OPK Options History — July 2014

In July 2014, OPK traded between $8.56 and $9.13. ATM implied volatility averaged 43.4%, placing in the 22.5% IV rank vs the trailing year. The 30-day expected move averaged 16.5%. IV traded above realized volatility by 13.8% (HV 20d: 29.7%). Max pain ranged from $7.00 to $9.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 22 of 22 days. Put/call ratio averaged 0.54.

Notable Days

2014-07-11: Highest Volume — 18,435 contracts
2014-07-09: Largest IV spike — 12.7% change
2014-07-10: Highest IV Rank — 37.1%
2014-07-10: Largest Expected Move — 18.4%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$8.82	$8.56	$9.13	$8.87	$8.82
Max Pain	$8.20	$7.00	$9.00	$8.00	$9.00
ATM IV	43.4%	38.2%	50.2%	40.3%	44.3%
Expected Move	16.5%	15.0%	18.4%	16.1%	15.0%
HV 20d	29.7%	27.2%	33.2%	33.1%	27.8%
HV 60d	31.5%	29.6%	35.2%	35.1%	29.8%
IV Rank	22.5%	10.2%	37.1%	25.4%	19.9%
IV Percentile	17.3%	3.6%	38.5%	10.3%	20.6%
Term Structure	6.5%	1.8%	10.9%	5.5%	5.9%
VWIV	56.8%	53.6%	61.2%	56.1%	54.5%
Skew 25d	-3.3%	-17.2%	10.9%	-17.2%	10.9%
Skew 10d	1.1%	-23.0%	19.2%	-15.8%	11.1%
Call IV 25d	46.4%	33.7%	55.9%	45.3%	36.9%
Put IV 25d	43.1%	25.7%	50.8%	28.1%	47.8%
Bid-Ask Spread %	33.53	27.76	50.88	36.56	29.28
Gamma HHI	0.50	0.42	0.54	0.52	0.47
Net GEX	736.6K	564.1K	842.7K	814.6K	751.3K
Net DEX	42.6M	34.9M	50.9M	42.6M	43.1M
Net VEX	-543.7K	-587.8K	-506.5K	-541.0K	-508.8K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.54	0.22	1.52	0.30	0.48
Total Volume	5,481.409	459	18,435	1,431	1,787
Total OI	453,051.682	437,241	473,740	444,463	447,599

