AMKR Stock Premarket

Amkor Technology Inc
AMKRNASDAQ • USD
45.41 USD
↗ 6.11 (15.55%)PRE MARKET (AS OF 09:29 AM EDT)
🔴Market: CLOSED

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

AMKR last traded at $45.41 in premarket, up $6.11 (15.55%) from its previous close of $39.30. Historically, 24% of AMKR gap-ups of 5% or more have fully filled within one trading day.

📅 AMKR is scheduled to report earnings on Oct 26, 2026 after the close (confirmed), with an estimated EPS of $0.78. AMKR earnings details →

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

Over the past 5 years, AMKR has had 50 qualifying gap events (gaps of 5% or more at the open) — 29 gap-ups and 21 gap-downs. Gap-ups averaged +7.3%, 79% have fully filled, median time to fill 2 trading days. Gap-downs averaged -8.3%, 62% have fully filled, median time to fill 6 trading days. Most recent: a -5.4% gap down 5 days ago, still unfilled. AMKR has 2 unfilled gaps from the past 60 days; the largest is a -5.9% gap down on Oct 15, 2026, currently 88% retraced. Average 20-trading-day return after a AMKR gap up: -3.63%. After a gap down: +3.51%.

Gap Ups29 events
Fill Rate
79.3%
Avg Gap
7.3%
Avg 50% Fill
1d
Avg Fill
2d
Avg 20d return after gap-up: -3.63%
Gap Downs21 events
Fill Rate
61.9%
Avg Gap
8.3%
Avg 50% Fill
1d
Avg Fill
6d
Avg 20d return after gap-down: +3.51%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%76%90%90%90%
fills 50%59%83%86%86%
fills 75%34%76%79%83%
fills 100%24%59%66%72%
Gap Downs
1 day1 week2 week4 week
fills 25%81%90%90%90%
fills 50%43%62%67%67%
fills 75%33%43%52%67%
fills 100%19%38%38%52%
Active Unfilled Gaps (past 60 days)
5 days ago
2026-10-22
Gap %
-5.40%
Gap From
$43.73
% vs Current
+18.80%
retraced 17% to $41.77
12 days ago
2026-10-15
Gap %
-5.87%
Gap From
$44.82
% vs Current
+21.76%
retraced 88% to $44.50
Complete Gap History — 50 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
5 days ago$43.73-5.40%Open——17%17%17%17%
6 days ago$41.70+6.71%Filled1d2d58%100%100%100%
12 days ago$44.82-5.87%Open1d—76%88%88%88%
2026-09-14$51.73-8.53%Filled5d6d30%100%100%100%
2026-08-27$48.40+8.22%Filled2d2d42%100%100%100%
2026-08-18$61.30-6.22%Open——45%45%45%45%
2026-07-31$48.26+5.51%Filled1d2d65%100%100%100%
2026-07-30$42.73+10.33%Filled54d55d18%18%18%18%
2026-07-28$60.71-14.68%Filled6d15d3%52%59%100%
2026-07-24$65.33+8.83%Filled1d1d100%100%100%100%
2026-07-21$62.56+7.19%Filled1d5d52%100%100%100%
2026-07-14$66.06+5.68%Filled2d2d49%100%100%100%
2026-07-09$66.91+6.76%Filled3d3d15%100%100%100%
2026-07-07$69.88-5.36%Filled3d3d44%100%100%100%
2026-06-25$82.76+6.68%Filled1d1d100%100%100%100%
2026-06-23$93.55-8.78%Open——33%37%37%37%
2026-06-18$86.43+6.20%Filled1d3d52%100%100%100%
2026-06-17$86.55+5.14%Filled1d1d100%100%100%100%
2026-06-15$82.78+5.71%Filled1d1d100%100%100%100%
2026-06-08$64.95+5.31%Filled2d20d47%93%93%100%
2026-06-04$75.20-5.23%Filled1d1d100%100%100%100%
2026-05-26$65.75+9.51%Filled4d9d42%81%100%100%
2026-04-28$75.62-12.64%Filled1d6d76%100%100%100%
2026-04-24$72.91+6.65%Filled1d3d66%100%100%100%
2026-04-08$47.62+9.03%Open——19%19%19%19%
2026-04-02$46.49-6.22%Filled1d1d100%100%100%100%
2026-02-13$51.59-7.18%Filled8d37d34%34%85%85%
2026-01-15$48.67+7.30%Filled1d2d88%100%100%100%
2026-01-05$42.92+6.95%Filled22d22d15%15%15%17%
2025-11-20$31.43+6.54%Filled1d1d100%100%100%100%
2025-11-04$37.84-5.76%Filled1d19d52%75%75%100%
2025-11-03$32.28+5.14%Filled9d9d8%48%100%100%
2025-10-28$33.18-7.75%Filled1d2d92%100%100%100%
2025-10-16$31.28+5.26%Filled1d1d100%100%100%100%
2025-10-13$28.26+6.33%Open——19%37%37%37%
2025-10-07$30.57+9.72%Filled1d1d100%100%100%100%
2025-09-16$25.68+8.70%Open1d—64%79%79%79%
2025-08-07$22.21+5.09%Open1d—79%79%79%79%
2025-07-29$21.23+15.50%Open3d—4%90%90%90%
2025-04-23$15.96+6.02%Open1d—70%70%70%70%
2025-04-10$17.98-5.45%Filled3d16d15%50%67%100%
2025-02-11$24.36-8.58%Open——43%44%49%49%
2024-10-29$29.53-15.37%Open1d—70%70%76%76%
2024-10-04$29.09+5.50%Filled2d14d40%64%64%100%
2024-08-05$28.63-6.04%Filled1d1d100%100%100%100%
2024-07-30$37.60-6.99%Open——34%34%34%34%
2024-07-17$44.68-7.27%Open——33%33%33%33%
2024-04-30$31.47+11.31%Filled1d2d77%100%100%100%
2023-10-31$20.44-9.49%Filled1d1d100%100%100%100%
2023-09-07$27.26-14.75%Filled50d55d3%3%3%3%

Frequently Asked Questions

What is AMKR's premarket price?

Amkor Technology (AMKR) is trading at $45.41 in premarket, up $6.11 (15.55%) from the previous close of $39.30.

Why is AMKR moving in premarket?

Amkor Technology (AMKR) is up 15.55% 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 AMKR premarket headlines and gap history below for the likely catalyst.

When does AMKR premarket trading start?

Premarket trading for AMKR 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 AMKR fill its gaps?

Over the past 5 years, 79% of AMKR gap-ups have fully filled and 62% of gap-downs have filled. Median time to fill is 2 trading days for gap-ups and 6 trading days for gap-downs.

Does AMKR have any unfilled gaps?

Yes. AMKR has 2 unfilled gaps from the past 60 days. The largest is a -5.9% gap down from Oct 15, 2026 and is currently 88% retraced.

What's the average return after a AMKR gap?

Based on 50 qualifying gap events over the past 5 years, the average 20-trading-day return after a AMKR gap up is -3.63%, and after a gap down is +3.51%.

When does AMKR report earnings?

AMKR is scheduled to report earnings on Oct 26, 2026 after the close (confirmed), with an estimated EPS of $0.78. Amkor Technology is widely expected to report its Q3 2026 financial results on October 26, 2026, after the market close. This date is consistent across major financial calendars and follows the company's historical pattern of reporting on the last Monday of October.