40.75 USD
↗ 0.96 (2.41%)PRE MARKET (AS OF 05:29 AM EDT)
ASX Stock Premarket
ASE Technology Holding Co., Ltd.
ASXNYSE • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
ASX last traded at $40.75 in premarket, up $0.96 (2.41%) from its previous close of $39.79.
📅 ASX is expected to report earnings around Oct 29, 2026 before the open (estimated), with an estimated EPS of $0.34. ASX earnings details →
ASX Premarket Chart
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, ASX has had 30 qualifying gap events (gaps of 5% or more at the open) — 17 gap-ups and 13 gap-downs. Gap-ups averaged +6.6%, 71% have fully filled, median time to fill 7.5 trading days. Gap-downs averaged -6.8%, 92% have fully filled, median time to fill 5 trading days. Most recent: a -7.2% gap down on Aug 18, 2026, which filled in 15 trading days. Average 20-trading-day return after a ASX gap up: +1.47%. After a gap down: +10.03%.
Gap Ups17 events
Fill Rate
70.6%
Avg Gap
6.6%
Avg 50% Fill
3d
Avg Fill
7.5d
Gap Downs13 events
Fill Rate
92.3%
Avg Gap
6.8%
Avg 50% Fill
4d
Avg Fill
5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 41% | 88% | 94% | 100% |
| fills 50% | 12% | 53% | 71% | 82% |
| fills 75% | 6% | 47% | 53% | 82% |
| fills 100% | 0% | 35% | 41% | 59% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 38% | 62% | 77% | 92% |
| fills 50% | 31% | 62% | 77% | 92% |
| fills 75% | 31% | 62% | 62% | 92% |
| fills 100% | 15% | 62% | 62% | 77% |
Complete Gap History — 30 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 23 days ago | $39.91 | -7.19% | Filled | 8d | 15d | 5% | 14% | 71% | 100% |
| 2026-07-28 | $36.55 | -6.43% | Filled | 4d | 4d | 10% | 100% | 100% | 100% |
| 2026-07-21 | $36.90 | +7.24% | Filled | 4d | 4d | 15% | 100% | 100% | 100% |
| 2026-07-09 | $39.93 | +8.68% | Filled | 2d | 5d | 16% | 100% | 100% | 100% |
| 2026-07-07 | $43.32 | -7.62% | Filled | 3d | 3d | 28% | 100% | 100% | 100% |
| 2026-06-23 | $43.62 | -7.89% | Filled | 2d | 6d | 16% | 100% | 100% | 100% |
| 2026-06-22 | $40.56 | +6.09% | Filled | 2d | 2d | 27% | 100% | 100% | 100% |
| 2026-06-05 | $38.40 | -5.08% | Filled | 6d | 6d | 7% | 100% | 100% | 100% |
| 2026-05-26 | $34.81 | +9.45% | Filled | 9d | 9d | 10% | 36% | 100% | 100% |
| 2026-05-22 | $32.64 | +7.54% | Filled | 10d | 46d | 41% | 41% | 57% | 96% |
| 2026-05-19 | $31.65 | -5.24% | Filled | 1d | 2d | 86% | 100% | 100% | 100% |
| 2026-04-24 | $29.81 | +5.60% | Filled | 2d | 3d | 1% | 100% | 100% | 100% |
| 2026-04-08 | $22.19 | +8.16% | Open | — | — | 28% | 28% | 28% | 28% |
| 2026-03-03 | $24.20 | -5.95% | Filled | 26d | 27d | 17% | 17% | 17% | 17% |
| 2025-10-31 | $15.04 | +5.25% | Filled | 3d | 6d | 8% | 100% | 100% | 100% |
| 2025-10-29 | $13.36 | +8.38% | Filled | 16d | 18d | 23% | 23% | 23% | 100% |
| 2025-10-16 | $11.93 | +5.70% | Open | — | — | 24% | 44% | 44% | 44% |
| 2025-09-08 | $10.47 | +7.74% | Open | — | — | 6% | 31% | 31% | 43% |
| 2025-08-01 | $9.50 | +5.47% | Open | 3d | — | 28% | 75% | 75% | 96% |
| 2025-05-12 | $9.26 | +5.18% | Filled | 13d | 14d | 35% | 35% | 41% | 100% |
| 2025-04-09 | $7.42 | -5.66% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-04-07 | $7.67 | -6.00% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-04-03 | $9.03 | -5.43% | Filled | 18d | 21d | 20% | 20% | 20% | 100% |
| 2024-08-07 | $8.76 | +5.02% | Open | 1d | — | 86% | 94% | 94% | 94% |
| 2024-08-05 | $8.93 | -9.29% | Filled | 1d | 2d | 83% | 100% | 100% | 100% |
| 2024-07-11 | $12.20 | +5.33% | Filled | 1d | 2d | 55% | 100% | 100% | 100% |
| 2024-03-07 | $10.61 | +5.47% | Filled | 3d | 28d | 0% | 67% | 69% | 78% |
| 2023-08-25 | $7.52 | +5.59% | Filled | 11d | 19d | 7% | 7% | 71% | 100% |
| 2023-06-30 | $8.52 | -7.86% | Open | 10d | — | 0% | 4% | 66% | 87% |
| 2022-06-29 | $6.00 | -9.33% | Filled | 15d | 25d | 9% | 9% | 9% | 88% |
Frequently Asked Questions
What is ASX's premarket price?
ASE Technology (ASX) is trading at $40.75 in premarket, up $0.96 (2.41%) from the previous close of $39.79.
Why is ASX moving in premarket?
ASE Technology (ASX) is up 2.41% 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 ASX premarket headlines and gap history below for the likely catalyst.
When does ASX premarket trading start?
Premarket trading for ASX on the NYSE 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 ASX fill its gaps?
Over the past 5 years, 71% of ASX gap-ups have fully filled and 92% of gap-downs have filled. Median time to fill is 8 trading days for gap-ups and 5 trading days for gap-downs.
Does ASX have any unfilled gaps?
No. ASX has no unfilled gap events from the past 60 days; all recent gaps have been filled.
What's the average return after a ASX gap?
Based on 30 qualifying gap events over the past 5 years, the average 20-trading-day return after a ASX gap up is +1.47%, and after a gap down is +10.03%.
When does ASX report earnings?
ASX is expected to report earnings around Oct 29, 2026 before the open (estimated), with an estimated EPS of $0.34.