Last 48 quarters of trend data · Technology · Semiconductors
Quarterly valuation ratios — annualised for comparability. YoY Δ shows same-quarter-prior-year change.
| Metric | TTM | Q3 '26 | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 | Q4 '22 | Q3 '22 | Q2 '22 | Q1 '22 | Q4 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P/E Ratio → | 30.97 | 25.47 | 27.36 | 53.33 | 56.07 | 42.91 | 13.36 | — | 85.65 | 53.41 | 105.78 | 58.75 | 36.60 | 18.77 | 13.06 | 15.06 | 9.52 | 8.63 | 9.22 | 13.68 | 19.20 |
| — | -40.6% | +104.9% | — | -34.5% | -19.7% | -87.4% | — | +134.0% | +184.5% | +709.7% | +290.1% | +284.6% | +117.5% | +41.6% | +10.1% | -50.4% | -42.8% | -43.6% | -40.4% | -35.7% | |
| P/S Ratio | 2.00 | 2.10 | 2.85 | 1.94 | 1.46 | 1.58 | 1.68 | 1.51 | 2.11 | 2.13 | 2.61 | 2.70 | 2.88 | 2.26 | 2.29 | 2.29 | 1.77 | 1.43 | 1.48 | 2.07 | 2.63 |
| — | +33.4% | +70.0% | +28.9% | -30.9% | -25.9% | -35.6% | -44.2% | -26.9% | -5.8% | +13.8% | +17.9% | +63.1% | +57.5% | +55.0% | +10.8% | -32.7% | -34.7% | -28.1% | -5.4% | +3.6% | |
| P/B Ratio | 1.85 | 2.21 | 2.51 | 1.61 | 1.18 | 1.27 | 1.27 | 1.07 | 1.53 | 1.58 | 1.80 | 1.79 | 2.06 | 2.08 | 2.47 | 2.57 | 2.22 | 2.04 | 2.09 | 2.93 | 3.87 |
| — | +74.5% | +97.8% | +51.0% | -23.1% | -19.7% | -29.4% | -40.2% | -25.6% | -23.9% | -27.2% | -30.4% | -7.2% | +1.7% | +18.4% | -12.3% | -42.7% | -39.9% | -34.1% | -14.2% | +10.7% | |
| P/FCF | 28.75 | 25.48 | 36.47 | 24.27 | 45.96 | 9.83 | 29.15 | 12.25 | 11.51 | 18.91 | — | — | 83.90 | 78.63 | 19.22 | 20.66 | 22.43 | 11.97 | 16.28 | 29.52 | 56.03 |
| — | +159.1% | +25.1% | +98.1% | +299.1% | -48.0% | — | — | -86.3% | -76.0% | — | — | +274.1% | +557.1% | +18.1% | -30.0% | -60.0% | -33.1% | +18.7% | +66.8% | +111.0% | |
| EV / EBITDA | 12.10 | 11.03 | 17.23 | 12.95 | 10.37 | 11.15 | 12.12 | 11.54 | 14.13 | 12.26 | 20.97 | 16.21 | 15.84 | 9.61 | 8.17 | 8.50 | 6.47 | 4.97 | 5.32 | 8.05 | 10.76 |
| — | -1.0% | +42.2% | +12.2% | -26.6% | -9.1% | -42.2% | -28.8% | -10.8% | +27.6% | +156.7% | +90.6% | +144.6% | +93.3% | +53.6% | +5.7% | -39.8% | -47.7% | -43.7% | -33.1% | -23.2% | |
| EV / EBIT | 92.57 | 17.18 | 85.44 | 34.34 | 31.87 | 27.54 | 10.21 | — | 51.79 | 35.34 | 57.57 | 40.06 | 30.91 | 15.10 | 9.80 | 11.25 | 8.67 | 6.49 | 6.88 | 10.52 | 11.40 |
| — | -37.6% | +736.9% | — | -38.5% | -22.1% | -82.3% | — | +67.5% | +134.0% | +487.2% | +255.9% | +256.4% | +132.8% | +42.4% | +7.0% | -23.9% | -45.0% | -44.8% | -40.7% | -51.6% |
Quarterly margins and returns. Watch for margin compression across consecutive quarters.
