Power Integrations, Inc. (POWI) P/E Ratio History
Historical price-to-earnings valuation from 1998 to 2025
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POWI Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 6, 2026, Power Integrations, Inc. (POWI) trades at a price-to-earnings ratio of 200.6x, with a stock price of $78.23 and trailing twelve-month earnings per share of $0.40.
The current P/E is 210% above its 5-year average of 64.7x. Over the past five years, POWI's P/E has ranged from a low of 20.2x to a high of 129.7x, placing the current valuation at the 100th percentile of its historical range.
Compared to the Technology sector median P/E of 27.5x, POWI trades at a 630% premium to its sector peers. The sector includes 357 companies with P/E ratios ranging from 0.0x to 175.4x.
Relative to the broader market, POWI commands a significant premium over the S&P 500 median P/E of 25.2x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our POWI DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
POWI P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $81B | 129.6 | 4.39 | -65% | |
| $5B | 81.2 | - | +51%Best | |
| $41B | 364.7 | - | -92% | |
| $52B | 321.9 | - | -89% | |
| $340B | 49.5Lowest | 2.88Best | +1% | |
| $371B | 71.6 | 3.20 | +43% | |
| $264B | 53.1 | - | +5% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
POWI Historical P/E Data (1998–2025)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2025 Q4 | Wed Dec 31 2025 00:00:00 GM | $35.54 | $0.39 | 91.1x | +97% |
| FY2025 Q3 | $40.21 | $0.31 | 129.7x | +180% | |
| FY2025 Q2 | Mon Jun 30 2025 00:00:00 GM | $55.90 | $0.58 | 95.7x | +107% |
| FY2025 Q1 | Mon Mar 31 2025 00:00:00 GM | $50.50 | $0.65 | 78.3x | +69% |
| FY2024 Q4 | $61.70 | $0.56 | 109.3x | +136% | |
| FY2024 Q3 | Mon Sep 30 2024 00:00:00 GM | $64.12 | $0.65 | 98.0x | +112% |
| FY2024 Q2 | Sun Jun 30 2024 00:00:00 GM | $70.19 | $0.74 | 94.3x | +104% |
| FY2024 Q1 | Sun Mar 31 2024 00:00:00 GM | $71.55 | $0.92 | 77.8x | +68% |
| FY2023 Q4 | Sun Dec 31 2023 00:00:00 GM | $82.11 | $0.97 | 84.6x | +83% |
| FY2023 Q3 | Sat Sep 30 2023 00:00:00 GM | $76.31 | $1.12 | 68.1x | +47% |
| FY2023 Q2 | Fri Jun 30 2023 00:00:00 GM | $94.67 | $1.58 | 59.9x | +29% |
| FY2023 Q1 | Fri Mar 31 2023 00:00:00 GM | $84.64 | $2.28 | 37.1x | -20% |
Average P/E for displayed period: 46.3x
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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.
Is POWI stock overvalued or undervalued?
POWI trades at 200.6x P/E, above its 5-year average of 64.7x. The 100th percentile ranking indicates a premium to historical valuation.
How does POWI's valuation compare to peers?
Power Integrations, Inc. P/E of 200.6x compares to sector median of 27.5x. The premium reflects expected growth above peers.
What is POWI's PEG ratio?
POWI PEG ratio is N/A. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 1998-2025.