Last 48 quarters of trend data · Technology · Semiconductors
Quarterly valuation ratios — annualised for comparability. YoY Δ shows same-quarter-prior-year change.
United Microelectronics Corporation's quarterly P/E stands at 0.5x, up 1.7% year-over-year.
| Metric | TTM | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P/E Ratio → | 19.63 | 0.49 | 0.32 | 0.54 | 0.58 | 0.48 | 0.37 | 0.40 | 0.49 | 0.40 | 0.28 | 0.32 | 0.34 |
| — | +1.7% | -13.0% | +35.3% | +18.3% | +18.5% | +31.7% | +26.2% | +42.4% | +107.3% | +113.6% | +58.5% | +18.6% | |
| P/S Ratio | 3.47 | 0.08 | 0.08 | 0.08 | 0.08 | 0.07 | 0.09 | 0.10 | 0.09 | 0.10 | 0.08 | 0.09 | 0.10 |
| — | +18.4% | -7.8% | -15.2% | -16.5% | -30.5% | +12.5% | +10.1% | -8.5% | +55.9% | +66.7% | +48.8% | +12.9% | |
| P/B Ratio | 2.16 | 0.05 | 0.05 | 0.06 | 0.05 | 0.04 | 0.06 | 0.06 | 0.05 | 0.06 | 0.05 | 0.06 | 0.06 |
| — | +16.7% | -8.0% | -7.4% | -14.5% | -28.2% | +13.2% | +2.0% | -13.3% | +18.6% | +13.6% | +0.8% | -17.9% | |
| P/FCF | 15.75 | 0.27 | 0.54 | 0.33 | 0.48 | 0.29 | — | 2.60 | — | 1.04 | 3.54 | — | — |
| — | -7.2% | — | -87.3% | — | -71.8% | — | — | — | +12.8% | +1524.7% | — | — | |
| EV / EBITDA | 7.66 | -0.11 | -0.09 | -0.24 | -0.32 | -0.18 | 0.12 | -0.30 | -0.27 | -0.51 | -0.38 | -0.99 | -1.09 |
| — | +39.1% | -171.6% | +20.7% | -21.0% | +63.7% | +132.9% | +70.0% | +75.6% | +37.7% | +45.8% | -35.7% | -58.5% | |
| EV / EBIT | 15.37 | -0.22 | -0.15 | -0.57 | -0.79 | -0.38 | 0.20 | -0.44 | -0.46 | -0.94 | -0.50 | -1.35 | -1.37 |
| — | +43.5% | -175.0% | -28.5% | -73.0% | +59.0% | +141.1% | +67.2% | +66.5% | +21.8% | +43.6% | -32.4% | -53.6% |
Quarterly margins and returns. Watch for margin compression across consecutive quarters.
United Microelectronics Corporation's operating margin was 19.8% in Q4 2025, up 1.0 pp QoQ and down 0.0 pp YoY. This marks the 4th consecutive quarter of margin expansion, signaling a sustained improvement in operating efficiency. The trailing four-quarter average of 18.5% lags the current quarter, suggesting the recent improvement is above-trend.
