OPK Options History — March 2018

In March 2018, OPK traded between $3.12 and $3.60. ATM implied volatility averaged 59.1%, placing in the 36.0% IV rank vs the trailing year. The 30-day expected move averaged 18.6%. IV traded below realized volatility by 11.3% (HV 20d: 70.4%). Max pain ranged from $3.00 to $5.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 7 of 21 days. Put/call ratio averaged 0.54.

Notable Days

2018-03-09: Highest Volume — 16,810 contracts
2018-03-15: Largest IV spike — 403.9% change
2018-03-08: Highest IV Rank — 100.0%
2018-03-01: Largest Expected Move — 35.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$3.36	$3.12	$3.60	$3.19	$3.17
Max Pain	$3.36	$3.00	$5.00	$5.00	$3.00
ATM IV	59.1%	8.4%	164.1%	22.6%	65.7%
Expected Move	18.6%	2.4%	35.6%	35.6%	17.4%
HV 20d	70.4%	53.1%	81.1%	53.1%	70.7%
HV 60d	55.6%	48.6%	59.4%	48.6%	59.4%
IV Rank	36.0%	0.0%	100.0%	0.0%	36.8%
IV Percentile	60.9%	0.0%	100.0%	0.0%	89.3%
Term Structure	-7.4%	-113.2%	94.4%	39.5%	-11.3%
VWIV	72.0%	45.5%	132.5%	132.5%	60.0%
Skew 25d	-15.7%	-119.6%	18.1%	-64.0%	-2.1%
Skew 10d	-10.7%	-96.3%	39.0%	-24.2%	0.2%
Call IV 25d	79.0%	40.4%	146.1%	92.7%	56.4%
Put IV 25d	63.3%	2.0%	140.9%	28.6%	54.4%
Bid-Ask Spread %	119.22	71.23	167.74	122.72	71.23
Gamma HHI	0.23	0.19	0.30	0.25	0.27
Net GEX	65.5K	48.3K	117.6K	52.5K	53.9K
Net DEX	7.4M	3.6M	11.1M	8.3M	5.2M
Net VEX	-112.0K	-138.7K	-88.5K	-109.8K	-98.8K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.54	0.17	1.04	0.25	0.88
Total Volume	8,197.333	3,661	16,810	12,814	4,184
Total OI	158,753.095	133,167	181,886	171,755	134,396

