Diodes Incorporated (DIOD) Financial Ratios
30 years of historical data (1996–2025) · Technology · Semiconductors
EV/EBITDA
↓
29.11
↑+173% vs avg
5yr avg: 10.65
30Y Low5.5·High39.0
P/FCF
↓
40.02
↑+32% vs avg
5yr avg: 30.38
30Y Low9.1·High137.8
P/B Ratio
↓
2.86
↑+32% vs avg
5yr avg: 2.17
30Y Low0.7·High4.9
ROE
↓
3.5%
↑-72% vs avg
5yr avg: 12.4%
30Y Low-0%·High34%
Debt/EBITDA
↓
0.53
+6% vs avg
5yr avg: 0.50
30Y Low0.1·High15.5
Percentile shows where the current value sits in 30-year historical distribution. Sparklines show 5-year trend.
DIOD Valuation Multiples
Price-based multiples — how expensive the stock is relative to earnings, sales, book value, and cash flow
Diodes Incorporated trades at 83.5x earnings, 182% above its 5-year average of 29.7x, sitting at the 96th percentile of its historical range. Compared to the Technology sector median P/E of 29.0x, the stock trades at a premium of 188%. On a free-cash-flow basis, the stock trades at 40.0x P/FCF, 32% above the 5-year average of 30.4x.
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Market Cap | $5.5B | $2.3B | $2.9B | $3.7B | $3.5B | $5.0B | $3.7B | $2.9B | $1.6B | $1.4B | $1.3B |
| Enterprise Value | $5.2B | $2.0B | $2.6B | $3.5B | $3.4B | $5.0B | $3.9B | $2.8B | $1.6B | $1.5B | $1.5B |
| P/E Ratio → | 83.54 | 34.50 | 64.92 | 16.40 | 10.57 | 21.96 | 37.50 | 19.04 | 15.81 | — | 80.22 |
| P/S Ratio | 3.70 | 1.55 | 2.18 | 2.24 | 1.75 | 2.78 | 2.99 | 2.34 | 1.35 | 1.33 | 1.36 |
| P/B Ratio | 2.86 | 1.18 | 1.53 | 2.06 | 2.21 | 3.86 | 3.62 | 2.54 | 1.68 | 1.60 | 1.56 |
| P/FCF | 40.02 | 16.70 | 61.67 | 28.65 | 19.39 | 25.47 | 32.99 | 22.27 | 16.76 | 20.01 | 19.31 |
| P/OCF | 25.47 | 10.63 | 23.96 | 13.27 | 8.93 | 14.85 | 19.63 | 12.72 | 8.85 | 7.73 | 10.25 |
P/E links to full P/E history page with 30-year chart
DIOD EV Ratios
Enterprise-value multiples — capital-structure-neutral measures of total business value
Diodes Incorporated's enterprise value stands at 29.1x EBITDA, 173% above its 5-year average of 10.7x. The Technology sector median is 16.7x, placing the stock at a 74% premium on an enterprise-value basis.
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EV / Revenue | — | 1.36 | 2.02 | 2.11 | 1.69 | 2.77 | 3.17 | 2.26 | 1.34 | 1.39 | 1.55 |
| EV / EBITDA | 29.11 | 11.26 | 14.10 | 9.05 | 6.31 | 12.54 | 16.08 | 9.08 | 6.28 | 8.32 | 10.64 |
| EV / EBIT | 147.11 | 23.27 | 40.68 | 12.38 | 8.37 | 15.49 | 29.51 | 13.67 | 10.17 | 19.27 | 38.07 |
| EV / FCF | — | 14.72 | 56.99 | 26.98 | 18.71 | 25.33 | 34.97 | 21.46 | 16.58 | 20.94 | 22.02 |
DIOD Profitability
Margins and return-on-capital ratios measuring operating efficiency
Diodes Incorporated earns an operating margin of 2.4%. Operating margins have compressed from 15.1% to 2.4% over the past 3 years, signaling potential cost pressures or competitive headwinds. ROE of 3.5% is modest. ROIC of 1.6% represents below-average returns on invested capital.
