8M	-283.5M	604.6M	196.4M	294.2M
Net DEX	-3.90B	-6.41B	386.3M	-4.54B	-3.13B
Net VEX	-26.4M	-27.4M	-24.8M	-25.8M	-27.1M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.85	0.63	1.20	0.77	1.20
Total Volume	3,647,952.381	1,480,120	8,886,520	2,688,560	1,828,180
Total OI	16,300,508.571	10,230,780	19,453,780	16,584,900	13,267,820

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
2013-01-02	$18.06	$17.48	28.6%	8.2%	16.3%	17.5%	28.9%	2.7%	-2.9%	196.4M	-4.54B	-25.8M	0.77	7.62	1,520,040	1,168,520	7,882,480	8,702,420
2013-01-03	$18.07	$17.73	30.6%	8.8%	16.1%	20.1%	30.7%	2.3%	-3.4%	247.4M	-4.62B	-25.5M	0.80	5.56	2,381,620	1,905,340	8,135,400	9,079,020
2013-01-04	$18.43	$17.98	30.6%	8.8%	16.9%	20.1%	31.1%	2.2%	-3.7%	283.1M	-6.41B	-25.9M	0.73	9.25	3,454,180	2,504,940	8,555,540	9,493,320
2013-01-07	$18.35	$17.98	32.0%	9.2%	17.2%	21.7%	31.9%	1.8%	-4.6%	246.0M	-5.24B	-26.2M	0.74	5.22	1,187,300	881,040	8,316,020	8,965,960
2013-01-08	$18.31	$17.98	32.7%	9.4%	16.6%	22.6%	33.1%	2.2%	-4.7%	241.0M	-4.88B	-27.2M	0.95	10.20	1,384,500	1,319,520	8,658,900	9,236,580
2013-01-09	$18.43	$17.98	33.3%	9.5%	16.6%	23.4%	33.9%	2.6%	-5.0%	306.5M	-5.62B	-26.9M	0.72	10.84	1,461,420	1,046,560	8,811,880	9,555,900
2013-01-10	$18.52	$0.00	30.2%	8.8%	15.9%	19.6%	30.3%	2.3%	-2.3%	413.2M	-6.14B	-27.1M	0.82	5.54	1,498,380	1,224,740	9,088,480	9,780,380
2013-01-11	$18.48	$18.73	30.0%	8.8%	16.0%	19.3%	31.7%	2.3%	-2.6%	604.6M	-5.84B	-26.6M	0.81	5.63	1,809,560	1,469,140	9,133,200	9,960,680
2013-01-14	$18.06	$18.11	30.1%	8.3%	18.3%	19.4%	29.0%	2.4%	-4.4%	103.6M	-3.71B	-26.2M	0.69	38.99	1,648,280	1,145,500	8,577,200	9,207,240
2013-01-15	$18.11	$18.11	29.9%	8.4%	18.3%	19.1%	29.4%	2.8%	-4.6%	109.0M	-3.83B	-26.4M	0.94	43.54	2,297,100	2,161,600	8,878,460	9,542,020
2013-01-16	$17.86	$18.11	30.1%	8.5%	16.5%	19.5%	30.1%	2.7%	-4.8%	25.4M	-2.85B	-26.2M	0.91	40.44	1,278,160	1,162,160	9,093,480	9,700,140
2013-01-17	$17.77	$17.98	30.2%	8.7%	16.6%	19.5%	30.4%	2.7%	-1.6%	-40.4M	-2.30B	-25.5M	1.01	44.96	1,499,620	1,507,380	9,065,780	9,756,140
2013-01-18	$17.60	$17.98	30.0%	8.7%	16.9%	19.3%	30.4%	3.3%	-1.6%	-283.5M	-1.50B	-25.2M	1.18	48.29	2,592,460	3,058,140	9,258,280	10,195,500
2013-01-22	$17.55	$17.48	27.8%	7.9%	16.8%	16.5%	27.8%	3.4%	-3.8%	-31.6M	386.3M	-24.8M	0.95	34.03	3,789,260	3,600,320	4,916,360	5,314,420
2013-01-23	$18.52	$17.48	16.5%	4.7%	25.4%	2.5%	16.1%	2.2%	0.8%	418.5M	-3.87B	-25.1M	0.93	15.22	4,610,440	4,276,080	6,557,960	6,949,420
2013-01-24	$18.83	$18.98	16.4%	4.7%	25.6%	2.4%	16.5%	1.8%	0.5%	494.3M	-4.85B	-27.4M	0.77	12.58	2,491,680	1,917,040	7,191,940	8,203,560
2013-01-25	$18.82	$18.98	15.8%	4.5%	25.6%	1.6%	15.4%	1.9%	-0.1%	321.7M	-4.41B	-27.1M	0.77	11.91	2,373,180	1,822,860	7,114,860	8,349,180
2013-01-28	$18.75	$18.73	16.2%	4.7%	25.6%	2.2%	16.5%	2.0%	0.4%	179.5M	-2.66B	-26.7M	0.83	12.35	901,260	746,900	5,734,840	6,474,300
2013-01-29	$18.82	$18.73	16.2%	4.7%	25.3%	2.1%	15.9%	2.1%	0.3%	221.0M	-2.94B	-27.0M	0.74	12.86	852,260	627,860	5,937,660	6,701,980
2013-01-30	$18.83	$19.23	16.4%	4.7%	25.1%	2.5%	17.3%	2.9%	0.4%	223.6M	-2.91B	-27.4M	0.63	11.91	1,352,520	849,960	6,130,760	6,835,220
2013-01-31	$18.87	$19.23	15.2%	4.4%	24.1%	0.9%	18.0%	3.5%	1.1%	294.2M	-3.13B	-27.1M	1.20	12.80	830,180	998,000	6,244,520	7,023,300