55.32 USD
↗ 1.16 (2.13%)PRE MARKET (AS OF 07:06 AM EDT)
AMKR Stock Premarket
Amkor Technology Inc
AMKRNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
AMKR is trading at $55.31 in premarket, up $1.16 (2.13%) from its previous close of $54.16.
📅 AMKR is expected to report earnings around Oct 26, 2026 after the close (estimated), with an estimated EPS of $0.79. AMKR earnings details →
AMKR Premarket Chart
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, AMKR has had 44 qualifying gap events (gaps of 5% or more at the open) — 27 gap-ups and 17 gap-downs. Gap-ups averaged +7.3%, 74% have fully filled, median time to fill 2 trading days. Gap-downs averaged -8.7%, 65% have fully filled, median time to fill 3 trading days. Most recent: a +5.5% gap up 7 days ago, which filled in 2 trading days. AMKR has 3 unfilled gaps from the past 60 days; the largest is a -14.7% gap down on Jul 28, 2026, currently 55% retraced. Average 20-trading-day return after a AMKR gap up: -1.73%. After a gap down: +5.65%.
Gap Ups27 events
Fill Rate
74.1%
Avg Gap
7.3%
Avg 50% Fill
1d
Avg Fill
2d
Gap Downs17 events
Fill Rate
64.7%
Avg Gap
8.7%
Avg 50% Fill
1d
Avg Fill
3d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 74% | 89% | 89% | 89% |
| fills 50% | 59% | 81% | 85% | 85% |
| fills 75% | 37% | 74% | 78% | 81% |
| fills 100% | 26% | 56% | 63% | 70% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 82% | 94% | 94% | 94% |
| fills 50% | 47% | 65% | 71% | 71% |
| fills 75% | 35% | 41% | 53% | 65% |
| fills 100% | 24% | 41% | 41% | 53% |
Active Unfilled Gaps (past 60 days)
8 days ago
2026-07-30
Gap %
+10.33%
Gap From
$42.73
% vs Current
-21.10%
retraced 18% to $46.35
10 days ago
2026-07-28
Gap %
-14.68%
Gap From
$60.71
% vs Current
+12.09%
retraced 55% to $56.68
45 days ago
2026-06-23
Gap %
-8.78%
Gap From
$93.55
% vs Current
+72.73%
retraced 37% to $88.34
Complete Gap History — 44 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 7 days ago | $48.26 | +5.51% | Filled | 1d | 2d | 65% | 100% | 100% | 100% |
| 8 days ago | $42.73 | +10.33% | Open | — | — | 18% | 18% | 18% | 18% |
| 10 days ago | $60.71 | -14.68% | Open | 6d | — | 3% | 52% | 55% | 55% |
| 14 days ago | $65.33 | +8.83% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 17 days ago | $62.56 | +7.19% | Filled | 1d | 5d | 52% | 100% | 100% | 100% |
| 24 days ago | $66.06 | +5.68% | Filled | 2d | 2d | 49% | 100% | 100% | 100% |
| 29 days ago | $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% |
Frequently Asked Questions
What is AMKR's premarket price?
Amkor Technology (AMKR) is trading at $55.31 in premarket, up $1.16 (2.13%) from the previous close of $54.16.
Why is AMKR moving in premarket?
Amkor Technology (AMKR) is up 2.13% 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, 74% of AMKR gap-ups have fully filled and 65% of gap-downs have filled. Median time to fill is 2 trading days for gap-ups and 3 trading days for gap-downs.
Does AMKR have any unfilled gaps?
Yes. AMKR has 3 unfilled gaps from the past 60 days. The largest is a -14.7% gap down from Jul 28, 2026 and is currently 55% retraced.
What's the average return after a AMKR gap?
Based on 44 qualifying gap events over the past 5 years, the average 20-trading-day return after a AMKR gap up is -1.73%, and after a gap down is +5.65%.
When does AMKR report earnings?
AMKR is expected to report earnings around Oct 26, 2026 after the close (estimated), with an estimated EPS of $0.79.