Margins
Full margin charts and quarterly trend are on the Earnings History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 31.2% | 31.2% | 33.2% | 39.6% | 41.3% | 37.1% | 35.1% | 37.3% | 35.9% | 33.8% | 30.5% |
| Operating Margin | 2.4% | 2.4% | 3.8% | 15.1% | 20.4% | 15.3% | 10.9% | 16.1% | 12.7% | 7.6% | 4.0% |
| Net Profit Margin | 4.5% | 4.5% | 3.4% | 13.7% | 16.6% | 12.7% | 8.0% | 12.3% | 8.6% | -0.2% | 1.7% |
Return on Capital
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 3.5% | 3.5% | 2.4% | 13.4% | 23.0% | 19.7% | 9.0% | 14.4% | 11.2% | -0.2% | 1.9% |
| ROA | 2.7% | 2.7% | 1.9% | 9.8% | 14.8% | 11.0% | 5.4% | 9.7% | 6.9% | -0.1% | 1.0% |
| ROIC | 1.6% | 1.6% | 2.3% | 12.3% | 22.4% | 16.5% | 8.8% | 15.0% | 12.2% | 6.2% | 2.7% |
| ROCE | 1.7% | 1.7% | 2.5% | 13.1% | 22.8% | 17.3% | 9.5% | 15.3% | 12.3% | 6.2% | 2.7% |
DIOD Leverage & Debt
Solvency and debt-coverage ratios — lower is generally safer
Diodes Incorporated carries a Debt/EBITDA ratio of 0.5x, which is very conservative (82% below the sector average of 2.9x). The company holds a net cash position — cash of $367M exceeds total debt of $96M, providing substantial financial flexibility for buybacks, acquisitions, or weathering downturns. Interest coverage of 31.2x signals virtually no risk of debt distress — earnings comfortably cover interest obligations.
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.05 | 0.05 | 0.05 | 0.05 | 0.13 | 0.26 | 0.48 | 0.13 | 0.23 | 0.31 | 0.52 |
| Debt / EBITDA | 0.53 | 0.53 | 0.49 | 0.25 | 0.40 | 0.84 | 2.02 | 0.49 | 0.86 | 1.53 | 3.12 |
| Net Debt / Equity | — | -0.14 | -0.12 | -0.12 | -0.08 | -0.02 | 0.22 | -0.09 | -0.02 | 0.07 | 0.22 |
| Net Debt / EBITDA | -1.52 | -1.52 | -1.16 | -0.56 | -0.23 | -0.07 | 0.91 | -0.34 | -0.07 | 0.37 | 1.31 |
| Debt / FCF | — | -1.98 | -4.67 | -1.67 | -0.68 | -0.15 | 1.98 | -0.81 | -0.17 | 0.93 | 2.71 |
| Interest Coverage | 31.24 | 31.24 | 27.86 | 49.76 | 48.59 | 43.06 | 11.32 | 26.12 | 16.15 | 5.65 | 2.89 |
Net cash position: cash ($367M) exceeds total debt ($96M)
DIOD Liquidity & Efficiency
Short-term solvency ratios and asset-utilisation metrics
Diodes Incorporated's current ratio of 3.32x is well above the 1.0 safety threshold, indicating strong short-term liquidity with ample room to cover current liabilities. The quick ratio of 2.08x is notably lower than the current ratio, indicating a significant portion of current assets is tied up in inventory. The current ratio has improved from 3.02x to 3.32x over the past 3 years.
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Current Ratio | 3.32 | 3.32 | 3.26 | 3.02 | 2.69 | 2.52 | 2.01 | 2.84 | 2.89 | 2.68 | 3.95 |
| Quick Ratio | 2.08 | 2.08 | 1.99 | 2.03 | 1.85 | 1.78 | 1.41 | 2.01 | 2.04 | 1.80 | 2.91 |
| Cash Ratio | 1.00 | 1.00 | 0.84 | 0.83 | 0.79 | 0.79 | 0.54 | 0.92 | 0.98 | 0.84 | 1.50 |
| Asset Turnover | — | 0.61 | 0.55 | 0.70 | 0.87 | 0.82 | 0.62 | 0.76 | 0.80 | 0.71 | 0.62 |
| Inventory Turnover | 2.16 | 2.16 | 1.84 | 2.57 | 3.26 | 3.26 | 2.60 | 3.31 | 3.61 | 3.22 | 3.39 |
| Days Sales Outstanding | — | 75.62 | 90.62 | 81.69 | 67.37 | 72.49 | 95.04 | 76.07 | 68.67 | 69.29 | 84.15 |
DIOD Shareholder Yields
Earnings, FCF, buyback, and dividend yields — total returns to shareholders
Diodes Incorporated returns 0.6% to shareholders annually primarily through share buybacks. The earnings yield of 1.2% (inverse of P/E) provides a useful comparison to bond yields when assessing the stock's relative attractiveness to fixed income.
