Allegro MicroSystems, Inc. (ALGM) Stock Price History
Historical prices from 2020 to 2026
- 1M
- -4.9%
- 3M
- +36.7%
- YTD
- +94.4%
- 1Y
- +43.0%
- 3Y
- +1.6%
- 5Y
- +14.3%
Loading 10-year price history...
ALGM Historical Performance
ALGM Annual Returns
Year-by-year price performance · 2020–2026
- 2020 annual price return
- +50.6%
- 2021 annual price return
- +41.8%
- 2022 annual price return
- -17.6%
- 2023 annual price return
- +3.2%
- 2024 annual price return
- -25.9%
- 2025 annual price return
- +15.7%
- 2026 annual price return
- +35.5%
ALGM Stock Price Trajectory (2020–2026)
As of September 24, 2026, Allegro MicroSystems, Inc. (ALGM) trades at $52.32, representing a +43.0% return over the past year. The stock has delivered a +95.4% total return over five years (+14.3% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $71.77 on June 30, 2026. From this peak, ALGM has corrected -27.1%, currently trading 42% above its 200-day moving average, indicating continued institutional support.
When compared to Technology sector peers MPWR (+90.9% 1Y), DIOD (+69.8% 1Y), and POWI (+24.9% 1Y), ALGM has underperformed the peer group average. Compare ALGM vs MPWR →
ALGM Historical Price Data · from 2020
Rows 1–50 of 1,432| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-07-14 | 54.21 | 54.40 | 51.19 | 52.32 | 1.83M | +2.88% |
| 2026-07-13 | 52.00 | 52.62 | 50.15 | 50.85 | 1.54M | -7.32% |
| 2026-07-10 | 55.71 | 56.00 | 53.48 | 54.87 | 2.25M | -4.37% |
| 2026-07-09 | 54.75 | 58.48 | 54.40 | 57.38 | 3.88M | +11.49% |
| 2026-07-08 | 51.18 | 52.52 | 49.62 | 51.47 | 3.42M | -0.16% |
| 2026-07-07 | 52.91 | 53.76 | 50.47 | 51.55 | 3.84M | -8.86% |
| 2026-07-06 | 56.62 | 62.00 | 56.01 | 56.56 | 4.49M | +1.94% |
| 2026-07-02 | 63.38 | 63.75 | 52.88 | 55.48 | 4.56M | -12.21% |
| 2026-07-01 | 66.84 | 67.90 | 63.16 | 63.20 | 3.75M | -9.22% |
| 2026-06-30 | 66.10 | 71.77 | 64.80 | 69.62 | 4.30M | +4.90% |
| 2026-06-29 | 58.02 | 67.41 | 57.32 | 66.37 | 6.95M | +14.65% |
| 2026-06-26 | 57.34 | 60.35 | 56.50 | 57.89 | 0 | -3.77% |
| 2026-06-25 | 58.43 | 60.80 | 55.65 | 60.16 | 3.60M | +8.55% |
| 2026-06-24 | 55.66 | 56.79 | 54.18 | 55.42 | 2.61M | -0.18% |
| 2026-06-23 | 57.28 | 58.46 | 55.49 | 55.52 | 3.37M | -9.84% |
| 2026-06-22 | 60.98 | 61.67 | 58.13 | 61.58 | 3.46M | +4.37% |
| 2026-06-18 | 57.20 | 59.55 | 56.29 | 59.00 | 4.41M | +9.30% |
| 2026-06-17 | 55.44 | 57.88 | 53.25 | 53.98 | 4.03M | +1.29% |
| 2026-06-16 | 54.91 | 58.13 | 53.26 | 53.29 | 3.49M | -3.11% |
| 2026-06-15 | 52.80 | 55.45 | 52.59 | 55.00 | 2.60M | +9.12% |
| 2026-06-12 | 47.64 | 50.45 | 47.47 | 50.41 | 1.61M | +5.10% |
