54.56 USD
↘ 0.07 (0.13%)PRE MARKET (AS OF 09:29 AM EDT)
AMKR Stock Premarket
Amkor Technology Inc
AMKRNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
AMKR last traded at $54.56 in premarket, down $0.07 (0.13%) from its previous close of $54.63.
📅 AMKR is scheduled to report earnings on Oct 26, 2026 after the close (confirmed), with an estimated EPS of $0.78. AMKR earnings details →
AMKR Premarket Chart
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, AMKR has had 47 qualifying gap events (gaps of 5% or more at the open) — 28 gap-ups and 19 gap-downs. Gap-ups averaged +7.4%, 75% have fully filled, median time to fill 2 trading days. Gap-downs averaged -8.5%, 68% have fully filled, median time to fill 6 trading days. Most recent: a -8.5% gap down on Sep 14, 2026, which filled in 6 trading days. AMKR has 1 unfilled gap from the past 60 days — a -6.2% gap down on Aug 18, 2026, currently 45% retraced. Average 20-trading-day return after a AMKR gap up: -3.63%. After a gap down: +3.61%.
Gap Ups28 events
Fill Rate
75.0%
Avg Gap
7.4%
Avg 50% Fill
1d
Avg Fill
2d
Gap Downs19 events
Fill Rate
68.4%
Avg Gap
8.5%
Avg 50% Fill
1d
Avg Fill
6d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 75% | 89% | 89% | 89% |
| fills 50% | 57% | 82% | 86% | 86% |
| fills 75% | 36% | 75% | 79% | 82% |
| fills 100% | 25% | 57% | 64% | 71% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 84% | 95% | 95% | 95% |
| fills 50% | 42% | 63% | 68% | 68% |
| fills 75% | 32% | 42% | 53% | 68% |
| fills 100% | 21% | 42% | 42% | 58% |
Active Unfilled Gaps (past 60 days)
49 days ago
2026-08-18
Gap %
-6.22%
Gap From
$61.30
% vs Current
+14.82%
retraced 45% to $59.20
Complete Gap History — 47 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 22 days ago | $51.73 | -8.53% | Filled | 5d | 6d | 30% | 100% | 100% | 100% |
| 2026-08-27 | $48.40 | +8.22% | Filled | 2d | 2d | 42% | 100% | 100% | 100% |
| 2026-08-18 | $61.30 | -6.22% | Open | — | — | 45% | 45% | 45% | 45% |
| 2026-07-31 | $48.26 | +5.51% | Filled | 1d | 2d | 65% | 100% | 100% | 100% |
| 2026-07-30 | $42.73 | +10.33% | Open | — | — | 18% | 18% | 18% | 18% |
| 2026-07-28 | $60.71 | -14.68% | Filled | 6d | 15d | 3% | 52% | 59% | 100% |
| 2026-07-24 | $65.33 | +8.83% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-07-21 | $62.56 | +7.19% | Filled | 1d | 5d | 52% | 100% | 100% | 100% |
| 2026-07-14 | $66.06 | +5.68% | Filled | 2d | 2d | 49% | 100% | 100% | 100% |
| 2026-07-09 | $66.91 | +6.76% | Filled | 3d | 3d | 15% | 100% | 100% | 100% |
| 2026-07-07 | $69.88 | -5.36% | Filled | 3d | 3d | 44% | 100% | 100% | 100% |
| 2026-06-25 | $82.76 | +6.68% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-06-23 | $93.55 | -8.78% | Open | — | — | 33% | 37% | 37% | 37% |
| 2026-06-18 | $86.43 | +6.20% | Filled | 1d | 3d | 52% | 100% | 100% | 100% |
| 2026-06-17 | $86.55 | +5.14% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-06-15 | $82.78 | +5.71% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-06-08 | $64.95 | +5.31% | Filled | 2d | 20d | 47% | 93% | 93% | 100% |
| 2026-06-04 | $75.20 | -5.23% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-05-26 | $65.75 | +9.51% | Filled | 4d | 9d | 42% | 81% | 100% | 100% |
| 2026-04-28 | $75.62 | -12.64% | Filled | 1d | 6d | 76% | 100% | 100% | 100% |
| 2026-04-24 | $72.91 | +6.65% | Filled | 1d | 3d | 66% | 100% | 100% | 100% |
| 2026-04-08 | $47.62 | +9.03% | Open | — | — | 19% | 19% | 19% | 19% |
| 2026-04-02 | $46.49 | -6.22% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-02-13 | $51.59 | -7.18% | Filled | 8d | 37d | 34% | 34% | 85% | 85% |
| 2026-01-15 | $48.67 | +7.30% | Filled | 1d | 2d | 88% | 100% | 100% | 100% |
| 2026-01-05 | $42.92 | +6.95% | Filled | 22d | 22d | 15% | 15% | 15% | 17% |
| 2025-11-20 | $31.43 | +6.54% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-11-04 | $37.84 | -5.76% | Filled | 1d | 19d | 52% | 75% | 75% | 100% |
| 2025-11-03 | $32.28 | +5.14% | Filled | 9d | 9d | 8% | 48% | 100% | 100% |
| 2025-10-28 | $33.18 | -7.75% | Filled | 1d | 2d | 92% | 100% | 100% | 100% |
| 2025-10-16 | $31.28 | +5.26% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-10-13 | $28.26 | +6.33% | Open | — | — | 19% | 37% | 37% | 37% |
| 2025-10-07 | $30.57 | +9.72% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-09-16 | $25.68 | +8.70% | Open | 1d | — | 64% | 79% | 79% | 79% |
| 2025-08-07 | $22.21 | +5.09% | Open | 1d | — | 79% | 79% | 79% | 79% |
| 2025-07-29 | $21.23 | +15.50% | Open | 3d | — | 4% | 90% | 90% | 90% |
| 2025-04-23 | $15.96 | +6.02% | Open | 1d | — | 70% | 70% | 70% | 70% |
| 2025-04-10 | $17.98 | -5.45% | Filled | 3d | 16d | 15% | 50% | 67% | 100% |
| 2025-02-11 | $24.36 | -8.58% | Open | — | — | 43% | 44% | 49% | 49% |
| 2024-10-29 | $29.53 | -15.37% | Open | 1d | — | 70% | 70% | 76% | 76% |
| 2024-10-04 | $29.09 | +5.50% | Filled | 2d | 14d | 40% | 64% | 64% | 100% |
| 2024-08-05 | $28.63 | -6.04% | Filled | 1d | 1d | 100% | 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% | Filled | 1d | 2d | 77% | 100% | 100% | 100% |
| 2023-10-31 | $20.44 | -9.49% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2023-09-07 | $27.26 | -14.75% | Filled | 50d | 55d | 3% | 3% | 3% | 3% |
Related: AMKR quote & chart · After hours · Technical analysis · Fundamentals · Earnings · Short interest
Frequently Asked Questions
What is AMKR's premarket price?
Amkor Technology (AMKR) is trading at $54.56 in premarket, down $0.07 (0.13%) from the previous close of $54.63.
Why is AMKR moving in premarket?
Amkor Technology (AMKR) is down 0.13% 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, 75% of AMKR gap-ups have fully filled and 68% 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 1 unfilled gap from the past 60 days. The largest is a -6.2% gap down from Aug 18, 2026 and is currently 45% retraced.
What's the average return after a AMKR gap?
Based on 47 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 +3.61%.
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.