GOOG Options History — April 2018

In April 2018, GOOG traded between $50.26 and $54.52. ATM implied volatility averaged 29.9%, placing in the 66.6% IV rank vs the trailing year. The 30-day expected move averaged 8.3%. IV traded below realized volatility by 4.0% (HV 20d: 33.9%). Max pain ranged from $53.00 to $54.50. Net GEX was positive for 13 of 21 trading days. Term structure was in contango for 3 of 21 days. Put/call ratio averaged 0.88.

Notable Days

2018-04-24: Highest Volume — 1,299,620 contracts
2018-04-24: Largest IV drop — 17.5% change
2018-04-02: Highest IV Rank — 96.2%
2018-04-02: Largest Expected Move — 10.0%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$51.84	$50.26	$54.52	$50.26	$51.16
Max Pain	$53.71	$53.00	$54.50	$53.50	$53.25
ATM IV	29.9%	20.6%	37.6%	37.6%	20.7%
Expected Move	8.3%	6.1%	10.0%	10.0%	6.1%
HV 20d	33.9%	29.7%	36.2%	35.8%	29.7%
HV 60d	31.7%	30.5%	34.0%	30.5%	34.0%
IV Rank	66.6%	31.0%	96.2%	96.2%	31.3%
IV Percentile	87.1%	52.4%	99.2%	99.2%	52.4%
Term Structure	-1.1%	-2.4%	0.2%	0.1%	-0.1%
VWIV	29.0%	21.4%	34.6%	34.6%	21.4%
Skew 25d	2.7%	1.5%	4.5%	4.5%	1.5%
Skew 10d	4.8%	2.1%	8.5%	8.5%	3.1%
Call IV 25d	28.6%	19.9%	34.9%	34.9%	19.9%
Put IV 25d	31.3%	21.5%	39.4%	39.4%	21.5%
Bid-Ask Spread %	28.46	12.38	45.60	41.83	43.36
Gamma HHI	0.03	0.02	0.10	0.02	0.04
Net GEX	24.9M	-101.8M	206.0M	-35.8M	-40.7M
Net DEX	-770.8M	-4.04B	1.22B	938.8M	-7.5M
Net VEX	-32.0M	-33.4M	-30.2M	-32.2M	-31.0M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.88	0.70	1.48	0.88	1.15
Total Volume	709,974.286	470,860	1,299,620	693,960	619,180
Total OI	4,922,826.667	4,428,360	5,432,720	4,443,760	4,729,000

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
2018-04-02	$50.26	$53.50	37.6%	10.0%	35.8%	96.2%	34.6%	4.5%	0.1%	-35.8M	938.8M	-32.2M	0.88	41.83	369,500	324,460	2,312,260	2,131,500
2018-04-03	$50.63	$53.25	37.0%	9.4%	35.6%	93.8%	32.5%	4.5%	-2.0%	-16.5M	538.1M	-32.8M	0.70	42.89	382,700	269,640	2,429,320	2,192,820
2018-04-04	$51.40	$53.00	34.4%	8.4%	36.2%	84.0%	30.8%	4.0%	-1.7%	21.8M	-268.4M	-33.1M	0.77	45.60	354,480	271,980	2,518,320	2,241,560
2018-04-05	$51.46	$54.50	33.7%	9.1%	35.6%	81.0%	31.6%	3.5%	-1.7%	46.8M	-476.1M	-33.4M	0.81	12.38	326,440	266,000	2,596,180	2,275,240
2018-04-06	$50.41	$54.25	36.1%	9.5%	35.6%	90.4%	32.8%	3.3%	-2.4%	-35.9M	795.5M	-32.6M	0.87	13.15	362,760	317,340	2,624,760	2,310,500
2018-04-09	$51.11	$54.00	34.0%	9.3%	33.8%	82.4%	32.4%	3.8%	-1.4%	-13.7M	-74.2M	-32.6M	0.74	13.16	283,100	209,040	2,479,380	2,227,120
2018-04-10	$51.67	$54.00	32.4%	8.9%	34.1%	76.2%	31.1%	3.9%	-1.3%	15.1M	-665.1M	-32.4M	0.72	16.24	274,040	196,820	2,536,660	2,247,220
2018-04-11	$51.20	$54.00	32.6%	9.0%	33.4%	76.8%	31.4%	3.3%	-1.3%	1.6M	-117.4M	-32.1M	0.82	17.60	268,540	220,740	2,582,080	2,273,620
2018-04-12	$51.81	$54.00	30.9%	8.5%	33.5%	70.4%	30.0%	2.4%	-1.3%	55.6M	-885.2M	-31.7M	0.94	19.44	267,960	250,640	2,620,320	2,303,800
2018-04-13	$51.43	$54.00	30.1%	8.4%	33.5%	67.2%	29.4%	2.3%	-1.0%	22.8M	-384.3M	-31.4M	0.87	20.85	317,400	276,120	2,662,520	2,343,060
2018-04-16	$51.99	$53.75	28.4%	8.1%	33.9%	60.7%	28.3%	2.3%	-1.2%	14.5M	-931.9M	-30.3M	0.94	27.07	243,500	229,520	2,565,720	2,262,200
2018-04-17	$53.83	$53.75	27.8%	7.9%	34.8%	58.4%	27.8%	1.8%	-1.3%	143.7M	-3.32B	-30.2M	1.48	25.19	415,260	612,740	2,610,520	2,305,180
2018-04-18	$53.63	$53.75	28.4%	8.2%	34.8%	61.0%	28.7%	1.9%	-1.8%	104.1M	-2.74B	-32.2M	0.97	28.59	292,040	282,480	2,675,880	2,520,260
2018-04-19	$54.52	$53.75	29.9%	8.7%	35.3%	66.7%	30.5%	1.9%	-1.5%	206.0M	-4.04B	-32.9M	0.73	28.50	396,200	290,840	2,747,600	2,575,960
2018-04-20	$53.64	$53.75	30.6%	8.9%	33.0%	69.1%	31.2%	1.6%	-1.5%	148.1M	-2.65B	-32.5M	0.77	24.60	509,160	389,800	2,811,580	2,621,140
2018-04-23	$53.38	$53.75	30.5%	9.1%	31.7%	68.8%	31.6%	2.0%	-1.6%	42.6M	-1.89B	-31.9M	0.88	29.09	476,980	418,480	2,250,940	2,177,420
2018-04-24	$50.60	$53.75	25.2%	7.3%	35.7%	48.5%	25.5%	1.9%	0.2%	-101.8M	1.22B	-30.4M	0.84	32.63	706,340	593,280	2,474,800	2,341,180
2018-04-25	$51.02	$53.50	24.4%	7.0%	31.6%	45.5%	24.3%	2.1%	-0.8%	-67.5M	335.5M	-32.1M	1.01	34.78	432,440	437,720	2,686,320	2,415,980
2018-04-26	$52.02	$53.25	22.7%	6.4%	32.3%	38.9%	22.1%	2.0%	-0.5%	73.3M	-1.23B	-32.5M	0.80	38.18	443,260	356,420	2,797,960	2,532,320
2018-04-27	$51.48	$53.25	20.6%	6.1%	31.2%	31.0%	21.8%	1.6%	0.2%	-61.9M	-336.0M	-31.7M	0.86	42.45	513,880	440,240	2,808,320	2,560,840
2018-04-30	$51.16	$53.25	20.7%	6.1%	29.7%	31.3%	21.4%	1.5%	-0.1%	-40.7M	-7.5M	-31.0M	1.15	43.36	288,300	330,880	2,436,460	2,292,540