GOOG Options History — May 2017

In May 2017, GOOG traded between $45.73 and $48.73. ATM implied volatility averaged 13.7%, placing in the 15.1% IV rank vs the trailing year. The 30-day expected move averaged 4.0%. IV traded below realized volatility by 2.7% (HV 20d: 16.4%). Max pain ranged from $42.00 to $44.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 18 of 22 days. Put/call ratio averaged 1.07.

Notable Days

2017-05-25: Highest Volume — 1,023,300 contracts
2017-05-17: Largest IV spike — 13.3% change
2017-05-31: Highest IV Rank — 24.6%
2017-05-31: Largest Expected Move — 4.4%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$46.95	$45.73	$48.73	$45.73	$48.29
Max Pain	$43.48	$42.00	$44.00	$42.00	$44.00
ATM IV	13.7%	12.7%	15.6%	12.8%	15.6%
Expected Move	4.0%	3.6%	4.4%	3.7%	4.4%
HV 20d	16.4%	12.5%	18.8%	17.1%	13.2%
HV 60d	13.8%	13.2%	14.5%	13.2%	14.4%
IV Rank	15.1%	9.8%	24.6%	10.2%	24.6%
IV Percentile	17.4%	4.4%	36.1%	4.8%	36.1%
Term Structure	0.3%	-0.8%	0.8%	0.3%	-0.8%
VWIV	14.4%	13.0%	16.3%	13.5%	15.8%
Skew 25d	1.6%	1.0%	2.7%	2.4%	1.4%
Skew 10d	3.2%	1.7%	5.9%	4.4%	3.8%
Call IV 25d	13.2%	11.6%	15.3%	11.6%	15.3%
Put IV 25d	14.8%	13.8%	16.7%	14.0%	16.7%
Bid-Ask Spread %	50.34	40.34	66.16	53.65	66.16
Gamma HHI	0.08	0.04	0.36	0.05	0.05
Net GEX	293.4M	35.9M	637.5M	244.9M	218.3M
Net DEX	-6.81B	-8.60B	-5.09B	-5.72B	-7.22B
Net VEX	-35.9M	-38.5M	-32.8M	-32.8M	-38.5M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.07	0.59	1.61	1.17	0.92
Total Volume	678,286.364	405,600	1,023,300	617,040	645,860
Total OI	5,402,695.455	4,928,140	5,928,340	4,928,140	5,484,860

