Power Integrations, Inc. (POWI) Stock Price History
Historical prices from 1997 to 2026
- 1M
- -10.3%
- 3M
- -43.3%
- YTD
- +32.7%
- 1Y
- +15.0%
- 3Y
- -13.6%
- 5Y
- -14.0%
Loading 10-year price history...
POWI Historical Performance
POWI Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -27.7%
- 2003 annual price return
- +83.0%
- 2004 annual price return
- -40.7%
- 2005 annual price return
- +25.5%
- 2006 annual price return
- -7.3%
- 2007 annual price return
- +51.4%
- 2008 annual price return
- -37.7%
- 2009 annual price return
- +80.0%
- 2010 annual price return
- +9.6%
- 2011 annual price return
- -17.9%
- 2012 annual price return
- +0.7%
- 2013 annual price return
- +58.6%
- 2014 annual price return
- -5.8%
- 2015 annual price return
- -5.9%
- 2016 annual price return
- +41.5%
- 2017 annual price return
- +8.2%
- 2018 annual price return
- -19.3%
- 2019 annual price return
- +62.5%
- 2020 annual price return
- +63.9%
- 2021 annual price return
- +12.9%
- 2022 annual price return
- -22.5%
- 2023 annual price return
- +14.6%
- 2024 annual price return
- -23.0%
- 2025 annual price return
- -41.5%
- 2026 annual price return
- +62.8%
POWI Stock Price Trajectory (1997–2026)
As of September 22, 2026, Power Integrations, Inc. (POWI) trades at $49.51, representing a +15.0% return over the past year. The stock has delivered a -49.3% total return over five years (-14.0% 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 -55.3%, currently trading 13% below its 200-day moving average, suggesting potential weakness.
When compared to Technology sector peers MPWR (+38.5% 1Y), DIOD (+65.1% 1Y), and SLAB (+61.2% 1Y), POWI has underperformed the peer group average. Compare POWI vs MPWR →
POWI Historical Price Data · from 1997
Rows 1–50 of 7,236| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-09-21 | 50.03 | 50.53 | 49.47 | 49.51 | 739K | -1.75% |
| 2026-09-18 | 49.98 | 50.61 | 49.34 | 50.39 | 1.49M | +2.52% |
| 2026-09-17 | 49.22 | 50.24 | 48.68 | 49.15 | 827K | +3.15% |
| 2026-09-16 | 49.64 | 49.64 | 46.71 | 47.65 | 602K | -1.28% |
| 2026-09-15 | 49.59 | 49.91 | 47.44 | 48.27 | 757K | -0.49% |
| 2026-09-14 | 49.82 | 50.17 | 48.44 | 48.51 | 543K | -7.21% |
| 2026-09-11 | 50.68 | 53.15 | 50.51 | 52.28 | 988K | +5.21% |
| 2026-09-10 | 48.20 | 50.03 | 48.20 | 49.69 | 354K | -0.04% |
| 2026-09-09 | 49.90 | 50.24 | 49.49 | 49.71 | 675K | -1.49% |
| 2026-09-08 | 51.19 | 51.60 | 50.05 | 50.46 | 589K | +0.02% |
| 2026-09-04 | 51.00 | 51.43 | 49.77 | 50.45 | 471K | -0.18% |
| 2026-09-03 | 50.00 | 51.04 | 48.41 | 50.54 | 781K | +0.48% |
| 2026-09-02 | 50.30 | 50.60 | 48.67 | 50.30 | 1.16M | +1.04% |
| 2026-09-01 | 50.10 | 50.77 | 49.29 | 49.78 | 2.53M | -3.11% |
| 2026-08-31 | 51.52 | 52.52 | 50.90 | 51.38 | 947K | -0.25% |
