OPK Options History — July 2013

In July 2013, OPK traded between $7.18 and $7.72. ATM implied volatility averaged 34.9%, placing in the 23.0% IV rank vs the trailing year. The 30-day expected move averaged 10.6%. IV traded above realized volatility by 9.2% (HV 20d: 25.7%). Max pain ranged from $7.00 to $8.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 20 of 22 days. Put/call ratio averaged 0.44.

Notable Days

2013-07-30: Highest Volume — 46,275 contracts
2013-07-11: Largest IV spike — 30.3% change
2013-07-22: Highest IV Rank — 45.5%
2013-07-22: Largest Expected Move — 13.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$7.46	$7.18	$7.72	$7.40	$7.45
Max Pain	$7.14	$7.00	$8.00	$7.00	$8.00
ATM IV	34.9%	21.8%	47.4%	25.9%	41.3%
Expected Move	10.6%	7.4%	13.6%	7.4%	11.8%
HV 20d	25.7%	19.1%	36.0%	36.0%	19.1%
HV 60d	29.2%	27.1%	31.3%	31.1%	27.1%
IV Rank	23.0%	0.0%	45.5%	6.2%	34.8%
IV Percentile	25.5%	0.0%	66.3%	2.4%	42.9%
Term Structure	16.6%	-1.6%	45.6%	19.3%	4.4%
VWIV	32.6%	13.0%	48.0%	31.5%	38.8%
Skew 25d	16.6%	-13.2%	53.2%	-1.9%	15.8%
Skew 10d	32.4%	-17.3%	110.1%	-3.0%	8.6%
Call IV 25d	38.3%	26.5%	44.9%	39.4%	26.5%
Put IV 25d	54.9%	31.6%	96.4%	37.4%	42.3%
Bid-Ask Spread %	18.00	8.43	81.86	14.62	9.65
Gamma HHI	0.61	0.39	0.87	0.39	0.80
Net GEX	675.6K	249.8K	1.1M	491.9K	889.8K
Net DEX	-25.9M	-36.7M	-18.6M	-22.5M	-20.4M
Net VEX	-154.2K	-173.1K	-132.4K	-147.4K	-152.8K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.44	0.02	1.43	0.12	0.50
Total Volume	10,224.864	1,456	46,275	14,183	5,351
Total OI	153,289.909	127,381	169,875	127,381	168,162

