Allegro MicroSystems, Inc. (ALGM) Stock Price History
Historical prices from 2020 to 2026
- 1M
- +42.7%
- 3M
- +87.2%
- YTD
- +119.2%
- 1Y
- +89.9%
- 3Y
- +12.2%
- 5Y
- +17.3%
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 June 21, 2026, Allegro MicroSystems, Inc. (ALGM) trades at $59.00, representing a +89.9% return over the past year. The stock has delivered a +122.2% total return over five years (+17.3% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $59.56 on June 18, 2026. From this peak, ALGM has corrected -0.9%, currently trading 70% above its 200-day moving average, indicating continued institutional support.
When compared to Technology sector peers MPWR (+125.6% 1Y), DIOD (+137.4% 1Y), and POWI (+61.2% 1Y), ALGM has underperformed the peer group average. Compare ALGM vs MPWR →
ALGM Historical Price Data · from 2020
Rows 1–50 of 1,416| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 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% |
| 2026-04-30 | 44.99 | 48.60 | 44.22 | 48.50 | 3.07M | +10.05% |
| 2026-04-29 | 42.20 | 44.41 | 42.19 | 44.07 | 2.41M | +7.17% |
| 2026-04-28 | 41.74 | 42.94 | 40.97 | 41.12 | 2.39M | -5.41% |
| 2026-04-27 | 44.13 | 44.50 | 42.31 | 43.47 | 1.78M | -1.50% |
| 2026-04-24 | 45.05 | 45.09 | 43.65 | 44.13 | 1.86M | +1.19% |
| 2026-04-23 | 44.07 | 45.33 | 43.13 | 43.61 | 2.81M | +3.17% |
| 2026-04-22 | 42.29 | 42.60 | 40.93 | 42.27 | 1.71M | +2.40% |
| 2026-04-21 | 40.85 | 42.00 | 40.84 | 41.28 | 1.71M | +1.55% |
| 2026-04-20 | 40.05 | 40.69 | 39.75 | 40.65 | 1.65M | +1.63% |
| 2026-04-17 | 39.02 | 40.61 | 39.02 | 40.00 | 1.57M | +4.66% |
| 2026-04-16 | 37.44 | 38.33 | 37.20 | 38.22 | 1.26M | +2.60% |
| 2026-04-15 | 38.02 | 38.49 | 37.00 | 37.25 | 1.31M | -2.67% |
| 2026-04-14 | 38.30 | 38.72 | 37.77 | 38.27 | 1.03M | +0.60% |
| 2026-04-13 | 37.19 | 38.63 | 36.82 | 38.04 | 1.58M | +1.44% |
| 2026-04-10 | 37.66 | 38.75 | 37.44 | 37.50 | 1.49M | +1.30% |
| 2026-04-09 | 35.44 | 37.05 | 35.44 | 37.02 | 1.82M | +3.21% |
Full Stock Analysis
Deep dive into ALGM consensus models and risk factors.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
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 +89.9% over the past year, beating its 5-year annualized CAGR of +17.3%. The stock trades above its 200-day moving average, confirming the uptrend.
What is ALGM's all-time high price?
Allegro MicroSystems, Inc. reached $59.55 on 2026-06-18. The 52-week high is $59.55. Current 1-year return of +89.9% 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.