AMGN Stock Premarket

Amgen Inc
AMGNNASDAQ • USD
380.94 USD
↘ 57.40 (13.10%)PRE MARKET (AS OF 09:29 AM EDT)
🟢Market: OPEN

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

AMGN last traded at $380.94 in premarket, down $57.40 (13.10%) from its previous close of $438.34. Historically, 0% of AMGN gap-downs of 5% or more have fully filled within one trading day.

📅 AMGN is expected to report earnings around Nov 3, 2026 after the close (estimated), with an estimated EPS of $5.72. AMGN earnings details →

Gap Analytics — 5-year history, 5% minimum gap

Over the past 5 years, AMGN has had 4 qualifying gap events (gaps of 5% or more at the open) — 1 gap-up and 3 gap-downs. Gap-ups averaged +12.6%, 0% have fully filled. Gap-downs averaged -7.3%, 100% have fully filled, median time to fill 28 trading days. Most recent: a -6.5% gap down on Sep 8, 2026, which filled in 28 trading days. Average 20-trading-day return after a AMGN gap up: -1.9%. After a gap down: +1.81%.

Gap Ups1 events
Fill Rate
0.0%
Avg Gap
12.6%
Avg 50% Fill
18d
Avg Fill
—
Avg 20d return after gap-up: -1.90%
Gap Downs3 events
Fill Rate
100.0%
Avg Gap
7.3%
Avg 50% Fill
1d
Avg Fill
28d
Avg 20d return after gap-down: +1.81%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%0%100%100%100%
fills 50%0%0%0%100%
fills 75%0%0%0%0%
fills 100%0%0%0%0%
Gap Downs
1 day1 week2 week4 week
fills 25%67%67%67%100%
fills 50%67%67%67%100%
fills 75%0%0%0%33%
fills 100%0%0%0%33%
Complete Gap History — 4 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
2026-09-08$437.23-6.48%Filled16d28d4%4%14%62%
2024-11-26$294.00-10.13%Filled1d47d54%65%65%65%
2024-05-03$278.39+12.57%Open18d—13%45%45%51%
2022-04-28$248.79-5.25%Filled1d18d55%55%70%100%

Frequently Asked Questions

What is AMGN's premarket price?

Amgen (AMGN) is trading at $380.94 in premarket, down $57.40 (13.10%) from the previous close of $438.34.

Why is AMGN moving in premarket?

Amgen (AMGN) is down 13.10% 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 AMGN premarket headlines and gap history below for the likely catalyst.

When does AMGN premarket trading start?

Premarket trading for AMGN 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 AMGN fill its gaps?

Over the past 5 years, 0% of AMGN gap-ups have fully filled and 100% of gap-downs have filled. Median time to fill is 28 trading days for gap-downs.

Does AMGN have any unfilled gaps?

No. AMGN has no unfilled gap events from the past 60 days; all recent gaps have been filled.

What's the average return after a AMGN gap?

Based on 4 qualifying gap events over the past 5 years, the average 20-trading-day return after a AMGN gap up is -1.9%, and after a gap down is +1.81%.

When does AMGN report earnings?

AMGN is expected to report earnings around Nov 3, 2026 after the close (estimated), with an estimated EPS of $5.72.