Last 26 quarters of trend data · Technology · Semiconductors
Quarterly valuation ratios — annualised for comparability. YoY Δ shows same-quarter-prior-year change.
| Metric | TTM | Q1 '27 | Q4 '26 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P/E Ratio → | -391.06 | 180.91 | — | 150.62 | 212.21 | — | — | — | — | — | — | 44.51 | 23.49 | 36.40 | 37.49 | 22.91 | 20.77 | 100.52 | 54.62 | 50.72 | 50.65 |
| — | — | — | — | — | — | — | — | — | — | — | +94.3% | +13.1% | -63.8% | -31.4% | -54.8% | -59.0% | +106.0% | -61.0% | — | — | |
| P/S Ratio | 6.59 | 10.48 | 5.74 | 5.46 | 6.46 | 7.75 | 5.94 | 5.76 | 6.14 | 8.18 | 5.41 | 5.77 | 5.65 | 7.91 | 8.68 | 5.89 | 4.38 | 4.73 | 6.81 | 8.87 | 8.52 |
| — | +35.2% | -3.3% | -5.3% | +5.2% | -5.2% | +9.7% | -0.2% | +8.5% | +3.5% | -37.7% | -2.0% | +29.2% | +67.0% | +27.5% | -33.6% | -48.7% | -31.8% | -1.4% | +23.8% | — | |
| P/B Ratio | 6.09 | 11.25 | 5.83 | 5.18 | 5.84 | 6.83 | 4.92 | 4.39 | 4.90 | 4.92 | 4.60 | 5.19 | 5.67 | 8.56 | 9.68 | 6.56 | 5.10 | 5.40 | 7.42 | 9.52 | 10.05 |
| — | +64.9% | +18.5% | +18.0% | +19.2% | +38.7% | +6.9% | -15.4% | -13.7% | -42.5% | -52.5% | -20.9% | +11.3% | +58.6% | +30.4% | -31.1% | -49.3% | -35.9% | -10.0% | +16.5% | — | |
| P/FCF | 46.96 | 188.15 | 74.63 | 30.32 | 99.42 | 30.92 | 76.50 | — | 206.23 | 58.83 | — | 38.59 | 100.26 | 532.03 | 134.95 | 37.11 | 30.22 | 46.51 | 58.24 | 62.00 | 127.87 |
| — | +508.6% | -2.5% | — | -51.8% | -47.4% | — | — | +105.7% | -88.9% | — | +4.0% | +231.7% | +1043.9% | +131.7% | -40.2% | -76.4% | -17.5% | +103.4% | +42.6% | — | |
| EV / EBITDA | 54.26 | 64.93 | 40.38 | 48.57 | 62.71 | 120.87 | 442.56 | 67.80 | 60.25 | 236.60 | 34.92 | 26.16 | 16.78 | 24.98 | 29.30 | 17.81 | 13.56 | 36.37 | 30.86 | 33.64 | 31.41 |
| — | -46.3% | -90.9% | -28.4% | +4.1% | -48.9% | +1167.4% | +159.2% | +258.9% | +847.2% | +19.2% | +46.9% | +23.8% | -31.3% | -5.0% | -47.1% | -56.8% | +28.1% | -16.6% | — | — | |
| EV / EBIT | 140.17 | 126.04 | 263.40 | 238.84 | 475.31 | — | — | 6814.46 | — | — | 58.21 | 36.99 | 20.00 | 30.84 | 32.94 | 19.15 | 16.38 | 76.41 | 43.24 | 40.36 | 39.38 |
| — | — | — | -96.5% | — | — | — | +18322.8% | — | — | +76.7% | +93.1% | +22.1% | -59.6% | -23.8% | -52.5% | -58.4% | +95.8% | -68.7% | — | — |
Quarterly margins and returns. Watch for margin compression across consecutive quarters.
| Metric | TTM | Q1 '27 | Q4 '26 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 46.4% | 48.5% | 47.1% | 46.7% | 46.3% | 44.9% | 41.4% | 45.7% | 45.7% | 44.8% | 51.2% | 52.5% | 57.9% | 56.8% | 56.8% | 57.3% | 55.5% | 54.4% | 54.7% | 55.9% | 53.0% |
| — | +7.9% | +13.6% | +2.3% | +1.4% | +0.2% | -19.2% | -13.0% | -21.0% | -21.1% | -9.8% | -8.4% | +4.2% | +4.4% | +3.8% | +2.6% | +4.9% | +4.9% | +8.1% | +20.0% | +11.2% | |
| Operating Margin | 4.8% | 9.8% | 7.2% | 4.2% | 2.9% | -1.3% | -6.8% | -0.0% | 2.2% | -6.4% | 6.6% | 14.4% | 26.5% | 25.4% | 23.4% | 26.4% | 25.2% | 6.8% | 15.1% | 19.1% | 19.9% |
| — | +829.2% | +205.3% | +18182.3% | +34.2% | +78.8% | -203.6% | -100.2% | -91.8% | -125.1% | -71.8% | -45.5% | +5.1% | +275.6% | +55.1% | +38.3% | +26.4% | -60.5% | +36.0% | +229.5% | +119.4% | |
| Net Margin | -1.7% | 6.1% | -6.8% | 3.6% | 3.0% | -6.5% | -7.7% | -3.9% | -18.0% | -10.6% | -3.0% | 13.1% | 23.8% | 21.9% | 23.0% | 25.9% | 21.3% | 4.7% | 12.8% | 17.6% | 17.1% |
| — | +194.1% | +11.7% | +193.9% | +116.9% | +38.6% | -159.5% | -129.5% | -175.5% | -148.4% | -112.9% | -49.6% | +11.8% | +364.6% | +79.9% | +46.9% | +24.2% | -68.0% | +159.1% | +669.6% | +144.4% |
