BMRN Stock Premarket

BioMarin Pharmaceuticals Inc
BMRNNASDAQUSD
50.33 USD
9.67 (16.10%)PRE MARKET (AS OF Fri 05:29 AM EDT)
🔴Market: CLOSED

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

BMRN last traded at $50.33 in premarket, down $9.67 (16.10%) from its previous close of $60.00. Historically, 0% of BMRN gap-downs of 5% or more have fully filled within one trading day.

📅 BMRN is scheduled to report earnings on Aug 3, 2026 after the close (confirmed), with an estimated EPS of $0.92. BMRN earnings details →

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
Avg 20d return after gap-up: +2.99%
Gap Downs5 events
Fill Rate
40.0%
Avg Gap
8.2%
Avg 50% Fill
1d
Avg Fill
36.5d
Avg 20d return after gap-down: -1.80%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 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 day1 week2 week4 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
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
2025-12-19$51.95+5.49%Open14%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%Open6%6%6%6%
2024-08-06$80.47+9.10%Filled1d29d57%57%57%57%
2024-04-25$91.20-5.42%Open11%11%11%11%
2023-11-07$76.22+8.74%Open14%14%14%14%
2023-03-06$101.20-6.14%Open24d34%34%34%44%
2022-02-24$82.52-12.72%Filled1d19d65%69%73%100%
2021-09-07$84.95-8.17%Filled1d54d56%56%56%56%

Frequently Asked Questions

What is BMRN's premarket price?

BioMarin Pharmaceuticals (BMRN) is trading at $50.33 in premarket, down $9.67 (16.10%) from the previous close of $60.00.

Why is BMRN moving in premarket?

BioMarin Pharmaceuticals (BMRN) is down 16.10% 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 scheduled to report earnings on Aug 3, 2026 after the close (confirmed), with an estimated EPS of $0.92. BioMarin Pharmaceutical is widely expected to report its Q2 2026 earnings on August 3, 2026, after the market close, with a conference call scheduled for 4:30 PM ET. While the company has not yet issued a formal press release for this specific date as of July 14, 2026, the date is consistently cited across major financial platforms like Nasdaq, MarketBeat, and Benzinga.