43.26 USD
↘ 6.77 (13.50%)PRE MARKET (AS OF 05:29 AM EDT)
ALGM Stock Premarket
Allegro MicroSystems, Inc. Common Stock
ALGMNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
ALGM last traded at $43.26 in premarket, down $6.77 (13.50%) from its previous close of $50.03. Historically, 0% of ALGM gap-downs of 5% or more have fully filled within one trading day.
📅 ALGM is scheduled to report earnings on Jul 30, 2026 before the open (confirmed), with an estimated EPS of $0.20. 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 8 qualifying gap events (gaps of 5% or more at the open) — 5 gap-ups and 3 gap-downs. Gap-ups averaged +6.6%, 80% have fully filled, median time to fill 4.5 trading days. Gap-downs averaged -9.6%, 100% have fully filled, median time to fill 5 trading days. Most recent: a +6.6% gap up 2 days ago, which filled in 2 trading days. Average 20-trading-day return after a ALGM gap up: +41.4%. After a gap down: +5.67%.
Gap Ups5 events
Fill Rate
80.0%
Avg Gap
6.6%
Avg 50% Fill
2d
Avg Fill
4.5d
Gap Downs3 events
Fill Rate
100.0%
Avg Gap
9.6%
Avg 50% Fill
3d
Avg Fill
5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 80% | 100% | 100% | 100% |
| fills 50% | 40% | 80% | 80% | 80% |
| fills 75% | 40% | 80% | 80% | 80% |
| fills 100% | 0% | 60% | 80% | 80% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 67% | 100% | 100% | 100% |
| fills 50% | 33% | 100% | 100% | 100% |
| fills 75% | 0% | 67% | 67% | 100% |
| fills 100% | 0% | 67% | 67% | 100% |
Complete Gap History — 8 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2 days ago | $50.85 | +6.60% | Filled | 1d | 2d | 90% | 100% | 100% | 100% |
| 7 days ago | $51.47 | +5.70% | Filled | 3d | 3d | 0% | 100% | 100% | 100% |
| 9 days ago | $56.56 | -6.35% | Filled | 3d | 3d | 22% | 100% | 100% | 100% |
| 21 days ago | $55.42 | +5.40% | Filled | 1d | 6d | 92% | 100% | 100% | 100% |
| 23 days ago | $61.58 | -7.76% | Filled | 3d | 5d | 35% | 100% | 100% | 100% |
| 28 days ago | $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% |
Frequently Asked Questions
What is ALGM's premarket price?
Allegro MicroSystems (ALGM) is trading at $43.26 in premarket, down $6.77 (13.50%) from the previous close of $50.03.
Why is ALGM moving in premarket?
Allegro MicroSystems (ALGM) is down 13.50% 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 ALGM premarket headlines and gap history below for the likely catalyst.
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, 80% of ALGM gap-ups have fully filled and 100% of gap-downs have filled. Median time to fill is 5 trading days for gap-ups and 5 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 8 qualifying gap events over the past 5 years, the average 20-trading-day return after a ALGM gap up is +41.4%, and after a gap down is +5.67%.
When does ALGM report earnings?
ALGM is scheduled to report earnings on Jul 30, 2026 before the open (confirmed), with an estimated EPS of $0.20. Allegro MicroSystems (ALGM) has officially announced it will release its first quarter fiscal year 2027 financial results on Thursday, July 30, 2026, before the market opens, followed by a conference call at 8:30 AM ET.