| Metric | TTM | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 29.0% | 30.7% | 29.8% | 28.7% | 26.7% | 30.4% | 33.8% | 35.2% | 30.9% | 32.4% | 35.9% | 36.0% | 35.5% |
| — | +1.0% | -11.8% | -18.4% | -13.7% | -6.2% | -5.8% | -2.2% | -12.8% | -24.5% | -24.2% | -22.6% | -18.2% | |
| Operating Margin | 18.5% | 19.8% | 18.8% | 18.4% | 16.9% | 19.8% | 23.3% | 24.5% | 21.4% | 22.6% | 26.8% | 27.8% | 26.7% |
| — | -0.1% | -19.3% | -24.7% | -20.8% | -12.4% | -13.1% | -12.2% | -20.1% | -35.1% | -32.9% | -28.8% | -24.1% | |
| Net Margin | 17.6% | 16.3% | 25.3% | 15.2% | 13.4% | 14.1% | 23.9% | 24.3% | 19.1% | 21.6% | 28.0% | 27.8% | 29.9% |
| — | +15.6% | +5.9% | -37.6% | -29.8% | -35.0% | -14.5% | -12.6% | -35.9% | -31.2% | -21.8% | -6.1% | -4.4% |
| Metric | TTM | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 11.2% | 2.7% | 4.3% | 2.4% | 2.1% | 2.3% | 4.0% | 3.8% | 2.9% | 3.4% | 4.7% | 4.6% | 4.8% |
| — | +17.2% | +7.4% | -34.9% | -29.0% | -32.5% | -15.3% | -18.1% | -39.3% | -48.8% | -47.7% | -37.1% | -31.8% | |
| ROA | 7.3% | 1.8% | 2.7% | 1.6% | 1.4% | 1.5% | 2.5% | 2.4% | 1.9% | 2.2% | 2.9% | 2.8% | 3.0% |
| — | +18.4% | +8.9% | -33.5% | -26.9% | -31.1% | -14.1% | -15.8% | -37.7% | -46.8% | -45.2% | -34.7% | -29.0% | |
| ROIC | 9.7% | 2.7% | 2.7% | 2.6% | 2.2% | 2.6% | 3.2% | 3.3% | 2.9% | 3.3% | 4.6% | 5.4% | 5.2% |
| — | +3.9% | -16.4% | -21.8% | -24.1% | -20.7% | -30.8% | -40.0% | -44.3% | -64.8% | -65.6% | -56.5% | -43.8% |
Quarterly solvency trend — watch for debt spikes or covenant pressure.
United Microelectronics Corporation's Debt/EBITDA ratio is 2.8x, down from 2.9x last quarter — at a moderate level that warrants monitoring. The current ratio has weakened 6.0% YoY to 2.30x, tightening the short-term liquidity position.
| Metric | TTM | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 | Q1 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.21 | 0.21 | 0.21 | 0.20 | 0.15 | 0.19 | 0.26 | 0.20 | 0.20 | 0.19 | 0.24 | 0.13 | 0.12 |
| — | +7.0% | -18.9% | +4.6% | -25.9% | +3.2% | +6.7% | +52.8% | +63.5% | +32.1% | +46.6% | -30.6% | -35.0% | |
| Debt / EBITDA | 0.76 | 2.78 | 2.91 | 2.72 | 2.40 | 2.84 | 3.56 | 2.78 | 3.33 | 2.77 | 3.37 | 1.63 | 1.77 |
| — | -2.2% | -18.4% | -2.2% | -27.8% | +2.5% | +5.8% | +70.4% | +88.1% | +106.9% | +166.3% | +22.7% | +5.5% | |
| Current Ratio | 2.30 | 2.30 | 2.34 | 1.77 | 2.64 | 2.45 | 2.19 | 1.66 | 2.31 | 2.19 | 2.38 | 1.67 | 2.29 |
| — | -6.0% | +6.9% | +6.6% | +14.1% | +11.9% | -7.9% | -0.8% | +1.2% | -2.3% | -3.6% | -17.1% | -14.8% | |
| Quick Ratio | 1.88 | 1.88 | 1.92 | 1.46 | 2.15 | 1.99 | 1.76 | 1.37 | 1.92 | 1.83 | 1.98 | 1.43 | 1.98 |
| — | -5.2% | +8.8% | +6.8% | +12.1% | +8.7% | -11.2% | -4.4% | -2.8% | -6.9% | -9.5% | -20.9% | -17.9% | |
| Interest Coverage | — | — | 24.48 | 30.03 | 25.34 | 26.05 | 30.20 | 38.77 | 29.52 | 30.07 | 36.01 | 49.94 | 45.04 |
| — | — | — | — | — | — | — | — | — | — | — | — | — |
Includes 30+ ratios · 48 years · Updated daily
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Start ComparisonUnited Microelectronics Corporation's current P/E is 19.6x. The average P/E over the last 4 quarters is 0.5x. Quarterly P/E ratios can vary due to seasonal revenue patterns and one-time charges.
United Microelectronics Corporation's current operating margin is 18.5%. 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 United Microelectronics Corporation's business trajectory between earnings reports.