| Metric | TTM | Q3 '26 | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 | Q4 '22 | Q3 '22 | Q2 '22 | Q1 '22 | Q4 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 31.2% | 36.1% | 33.1% | 31.8% | 31.1% | 30.7% | 31.5% | 31.5% | 32.7% | 33.7% | 33.6% | 33.0% | 34.9% | 38.5% | 41.8% | 41.6% | 41.6% | 41.8% | 41.2% | 40.8% | 39.7% |
| — | +17.6% | +5.2% | +0.8% | -4.7% | -8.9% | -6.2% | -4.4% | -6.2% | -12.5% | -19.7% | -20.8% | -16.1% | -7.8% | +1.4% | +2.0% | +4.6% | +8.7% | +13.6% | +21.6% | +13.4% | |
| Operating Margin | 2.4% | 11.9% | 7.5% | 4.9% | 3.4% | 3.0% | 2.6% | 0.4% | 3.5% | 6.2% | 1.2% | 4.3% | 6.4% | 13.3% | 19.2% | 18.5% | 19.4% | 21.6% | 21.2% | 19.3% | 17.9% |
| — | +303.5% | +191.4% | +1158.3% | -4.0% | -52.8% | +121.1% | -90.9% | -45.3% | -53.1% | -94.0% | -76.8% | -67.0% | -38.3% | -9.6% | -4.2% | +8.5% | +31.6% | +42.9% | +68.3% | +57.8% | |
| Net Margin | 4.5% | 8.2% | 10.5% | 3.7% | 2.6% | 3.6% | 12.6% | -1.3% | 2.4% | 3.9% | 2.5% | 4.6% | 7.8% | 12.0% | 17.6% | 15.2% | 18.6% | 16.6% | 16.0% | 15.1% | 13.6% |
| — | +125.4% | -16.8% | +376.2% | +7.3% | -7.3% | +403.1% | -128.7% | -69.0% | -67.4% | -85.8% | -69.5% | -57.8% | -27.3% | +9.7% | +1.0% | +36.0% | +14.2% | +27.3% | +57.9% | +60.8% |
| Metric | TTM | Q3 '26 | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 | Q4 '22 | Q3 '22 | Q2 '22 | Q1 '22 | Q4 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 3.5% | 2.2% | 2.3% | 0.8% | 0.5% | 0.7% | 2.4% | -0.2% | 0.4% | 0.7% | 0.4% | 0.8% | 1.4% | 2.8% | 4.8% | 4.4% | 6.0% | 6.0% | 5.8% | 5.5% | 5.2% |
| — | +193.8% | -3.1% | +424.3% | +19.5% | -0.0% | +456.6% | -130.7% | -69.0% | -73.6% | -91.0% | -82.4% | -76.6% | -53.4% | -16.3% | -19.8% | +16.3% | +3.5% | +14.7% | +43.5% | +98.2% | |
| ROA | 2.7% | 1.5% | 1.8% | 0.6% | 0.4% | 0.6% | 1.9% | -0.2% | 0.3% | 0.6% | 0.3% | 0.6% | 1.1% | 2.1% | 3.5% | 3.1% | 4.0% | 3.7% | 3.6% | 3.3% | 3.1% |
| — | +166.6% | -3.8% | +423.4% | +20.2% | -0.1% | +463.0% | -131.5% | -67.9% | -72.2% | -90.4% | -80.9% | -72.9% | -44.0% | -1.6% | -6.7% | +28.0% | +9.6% | +29.6% | +67.8% | +108.7% | |
| ROIC | 1.6% | 2.6% | 1.5% | 0.9% | 0.6% | 0.5% | 0.4% | 0.1% | 0.5% | 1.0% | 0.2% | 0.6% | 1.0% | 2.7% | 4.5% | 4.4% | 5.1% | 6.1% | 6.0% | 5.4% | 5.2% |
| — | +403.5% | +248.1% | +1397.7% | +10.3% | -47.2% | +158.3% | -90.0% | -45.4% | -62.8% | -96.3% | -86.5% | -80.4% | -56.1% | -24.1% | -18.7% | -2.7% | +23.3% | +42.7% | +86.3% | +103.5% |
Quarterly solvency trend — watch for debt spikes or covenant pressure.
