Last 48 quarters of trend data · Technology · Semiconductors
Quarterly valuation ratios — annualised for comparability. YoY Δ shows same-quarter-prior-year change.
Diodes Incorporated's quarterly P/E stands at 53.3x. EV/EBITDA has expanded 12.2% YoY to 13.0x, reflecting rising market expectations or slowing EBITDA growth.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P/E Ratio → | 83.54 | 53.33 | 56.07 | 42.91 | 13.36 | — | 85.65 | 53.41 | 105.78 | 58.75 | 36.60 | 18.77 | 13.06 |
| — | — | -34.5% | -19.7% | -87.4% | — | +134.0% | +184.5% | +709.7% | +290.1% | +284.6% | +117.5% | +41.6% | |
| P/S Ratio | 3.70 | 1.94 | 1.46 | 1.58 | 1.68 | 1.51 | 2.11 | 2.13 | 2.61 | 2.70 | 2.88 | 2.26 | 2.29 |
| — | +28.9% | -30.9% | -25.9% | -35.6% | -44.2% | -26.9% | -5.8% | +13.8% | +17.9% | +63.1% | +57.5% | +55.0% | |
| P/B Ratio | 2.86 | 1.61 | 1.18 | 1.27 | 1.27 | 1.07 | 1.53 | 1.58 | 1.80 | 1.79 | 2.06 | 2.08 | 2.47 |
| — | +51.0% | -23.1% | -19.7% | -29.4% | -40.2% | -25.6% | -23.9% | -27.2% | -30.4% | -7.2% | +1.7% | +18.4% | |
| P/FCF | 40.02 | 24.27 | 45.96 | 9.83 | 29.15 | 12.25 | 11.51 | 18.91 | — | — | 83.90 | 78.63 | 19.22 |
| — | +98.1% | +299.1% | -48.0% | — | — | -86.3% | -76.0% | — | — | +274.1% | +557.1% | +18.1% | |
| EV / EBITDA | 29.11 | 12.95 | 10.37 | 11.15 | 12.12 | 11.54 | 14.13 | 12.26 | 20.97 | 16.21 | 15.84 | 9.61 | 8.17 |
| — | +12.2% | -26.6% | -9.1% | -42.2% | -28.8% | -10.8% | +27.6% | +156.7% | +90.6% | +144.6% | +93.3% | +53.6% | |
| EV / EBIT | 147.11 | 35.85 | 31.87 | 27.54 | 10.21 | — | 51.79 | 35.34 | 57.57 | 40.06 | 30.91 | 15.10 | 9.80 |
| — | — | -38.5% | -22.1% | -82.3% | — | +67.5% | +134.0% | +487.2% | +255.9% | +256.4% | +132.8% | +42.4% |
Quarterly margins and returns. Watch for margin compression across consecutive quarters.
Diodes Incorporated's operating margin was 4.9% in Q1 2026, up 1.5 pp QoQ and up 4.5 pp YoY. This marks the 5th consecutive quarter of margin expansion, signaling a sustained improvement in operating efficiency. The trailing four-quarter average of 3.4% lags the current quarter, suggesting the recent improvement is above-trend.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 31.2% | 31.8% | 31.1% | 30.7% | 31.5% | 31.5% | 32.7% | 33.7% | 33.6% | 33.0% | 34.9% | 38.5% | 41.8% |
| — | +0.8% | -4.7% | -8.9% | -6.2% | -4.4% | -6.2% | -12.5% | -19.7% | -20.8% | -16.1% | -7.8% | +1.4% | |
| Operating Margin | 2.4% | 4.9% | 3.4% | 3.0% | 2.6% | 0.4% | 3.5% | 6.2% | 1.2% | 4.3% | 6.4% | 13.3% | 19.2% |
| — | +1158.3% | -4.0% | -52.8% | +121.1% | -90.9% | -45.3% | -53.1% | -94.0% | -76.8% | -67.0% | -38.3% | -9.6% | |
| Net Margin | 4.5% | 3.7% | 2.6% | 3.6% | 12.6% | -1.3% | 2.4% | 3.9% | 2.5% | 4.6% | 7.8% | 12.0% | 17.6% |
| — | +376.2% | +7.3% | -7.3% | +403.1% | -128.7% | -69.0% | -67.4% | -85.8% | -69.5% | -57.8% | -27.3% | +9.7% |
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 3.5% | 0.8% | 0.5% | 0.7% | 2.4% | -0.2% | 0.4% | 0.7% | 0.4% | 0.8% | 1.4% | 2.8% | 4.8% |
