OPK Options History — December 2014

In December 2014, OPK traded between $8.19 and $9.99. ATM implied volatility averaged 37.2%, placing in the 12.8% IV rank vs the trailing year. The 30-day expected move averaged 10.5%. IV traded above realized volatility by 5.9% (HV 20d: 31.3%). Max pain ranged from $8.00 to $8.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 4 of 22 days. Put/call ratio averaged 0.87.

Notable Days

2014-12-04: Highest Volume — 79,088 contracts
2014-12-12: Largest IV spike — 25.0% change
2014-12-16: Highest IV Rank — 19.4%
2014-12-17: Largest Expected Move — 12.5%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$8.98	$8.19	$9.99	$8.27	$9.99
Max Pain	$8.00	$8.00	$8.00	$8.00	$8.00
ATM IV	37.2%	30.8%	43.1%	31.2%	37.1%
Expected Move	10.5%	9.6%	12.5%	10.0%	10.1%
HV 20d	31.3%	14.9%	45.3%	19.2%	44.6%
HV 60d	26.8%	21.2%	32.0%	21.8%	31.9%
IV Rank	12.8%	5.6%	19.4%	6.1%	12.7%
IV Percentile	20.4%	0.8%	45.6%	0.8%	19.0%
Term Structure	-2.6%	-14.1%	6.3%	0.9%	-0.4%
VWIV	38.3%	32.9%	45.3%	38.8%	35.9%
Skew 25d	2.0%	-13.8%	18.8%	-4.9%	5.1%
Skew 10d	4.7%	-11.4%	19.5%	-5.1%	1.4%
Call IV 25d	36.6%	27.8%	45.4%	36.0%	29.3%
Put IV 25d	38.6%	30.8%	50.9%	31.1%	34.4%
Bid-Ask Spread %	74.00	22.21	102.51	37.67	41.79
Gamma HHI	0.63	0.37	0.85	0.52	0.85
Net GEX	1.6M	308.4K	3.3M	604.2K	3.3M
Net DEX	15.8M	-26.9M	48.0M	42.6M	-26.9M
Net VEX	-446.7K	-549.9K	-247.6K	-276.4K	-549.9K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.87	0.09	2.06	0.90	0.26
Total Volume	16,043.364	2,252	79,088	12,471	8,442
Total OI	416,151.455	386,633	441,165	386,633	414,220

