Power Integrations, Inc. (POWI) Stock Price History
Historical prices from 2011 to 2026
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POWI Historical Performance
Short-Term Returns
POWI Stock Price Trajectory (2011–2026)
As of May 8, 2026, Power Integrations, Inc. (POWI) trades at $71.83, representing a +42.7% return over the past year. The stock has delivered a -8.3% total return over five years (-2.7% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $110.66 on September 2, 2021. From this peak, POWI has corrected -35.1%, currently trading 58% above its 200-day moving average, indicating continued institutional support.
When compared to Technology sector peers MPWR (+147.5% 1Y), DIOD (+187.1% 1Y), and SLAB (+100.3% 1Y), POWI has underperformed the peer group average. Compare POWI vs MPWR →
POWI Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 77.47 | 77.77 | 71.63 | 71.83 | 1.68M | -8.18% |
| 2026-05-06 | 77.45 | 78.94 | 74.66 | 78.23 | 1.23M | +1.49% |
| 2026-05-05 | 73.66 | 77.21 | 73.00 | 77.08 | 473K | +5.81% |
| 2026-05-04 | 73.58 | 74.23 | 70.49 | 72.85 | 959K | -0.64% |
| 2026-05-01 | 71.49 | 73.66 | 70.72 | 73.32 | 710K | +0.84% |
| 2026-04-30 | 71.17 | 72.75 | 70.16 | 72.71 | 1.17M | +4.33% |
| 2026-04-29 | 68.05 | 71.67 | 67.89 | 69.69 | 1.30M | +5.56% |
| 2026-04-28 | 68.00 | 69.22 | 64.87 | 66.02 | 1.47M | -6.51% |
| 2026-04-27 | 73.29 | 73.35 | 68.87 | 70.62 | 905K | -3.97% |
| 2026-04-24 | 74.79 | 75.50 | 72.75 | 73.54 | 1.21M | +1.20% |
| 2026-04-23 | 72.25 | 74.80 | 70.81 | 72.67 | 1.28M | +1.31% |
| 2026-04-22 | 69.89 | 76.22 | 69.50 | 71.73 | 2.67M | +6.47% |
| 2026-04-21 | 62.53 | 69.50 | 62.53 | 67.37 | 2.04M | +8.96% |
| 2026-04-20 | 58.98 | 62.27 | 58.90 | 61.83 | 1.10M | +5.42% |
| 2026-04-17 | 56.80 | 60.10 | 56.16 | 58.65 | 765K | +4.64% |
| 2026-04-16 | 54.88 | 56.83 | 54.84 | 56.05 | 536K | +2.15% |
| 2026-04-15 | 53.34 | 54.96 | 53.25 | 54.87 | 460K | +1.55% |
| 2026-04-14 | 54.28 | 54.60 | 53.06 | 54.03 | 493K | +1.22% |
| 2026-04-13 | 54.44 | 54.74 | 52.99 | 53.38 | 723K | -2.11% |
| 2026-04-10 | 55.05 | 55.90 | 54.18 | 54.53 | 474K | -0.02% |
| 2026-04-09 | 53.55 | 55.08 | 53.55 | 54.54 | 582K | +1.21% |
| 2026-04-08 | 53.69 | 54.50 | 52.66 | 53.89 | 749K | +4.42% |
| 2026-04-07 | 51.07 | 51.68 | 50.08 | 51.61 | 525K | +0.33% |
| 2026-04-06 | 51.05 | 53.49 | 51.00 | 51.44 | 727K | -1.78% |
| 2026-04-02 | 51.16 | 53.25 | 50.95 | 52.37 | 685K | 0.00% |
| 2026-04-01 | 51.82 | 53.50 | 51.73 | 52.37 | 772K | +2.29% |
| 2026-03-31 | 48.73 | 51.35 | 48.60 | 51.20 | 900K | +6.93% |
| 2026-03-30 | 49.94 | 50.43 | 47.56 | 47.88 | 634K | -3.27% |
| 2026-03-27 | 49.36 | 49.75 | 48.40 | 49.50 | 671K | -1.10% |
| 2026-03-26 | 51.06 | 51.98 | 49.67 | 50.05 | 1.13M | -3.73% |
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View ValuationCompare POWI vs NVDA
Side-by-side business, growth, and profitability comparison vs NVIDIA Corporation.
Start ComparisonPOWI — Frequently Asked Questions
Quick answers to the most common questions about buying POWI stock.
How has POWI stock performed recently?
POWI returned +42.7% over the past year, beating its 5-year annualized CAGR of -2.7%. The stock trades above its 200-day moving average, confirming the uptrend.
What is POWI's all-time high price?
Power Integrations, Inc. reached $110.66 on 2021-09-02. The 52-week high is $78.94. Current 1-year return of +42.7% places the stock closer to historical peaks.
Where can I download POWI historical price data?
This page provides POWI daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.