BMRN Stock Premarket

BioMarin Pharmaceuticals Inc
BMRNNASDAQ • USD
58.89 USD
↗ 1.35 (2.35%)PRE MARKET (AS OF 09:29 AM EDT)
🟢Market: OPEN

Premarket trading runs 4:00 AM – 9:30 AM ET.

BMRN last traded at $58.89 in premarket, up $1.35 (2.35%) from its previous close of $57.54.

📅 BMRN is scheduled to report earnings on Oct 26, 2026 after the close (confirmed), with an estimated EPS of $1.34. BMRN earnings details →

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%, 67% have fully filled, median time to fill 30.5 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, which filled in 34 trading days. Average 20-trading-day return after a BMRN gap up: +2.93%. After a gap down: -1.84%.

Gap Ups6 events
Fill Rate
66.7%
Avg Gap
6.8%
Avg 50% Fill
1d
Avg Fill
30.5d
Avg 20d return after gap-up: +2.93%
Gap Downs4 events
Fill Rate
25.0%
Avg Gap
8.2%
Avg 50% Fill
12.5d
Avg Fill
19d
Avg 20d return after gap-down: -1.84%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 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 day1 week2 week4 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%
Complete Gap History — 10 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
2026-08-07$61.46+5.48%Filled1d34d78%78%78%78%
2025-12-19$51.95+5.49%Open——14%14%14%26%
2025-08-05$60.31+5.02%Filled1d1d100%100%100%100%
2025-02-20$65.61+6.69%Filled1d32d66%66%66%66%
2024-09-16$84.90-8.69%Open——6%6%6%6%
2024-08-06$80.47+9.10%Filled1d29d57%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%Open24d—34%34%34%44%
2022-02-24$82.52-12.72%Filled1d19d65%69%73%100%

Frequently Asked Questions

What is BMRN's premarket price?

BioMarin Pharmaceuticals (BMRN) is trading at $58.89 in premarket, up $1.35 (2.35%) from the previous close of $57.54.

Why is BMRN moving in premarket?

BioMarin Pharmaceuticals (BMRN) is up 2.35% 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, 67% of BMRN gap-ups have fully filled and 25% of gap-downs have filled. Median time to fill is 31 trading days for gap-ups and 19 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 +2.93%, and after a gap down is -1.84%.

When does BMRN report earnings?

BMRN is scheduled to report earnings on Oct 26, 2026 after the close (confirmed), with an estimated EPS of $1.34. BioMarin Pharmaceutical Inc. is expected to report its Q3 2026 financial results on October 26, 2026, after the market close. This date is widely cited by major financial calendars and aligns with the company's historical reporting patterns, although an official press release confirming the specific date has not yet been issued as of October 1, 2026.