| 2026-06-11 | 46.09 | 47.97 | 45.45 | 47.96 | 1.42M | +7.68% |
| 2026-06-10 | 45.63 | 47.05 | 44.00 | 44.54 | 1.60M | -4.48% |
| 2026-06-09 | 49.22 | 50.00 | 43.27 | 46.63 | 1.81M | -3.24% |
| 2026-06-08 | 47.87 | 48.24 | 46.43 | 48.19 | 2.07M | +3.88% |
| 2026-06-05 | 51.75 | 51.75 | 46.13 | 46.39 | 2.13M | -13.48% |
| 2026-06-04 | 50.88 | 54.40 | 50.00 | 53.62 | 2.09M | +0.96% |
| 2026-06-03 | 50.33 | 54.10 | 49.02 | 53.11 | 2.88M | +5.52% |
| 2026-06-02 | 48.64 | 50.74 | 48.40 | 50.33 | 2.32M | +6.79% |
| 2026-06-01 | 47.50 | 47.59 | 46.01 | 47.13 | 2.13M | -1.55% |
| 2026-05-29 | 51.26 | 52.80 | 47.44 | 47.87 | 2.42M | -6.32% |
| 2026-05-28 | 49.26 | 51.23 | 47.78 | 51.10 | 2.00M | +4.29% |
| 2026-05-27 | 51.58 | 51.66 | 48.75 | 49.00 | 1.93M | -3.47% |
| 2026-05-26 | 47.90 | 51.35 | 47.15 | 50.76 | 2.99M | +10.47% |
| 2026-05-22 | 45.40 | 46.15 | 45.11 | 45.95 | 1.54M | +2.80% |
| 2026-05-21 | 43.98 | 45.14 | 43.60 | 44.70 | 1.76M | +0.83% |
| 2026-05-20 | 42.27 | 44.57 | 41.27 | 44.33 | 2.37M | +6.43% |
| 2026-05-19 | 40.20 | 41.84 | 39.57 | 41.65 | 1.92M | +0.73% |
| 2026-05-18 | 42.85 | 43.75 | 40.67 | 41.35 | 2.31M | -4.06% |
| 2026-05-15 | 43.51 | 43.79 | 42.34 | 43.10 | 3.48M | -4.16% |
| 2026-05-14 | 46.06 | 46.10 | 44.86 | 44.97 | 1.87M | -2.18% |
| 2026-05-13 | 47.66 | 47.73 | 45.44 | 45.97 | 2.07M | +0.22% |
| 2026-05-12 | 47.26 | 47.62 | 43.38 | 45.87 | 3.28M | -5.21% |
| 2026-05-11 | 49.00 | 49.02 | 46.15 | 48.39 | 3.41M | -1.14% |
| 2026-05-08 | 49.17 | 49.17 | 47.26 | 48.95 | 2.54M | +2.13% |
| 2026-05-07 | 43.91 | 49.49 | 42.00 | 47.93 | 5.31M | -6.70% |
| 2026-05-06 | 50.24 | 51.40 | 49.54 | 51.37 | 3.57M | +3.40% |
| 2026-05-05 | 50.25 | 50.30 | 48.74 | 49.68 | 1.21M | +0.40% |
| 2026-05-04 | 49.42 | 50.19 | 48.75 | 49.48 | 2.28M | +1.02% |
| 2026-05-01 | 47.57 | 49.19 | 46.82 | 48.98 | 2.45M | +0.99% |
ALGM Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
ALGM — Frequently Asked Questions
Quick answers to the most common questions about buying ALGM stock.
How has ALGM stock performed recently?
ALGM returned +43.0% over the past year, beating its 5-year annualized CAGR of +14.3%. The stock trades above its 200-day moving average, confirming the uptrend.
What is ALGM's all-time high price?
Allegro MicroSystems, Inc. reached $71.77 on 2026-06-30. The 52-week high is $71.77. Current 1-year return of +43.0% places the stock closer to historical peaks.
Where can I download ALGM historical price data?
This page provides ALGM daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2020-2026, downloadable in CSV format.