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 Wall	Put Wall	Call Vol	Put Vol	Call OI	Put OI
2014-12-01	$8.27	$8.00	31.2%	10.0%	19.2%	6.1%	38.8%	-4.9%	0.9%	604.2K	42.6M	-276.4K	0.90	37.67	N/A	N/A	6,568	5,903	249,071	137,562
2014-12-02	$8.35	$8.00	33.5%	10.4%	19.6%	8.6%	42.7%	4.1%	-7.2%	614.3K	43.0M	-269.4K	1.02	32.05	N/A	N/A	5,610	5,734	249,701	137,343
2014-12-03	$8.32	$8.00	32.5%	9.8%	19.6%	7.5%	41.2%	4.3%	-1.4%	588.7K	42.6M	-268.2K	1.13	36.14	N/A	N/A	4,301	4,844	249,994	137,256
2014-12-04	$8.33	$8.00	30.8%	9.6%	19.6%	5.6%	36.0%	5.2%	6.3%	308.4K	48.0M	-247.6K	0.09	33.64	N/A	N/A	72,796	6,292	250,786	137,420
2014-12-05	$8.40	$8.00	33.9%	10.6%	19.7%	9.1%	34.8%	13.9%	5.5%	592.0K	37.8M	-376.7K	2.06	22.21	N/A	N/A	3,196	6,572	268,688	141,594
2014-12-08	$8.44	$8.00	40.8%	10.5%	19.1%	16.8%	35.1%	18.8%	-7.9%	858.0K	30.5M	-393.9K	1.38	88.06	N/A	N/A	8,218	11,361	269,079	141,335
2014-12-09	$8.57	$8.00	39.0%	10.6%	14.9%	14.8%	37.6%	0.7%	-4.6%	1.1M	30.8M	-414.6K	1.27	77.46	N/A	N/A	8,838	11,250	274,199	146,601
2014-12-10	$8.32	$8.00	42.3%	9.7%	17.8%	18.6%	37.8%	-3.2%	-11.9%	497.2K	42.0M	-425.0K	1.29	79.61	N/A	N/A	8,410	10,882	280,348	151,557
2014-12-11	$8.30	$8.00	33.6%	10.0%	16.8%	8.8%	39.2%	9.1%	0.1%	778.4K	41.9M	-422.3K	1.28	101.24	N/A	N/A	8,420	10,745	279,890	151,945
2014-12-12	$8.19	$8.00	42.0%	10.0%	17.4%	18.2%	38.8%	-13.8%	-14.1%	515.5K	45.4M	-402.6K	1.33	39.82	N/A	N/A	7,488	9,970	279,700	151,869
2014-12-15	$8.88	$8.00	40.7%	11.2%	33.7%	16.8%	41.0%	4.4%	-0.1%	1.3M	28.6M	-465.2K	0.68	88.11	N/A	N/A	10,496	7,188	279,734	152,476
2014-12-16	$8.71	$8.00	43.1%	11.7%	34.5%	19.4%	41.4%	3.6%	-0.2%	1.2M	30.7M	-449.8K	0.88	88.45	N/A	N/A	8,643	7,639	282,490	149,740
2014-12-17	$9.36	$8.00	42.2%	12.5%	42.3%	18.4%	45.3%	8.7%	-11.3%	2.0M	4.8M	-539.7K	0.96	81.36	N/A	N/A	10,450	10,046	284,052	149,816
2014-12-18	$9.47	$8.00	37.5%	11.6%	41.9%	13.1%	42.1%	2.3%	-1.1%	2.3M	-324.0K	-525.2K	0.36	85.48	N/A	N/A	10,986	3,997	287,782	149,919
2014-12-19	$9.60	$8.00	39.5%	11.5%	41.7%	15.4%	41.0%	0.6%	-2.0%	2.5M	-5.0M	-537.9K	0.28	92.43	N/A	N/A	5,432	1,511	291,027	150,138
2014-12-22	$9.80	$0.00	38.9%	10.8%	41.9%	14.7%	40.4%	2.7%	-2.4%	2.7M	-15.5M	-544.4K	0.38	101.73	N/A	N/A	8,286	3,118	276,653	133,752
2014-12-23	$9.43	$8.00	34.7%	9.6%	44.9%	10.0%	36.1%	-10.8%	-0.5%	2.5M	-5.1M	-532.8K	0.36	97.46	N/A	N/A	9,031	3,210	278,443	133,938
2014-12-24	$9.63	$8.00	38.4%	10.2%	45.2%	14.1%	34.9%	-11.2%	-3.2%	2.6M	-14.9M	-549.0K	0.60	102.51	N/A	N/A	5,494	3,318	279,696	134,102
2014-12-26	$9.64	$8.00	33.7%	10.7%	45.3%	8.9%	34.6%	0.4%	-0.4%	2.8M	-14.0M	-544.5K	0.63	101.63	N/A	N/A	5,500	3,475	279,970	134,142
2014-12-29	$9.77	$8.00	36.9%	10.5%	45.2%	12.5%	32.9%	0.9%	-1.6%	2.9M	-18.5M	-545.4K	1.82	97.33	N/A	N/A	2,495	4,547	279,588	133,617
2014-12-30	$9.85	$8.00	36.0%	10.3%	44.6%	11.5%	35.5%	3.3%	-0.7%	3.2M	-20.1M	-547.5K	0.17	101.82	N/A	N/A	1,929	323	279,049	135,050
2014-12-31	$9.99	$8.00	37.1%	10.1%	44.6%	12.7%	35.9%	5.1%	-0.4%	3.3M	-26.9M	-549.9K	0.26	41.79	N/A	N/A	6,716	1,726	279,202	135,018