OPK Options History — September 2012

In September 2012, OPK traded between $4.11 and $4.50. ATM implied volatility averaged 38.6%, placing in the 29.7% IV rank vs the trailing year. The 30-day expected move averaged 11.8%. IV traded above realized volatility by 17.7% (HV 20d: 20.9%). Max pain ranged from $3.00 to $5.00. Net GEX was positive for 1 of 19 trading days. Term structure was in contango for 16 of 19 days. Put/call ratio averaged 4.31.

Notable Days

2012-09-14: Highest Volume — 2,017 contracts
2012-09-20: Largest IV spike — 53.9% change
2012-09-26: Highest IV Rank — 57.1%
2012-09-11: Largest Expected Move — 15.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$4.35	$4.11	$4.50	$4.50	$4.18
Max Pain	$4.00	$3.00	$5.00	$5.00	$4.00
ATM IV	38.6%	28.7%	49.5%	32.9%	38.8%
Expected Move	11.8%	8.2%	15.1%	9.4%	11.1%
HV 20d	20.9%	17.6%	22.6%	19.1%	22.6%
HV 60d	23.1%	22.0%	24.1%	23.6%	23.2%
IV Rank	29.7%	8.5%	57.1%	13.3%	32.2%
IV Percentile	30.1%	1.2%	71.8%	7.5%	26.6%
Term Structure	9.1%	-5.8%	29.0%	-4.1%	2.0%
VWIV	45.6%	26.9%	70.3%	37.5%	48.8%
Skew 25d	8.1%	-19.1%	114.9%	5.3%	3.8%
Skew 10d	18.0%	-7.3%	141.0%	-0.4%	30.8%
Call IV 25d	40.2%	26.6%	58.5%	26.6%	37.7%
Put IV 25d	48.3%	31.8%	145.0%	31.9%	41.5%
Bid-Ask Spread %	58.05	15.87	105.18	15.87	17.42
Gamma HHI	0.54	0.33	0.68	0.68	0.33
Net GEX	-10.9K	-25.9K	118	-25.9K	118
Net DEX	1.4M	160.5K	2.3M	1.9M	160.5K
Net VEX	-7.1K	-8.6K	-6.1K	-8.3K	-7.0K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	4.31	0.00	64.06	0.01	0.00
Total Volume	409.263	0	2,017	346	40
Total OI	15,877.421	9,735	18,614	18,187	11,222

Daily Data (19 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
2012-09-04	$4.50	$5.00	32.9%	9.4%	19.1%	13.3%	37.5%	5.3%	-4.1%	-25.9K	1.9M	-8.3K	0.01	15.87	N/A	N/A	344	2	7,638	10,549
2012-09-05	$4.47	$5.00	31.0%	8.9%	19.3%	10.1%	47.4%	4.2%	20.8%	-24.5K	1.9M	-8.4K	0.38	27.86	N/A	N/A	65	25	7,740	10,549
2012-09-06	$4.50	$5.00	30.0%	8.6%	19.3%	8.5%	70.3%	6.3%	0.6%	-22.3K	1.7M	-8.6K	1.25	28.71	N/A	N/A	161	202	7,785	10,552
2012-09-07	$4.50	$3.00	36.1%	12.6%	19.2%	18.5%	0.0%	114.9%	18.7%	-20.0K	1.7M	-8.6K	0.00	65.77	N/A	N/A	0	0	7,923	10,441
2012-09-10	$4.38	$3.00	37.0%	14.3%	22.0%	20.0%	50.5%	16.0%	7.8%	-10.4K	2.3M	-6.4K	0.53	95.77	N/A	N/A	51	27	7,923	10,441
2012-09-11	$4.40	$4.00	37.5%	15.1%	21.9%	21.5%	52.6%	23.6%	1.0%	-19.5K	2.0M	-7.6K	0.81	89.51	N/A	N/A	114	92	7,945	10,468
2012-09-12	$4.37	$4.00	35.6%	14.2%	21.1%	18.3%	50.5%	-5.1%	5.9%	-7.2K	2.2M	-6.8K	0.25	94.76	N/A	N/A	134	33	8,014	10,540
2012-09-13	$4.45	$4.00	33.2%	9.5%	21.7%	19.2%	30.5%	-13.5%	24.9%	-21.7K	1.9M	-7.5K	7.45	105.18	N/A	N/A	31	231	8,042	10,572
2012-09-14	$4.45	$4.00	33.6%	9.6%	20.9%	20.3%	30.9%	-17.4%	19.8%	-16.2K	2.0M	-7.1K	64.06	99.46	N/A	N/A	31	1,986	8,071	10,381
2012-09-17	$4.43	$4.00	37.0%	10.6%	21.0%	28.1%	26.9%	3.9%	9.1%	-6.8K	1.3M	-6.6K	0.00	85.42	N/A	N/A	64	0	8,072	8,533
2012-09-18	$4.44	$4.00	48.3%	13.8%	20.6%	54.4%	49.9%	-0.6%	6.7%	-6.6K	1.3M	-6.6K	0.46	97.22	N/A	N/A	13	6	8,116	8,533
2012-09-19	$4.40	$4.00	28.7%	8.2%	20.2%	9.0%	41.5%	-16.8%	29.0%	-6.8K	1.4M	-6.2K	0.92	35.34	N/A	N/A	264	243	8,023	8,538
2012-09-20	$4.28	$4.00	44.2%	12.7%	21.8%	44.9%	0.0%	-19.1%	-5.8%	-4.5K	1.4M	-6.1K	0.47	51.87	N/A	N/A	367	171	8,081	8,515
2012-09-21	$4.28	$4.00	41.1%	11.8%	17.6%	37.6%	48.0%	4.2%	22.7%	-3.8K	1.3M	-6.3K	0.27	39.60	N/A	N/A	1,016	279	8,295	8,332
2012-09-24	$4.11	$3.00	45.3%	13.0%	22.1%	47.4%	45.3%	8.2%	6.6%	-4.9K	383.8K	-6.2K	0.57	39.21	N/A	N/A	344	196	5,105	4,630
2012-09-25	$4.13	$4.00	45.3%	13.0%	22.3%	47.4%	53.9%	14.3%	2.0%	-4.0K	391.1K	-6.4K	0.06	52.06	N/A	N/A	632	35	5,368	4,826
2012-09-26	$4.14	$4.00	49.5%	14.2%	22.2%	57.1%	0.0%	10.9%	-1.1%	-1.6K	371.7K	-6.4K	0.00	38.13	N/A	N/A	417	2	5,941	4,856
2012-09-27	$4.18	$4.00	49.3%	14.1%	22.6%	56.6%	48.8%	10.8%	5.8%	-1.3K	202.4K	-7.0K	0.00	23.77	N/A	N/A	158	0	6,257	4,854
2012-09-28	$4.18	$4.00	38.8%	11.1%	22.6%	32.2%	0.0%	3.8%	2.0%	118	160.5K	-7.0K	0.00	17.42	N/A	N/A	40	0	6,368	4,854