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 Wall	Put Wall	Call Vol	Put Vol	Call OI	Put OI
2018-03-01	$3.19	$5.00	22.6%	35.6%	53.1%	0.0%	132.5%	-64.0%	39.5%	52.5K	8.3M	-109.8K	0.25	122.72	N/A	N/A	10,243	2,571	110,158	61,597
2018-03-02	$3.37	$5.00	79.6%	31.6%	58.8%	66.7%	93.1%	-30.9%	32.8%	60.3K	7.4M	-130.3K	0.42	133.79	N/A	N/A	8,865	3,749	112,847	62,003
2018-03-05	$3.54	$3.00	51.2%	15.4%	61.9%	33.5%	51.0%	-23.7%	25.4%	70.4K	9.4M	-113.4K	0.49	122.18	N/A	N/A	7,827	3,836	113,157	59,106
2018-03-06	$3.42	$3.00	35.6%	19.7%	62.4%	20.2%	62.4%	11.0%	-2.4%	66.2K	10.2M	-103.1K	0.40	96.54	N/A	N/A	7,917	3,193	114,232	59,685
2018-03-07	$3.34	$4.00	52.5%	16.2%	59.6%	46.2%	52.5%	-119.6%	-28.3%	57.6K	10.1M	-101.1K	0.42	111.64	N/A	N/A	6,161	2,610	114,562	59,802
2018-03-08	$3.32	$4.00	109.4%	16.3%	58.8%	100.0%	66.9%	-105.4%	-53.4%	66.2K	11.1M	-88.5K	0.43	125.00	N/A	N/A	5,708	2,472	115,262	59,726
2018-03-09	$3.60	$4.00	56.1%	22.8%	66.9%	38.7%	76.7%	-9.3%	-113.2%	83.3K	9.6M	-112.1K	0.17	107.95	N/A	N/A	14,356	2,454	115,403	59,295
2018-03-12	$3.57	$3.00	164.1%	21.7%	65.5%	100.0%	64.8%	-18.0%	-102.2%	117.6K	8.5M	-122.1K	0.34	111.62	N/A	N/A	7,142	2,401	121,533	58,785
2018-03-13	$3.31	$3.00	29.2%	18.5%	69.6%	4.7%	86.2%	-25.5%	50.8%	77.5K	8.9M	-109.5K	0.30	153.94	N/A	N/A	7,021	2,094	121,896	59,049
2018-03-14	$3.35	$3.00	8.8%	26.7%	69.9%	0.0%	99.1%	-5.2%	94.4%	57.3K	7.8M	-117.7K	0.38	130.96	N/A	N/A	6,849	2,629	122,091	59,017
2018-03-15	$3.27	$3.00	44.5%	27.8%	69.7%	23.0%	102.3%	2.4%	60.5%	48.3K	8.8M	-108.4K	0.30	141.41	N/A	N/A	7,170	2,168	122,278	59,113
2018-03-16	$3.60	$3.00	95.6%	18.0%	79.1%	55.9%	61.8%	14.1%	-36.2%	71.3K	6.1M	-138.7K	0.38	105.12	N/A	N/A	8,693	3,321	122,763	59,123
2018-03-19	$3.54	$3.00	54.8%	12.3%	78.9%	29.6%	67.7%	2.5%	-20.0%	69.9K	4.6M	-130.9K	0.82	150.75	N/A	N/A	2,657	2,188	83,027	50,140
2018-03-20	$3.31	$3.00	59.6%	14.3%	81.1%	32.7%	71.0%	2.7%	-8.2%	58.9K	7.2M	-102.7K	0.76	132.67	N/A	N/A	2,751	2,080	84,223	50,369
2018-03-21	$3.37	$3.00	8.4%	2.4%	80.7%	0.0%	65.6%	11.7%	-7.8%	73.7K	3.6M	-130.9K	1.04	160.72	N/A	N/A	1,950	2,021	84,898	50,716
2018-03-22	$3.33	$3.50	14.9%	4.0%	80.6%	4.2%	45.5%	16.3%	1.0%	58.8K	4.4M	-124.0K	0.89	167.74	N/A	N/A	2,358	2,093	85,033	50,696
2018-03-23	$3.27	$3.00	71.5%	21.0%	78.5%	40.5%	64.4%	-11.8%	-9.6%	56.8K	5.9M	-109.8K	0.90	74.50	N/A	N/A	2,335	2,097	85,565	50,792
2018-03-26	$3.32	$3.00	67.8%	14.6%	78.8%	38.2%	64.6%	18.1%	-20.2%	59.9K	5.9M	-109.0K	0.72	92.35	N/A	N/A	2,930	2,113	84,744	49,130
2018-03-27	$3.19	$3.00	72.4%	16.4%	79.7%	41.1%	58.6%	-5.5%	-7.5%	54.6K	6.4M	-94.5K	0.45	99.71	N/A	N/A	3,643	1,633	85,484	47,887
2018-03-28	$3.12	$3.00	77.5%	18.3%	73.9%	44.4%	66.4%	11.7%	-38.5%	59.8K	5.8M	-96.4K	0.62	91.14	N/A	N/A	2,261	1,400	87,510	46,722
2018-03-29	$3.17	$3.00	65.7%	17.4%	70.7%	36.8%	60.0%	-2.1%	-11.3%	53.9K	5.2M	-98.8K	0.88	71.23	N/A	N/A	2,221	1,963	87,920	46,476