| Metric | TTM | Q1 '27 | Q4 '26 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | -1.6% | 1.6% | -1.7% | 0.9% | 0.7% | -1.4% | -1.6% | -0.7% | -3.3% | -1.6% | -0.6% | 3.0% | 6.2% | 6.1% | 6.7% | 7.5% | 6.4% | 1.4% | 3.6% | 4.9% | 5.2% |
| — | +215.7% | -8.0% | +218.4% | +121.2% | +9.6% | -152.8% | -124.5% | -153.3% | -125.8% | -109.4% | -60.4% | -3.7% | +346.2% | +86.0% | +54.9% | +23.2% | -70.2% | +141.0% | +679.5% | +241.8% | |
| ROA | -1.1% | 1.1% | -1.2% | 0.6% | 0.5% | -0.9% | -1.0% | -0.5% | -2.3% | -1.2% | -0.5% | 2.3% | 5.2% | 5.0% | 5.5% | 6.3% | 5.3% | 1.1% | 2.9% | 4.0% | 4.1% |
| — | +219.2% | -12.3% | +226.5% | +120.5% | +19.2% | -128.8% | -120.0% | -144.0% | -123.1% | -108.3% | -62.6% | -1.9% | +347.2% | +86.3% | +57.1% | +28.0% | -68.5% | +148.0% | +682.7% | +230.9% | |
| ROIC | 2.8% | 1.8% | 1.2% | 0.6% | 0.4% | -0.2% | -0.8% | -0.0% | 0.3% | -0.7% | 1.0% | 2.8% | 7.3% | 7.7% | 7.5% | 8.5% | 8.3% | 2.2% | 4.7% | 5.8% | 6.5% |
| — | +1090.0% | +243.0% | +24430.8% | +57.7% | +73.7% | -183.7% | -100.1% | -96.4% | -108.8% | -86.7% | -67.1% | -12.1% | +252.3% | +61.2% | +47.2% | +28.1% | -61.4% | +37.4% | +244.2% | +217.0% |
Quarterly solvency trend — watch for debt spikes or covenant pressure.
| Metric | TTM | Q1 '27 | Q4 '26 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.30 | 0.30 | 0.30 | 0.33 | 0.34 | 0.36 | 0.40 | 0.43 | 0.45 | 0.20 | 0.24 | 0.24 | 0.04 | 0.05 | 0.04 | 0.04 | 0.05 | 0.05 | 0.06 | 0.06 | 0.06 |
| — | -18.0% | -24.2% | -21.6% | -24.4% | +78.6% | +62.7% | +75.1% | +975.5% | +349.6% | +452.7% | +441.5% | -12.8% | -15.0% | -21.9% | -24.2% | -25.2% | -22.9% | +32.3% | +36.8% | +24.1% | |
| Debt / EBITDA | 2.60 | 6.78 | 8.14 | 12.15 | 14.17 | 24.87 | 135.18 | 24.75 | 21.17 | 38.65 | 7.29 | 4.86 | 0.53 | 0.55 | 0.55 | 0.51 | 0.55 | 1.52 | 0.98 | 0.87 | 0.83 |
| — | -72.7% | -94.0% | -50.9% | -33.0% | -35.7% | +1753.3% | +409.7% | +3931.4% | +6982.6% | +1223.8% | +845.1% | -3.9% | -64.1% | -43.8% | -40.7% | -34.3% | +58.3% | +23.7% | — | -37.3% | |
| Current Ratio | 3.45 | 3.70 | 3.45 | 3.65 | 3.89 | 3.70 | 4.30 | 4.91 | 4.22 | 4.65 | 4.85 | 4.57 | 5.33 | 4.59 | 4.03 | 4.52 | 4.84 | 4.73 | 4.91 | 4.65 | 5.04 |
| — | -0.0% | -19.8% | -25.7% | -7.8% | -20.3% | -11.3% | +7.4% | -20.7% | +1.1% | +20.5% | +1.2% | +10.1% | -2.9% | -18.0% | -2.9% | -4.1% | +24.5% | +33.0% | +9.5% | +52.3% | |
| Quick Ratio | 2.21 | 2.33 | 2.21 | 2.39 | 2.48 | 2.26 | 2.66 | 3.00 | 2.80 | 2.98 | 3.48 | 3.19 | 4.04 | 3.46 | 3.11 | 3.65 | 3.96 | 3.94 | 4.08 | 3.87 | 4.16 |
| — | +3.0% | -17.2% | -20.3% | -11.5% | -24.0% | -23.4% | -6.2% | -30.7% | -13.9% | +11.7% | -12.4% | +1.8% | -12.1% | -23.8% | -5.8% | -4.7% | +26.6% | +38.9% | +21.2% | +69.1% | |
| Interest Coverage | 0.55 | 4.97 | 0.67 | 0.60 | 0.53 | -0.57 | -1.68 | 0.02 | -3.16 | -2.08 | 4.21 | 10.44 | 97.40 | 89.56 | 90.96 | 118.60 | 112.27 | 105.71 | — | 92.93 | 33.06 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Includes 30+ ratios · 26 years · Updated daily
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
High-probability breakout stocks crossing their pivot across 5 pattern engines.
DCF models, multiple analysis, and analyst estimates.
10-year return with dividends reinvested.
Compare growth, multiples, and margins vs sector.
Quick answers to the most common questions about buying ALGM stock.
Allegro MicroSystems, Inc.'s current P/E is -391.1x. The average P/E over the last 3 quarters is 181.2x. Quarterly P/E ratios can vary due to seasonal revenue patterns and one-time charges.
Allegro MicroSystems, Inc.'s current operating margin is 4.8%. 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 Allegro MicroSystems, Inc.'s business trajectory between earnings reports.