64.65 USD
↗ 0.20 (0.31%)PRE MARKET (AS OF 07:25 AM EDT)
BMRN Stock Premarket
BioMarin Pharmaceuticals Inc
BMRNNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
BMRN is trading at $64.65 in premarket, up $0.20 (0.31%) from its previous close of $64.45.
📅 BMRN is expected to report earnings around Oct 26, 2026 after the close (estimated), with an estimated EPS of $1.35. 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) — 6 gap-ups and 4 gap-downs. Gap-ups averaged +6.8%, 50% have fully filled, median time to fill 29 trading days. Gap-downs averaged -8.2%, 25% have fully filled, median time to fill 19 trading days. Most recent: a +5.5% gap up on Aug 7, 2026, still unfilled. BMRN has 1 unfilled gap from the past 60 days — a +5.5% gap up on Aug 7, 2026, currently 78% retraced. Average 20-trading-day return after a BMRN gap up: +2.93%. After a gap down: -1.84%.
Gap Ups6 events
Fill Rate
50.0%
Avg Gap
6.8%
Avg 50% Fill
1d
Avg Fill
29d
Gap Downs4 events
Fill Rate
25.0%
Avg Gap
8.2%
Avg 50% Fill
12.5d
Avg Fill
19d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 67% | 67% | 67% | 83% |
| fills 50% | 67% | 67% | 67% | 67% |
| fills 75% | 33% | 33% | 33% | 33% |
| fills 100% | 17% | 17% | 17% | 17% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 50% | 50% | 50% | 50% |
| fills 50% | 25% | 25% | 25% | 25% |
| fills 75% | 0% | 0% | 0% | 25% |
| fills 100% | 0% | 0% | 0% | 25% |
Active Unfilled Gaps (past 60 days)
40 days ago
2026-08-07
Gap %
+5.48%
Gap From
$61.46
% vs Current
-4.64%
retraced 78% to $62.20
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 | ||||||
| 2026-08-07 | $61.46 | +5.48% | Open | 1d | — | 78% | 78% | 78% | 78% |
| 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% |
Related: BMRN quote & chart · After hours · Technical analysis · Fundamentals · Earnings · Short interest
Frequently Asked Questions
What is BMRN's premarket price?
BioMarin Pharmaceuticals (BMRN) is trading at $64.65 in premarket, up $0.20 (0.31%) from the previous close of $64.45.
Why is BMRN moving in premarket?
BioMarin Pharmaceuticals (BMRN) is up 0.31% 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, 50% of BMRN gap-ups have fully filled and 25% of gap-downs have filled. Median time to fill is 29 trading days for gap-ups and 19 trading days for gap-downs.
Does BMRN have any unfilled gaps?
Yes. BMRN has 1 unfilled gap from the past 60 days. The largest is a +5.5% gap up from Aug 7, 2026 and is currently 78% retraced.
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 +2.93%, and after a gap down is -1.84%.
When does BMRN report earnings?
BMRN is expected to report earnings around Oct 26, 2026 after the close (estimated), with an estimated EPS of $1.35.