Dividends
Full dividend history and growth charts are on the Dividend History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend Yield | — | — | — | — | — | 0.0% | 0.1% | — | — | — | 0.4% |
| Payout Ratio | — | — | — | — | — | 0.9% | 2.2% | — | — | — | 30.6% |
Total Shareholder Return Metrics
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Earnings Yield | 1.2% | 2.9% | 1.5% | 6.1% | 9.5% | 4.6% | 2.7% | 5.3% | 6.3% | — | 1.2% |
| FCF Yield | 2.5% | 6.0% | 1.6% | 3.5% | 5.2% | 3.9% | 3.0% | 4.5% | 6.0% | 5.0% | 5.2% |
| Buyback Yield | 0.6% | 1.5% | 0.3% | 0.0% | 0.0% | 0.0% | 8.1% | 0.0% | 0.0% | 0.6% | 1.4% |
| Total Shareholder Yield | 0.6% | 1.5% | 0.3% | 0.0% | 0.0% | 0.0% | 8.1% | 0.0% | 0.0% | 0.6% | 1.8% |
| Shares Outstanding | — | $46M | $46M | $46M | $46M | $46M | $52M | $52M | $51M | $49M | $50M |
Peer Comparison
Compare DIOD with 10 similar companies in its peer group
| Company | Market Cap | P/E | EV/EBITDA | P/FCF | Gross Margin | Op Margin | ROE | ROIC | Debt/EBITDA |
|---|---|---|---|---|---|---|---|---|---|
 DIODYou | $5B | 83.5 | 29.1 | 40.0 | 31.2% | 2.4% | 3.5% | 1.6% | 0.5 |
 AOSL | $1B | -14.6 | 39.3 | — | 23.1% | -4.1% | -11.3% | -2.8% | 1.5 |
 POWI | $5B | 223.4 | 96.9 | 55.7 | 54.5% | 4.8% | 3.1% | 2.4% | — |
 MX | $216M | -7.2 | — | — | 17.6% | -17.3% | -11.3% | -12.9% | — |
 VSH | $9B | -981.8 | 33.7 | — | 19.4% | 1.9% | -0.4% | 1.6% | 4.2 |
 SIMO | $3B | 22.0 | 20.3 | 430.3 | 48.3% | 10.5% | 15.3% | 12.4% | — |
 ON | $48B | 419.4 | 34.2 | 33.6 | 32.3% | 12.5% | 1.5% | 6.1% | 2.4 |
 MPWR | $77B | 122.6 | 97.1 | 115.3 | 55.2% | 26.1% | 18.4% | 22.2% | 0.0 |
 SMTC | $15B | -344.0 | 86.2 | 92.3 | 51.6% | 12.7% | -7.3% | 11.8% | 2.8 |
 ALGM | $11B | -732.9 | 100.2 | 87.5 | 46.4% | 4.8% | -1.6% | 2.8% | 2.6 |
 TXN | $294B | 59.2 | 38.2 | 112.9 | 57.0% | 34.1% | 30.1% | 15.8% | 1.9 |
| Technology Median | — | 29.0 | 16.7 | 19.2 | 48.8% | 0.2% | 1.6% | 2.7% | 2.9 |
Peer selection based on competitive and market overlap. Compare multiple stocks →
Download Financial Ratios Data
Includes 30+ ratios · 30 years · Updated daily
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DIOD — Frequently Asked Questions
Quick answers to the most common questions about buying DIOD stock.
What is Diodes Incorporated's P/E ratio?
Diodes Incorporated's current P/E ratio is 83.5x. The historical average is 30.8x. This places it at the 96th percentile of its historical range.
What is Diodes Incorporated's EV/EBITDA?
Diodes Incorporated's current EV/EBITDA is 29.1x. This enterprise value multiple compares the company's total value (equity + debt - cash) to its EBITDA. The historical average is 13.3x.
What is Diodes Incorporated's ROE?
Diodes Incorporated's return on equity (ROE) is 3.5%. The historical average is 12.0%.
Is DIOD stock overvalued?
Based on historical data, Diodes Incorporated is trading at a P/E of 83.5x. This is at the 96th percentile of its historical P/E range. Compare with industry peers and growth rates for a complete picture.
What are Diodes Incorporated's profit margins?
Diodes Incorporated has 31.2% gross margin and 2.4% operating margin.
How much debt does Diodes Incorporated have?
Diodes Incorporated's Debt/EBITDA ratio is 0.5x, indicating low leverage. A ratio below 2x is generally considered financially healthy.