31.71 USD
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ALGM Stock Premarket
Allegro MicroSystems, Inc. Common Stock
ALGMNASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
📅 ALGM is expected to report earnings around Feb 4, 2027 before the open (estimated), with an estimated EPS of $0.27. ALGM earnings details →
ALGM Premarket Chart
ALGM Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, ALGM has had 11 qualifying gap events (gaps of 5% or more at the open) — 6 gap-ups and 5 gap-downs. Gap-ups averaged +6.5%, 83% have fully filled, median time to fill 4 trading days. Gap-downs averaged -8.3%, 80% have fully filled, median time to fill 4 trading days. Most recent: a -7% gap down on Jul 28, 2026, still unfilled. Average 20-trading-day return after a ALGM gap up: +0.42%. After a gap down: -3.27%.
Gap Ups6 events
Fill Rate
83.3%
Avg Gap
6.5%
Avg 50% Fill
1d
Avg Fill
4d
Gap Downs5 events
Fill Rate
80.0%
Avg Gap
8.3%
Avg 50% Fill
2d
Avg Fill
4d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 83% | 100% | 100% | 100% |
| fills 50% | 50% | 83% | 83% | 83% |
| fills 75% | 33% | 83% | 83% | 83% |
| fills 100% | 0% | 67% | 83% | 83% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 80% | 100% | 100% | 100% |
| fills 50% | 40% | 80% | 80% | 80% |
| fills 75% | 20% | 60% | 60% | 80% |
| fills 100% | 20% | 60% | 60% | 80% |
Complete Gap History — 11 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-07-28 | $46.80 | -7.05% | Open | — | — | 37% | 44% | 44% | 44% |
| 2026-07-21 | $46.36 | +6.23% | Filled | 1d | 4d | 54% | 100% | 100% | 100% |
| 2026-07-17 | $47.12 | -6.03% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-07-14 | $50.85 | +6.60% | Filled | 1d | 2d | 90% | 100% | 100% | 100% |
| 2026-07-09 | $51.47 | +5.70% | Filled | 3d | 3d | 0% | 100% | 100% | 100% |
| 2026-07-07 | $56.56 | -6.35% | Filled | 3d | 3d | 22% | 100% | 100% | 100% |
| 2026-06-25 | $55.42 | +5.40% | Filled | 1d | 6d | 92% | 100% | 100% | 100% |
| 2026-06-23 | $61.58 | -7.76% | Filled | 3d | 5d | 35% | 100% | 100% | 100% |
| 2026-06-18 | $53.98 | +5.97% | Filled | 3d | 10d | 28% | 94% | 100% | 100% |
| 2026-05-07 | $51.37 | -14.54% | Filled | 1d | 14d | 75% | 75% | 75% | 100% |
| 2026-04-08 | $33.28 | +9.16% | Open | — | — | 36% | 36% | 36% | 36% |
Related: ALGM quote & chart · After hours · Technical analysis · Fundamentals · Earnings · Short interest
Frequently Asked Questions
What is ALGM's premarket price?
No premarket activity has been recorded yet for ALGM today. The previous regular-session close was $31.71.
When does ALGM premarket trading start?
Premarket trading for ALGM 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 ALGM fill its gaps?
Over the past 5 years, 83% of ALGM gap-ups have fully filled and 80% of gap-downs have filled. Median time to fill is 4 trading days for gap-ups and 4 trading days for gap-downs.
Does ALGM have any unfilled gaps?
No. ALGM has no unfilled gap events from the past 60 days; all recent gaps have been filled.
What's the average return after a ALGM gap?
Based on 11 qualifying gap events over the past 5 years, the average 20-trading-day return after a ALGM gap up is +0.42%, and after a gap down is -3.27%.
When does ALGM report earnings?
ALGM is expected to report earnings around Feb 4, 2027 before the open (estimated), with an estimated EPS of $0.27.