| 2026-08-28 | 54.63 | 55.93 | 51.33 | 51.51 | 770K | -6.87% |
| 2026-08-27 | 56.21 | 56.97 | 54.77 | 55.31 | 667K | +0.75% |
| 2026-08-26 | 55.49 | 56.62 | 54.49 | 54.90 | 647K | +0.49% |
| 2026-08-25 | 54.59 | 54.70 | 53.28 | 54.63 | 635K | +2.73% |
| 2026-08-24 | 54.66 | 54.66 | 51.83 | 53.18 | 711K | -3.62% |
| 2026-08-21 | 55.28 | 55.64 | 54.15 | 55.18 | 747K | +0.62% |
| 2026-08-20 | 55.76 | 56.80 | 54.13 | 54.84 | 661K | -1.70% |
| 2026-08-19 | 59.40 | 59.50 | 55.69 | 55.79 | 675K | -4.78% |
| 2026-08-18 | 59.81 | 60.70 | 58.00 | 58.59 | 796K | -5.65% |
| 2026-08-17 | 63.07 | 64.65 | 61.96 | 62.10 | 529K | -1.04% |
| 2026-08-14 | 61.77 | 63.43 | 61.29 | 62.75 | 373K | +0.71% |
| 2026-08-13 | 63.48 | 64.47 | 61.90 | 62.31 | 382K | -2.40% |
| 2026-08-12 | 65.74 | 66.18 | 63.24 | 63.84 | 472K | +0.90% |
| 2026-08-11 | 63.38 | 65.14 | 62.67 | 63.27 | 513K | +2.10% |
| 2026-08-10 | 65.08 | 65.48 | 61.47 | 61.97 | 638K | -4.06% |
| 2026-08-07 | 60.71 | 64.82 | 60.71 | 64.59 | 669K | +9.51% |
| 2026-08-06 | 61.53 | 63.16 | 58.61 | 58.98 | 853K | -4.79% |
| 2026-08-05 | 63.36 | 64.03 | 61.48 | 61.95 | 797K | -4.06% |
| 2026-08-04 | 62.71 | 64.89 | 61.80 | 64.57 | 742K | +6.90% |
| 2026-08-03 | 58.44 | 61.82 | 58.44 | 60.40 | 685K | -0.51% |
| 2026-07-31 | 62.57 | 63.72 | 60.48 | 60.71 | 579K | -0.26% |
| 2026-07-30 | 59.01 | 61.68 | 58.37 | 60.87 | 698K | +7.60% |
| 2026-07-29 | 58.55 | 59.75 | 56.04 | 56.57 | 744K | -4.44% |
| 2026-07-28 | 60.35 | 62.00 | 57.28 | 59.20 | 717K | -6.64% |
| 2026-07-27 | 63.58 | 65.15 | 60.38 | 63.41 | 938K | -0.08% |
| 2026-07-24 | 70.76 | 70.76 | 63.36 | 63.46 | 678K | -10.46% |
| 2026-07-23 | 71.03 | 72.92 | 70.06 | 70.87 | 494K | -2.23% |
| 2026-07-22 | 72.54 | 74.42 | 71.80 | 72.49 | 507K | -2.55% |
| 2026-07-21 | 73.15 | 74.92 | 72.60 | 74.39 | 540K | +4.55% |
| 2026-07-20 | 71.43 | 72.47 | 70.57 | 71.15 | 498K | +0.99% |
| 2026-07-17 | 66.80 | 71.57 | 66.47 | 70.45 | 742K | +0.87% |
| 2026-07-16 | 68.64 | 70.17 | 68.03 | 69.84 | 1.05M | -1.66% |
| 2026-07-15 | 71.82 | 72.19 | 67.34 | 71.02 | 955K | +0.37% |
| 2026-07-14 | 72.73 | 73.33 | 70.41 | 70.76 | 838K | +1.90% |
| 2026-07-13 | 69.88 | 70.42 | 68.87 | 69.44 | 587K | -3.65% |
POWI 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.
POWI — Frequently Asked Questions
Quick answers to the most common questions about buying POWI stock.
How has POWI stock performed recently?
POWI returned +15.0% over the past year, beating its 5-year annualized CAGR of -14.0%. The stock trades below 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 $91.18. Current 1-year return of +15.0% 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 1997-2026, downloadable in CSV format.