Last 48 quarters of trend data · Industrials · Industrial - Pollution & Treatment Controls
Quarterly valuation ratios — annualised for comparability. YoY Δ shows same-quarter-prior-year change.
| Metric | TTM | 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 | Q3 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P/E Ratio → | 16.19 | — | — | 6.75 | 53.17 | 84.75 | — | 8.96 | 28.98 | — | — | 13.85 | 31.19 | — | — | 21.34 | 65.09 | — | 35.96 | 59.69 | 237.88 |
| — | — | — | -24.7% | +83.5% | — | — | -35.3% | -7.1% | — | — | -35.1% | -52.1% | — | — | -64.2% | -72.6% | — | -5.9% | +5.0% | +1060.4% | |
| P/S Ratio | 2.60 | 9.67 | 13.66 | 2.70 | 6.44 | 6.21 | 27.04 | 3.14 | 6.57 | 7.01 | 18.64 | 4.75 | 8.30 | 19.00 | 24.18 | 6.96 | 10.24 | 13.45 | 9.00 | 9.36 | 13.44 |
| — | +55.9% | -49.5% | -13.8% | -1.9% | -11.4% | +45.0% | -34.0% | -20.9% | -63.1% | -22.9% | -31.7% | -18.9% | +41.3% | +168.6% | -25.7% | -23.8% | -17.5% | -3.0% | +26.7% | +218.2% | |
| P/B Ratio | 1.79 | 2.69 | 2.88 | 3.49 | 4.56 | 3.76 | 4.40 | 4.01 | 4.33 | 3.49 | 4.17 | 4.94 | 6.34 | 8.67 | 7.14 | 6.35 | 7.37 | 6.75 | 6.48 | 7.03 | 6.32 |
| — | -28.4% | -34.7% | -12.9% | +5.2% | +7.8% | +5.5% | -19.0% | -31.6% | -59.7% | -41.6% | -22.2% | -14.0% | +28.5% | +10.3% | -9.7% | +16.5% | -9.8% | +12.3% | +54.5% | +123.9% | |
| P/FCF | 20.10 | 7.52 | 6.56 | 28.05 | — | 43.40 | 20.80 | 23.76 | — | 24.21 | 39.73 | 21.92 | 41.43 | — | 38.30 | 57.35 | — | 31.66 | — | 70.60 | — |
| — | -82.7% | -68.5% | +18.0% | — | +79.3% | -47.7% | +8.4% | — | — | +3.7% | -61.8% | — | — | — | -18.8% | — | -8.9% | — | +108.0% | — | |
| EV / EBITDA | 11.01 | — | — | 4.29 | 38.80 | 56.21 | — | 7.60 | 28.26 | — | — | 11.69 | 28.10 | — | — | 17.78 | 48.78 | — | 29.74 | 38.58 | 94.21 |
| — | — | — | -43.5% | +37.3% | — | — | -35.0% | +0.6% | — | — | -34.3% | -42.4% | — | — | -53.9% | -48.2% | — | -9.7% | +12.8% | +585.2% | |
| EV / EBIT | 12.70 | — | — | 5.30 | 43.22 | 68.03 | — | 7.32 | 27.26 | — | — | 12.51 | 32.62 | — | — | 19.43 | 61.68 | — | 34.76 | 50.20 | 187.16 |
| — | — | — | -27.7% | +58.6% | — | — | -41.5% | -16.4% | — | — | -35.6% | -47.1% | — | — | -61.3% | -67.0% | — | -13.4% | -33.9% | +1034.9% |
Quarterly margins and returns. Watch for margin compression across consecutive quarters.
| Metric | TTM | 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 | Q3 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 65.2% | 74.7% | 44.7% | 67.3% | 64.2% | 64.0% | 55.3% | 70.2% | 65.1% | 64.6% | 59.0% | 69.1% | 69.9% | 65.4% | 60.9% | 70.7% | 69.1% | 65.9% | 70.8% | 69.0% | 70.7% |
| — | +16.7% | -19.2% | -4.2% | -1.3% | -0.9% | -6.3% | +1.7% | -6.9% | -1.2% | -3.0% | -2.3% | +1.2% | -0.8% | -14.1% | +2.5% | -2.3% | +1.1% | +2.7% | -0.0% | -1.1% | |
| Operating Margin | 18.2% | -49.0% | -103.3% | 48.0% | 11.4% | 5.3% | -155.8% | 38.2% | 18.3% | -7.4% | -90.4% | 36.0% | 24.7% | -12.5% | -60.5% | 34.5% | 16.1% | -14.3% | 25.3% | 17.8% | 6.9% |
| — | -1033.4% | +33.7% | +25.8% | -37.4% | +171.0% | -72.2% | +5.9% | -25.8% | +40.7% | -49.4% | +4.4% | +53.1% | +12.8% | -339.6% | +94.1% | +134.5% | -1127.6% | +19.0% | +23.3% | -69.0% | |
| Net Margin | 17.0% | -26.7% | -126.2% | 40.4% | 12.1% | 7.3% | -122.5% | 35.0% | 22.0% | -2.4% | -68.3% | 34.6% | 26.1% | -8.0% | -47.0% | 32.5% | 15.7% | -11.6% | 24.3% | 15.7% | 5.2% |
| — | -464.1% | -3.0% | +15.5% | -44.9% | +410.2% | -79.3% | +1.0% | -15.7% | +70.6% | -45.4% | +6.7% | +65.9% | +30.9% | -293.7% | +107.0% | +205.0% | -324.1% | +2.2% | +20.0% | -73.8% |
