OPK Options History — September 2016

In September 2016, OPK traded between $9.28 and $11.21. ATM implied volatility averaged 37.0%, placing in the 11.4% IV rank vs the trailing year. The 30-day expected move averaged 10.2%. IV traded above realized volatility by 10.8% (HV 20d: 26.1%). Max pain ranged from $9.00 to $15.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 13 of 21 days. Put/call ratio averaged 0.68.

Notable Days

2016-09-14: Highest Volume — 71,793 contracts
2016-09-08: Largest IV drop — 11.8% change
2016-09-29: Highest IV Rank — 20.0%
2016-09-29: Largest Expected Move — 11.1%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$10.26	$9.28	$11.21	$9.28	$10.60
Max Pain	$10.33	$9.00	$15.00	$15.00	$10.00
ATM IV	37.0%	32.6%	42.0%	39.1%	41.5%
Expected Move	10.2%	9.2%	11.1%	10.6%	10.6%
HV 20d	26.1%	21.8%	29.3%	22.9%	27.4%
HV 60d	29.0%	22.7%	33.6%	33.6%	23.5%
IV Rank	11.4%	4.0%	20.0%	15.0%	19.2%
IV Percentile	11.0%	2.0%	26.6%	13.1%	25.4%
Term Structure	1.2%	-2.1%	5.9%	0.2%	-2.1%
VWIV	36.7%	29.3%	43.3%	38.1%	40.2%
Skew 25d	3.0%	-1.9%	7.0%	7.0%	4.9%
Skew 10d	10.3%	-4.7%	21.5%	12.3%	10.9%
Call IV 25d	38.9%	31.6%	43.9%	38.4%	39.7%
Put IV 25d	41.9%	36.7%	46.2%	45.4%	44.6%
Bid-Ask Spread %	67.77	21.55	111.84	21.57	59.17
Gamma HHI	0.32	0.23	0.53	0.31	0.24
Net GEX	1.1M	685.9K	1.5M	685.9K	1.3M
Net DEX	29.3M	-15.1M	67.0M	57.5M	10.0M
Net VEX	-514.3K	-660.7K	-397.3K	-397.3K	-590.0K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.68	0.34	0.99	0.70	0.62
Total Volume	22,878.286	16,215	71,793	17,039	16,215
Total OI	361,222.143	320,096	449,353	364,213	354,386

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
2016-09-01	$9.28	$15.00	39.1%	10.6%	22.9%	15.0%	38.1%	7.0%	0.2%	685.9K	57.5M	-397.3K	0.70	21.57	N/A	N/A	10,032	7,007	227,485	136,728
2016-09-02	$9.31	$15.00	39.8%	10.7%	22.4%	16.3%	36.5%	1.9%	-1.2%	728.8K	57.0M	-399.6K	0.81	21.55	N/A	N/A	9,026	7,307	228,771	136,917
2016-09-06	$9.36	$9.00	37.0%	11.0%	22.5%	11.4%	38.4%	4.5%	-0.1%	781.1K	55.3M	-400.4K	0.66	54.96	N/A	N/A	12,116	8,010	227,990	136,791
2016-09-07	$9.53	$9.00	37.9%	10.8%	23.8%	12.9%	38.0%	5.1%	-1.8%	864.6K	54.2M	-407.6K	0.77	29.28	N/A	N/A	10,337	7,939	226,955	137,537
2016-09-08	$9.93	$9.00	33.4%	9.7%	27.5%	5.3%	35.8%	-0.2%	2.0%	1.0M	47.9M	-418.1K	0.79	77.56	N/A	N/A	11,233	8,870	227,704	137,574
2016-09-09	$9.74	$10.00	36.4%	10.6%	27.9%	10.5%	29.3%	1.1%	1.4%	971.3K	50.1M	-416.8K	0.87	67.00	N/A	N/A	10,864	9,451	228,840	138,361
2016-09-12	$9.85	$10.00	36.8%	10.7%	28.2%	11.1%	35.2%	4.2%	0.6%	971.5K	50.4M	-418.8K	0.84	91.98	N/A	N/A	10,941	9,154	228,985	138,202
2016-09-13	$10.03	$10.00	37.6%	10.5%	29.0%	12.4%	37.5%	2.7%	-1.0%	1.0M	44.0M	-432.6K	0.85	87.20	N/A	N/A	11,402	9,681	229,457	138,547
2016-09-14	$10.16	$10.00	37.4%	10.8%	29.3%	12.2%	36.8%	2.1%	0.6%	1.5M	40.8M	-429.7K	0.92	93.56	N/A	N/A	37,428	34,365	230,118	138,933
2016-09-15	$10.24	$10.00	36.2%	10.0%	28.8%	10.1%	37.4%	-0.8%	-1.0%	1.1M	60.3M	-546.4K	0.77	97.44	N/A	N/A	18,968	14,638	262,337	172,109
2016-09-16	$10.21	$10.00	35.9%	10.2%	28.8%	9.6%	37.7%	-1.9%	-1.5%	937.3K	67.0M	-539.0K	0.65	98.63	N/A	N/A	11,980	7,760	270,160	179,193
2016-09-19	$10.31	$10.00	32.9%	9.4%	28.9%	4.5%	31.7%	5.5%	5.9%	982.6K	14.8M	-542.2K	0.78	90.39	N/A	N/A	9,394	7,346	201,991	118,105
2016-09-20	$10.49	$10.00	32.6%	9.3%	29.1%	4.0%	35.5%	4.8%	5.2%	1.1M	12.7M	-550.9K	0.99	94.99	N/A	N/A	15,257	15,124	203,244	118,396
2016-09-21	$10.67	$10.00	33.7%	9.7%	27.7%	5.8%	41.0%	6.5%	5.3%	1.1M	14.0M	-574.6K	0.49	111.84	N/A	N/A	11,137	5,442	210,927	126,042
2016-09-22	$10.86	$10.00	33.0%	9.2%	24.3%	4.7%	34.9%	3.6%	5.6%	1.2M	1.4M	-606.0K	0.38	73.32	N/A	N/A	14,360	5,485	211,909	126,284
2016-09-23	$11.10	$10.00	35.3%	9.6%	21.8%	8.5%	33.5%	0.9%	4.6%	1.2M	-9.5M	-638.9K	0.34	61.06	N/A	N/A	16,044	5,376	215,868	126,664
2016-09-26	$11.04	$10.00	38.8%	9.6%	22.5%	14.5%	33.3%	4.2%	-0.6%	1.4M	-5.6M	-626.8K	0.39	45.48	N/A	N/A	12,701	4,989	218,568	126,180
2016-09-27	$11.21	$10.00	39.0%	10.5%	22.3%	14.8%	38.2%	0.1%	1.2%	1.4M	-15.1M	-660.7K	0.40	42.88	N/A	N/A	15,691	6,333	220,047	126,180
2016-09-28	$10.89	$10.00	39.7%	10.1%	26.1%	16.1%	37.6%	3.5%	0.9%	1.4M	-2.7M	-618.0K	0.46	65.21	N/A	N/A	15,093	7,004	223,446	126,613
2016-09-29	$10.58	$10.00	42.0%	11.1%	27.6%	20.0%	43.3%	3.0%	0.5%	1.3M	10.9M	-586.2K	0.74	38.10	N/A	N/A	10,873	8,071	223,433	127,688
2016-09-30	$10.60	$10.00	41.5%	10.6%	27.4%	19.2%	40.2%	4.9%	-2.1%	1.3M	10.0M	-590.0K	0.62	59.17	N/A	N/A	10,018	6,197	224,699	129,687