56.38 USD
↘ 0.97 (1.69%)PRE MARKET (AS OF 05:29 AM EDT)
BMRN Stock Premarket
BioMarin Pharmaceuticals Inc
BMRNNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
BMRN last traded at $56.38 in premarket, down $0.97 (1.69%) from its previous close of $57.35.
📅 BMRN is expected to report earnings around Aug 3, 2026 after the close (estimated), with an estimated EPS of $0.96. BMRN earnings details →
BMRN Premarket Chart
BMRN Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, BMRN has had 10 qualifying gap events (gaps of 5% or more at the open) — 5 gap-ups and 5 gap-downs. Gap-ups averaged +7%, 60% have fully filled, median time to fill 29 trading days. Gap-downs averaged -8.2%, 40% have fully filled, median time to fill 36.5 trading days. Most recent: a +5.5% gap up on Dec 19, 2025, still unfilled. Average 20-trading-day return after a BMRN gap up: +2.99%. After a gap down: -1.8%.
Gap Ups5 events
Fill Rate
60.0%
Avg Gap
7.0%
Avg 50% Fill
1d
Avg Fill
29d
Gap Downs5 events
Fill Rate
40.0%
Avg Gap
8.2%
Avg 50% Fill
1d
Avg Fill
36.5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 60% | 60% | 60% | 80% |
| fills 50% | 60% | 60% | 60% | 60% |
| fills 75% | 20% | 20% | 20% | 20% |
| fills 100% | 20% | 20% | 20% | 20% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 60% | 60% | 60% | 60% |
| fills 50% | 40% | 40% | 40% | 40% |
| fills 75% | 0% | 0% | 0% | 20% |
| fills 100% | 0% | 0% | 0% | 20% |
Complete Gap History — 10 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2025-12-19 | $51.95 | +5.49% | Open | — | — | 14% | 14% | 14% | 26% |
| 2025-08-05 | $60.31 | +5.02% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-02-20 | $65.61 | +6.69% | Filled | 1d | 32d | 66% | 66% | 66% | 66% |
| 2024-09-16 | $84.90 | -8.69% | Open | — | — | 6% | 6% | 6% | 6% |
| 2024-08-06 | $80.47 | +9.10% | Filled | 1d | 29d | 57% | 57% | 57% | 57% |
| 2024-04-25 | $91.20 | -5.42% | Open | — | — | 11% | 11% | 11% | 11% |
| 2023-11-07 | $76.22 | +8.74% | Open | — | — | 14% | 14% | 14% | 14% |
| 2023-03-06 | $101.20 | -6.14% | Open | 24d | — | 34% | 34% | 34% | 44% |
| 2022-02-24 | $82.52 | -12.72% | Filled | 1d | 19d | 65% | 69% | 73% | 100% |
| 2021-09-07 | $84.95 | -8.17% | Filled | 1d | 54d | 56% | 56% | 56% | 56% |
Frequently Asked Questions
What is BMRN's premarket price?
BioMarin Pharmaceuticals (BMRN) is trading at $56.38 in premarket, down $0.97 (1.69%) from the previous close of $57.35.
Why is BMRN moving in premarket?
BioMarin Pharmaceuticals (BMRN) is down 1.69% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest BMRN premarket headlines and gap history below for the likely catalyst.
When does BMRN premarket trading start?
Premarket trading for BMRN 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.
How often does BMRN fill its gaps?
Over the past 5 years, 60% of BMRN gap-ups have fully filled and 40% of gap-downs have filled. Median time to fill is 29 trading days for gap-ups and 37 trading days for gap-downs.
Does BMRN have any unfilled gaps?
No. BMRN has no unfilled gap events from the past 60 days; all recent gaps have been filled.
What's the average return after a BMRN gap?
Based on 10 qualifying gap events over the past 5 years, the average 20-trading-day return after a BMRN gap up is +2.99%, and after a gap down is -1.8%.
When does BMRN report earnings?
BMRN is expected to report earnings around Aug 3, 2026 after the close (estimated), with an estimated EPS of $0.96.