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
2013-07-01	$7.40	$7.00	25.9%	7.4%	36.0%	6.2%	31.5%	-1.9%	19.3%	491.9K	-22.5M	-147.4K	0.12	14.62	N/A	N/A	12,713	1,470	84,242	43,139
2013-07-02	$7.28	$7.00	31.8%	9.1%	34.8%	16.6%	31.7%	-13.2%	-0.4%	392.6K	-20.0M	-161.3K	1.01	11.66	N/A	N/A	2,151	2,168	84,997	44,235
2013-07-03	$7.18	$7.00	32.8%	9.4%	32.1%	18.4%	39.3%	-4.3%	13.8%	482.7K	-18.6M	-153.6K	1.43	13.15	N/A	N/A	625	895	86,247	45,882
2013-07-05	$7.25	$7.00	29.8%	11.1%	25.6%	13.1%	37.1%	50.2%	13.5%	428.5K	-18.7M	-160.6K	1.13	16.80	N/A	N/A	1,773	2,008	86,675	46,637
2013-07-08	$7.31	$7.00	30.9%	12.3%	25.2%	15.1%	42.1%	49.8%	3.2%	427.7K	-21.3M	-155.8K	0.20	20.46	N/A	N/A	1,825	371	88,226	48,482
2013-07-09	$7.21	$7.00	28.1%	11.0%	26.1%	10.0%	37.6%	52.6%	13.1%	529.4K	-21.1M	-138.1K	0.12	20.03	N/A	N/A	13,221	1,639	88,758	48,574
2013-07-10	$7.22	$7.00	21.8%	11.1%	26.1%	0.0%	41.1%	53.1%	11.9%	249.8K	-22.6M	-134.8K	0.57	20.40	N/A	N/A	1,715	980	90,631	49,829
2013-07-11	$7.31	$7.00	28.3%	8.1%	26.0%	11.7%	30.6%	53.2%	31.2%	525.8K	-23.8M	-132.4K	0.32	8.43	N/A	N/A	10,679	3,369	91,676	50,399
2013-07-12	$7.46	$7.00	28.4%	8.1%	26.2%	11.8%	32.3%	-7.4%	30.8%	595.3K	-29.1M	-141.7K	0.33	11.68	N/A	N/A	7,938	2,585	98,275	52,845
2013-07-15	$7.39	$7.00	32.2%	9.2%	26.7%	18.5%	39.3%	13.1%	41.7%	752.4K	-30.8M	-149.3K	1.00	13.60	N/A	N/A	2,734	2,745	104,447	54,595
2013-07-16	$7.44	$7.00	32.2%	9.2%	24.1%	18.6%	13.0%	27.4%	39.3%	756.8K	-29.5M	-144.0K	0.11	9.03	N/A	N/A	25,068	2,831	103,416	56,456
2013-07-17	$7.48	$7.00	32.9%	9.4%	24.0%	19.9%	16.0%	25.8%	45.6%	726.1K	-26.7M	-169.3K	0.72	34.88	N/A	N/A	4,545	3,278	103,554	58,409
2013-07-18	$7.67	$7.00	39.8%	11.4%	24.7%	32.0%	29.4%	0.6%	20.5%	812.8K	-32.7M	-159.6K	0.43	12.93	N/A	N/A	5,587	2,422	105,434	60,624
2013-07-19	$7.72	$7.00	44.6%	12.8%	24.1%	40.7%	32.8%	3.8%	12.0%	759.7K	-33.3M	-173.1K	0.24	10.01	N/A	N/A	4,668	1,142	107,535	61,705
2013-07-22	$7.72	$7.00	47.4%	13.6%	24.1%	45.5%	48.0%	9.2%	14.3%	719.9K	-34.0M	-169.5K	0.48	10.34	N/A	N/A	7,242	3,498	107,011	58,567
2013-07-23	$7.72	$7.00	38.8%	11.1%	23.1%	30.2%	36.1%	3.4%	13.0%	881.0K	-36.7M	-163.1K	0.38	32.14	N/A	N/A	7,255	2,776	108,804	61,071
2013-07-24	$7.57	$7.00	41.5%	11.9%	24.8%	35.1%	37.1%	10.0%	9.9%	745.4K	-23.5M	-163.9K	0.14	11.87	N/A	N/A	13,455	1,932	99,420	63,034
2013-07-25	$7.64	$7.00	39.0%	11.2%	24.8%	30.6%	21.3%	3.4%	14.1%	1.1M	-29.0M	-151.4K	0.02	81.86	N/A	N/A	7,029	170	100,233	63,692
2013-07-26	$7.68	$7.00	41.9%	12.0%	23.7%	35.9%	39.3%	5.1%	11.0%	1.1M	-31.6M	-144.1K	0.30	11.59	N/A	N/A	4,137	1,226	100,750	63,742
2013-07-29	$7.61	$8.00	45.9%	13.2%	23.8%	42.9%	24.7%	0.6%	5.1%	780.9K	-24.2M	-160.0K	0.03	12.05	N/A	N/A	1,413	43	101,494	64,426
2013-07-30	$7.50	$8.00	32.7%	9.4%	19.9%	19.4%	18.1%	14.0%	-1.6%	762.6K	-20.7M	-166.7K	0.04	8.76	N/A	N/A	44,674	1,601	101,604	64,444
2013-07-31	$7.45	$8.00	41.3%	11.8%	19.1%	34.8%	38.8%	15.8%	4.4%	889.8K	-20.4M	-152.8K	0.50	9.65	N/A	N/A	3,562	1,789	102,822	65,340