NBIX Options History — April 2026

In April 2026, NBIX traded between $130.92 and $132.61. ATM implied volatility averaged 33.6%, placing in the 20.5% IV rank vs the trailing year. The 30-day expected move averaged 9.6%. IV traded above realized volatility by 10.1% (HV 20d: 23.4%). Max pain ranged from $120.00 to $130.00. Net GEX was positive for 0 of 2 trading days. Term structure was in contango for 1 of 2 days. Put/call ratio averaged 0.03.

Notable Days

2026-04-01: Highest Volume — 17 contracts
2026-04-02: Largest IV spike — 16.5% change
2026-04-02: Highest IV Rank — 25.0%
2026-04-02: Largest Expected Move — 10.3%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$131.76	$130.92	$132.61	$132.61	$130.92
Max Pain	$125.00	$120.00	$130.00	$130.00	$120.00
ATM IV	33.6%	31.0%	36.1%	31.0%	36.1%
Expected Move	9.6%	8.9%	10.3%	8.9%	10.3%
HV 20d	23.4%	22.4%	24.4%	24.4%	22.4%
HV 60d	32.4%	32.4%	32.4%	32.4%	32.4%
IV Rank	20.5%	16.1%	25.0%	16.1%	25.0%
IV Percentile	48.8%	34.1%	63.5%	34.1%	63.5%
Term Structure	2.7%	-5.3%	10.7%	10.7%	-5.3%
VWIV	27.6%	27.6%	27.6%	27.6%	27.6%
Skew 25d	4.9%	4.4%	5.3%	5.3%	4.4%
Skew 10d	9.0%	1.4%	16.6%	1.4%	16.6%
Call IV 25d	34.9%	28.2%	41.6%	28.2%	41.6%
Put IV 25d	39.8%	33.5%	46.0%	33.5%	46.0%
Bid-Ask Spread %	33.77	25.92	41.61	25.92	41.61
Gamma HHI	0.13	0.13	0.14	0.14	0.13
Net GEX	-284.6K	-288.7K	-280.5K	-288.7K	-280.5K
Net DEX	14.5M	13.7M	15.4M	13.7M	15.4M
Net VEX	-256.9K	-259.0K	-254.7K	-259.0K	-254.7K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.03	0.00	0.06	0.06	0.00
Total Volume	12	7	17	17	7
Total OI	9,260	9,257	9,263	9,257	9,263

Daily Data (2 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
2026-04-01	$132.61	$130.00	31.0%	8.9%	24.4%	16.1%	27.6%	5.3%	10.7%	-288.7K	13.7M	-259.0K	0.06	25.92	N/A	N/A	16	1	3,679	5,578
2026-04-02	$130.92	$120.00	36.1%	10.3%	22.4%	25.0%	0.0%	4.4%	-5.3%	-280.5K	15.4M	-254.7K	0.00	41.61	N/A	N/A	7	0	3,684	5,579