IWM Options History — April 2019

In April 2019, IWM traded between $154.43 and $159.15. ATM implied volatility averaged 15.0%, placing in the 19.3% IV rank vs the trailing year. The 30-day expected move averaged 4.3%. IV traded above realized volatility by 0.8% (HV 20d: 14.2%). Max pain ranged from $154.00 to $156.00. Net GEX was positive for 3 of 21 trading days. Term structure was in contango for 16 of 21 days. Put/call ratio averaged 1.60.

Notable Days

2019-04-17: Highest Volume — 397,837 contracts
2019-04-05: Largest IV drop — 7.0% change
2019-04-01: Highest IV Rank — 24.8%
2019-04-01: Largest Expected Move — 4.8%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$156.70	$154.43	$159.15	$154.50	$158.14
Max Pain	$154.67	$154.00	$156.00	$154.00	$156.00
ATM IV	15.0%	14.0%	16.2%	16.2%	15.1%
Expected Move	4.3%	4.0%	4.8%	4.8%	4.4%
HV 20d	14.2%	9.0%	17.8%	17.8%	11.4%
HV 60d	13.8%	13.3%	15.6%	15.6%	13.5%
IV Rank	19.3%	15.0%	24.8%	24.8%	19.7%
IV Percentile	49.3%	39.3%	58.7%	58.7%	52.0%
Term Structure	0.1%	-0.1%	0.5%	0.1%	0.1%
VWIV	16.2%	14.7%	18.4%	18.4%	15.4%
Skew 25d	4.1%	3.6%	4.5%	4.4%	4.5%
Skew 10d	8.1%	7.0%	9.1%	8.6%	9.1%
Call IV 25d	13.2%	12.5%	14.3%	14.3%	13.2%
Put IV 25d	17.3%	16.3%	18.7%	18.7%	17.7%
Bid-Ask Spread %	1.69	1.53	1.98	1.75	1.67
Gamma HHI	0.05	0.04	0.10	0.05	0.04
Net GEX	-227.3M	-837.0M	275.1M	-456.7M	-222.3M
Net DEX	246.9M	-2.28B	3.56B	2.53B	-260.7M
Net VEX	-73.5M	-76.4M	-69.3M	-76.4M	-72.8M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.60	0.94	2.69	1.84	1.21
Total Volume	264,392.19	145,666	397,837	212,175	252,270
Total OI	4,231,511.095	3,687,692	4,675,585	4,048,254	4,103,158

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
2019-04-01	$154.50	$154.00	16.2%	4.8%	17.8%	24.8%	18.4%	4.4%	0.1%	-456.7M	2.53B	-76.4M	1.84	1.75	74,789	137,386	1,163,411	2,884,843
2019-04-02	$154.43	$154.00	15.9%	4.7%	17.8%	23.2%	16.1%	4.1%	0.1%	-459.9M	2.62B	-76.4M	1.01	1.58	101,557	102,838	1,188,446	2,949,654
2019-04-03	$155.11	$154.00	16.1%	4.7%	16.2%	24.2%	17.3%	4.0%	0.1%	-271.7M	1.36B	-75.9M	1.62	1.53	112,753	182,552	1,229,049	2,978,338
2019-04-04	$155.68	$154.00	15.6%	4.5%	15.9%	22.1%	16.9%	3.9%	0.1%	-140.0M	490.8M	-75.2M	1.95	1.60	65,932	128,808	1,244,634	3,044,772
2019-04-05	$157.28	$154.00	14.5%	4.3%	16.1%	17.1%	16.5%	3.6%	0.2%	165.3M	-2.23B	-74.2M	1.34	1.53	161,725	217,423	1,270,492	3,101,515
2019-04-08	$156.92	$154.00	15.1%	4.4%	15.0%	19.6%	16.8%	4.1%	0.1%	-114.8M	-738.0M	-74.1M	1.40	1.60	92,605	129,415	1,253,704	3,002,126
2019-04-09	$155.44	$154.00	15.8%	4.6%	15.4%	23.0%	16.8%	4.4%	0.3%	-422.4M	1.68B	-76.0M	1.06	1.71	145,927	154,296	1,301,272	3,053,461
2019-04-10	$157.29	$154.00	15.0%	4.4%	15.9%	19.5%	16.0%	4.2%	0.4%	-17.1M	-1.36B	-74.6M	1.42	1.75	123,275	175,034	1,308,702	3,135,883
2019-04-11	$157.00	$155.00	15.2%	4.4%	15.8%	20.2%	16.0%	4.3%	0.2%	-143.0M	-699.0M	-75.8M	1.48	1.56	108,971	161,122	1,339,768	3,177,829
2019-04-12	$157.62	$155.00	14.3%	4.1%	15.9%	16.0%	15.7%	3.8%	0.0%	275.1M	-2.28B	-73.2M	1.47	1.80	91,716	135,137	1,369,749	3,228,596
2019-04-15	$156.90	$155.00	14.8%	4.2%	15.7%	18.2%	15.6%	4.1%	0.2%	-34.1M	-444.4M	-72.8M	1.84	1.68	51,234	94,432	1,297,345	3,141,465
2019-04-16	$157.25	$155.00	14.5%	4.2%	15.5%	17.2%	14.7%	4.1%	0.2%	123.2M	-1.09B	-71.4M	2.69	1.67	58,495	157,185	1,313,943	3,173,983
2019-04-17	$156.03	$155.00	15.1%	4.3%	15.6%	19.6%	17.7%	4.0%	0.2%	-361.0M	1.52B	-73.6M	2.53	1.68	112,750	285,087	1,333,016	3,242,052
2019-04-18	$155.61	$155.00	14.8%	4.2%	15.4%	18.3%	16.7%	4.0%	0.5%	-837.0M	2.56B	-73.9M	2.65	1.56	91,587	243,081	1,349,460	3,326,125
2019-04-22	$155.00	$155.00	15.4%	4.4%	9.0%	21.1%	16.5%	4.1%	-0.1%	-691.9M	3.56B	-72.0M	2.16	1.62	60,193	129,879	999,116	2,688,576
2019-04-23	$157.62	$155.00	14.4%	4.1%	10.5%	16.7%	15.4%	3.9%	-0.1%	-316.6M	-1.8M	-69.3M	1.14	1.98	137,517	157,071	1,025,801	2,765,535
2019-04-24	$158.28	$155.00	14.2%	4.0%	10.5%	15.5%	15.2%	3.9%	-0.1%	-211.2M	-561.4M	-71.4M	0.94	1.89	116,472	110,050	1,087,873	2,814,741
2019-04-25	$157.00	$155.00	14.7%	4.2%	11.1%	18.0%	16.1%	4.1%	-0.1%	-401.7M	1.12B	-72.4M	1.81	1.64	113,731	206,188	1,119,132	2,843,332
2019-04-26	$158.43	$155.00	14.0%	4.0%	11.3%	15.0%	15.7%	3.8%	-0.1%	-124.7M	-946.4M	-71.6M	0.97	1.84	138,645	133,945	1,133,817	2,919,834
2019-04-29	$159.15	$155.00	14.4%	4.2%	11.3%	16.4%	15.6%	4.0%	0.1%	-110.4M	-1.63B	-70.6M	1.16	1.86	138,491	160,672	1,123,809	2,833,376
2019-04-30	$158.14	$156.00	15.1%	4.4%	11.4%	19.7%	15.4%	4.5%	0.1%	-222.3M	-260.7M	-72.8M	1.21	1.67	114,260	138,010	1,193,654	2,909,504