| — | +424.3% | +19.5% | -0.0% | +456.6% | -130.7% | -69.0% | -73.6% | -91.0% | -82.4% | -76.6% | -53.4% | -16.3% | |
| ROA | 2.7% | 0.6% | 0.4% | 0.6% | 1.9% | -0.2% | 0.3% | 0.6% | 0.3% | 0.6% | 1.1% | 2.1% | 3.5% |
| — | +423.4% | +20.2% | -0.1% | +463.0% | -131.5% | -67.9% | -72.2% | -90.4% | -80.9% | -72.9% | -44.0% | -1.6% | |
| ROIC | 1.6% | 0.9% | 0.6% | 0.5% | 0.4% | 0.1% | 0.5% | 1.0% | 0.2% | 0.6% | 1.0% | 2.7% | 4.5% |
| — | +1397.7% | +10.3% | -47.2% | +158.3% | -90.0% | -45.4% | -62.8% | -96.3% | -86.5% | -80.4% | -56.1% | -24.1% |
Quarterly solvency trend — watch for debt spikes or covenant pressure.
Diodes Incorporated's Debt/EBITDA ratio is 1.9x, down from 2.0x last quarter — comfortably within a safe range. The current ratio has weakened 7.7% YoY to 3.17x, tightening the short-term liquidity position. Debt/Equity has risen for 4 consecutive quarters, indicating increasing financial leverage that investors should watch closely.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.05 | 0.05 | 0.05 | 0.03 | 0.03 | 0.03 | 0.05 | 0.03 | 0.04 | 0.06 | 0.05 | 0.03 | 0.05 |
| — | +95.2% | +0.5% | -3.0% | -35.5% | -52.6% | -9.7% | +1.6% | -16.4% | -22.8% | -59.7% | -85.0% | -72.4% | |
| Debt / EBITDA | 0.53 | 1.90 | 1.97 | 1.20 | 1.19 | 1.39 | 1.96 | 1.04 | 2.14 | 2.22 | 1.78 | 0.60 | 0.72 |
| — | +37.3% | +0.7% | +15.3% | -44.2% | -37.6% | +10.3% | +73.8% | +195.5% | +112.6% | +8.8% | -70.4% | -62.5% | |
| Current Ratio | 3.32 | 3.17 | 3.32 | 3.32 | 3.33 | 3.43 | 3.26 | 3.58 | 3.38 | 3.18 | 3.02 | 2.85 | 2.81 |
| — | -7.7% | +1.9% | -7.3% | -1.5% | +7.8% | +8.0% | +25.6% | +20.3% | +10.8% | +12.4% | +14.2% | +15.7% | |
| Quick Ratio | 2.08 | 1.97 | 2.08 | 2.09 | 2.04 | 2.11 | 1.99 | 2.21 | 2.10 | 2.05 | 2.03 | 2.02 | 2.02 |
| — | -6.8% | +4.1% | -5.5% | -3.0% | +3.2% | -1.6% | +9.4% | +4.0% | +2.4% | +9.4% | +14.7% | +19.8% | |
| Interest Coverage | 31.24 | 29.19 | 12.13 | 38.84 | 106.18 | -4.93 | 25.84 | 42.23 | 16.03 | 36.35 | 58.96 | 62.85 | 47.12 |
| — | — | — | — | — | — | — | — | — | — | — | — | — |
Includes 30+ ratios · 48 years · Updated daily
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Quick answers to the most common questions about buying DIOD stock.
Diodes Incorporated's current P/E is 83.5x. The average P/E over the last 4 quarters is 41.4x. Quarterly P/E ratios can vary due to seasonal revenue patterns and one-time charges.
Diodes Incorporated's current operating margin is 2.4%. Margins have been expanding over recent quarters. Quarterly margins are particularly useful for identifying trend inflections that annual data smooths over.
Quarterly financial ratios reveal short-term trend shifts — margin compression, debt spikes, or valuation re-ratings — that annual figures smooth over. They're essential for active investors tracking Diodes Incorporated's business trajectory between earnings reports.