| Metric | TTM | 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 | Q3 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 11.0% | -1.8% | -6.3% | 13.9% | 2.1% | 1.1% | -4.8% | 10.6% | 3.7% | -0.3% | -3.8% | 9.6% | 5.1% | -0.9% | -3.4% | 7.7% | 2.9% | -1.4% | 4.4% | 3.0% | 0.6% |
| — | -267.3% | -29.6% | +31.5% | -43.5% | +462.7% | -27.7% | +10.5% | -27.1% | +67.8% | -10.4% | +23.7% | +77.8% | +33.4% | -178.2% | +161.4% | +381.5% | -335.7% | +14.4% | +43.9% | -82.1% | |
| ROA | 9.7% | -1.6% | -5.6% | 12.2% | 1.8% | 0.9% | -4.2% | 9.3% | 3.3% | -0.3% | -3.3% | 8.3% | 4.5% | -0.8% | -3.0% | 6.6% | 2.4% | -1.2% | 3.7% | 2.5% | 0.5% |
| — | -267.5% | -31.8% | +31.4% | -44.6% | +460.6% | -27.0% | +11.5% | -25.8% | +67.4% | -12.1% | +26.6% | +82.7% | +31.9% | -179.8% | +164.1% | +377.4% | -332.3% | +13.4% | +43.9% | -81.9% | |
| ROIC | 10.3% | -3.4% | -4.8% | 15.4% | 1.9% | 0.7% | -5.4% | 10.3% | 2.8% | -0.9% | -5.1% | 9.6% | 4.4% | -1.4% | -4.4% | 7.9% | 2.8% | -1.5% | 4.5% | 3.6% | 1.0% |
| — | -554.7% | +9.6% | +50.1% | -31.5% | +185.4% | -5.5% | +6.7% | -36.2% | +37.1% | -14.2% | +21.4% | +61.2% | +9.3% | -198.6% | +120.0% | +185.4% | -777.6% | -5.3% | +24.0% | -77.2% |
Quarterly solvency trend — watch for debt spikes or covenant pressure.
| Metric | TTM | 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 | Q3 '21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.05 | 0.05 | 0.05 | 0.05 | 0.06 | 0.06 | 0.06 | 0.05 | 0.05 | 0.06 | 0.06 | 0.06 | 0.07 | 0.08 | 0.08 | 0.08 | 0.09 | 0.10 | 0.09 | 0.09 | 0.10 |
| — | -16.3% | -14.4% | -15.1% | +9.4% | +1.1% | -5.5% | -10.8% | -28.6% | -27.7% | -26.3% | -24.7% | -21.6% | -19.5% | -9.3% | -12.7% | -5.0% | +1.6% | -5.4% | -10.7% | -13.4% | |
| Debt / EBITDA | 0.33 | — | — | 0.24 | 1.97 | 3.65 | — | 0.42 | 1.39 | — | — | 0.60 | 1.29 | — | — | 0.93 | 2.46 | — | 1.67 | 2.12 | 5.93 |
| — | — | — | -43.2% | +41.9% | — | — | -30.5% | +7.3% | — | — | -35.4% | -47.4% | — | — | -55.9% | -58.4% | — | -28.4% | -38.4% | +139.9% | |
| Current Ratio | 10.44 | 8.05 | 9.28 | 10.71 | 7.33 | 8.08 | 8.39 | 7.41 | 10.06 | 7.94 | 10.41 | 8.64 | 8.91 | 9.89 | 11.17 | 8.63 | 8.21 | 8.49 | 8.70 | 7.67 | 9.05 |
| — | -0.3% | +10.7% | +44.5% | -27.1% | +1.7% | -19.4% | -14.2% | +13.0% | -19.8% | -6.8% | +0.1% | +8.5% | +16.6% | +28.4% | +12.5% | -9.3% | -23.9% | -30.1% | -15.7% | -10.5% | |
| Quick Ratio | 9.04 | 5.99 | 7.50 | 9.31 | 5.75 | 6.34 | 6.63 | 6.35 | 8.29 | 6.26 | 8.56 | 7.42 | 6.84 | 7.50 | 8.67 | 7.08 | 6.31 | 6.63 | 7.23 | 6.64 | 7.79 |
| — | -5.5% | +13.2% | +46.6% | -30.6% | +1.3% | -22.6% | -14.4% | +21.1% | -16.6% | -1.3% | +4.9% | +8.4% | +13.2% | +19.9% | +6.6% | -18.9% | -33.7% | -37.0% | -20.5% | -16.2% | |
| Interest Coverage | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Includes 30+ ratios · 48 years · Updated daily
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Quick answers to the most common questions about buying ERII stock.
Energy Recovery, Inc.'s current P/E is 16.2x. The average P/E over the last 2 quarters is 30.0x. Quarterly P/E ratios can vary due to seasonal revenue patterns and one-time charges.
Energy Recovery, Inc.'s current operating margin is 18.2%. Margins have been compressing 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 Energy Recovery, Inc.'s business trajectory between earnings reports.