| Metric | TTM | Q3 '26 | Q2 '26 | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 | Q4 '22 | Q3 '22 | Q2 '22 | Q1 '22 | Q4 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.05 | 0.23 | 0.03 | 0.05 | 0.05 | 0.03 | 0.03 | 0.03 | 0.05 | 0.03 | 0.04 | 0.06 | 0.05 | 0.03 | 0.05 | 0.08 | 0.13 | 0.20 | 0.19 | 0.17 | 0.26 |
| — | +681.3% | +24.8% | +95.2% | +0.5% | -3.0% | -35.5% | -52.6% | -9.7% | +1.6% | -16.4% | -22.8% | -59.7% | -85.0% | -72.4% | -55.8% | -47.4% | -2.4% | -29.0% | -56.4% | -46.6% | |
| Debt / EBITDA | 0.53 | 4.74 | 1.03 | 1.90 | 1.97 | 1.20 | 1.19 | 1.39 | 1.96 | 1.04 | 2.14 | 2.22 | 1.78 | 0.60 | 0.72 | 1.04 | 1.63 | 2.03 | 1.93 | 1.90 | 2.87 |
| — | +294.3% | -13.8% | +37.3% | +0.7% | +15.3% | -44.2% | -37.6% | +10.3% | +73.8% | +195.5% | +112.6% | +8.8% | -70.4% | -62.5% | -45.1% | -43.1% | -13.3% | -38.5% | -64.1% | -60.4% | |
| Current Ratio | 3.32 | 3.07 | 3.17 | 3.17 | 3.32 | 3.32 | 3.33 | 3.43 | 3.26 | 3.58 | 3.38 | 3.18 | 3.02 | 2.85 | 2.81 | 2.87 | 2.69 | 2.50 | 2.43 | 2.49 | 2.52 |
| — | -7.3% | -4.9% | -7.7% | +1.9% | -7.3% | -1.5% | +7.8% | +8.0% | +25.6% | +20.3% | +10.8% | +12.4% | +14.2% | +15.7% | +15.6% | +6.5% | +4.3% | +7.2% | +2.4% | +25.5% | |
| Quick Ratio | 2.08 | 2.02 | 1.99 | 1.97 | 2.08 | 2.09 | 2.04 | 2.11 | 1.99 | 2.21 | 2.10 | 2.05 | 2.03 | 2.02 | 2.02 | 2.00 | 1.85 | 1.76 | 1.69 | 1.69 | 1.78 |
| — | -3.3% | -2.3% | -6.8% | +4.1% | -5.5% | -3.0% | +3.2% | -1.6% | +9.4% | +4.0% | +2.4% | +9.4% | +14.7% | +19.8% | +18.4% | +4.0% | +5.7% | +5.1% | -4.0% | +26.7% | |
| Interest Coverage | 31.24 | 78.47 | 41.37 | 30.48 | 12.13 | 38.84 | 106.18 | -4.93 | 25.84 | 42.23 | 16.03 | 36.35 | 58.96 | 62.85 | 47.12 | 42.55 | 33.77 | 41.07 | 66.82 | 83.54 | 92.20 |
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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 31.0x. The average P/E over the last 4 quarters is 40.6x. 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.