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
2017-05-01	$45.73	$42.00	12.8%	3.7%	17.1%	10.2%	13.5%	2.4%	0.3%	244.9M	-5.72B	-32.8M	1.17	53.65	284,780	332,260	2,622,480	2,305,660
2017-05-02	$45.74	$42.00	12.7%	3.6%	17.1%	9.8%	13.4%	1.4%	0.4%	254.4M	-5.72B	-33.1M	1.29	59.11	256,440	331,800	2,694,200	2,389,160
2017-05-03	$46.25	$42.25	12.9%	3.6%	16.7%	11.0%	13.0%	1.7%	0.4%	349.9M	-6.51B	-33.2M	1.30	52.30	266,340	346,740	2,758,660	2,434,080
2017-05-04	$46.60	$43.25	13.8%	4.1%	16.7%	15.6%	14.3%	1.5%	0.4%	349.3M	-7.16B	-33.4M	0.76	50.17	490,680	371,380	2,809,960	2,517,240
2017-05-05	$46.32	$43.50	13.4%	4.0%	16.5%	13.3%	13.9%	1.7%	0.5%	338.8M	-6.57B	-34.8M	1.61	56.73	374,520	601,840	2,933,920	2,595,980
2017-05-08	$46.70	$43.50	13.6%	4.1%	16.1%	14.4%	15.6%	1.4%	0.7%	282.3M	-6.81B	-35.2M	1.02	48.56	473,740	484,300	2,829,640	2,379,420
2017-05-09	$46.57	$43.50	14.0%	4.2%	16.3%	16.6%	16.3%	1.4%	0.6%	313.1M	-6.72B	-35.8M	1.52	44.91	289,440	441,340	2,925,280	2,409,800
2017-05-10	$46.37	$43.50	13.5%	4.1%	16.3%	14.1%	14.7%	1.5%	0.6%	174.7M	-6.22B	-36.3M	1.55	51.88	197,360	305,300	2,974,740	2,520,140
2017-05-11	$46.58	$43.50	13.5%	4.0%	16.3%	13.8%	14.3%	1.5%	0.7%	250.2M	-6.71B	-36.3M	1.26	45.17	254,800	321,780	3,003,800	2,543,200
2017-05-12	$46.58	$43.50	13.2%	4.0%	16.3%	12.6%	14.1%	1.5%	0.8%	388.8M	-6.93B	-36.3M	0.93	40.34	348,980	323,880	3,066,680	2,593,640
2017-05-15	$46.80	$43.50	13.2%	3.8%	16.3%	12.6%	13.7%	1.0%	0.6%	250.3M	-6.90B	-35.7M	1.43	46.43	201,340	287,740	2,903,980	2,453,680
2017-05-16	$47.13	$43.75	12.7%	3.7%	16.2%	9.9%	13.6%	1.2%	0.4%	279.0M	-7.41B	-35.7M	1.03	41.24	271,720	281,020	2,922,920	2,549,160
2017-05-17	$46.14	$43.75	14.4%	4.1%	18.8%	18.6%	15.2%	2.7%	0.3%	35.9M	-5.09B	-37.3M	0.59	57.24	616,860	365,900	2,975,140	2,611,760
2017-05-18	$46.54	$43.75	14.5%	4.2%	18.8%	19.0%	14.7%	2.2%	-0.0%	126.2M	-6.08B	-37.6M	1.04	44.76	292,740	304,280	3,140,440	2,711,180
2017-05-19	$46.69	$43.75	13.5%	3.8%	18.7%	13.9%	13.5%	1.7%	0.3%	328.1M	-6.69B	-37.3M	0.94	47.41	304,740	287,740	3,180,900	2,747,440
2017-05-22	$47.05	$43.75	13.4%	3.8%	17.5%	13.6%	13.7%	1.6%	0.2%	320.6M	-6.14B	-35.8M	1.14	49.50	189,500	216,100	2,759,240	2,173,100
2017-05-23	$47.35	$43.75	13.8%	3.9%	17.3%	15.4%	14.1%	1.6%	0.1%	352.2M	-6.64B	-36.4M	0.94	50.94	396,260	370,940	2,803,860	2,254,920
2017-05-24	$47.72	$44.00	13.6%	3.8%	17.1%	14.5%	13.8%	1.2%	0.4%	369.9M	-7.35B	-36.3M	0.82	47.50	316,640	258,360	2,896,920	2,411,180
2017-05-25	$48.49	$44.00	14.3%	4.1%	17.6%	17.9%	15.0%	1.5%	0.3%	294.3M	-8.60B	-36.0M	0.68	61.34	610,860	412,440	2,944,200	2,500,920
2017-05-26	$48.49	$44.00	14.3%	4.0%	12.5%	17.9%	14.5%	1.1%	-0.1%	637.5M	-8.55B	-38.1M	0.73	42.28	410,980	298,980	3,095,660	2,687,140
2017-05-30	$48.73	$44.00	15.3%	4.4%	12.5%	22.9%	16.2%	1.3%	-0.1%	297.0M	-8.06B	-37.7M	0.93	49.97	250,140	233,460	2,948,100	2,394,920
2017-05-31	$48.29	$44.00	15.6%	4.4%	13.2%	24.6%	15.8%	1.4%	-0.8%	218.3M	-7.22B	-38.5M	0.92	66.16	335,980	309,880	3,000,860	2,484,000