OPK Options History — December 2016

In December 2016, OPK traded between $9.21 and $11.91. ATM implied volatility averaged 44.4%, placing in the 24.1% IV rank vs the trailing year. The 30-day expected move averaged 13.0%. IV traded below realized volatility by 2.2% (HV 20d: 46.6%). Max pain ranged from $10.00 to $12.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 10 of 21 days. Put/call ratio averaged 0.96.

Notable Days

2016-12-14: Highest Volume — 166,832 contracts
2016-12-30: Largest IV spike — 19.2% change
2016-12-30: Highest IV Rank — 38.5%
2016-12-30: Largest Expected Move — 15.4%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$11.27	$9.21	$11.91	$10.25	$9.21
Max Pain	$10.62	$10.00	$12.00	$12.00	$11.00
ATM IV	44.4%	40.7%	52.9%	47.3%	52.9%
Expected Move	13.0%	11.6%	15.4%	14.9%	15.4%
HV 20d	46.6%	40.0%	89.0%	47.1%	89.0%
HV 60d	39.4%	34.5%	59.6%	35.5%	59.6%
IV Rank	24.1%	17.7%	38.5%	29.0%	38.5%
IV Percentile	36.2%	24.2%	71.4%	48.0%	71.4%
Term Structure	0.1%	-2.1%	4.3%	-0.6%	-0.2%
VWIV	47.7%	43.3%	54.7%	54.7%	52.8%
Skew 25d	3.2%	-1.4%	5.9%	-0.3%	0.3%
Skew 10d	11.0%	-5.7%	43.9%	17.3%	43.9%
Call IV 25d	45.8%	41.0%	52.1%	50.6%	52.1%
Put IV 25d	49.0%	44.9%	53.3%	50.4%	52.4%
Bid-Ask Spread %	49.27	12.47	87.85	62.55	83.55
Gamma HHI	0.29	0.24	0.41	0.27	0.41
Net GEX	2.3M	840.0K	3.5M	1.5M	840.0K
Net DEX	432.0K	-46.7M	69.5M	43.5M	69.5M
Net VEX	-471.5K	-564.7K	-294.9K	-414.2K	-294.9K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.96	0.32	2.42	0.60	0.96
Total Volume	27,226.381	10,077	166,832	14,056	46,884
Total OI	401,456.095	368,001	455,201	402,862	391,621

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
2016-12-01	$10.25	$12.00	47.3%	14.9%	47.1%	29.0%	54.7%	-0.3%	-0.6%	1.5M	43.5M	-414.2K	0.60	62.55	N/A	N/A	8,800	5,256	256,727	146,135
2016-12-02	$10.29	$12.00	45.5%	13.8%	47.0%	25.9%	52.8%	3.7%	0.2%	1.5M	43.0M	-405.4K	0.53	53.98	N/A	N/A	8,787	4,613	257,638	146,370
2016-12-05	$10.73	$10.00	47.4%	12.5%	48.8%	29.1%	45.8%	4.2%	-0.7%	1.7M	28.0M	-415.3K	0.51	66.97	N/A	N/A	9,806	4,966	255,708	145,929
2016-12-06	$11.30	$10.00	44.2%	13.1%	51.5%	23.7%	51.1%	3.5%	0.9%	2.1M	-11.7M	-499.2K	0.33	63.82	N/A	N/A	17,703	5,909	256,769	146,339
2016-12-07	$10.96	$10.00	43.8%	13.2%	47.0%	22.9%	47.1%	3.5%	1.0%	2.2M	14.1M	-452.7K	0.44	43.12	N/A	N/A	13,172	5,805	261,072	146,939
2016-12-08	$10.82	$10.00	41.3%	12.6%	45.6%	18.8%	49.3%	3.3%	1.5%	2.2M	27.6M	-420.8K	0.45	52.06	N/A	N/A	11,238	5,008	263,101	147,831
2016-12-09	$10.98	$10.00	42.9%	12.5%	45.0%	21.5%	46.2%	3.5%	-0.9%	3.4M	20.9M	-416.0K	0.34	40.24	N/A	N/A	12,637	4,340	265,091	148,277
2016-12-12	$11.67	$10.00	43.5%	12.7%	48.8%	22.6%	47.7%	2.9%	1.1%	2.7M	-25.0M	-460.3K	0.33	51.78	N/A	N/A	14,711	4,872	264,045	145,920
2016-12-13	$11.91	$10.00	42.3%	12.6%	41.6%	20.4%	45.0%	4.3%	1.6%	2.7M	-46.7M	-446.4K	0.36	46.83	N/A	N/A	15,428	5,621	265,833	146,538
2016-12-14	$11.61	$10.00	47.2%	13.3%	43.0%	28.8%	46.8%	5.0%	-0.3%	2.7M	-9.2M	-432.7K	0.78	36.57	N/A	N/A	93,519	73,313	267,118	147,968
2016-12-15	$11.86	$10.00	45.7%	13.4%	43.3%	26.2%	49.3%	4.1%	0.5%	3.5M	-24.6M	-551.9K	1.46	17.28	N/A	N/A	18,224	26,558	288,591	164,080
2016-12-16	$11.77	$10.00	44.6%	12.5%	43.5%	24.4%	47.4%	4.2%	-1.6%	2.1M	-5.3M	-564.7K	0.32	12.47	N/A	N/A	17,132	5,564	289,936	165,265
2016-12-19	$11.64	$11.00	43.7%	12.6%	43.8%	22.8%	45.4%	3.4%	-2.1%	2.2M	-16.8M	-523.3K	0.87	22.72	N/A	N/A	6,398	5,549	240,780	127,221
2016-12-20	$11.78	$11.00	43.0%	12.3%	43.5%	21.6%	46.4%	-1.4%	-0.5%	2.3M	-25.6M	-525.0K	1.08	13.51	N/A	N/A	4,836	5,241	243,307	127,951
2016-12-21	$11.76	$11.00	43.6%	12.5%	42.4%	22.6%	45.2%	2.5%	-0.9%	2.4M	-19.0M	-510.7K	0.89	22.00	N/A	N/A	12,356	11,058	243,811	128,562
2016-12-22	$11.57	$11.00	40.7%	11.6%	40.4%	17.7%	47.2%	1.3%	4.3%	2.4M	-11.6M	-539.8K	1.84	32.32	N/A	N/A	6,137	11,272	251,801	134,689
2016-12-23	$11.87	$11.00	42.7%	12.3%	41.0%	21.2%	46.2%	5.5%	-1.8%	2.4M	-19.0M	-510.2K	1.54	60.40	N/A	N/A	7,387	11,379	253,163	135,227
2016-12-27	$11.87	$11.00	42.4%	12.6%	40.0%	20.6%	46.3%	5.1%	0.9%	2.6M	-24.5M	-536.7K	2.34	87.85	N/A	N/A	4,764	11,144	251,684	134,199
2016-12-28	$11.34	$11.00	43.8%	13.1%	43.7%	23.0%	46.4%	5.9%	1.0%	2.2M	-1.5M	-498.8K	1.72	86.07	N/A	N/A	6,685	11,509	252,863	134,614
2016-12-29	$11.41	$11.00	44.4%	13.4%	43.5%	24.0%	43.3%	2.0%	-0.6%	2.3M	3.0M	-482.9K	2.42	78.50	N/A	N/A	4,734	11,439	254,210	135,655
2016-12-30	$9.21	$11.00	52.9%	15.4%	89.0%	38.5%	52.8%	0.3%	-0.2%	840.0K	69.5M	-294.9K	0.96	83.55	N/A	N/A	23,936	22,948	255,793	135,828