NBIX Options History — July 2018

In July 2018, NBIX traded between $98.97 and $108.18. ATM implied volatility averaged 42.6%, placing in the 48.3% IV rank vs the trailing year. The 30-day expected move averaged 12.1%. IV traded above realized volatility by 18.4% (HV 20d: 24.3%). Max pain ranged from $85.00 to $95.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 0 of 21 days. Put/call ratio averaged 1.15.

Notable Days

2018-07-16: Highest Volume — 3,871 contracts
2018-07-30: Largest IV spike — 11.5% change
2018-07-31: Highest IV Rank — 66.3%
2018-07-31: Largest Expected Move — 14.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$102.98	$98.97	$108.18	$99.00	$100.66
Max Pain	$89.29	$85.00	$95.00	$95.00	$95.00
ATM IV	42.6%	40.1%	50.0%	42.0%	50.0%
Expected Move	12.1%	11.5%	14.3%	12.1%	14.3%
HV 20d	24.3%	21.0%	37.7%	21.8%	37.7%
HV 60d	25.6%	22.7%	28.9%	26.5%	28.4%
IV Rank	48.3%	42.0%	66.3%	46.8%	66.3%
IV Percentile	50.8%	37.3%	90.1%	47.6%	90.1%
Term Structure	-3.7%	-8.5%	-0.8%	-0.8%	-8.5%
VWIV	43.7%	40.3%	49.9%	44.0%	49.9%
Skew 25d	2.1%	0.3%	7.7%	0.9%	6.3%
Skew 10d	3.6%	0.8%	14.0%	2.3%	4.2%
Call IV 25d	42.5%	39.5%	47.1%	44.8%	47.1%
Put IV 25d	44.5%	40.8%	53.4%	45.7%	53.4%
Bid-Ask Spread %	27.36	11.36	53.46	31.45	44.58
Gamma HHI	0.27	0.20	0.39	0.20	0.27
Net GEX	2.1M	844.8K	3.6M	1.6M	1.1M
Net DEX	-44.9M	-59.1M	-21.1M	-34.4M	-26.3M
Net VEX	-189.5K	-219.6K	-163.7K	-218.3K	-167.0K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.15	0.25	2.29	1.67	0.33
Total Volume	1,921.905	1,142	3,871	1,175	2,598
Total OI	21,570.667	19,487	23,911	20,897	19,487

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
2018-07-02	$99.00	$95.00	42.0%	12.1%	21.8%	46.8%	44.0%	0.9%	-0.8%	1.6M	-34.4M	-218.3K	1.67	31.45	N/A	N/A	440	735	11,982	8,915
2018-07-03	$99.10	$95.00	43.2%	12.4%	21.7%	49.7%	44.8%	0.9%	-1.8%	1.5M	-32.8M	-219.6K	1.77	53.46	N/A	N/A	422	749	12,010	8,946
2018-07-05	$98.97	$85.00	42.2%	12.5%	21.7%	47.3%	47.0%	2.8%	-5.5%	1.6M	-32.0M	-214.3K	1.86	43.99	N/A	N/A	410	763	12,036	8,958
2018-07-06	$102.23	$85.00	42.1%	11.8%	24.3%	47.0%	41.0%	2.3%	-2.4%	2.0M	-46.9M	-209.6K	0.48	31.32	N/A	N/A	1,624	773	12,102	8,980
2018-07-09	$102.68	$85.00	43.9%	12.1%	24.3%	51.4%	43.0%	2.3%	-3.6%	2.5M	-53.7M	-206.6K	1.07	31.49	N/A	N/A	758	808	13,240	8,976
2018-07-10	$102.82	$85.00	46.4%	12.0%	24.3%	57.5%	43.5%	1.6%	-3.0%	2.7M	-55.0M	-207.1K	1.59	28.12	N/A	N/A	590	941	13,482	9,035
2018-07-11	$101.81	$85.00	41.8%	12.0%	23.9%	46.3%	42.0%	1.5%	-3.0%	2.8M	-48.3M	-201.7K	0.59	20.23	N/A	N/A	1,763	1,049	13,507	9,184
2018-07-12	$102.73	$85.00	41.5%	11.9%	22.3%	45.6%	43.2%	2.4%	-2.9%	2.8M	-51.7M	-201.7K	1.59	25.88	N/A	N/A	689	1,093	13,665	9,478
2018-07-13	$102.86	$85.00	41.6%	11.9%	21.9%	45.7%	42.6%	0.8%	-2.8%	3.0M	-52.1M	-202.4K	2.29	17.41	N/A	N/A	444	1,015	13,715	9,659
2018-07-16	$101.85	$85.00	41.2%	11.8%	21.8%	44.7%	41.5%	1.6%	-2.7%	3.4M	-45.5M	-185.4K	0.25	42.49	N/A	N/A	3,092	779	13,679	9,678
2018-07-17	$105.07	$85.00	41.8%	12.0%	24.3%	46.3%	46.7%	7.7%	-2.9%	3.6M	-59.1M	-185.4K	1.07	34.41	N/A	N/A	1,641	1,760	13,575	9,731
2018-07-18	$103.06	$85.00	43.3%	12.4%	25.3%	49.8%	49.4%	1.7%	-4.9%	3.1M	-48.3M	-179.0K	1.75	16.06	N/A	N/A	980	1,719	13,313	9,480
2018-07-19	$104.02	$85.00	42.7%	12.2%	24.1%	48.3%	44.1%	1.6%	-3.5%	3.2M	-50.4M	-187.1K	0.76	21.60	N/A	N/A	940	719	13,385	10,509
2018-07-20	$103.83	$85.00	41.0%	11.8%	23.2%	44.3%	41.9%	1.9%	-1.5%	1.3M	-48.4M	-173.8K	0.99	20.21	N/A	N/A	1,292	1,283	13,394	10,517
2018-07-23	$103.63	$95.00	42.4%	12.2%	22.2%	47.8%	43.2%	1.0%	-5.1%	1.2M	-37.4M	-181.6K	1.75	21.23	N/A	N/A	515	901	9,748	9,894
2018-07-24	$105.65	$95.00	40.4%	11.6%	22.3%	42.8%	40.3%	0.3%	-4.1%	1.5M	-44.8M	-173.8K	0.78	21.72	N/A	N/A	873	677	9,845	9,911
2018-07-25	$108.18	$95.00	40.2%	11.5%	23.0%	42.3%	41.0%	1.1%	-3.8%	1.6M	-52.6M	-164.6K	0.77	11.36	N/A	N/A	649	497	9,700	9,854
2018-07-26	$107.94	$95.00	40.1%	11.5%	21.0%	42.0%	41.1%	1.5%	-3.2%	1.6M	-51.8M	-167.9K	1.08	18.42	N/A	N/A	549	593	9,830	9,884
2018-07-27	$107.46	$95.00	41.3%	11.8%	21.3%	45.0%	41.6%	2.2%	-3.9%	1.6M	-49.3M	-169.4K	1.13	18.66	N/A	N/A	552	621	9,822	10,018
2018-07-30	$99.01	$95.00	46.1%	13.2%	37.3%	56.7%	46.0%	1.2%	-7.7%	844.8K	-21.1M	-163.7K	0.54	20.58	N/A	N/A	1,342	722	9,821	10,039
2018-07-31	$100.66	$95.00	50.0%	14.3%	37.7%	66.3%	49.9%	6.3%	-8.5%	1.1M	-26.3M	-167.0K	0.33	44.58	N/A	N/A	1,953	645	10,271	9,216