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
2014-07-01	$8.87	$8.00	40.3%	16.1%	33.1%	25.4%	56.1%	-17.2%	5.5%	814.6K	42.6M	-541.0K	0.30	36.56	N/A	N/A	1,101	330	266,941	177,522
2014-07-02	$8.77	$8.00	40.3%	15.9%	33.2%	25.4%	54.8%	-10.4%	8.3%	768.7K	49.9M	-506.5K	0.56	36.24	N/A	N/A	981	547	267,133	177,736
2014-07-03	$8.95	$8.00	39.5%	16.1%	27.8%	24.3%	56.0%	-2.6%	5.5%	839.3K	44.6M	-542.7K	0.22	40.27	N/A	N/A	376	83	267,812	178,079
2014-07-07	$8.68	$8.00	39.7%	17.5%	29.6%	24.6%	58.6%	-11.5%	6.8%	709.3K	44.3M	-537.1K	0.57	35.15	N/A	N/A	9,067	5,139	267,801	178,119
2014-07-08	$8.56	$8.00	41.1%	17.5%	29.2%	26.5%	59.6%	-8.5%	4.9%	665.9K	50.9M	-529.7K	0.38	30.55	N/A	N/A	11,056	4,255	275,355	182,869
2014-07-09	$8.70	$8.00	46.3%	17.9%	29.8%	33.7%	60.1%	-3.3%	3.0%	758.7K	46.7M	-572.5K	0.28	34.99	N/A	N/A	4,518	1,283	279,371	183,374
2014-07-10	$8.77	$8.00	48.9%	18.4%	29.7%	37.1%	61.2%	-9.6%	8.1%	724.3K	39.6M	-578.3K	0.38	39.88	N/A	N/A	6,883	2,591	277,912	179,920
2014-07-11	$8.99	$8.00	48.7%	16.5%	31.1%	30.7%	56.9%	-2.2%	1.8%	817.6K	34.9M	-587.5K	0.48	27.94	N/A	N/A	12,442	5,993	278,916	179,589
2014-07-14	$8.86	$8.00	46.4%	17.7%	31.4%	27.1%	58.3%	-5.1%	5.8%	842.7K	35.9M	-583.3K	0.50	34.30	N/A	N/A	1,922	952	284,785	182,825
2014-07-15	$8.73	$8.00	48.8%	17.4%	30.9%	26.9%	58.5%	-4.6%	3.8%	800.7K	40.9M	-574.1K	1.20	36.14	N/A	N/A	2,706	3,240	285,648	183,435
2014-07-16	$8.76	$8.00	49.6%	17.7%	28.7%	28.2%	57.3%	-7.4%	2.2%	798.6K	39.8M	-587.8K	0.36	34.55	N/A	N/A	938	341	287,680	185,738
2014-07-17	$8.60	$8.00	50.2%	16.9%	29.1%	29.3%	58.7%	-9.5%	4.2%	647.6K	47.4M	-547.2K	1.30	33.56	N/A	N/A	4,046	5,244	285,316	185,175
2014-07-18	$8.62	$8.00	45.4%	16.9%	29.0%	21.6%	57.6%	-1.1%	4.8%	681.0K	48.3M	-543.7K	1.52	32.99	N/A	N/A	1,339	2,042	286,676	187,064
2014-07-21	$8.68	$0.00	42.6%	15.9%	29.3%	17.2%	0.0%	-0.6%	8.1%	564.1K	50.5M	-519.8K	0.33	50.88	N/A	N/A	1,558	507	262,569	180,188
2014-07-22	$8.67	$0.00	41.7%	15.6%	28.6%	15.7%	58.3%	-0.6%	9.7%	573.9K	45.8M	-541.1K	0.22	27.76	N/A	N/A	2,892	641	263,637	180,596
2014-07-23	$9.02	$7.00	40.6%	15.7%	30.2%	14.0%	55.3%	2.7%	10.6%	680.8K	39.5M	-536.2K	0.28	29.30	N/A	N/A	4,684	1,290	262,376	178,123
2014-07-24	$9.13	$9.00	39.6%	15.8%	30.2%	12.4%	54.0%	1.1%	10.3%	726.4K	36.7M	-528.1K	0.57	29.00	N/A	N/A	5,457	3,114	261,487	175,754
2014-07-25	$9.00	$9.00	38.2%	15.6%	30.1%	10.2%	53.6%	1.6%	10.9%	727.4K	38.1M	-538.5K	0.24	29.12	N/A	N/A	2,331	559	265,086	178,559
2014-07-28	$8.93	$9.00	41.2%	15.6%	28.8%	14.9%	55.1%	0.7%	9.3%	748.6K	39.2M	-519.4K	0.56	29.67	N/A	N/A	1,129	630	266,677	178,980
2014-07-29	$9.05	$8.00	40.5%	15.9%	27.2%	13.8%	54.2%	2.5%	7.2%	773.3K	38.6M	-518.8K	0.60	30.38	N/A	N/A	1,378	831	266,990	178,992
2014-07-30	$8.94	$9.00	42.0%	15.3%	27.6%	16.2%	53.9%	1.3%	7.2%	789.6K	38.8M	-518.1K	0.54	29.25	N/A	N/A	1,546	842	267,825	178,908
2014-07-31	$8.82	$9.00	44.3%	15.0%	27.8%	19.9%	54.5%	10.9%	5.9%	751.3K	43.1M	-508.8K	0.48	29.28	N/A	N/A	1,205	582	268,488	179,111