Premarket trading runs 4:00 AM – 9:30 AM ET.
Over the past 5 years, NBIX has had 13 qualifying gap events (gaps of 5% or more at the open) — 6 gap-ups and 7 gap-downs. Gap-ups averaged +8.1%, 67% have fully filled, median time to fill 18 trading days. Gap-downs averaged -9%, 57% have fully filled, median time to fill 2 trading days. Most recent: a +10.3% gap up on May 6, 2026, still unfilled. NBIX has 1 unfilled gap from the past 60 days — a +10.3% gap up on May 6, 2026, currently 50% retraced. Average 20-trading-day return after a NBIX gap up: -0.39%. After a gap down: -3.25%.
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 50% | 100% | 100% | 100% |
| fills 50% | 17% | 100% | 100% | 100% |
| fills 75% | 0% | 33% | 33% | 67% |
| fills 100% | 0% | 0% | 0% | 50% |
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 57% | 57% | 57% | 57% |
| fills 50% | 43% | 57% | 57% | 57% |
| fills 75% | 29% | 57% | 57% | 57% |
| fills 100% | 29% | 57% | 57% | 57% |
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-05-06 | $135.06 | +10.31% | Open | 1d | — | 50% | 50% | 50% | 50% |
| 2025-10-29 | $147.38 | -5.01% | Filled | 1d | 6d | 58% | 100% | 100% | 100% |
| 2025-05-06 | $109.75 | +12.07% | Open | 4d | — | 49% | 55% | 55% | 55% |
| 2025-02-07 | $150.51 | -16.28% | Open | — | — | 24% | 24% | 24% | 24% |
| 2024-10-30 | $116.19 | +8.84% | Filled | 2d | 15d | 22% | 72% | 72% | 100% |
| 2024-08-28 | $152.55 | -17.47% | Open | — | — | 8% | 14% | 14% | 14% |
| 2024-08-01 | $141.57 | +6.12% | Filled | 4d | 20d | 20% | 76% | 76% | 100% |
| 2024-04-23 | $133.66 | +5.49% | Filled | 3d | 26d | 24% | 79% | 79% | 85% |
| 2024-02-07 | $142.96 | -5.57% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2023-11-10 | $112.15 | -5.22% | Filled | 2d | 3d | 36% | 100% | 100% | 100% |
| 2023-09-12 | $109.64 | +5.47% | Filled | 4d | 16d | 36% | 64% | 64% | 100% |
| 2023-02-06 | $110.03 | -5.23% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2021-11-02 | $106.22 | -8.23% | Open | — | — | 17% | 17% | 17% | 17% |
No premarket activity has been recorded yet for NBIX today. The previous regular-session close was $167.35.
Premarket trading for NBIX on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
Over the past 5 years, 67% of NBIX gap-ups have fully filled and 57% of gap-downs have filled. Median time to fill is 18 trading days for gap-ups and 2 trading days for gap-downs.
Yes. NBIX has 1 unfilled gap from the past 60 days. The largest is a +10.3% gap up from May 6, 2026 and is currently 50% retraced.
Based on 13 qualifying gap events over the past 5 years, the average 20-trading-day return after a NBIX gap up is -0.39%, and after a gap down is -3.25%.