Last 48 quarters of trend data · Consumer Cyclical · Auto - Parts
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 → | -0.56 | — | — | — | — | — | — | — | — | 4.22 | — | — | — | — | — | — | — | — | 8.98 | 20.43 | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | -57.1% | — | |
| P/S Ratio | 1.61 | 3.71 | 3.51 | — | 6.09 | 1.09 | 0.23 | 0.21 | 0.30 | 1.73 | 0.37 | 0.33 | 0.35 | 0.39 | 0.50 | 0.42 | 0.52 | 0.54 | 0.90 | 1.24 | 1.88 |
| — | +240.3% | +1451.1% | — | +1936.5% | -36.9% | -39.5% | -36.8% | -13.5% | +345.6% | -24.6% | -22.8% | -33.9% | -28.4% | -44.9% | -65.9% | -72.1% | -79.5% | -74.0% | -46.2% | +106.8% | |
| P/B Ratio | 0.50 | 0.77 | 0.50 | 0.40 | 0.49 | 0.50 | 0.47 | 0.45 | 0.53 | 0.64 | 0.79 | 0.71 | 0.63 | 0.70 | 0.83 | 0.65 | 0.70 | 0.75 | 1.13 | 1.73 | 2.41 |
| — | +54.1% | +7.4% | -12.4% | -7.5% | -22.2% | -41.0% | -36.3% | -15.1% | -8.8% | -5.0% | +9.6% | -10.8% | -6.6% | -26.3% | -62.7% | -70.9% | -78.4% | -87.8% | -76.7% | -18.0% | |
| P/FCF | — | — | — | — | 129.56 | — | — | 1.40 | — | 5.64 | — | — | — | — | — | 7.00 | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| EV / EBITDA | — | — | — | — | — | — | 5.61 | — | 9.32 | — | — | — | — | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| EV / EBIT | — | — | — | 0.09 | — | — | — | — | — | 6.63 | — | — | — | — | — | — | — | — | 6.85 | 18.60 | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | -22.6% | — |
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 | 11.5% | 4.9% | 17.8% | 22.4% | 29.2% | 6.7% | 21.5% | 19.0% | 21.8% | 16.7% | 15.1% | 9.2% | 17.1% | 16.9% | 16.2% | 5.8% | 15.8% | 13.1% | 13.0% | 11.2% | 13.6% |
| — | -27.3% | -17.2% | +18.0% | +33.7% | -59.7% | +42.0% | +107.7% | +27.7% | -1.1% | -7.0% | +58.8% | +7.9% | +28.6% | +25.3% | -48.6% | +16.2% | -34.1% | -23.9% | -27.9% | -11.2% | |
| Operating Margin | -61.0% | -265.5% | -168.8% | 11.7% | -476.8% | -8.1% | 2.4% | -10.6% | 1.6% | -54.9% | -16.1% | -16.2% | -15.7% | -12.0% | -11.5% | -21.5% | -11.6% | -11.0% | -13.1% | -12.2% | -11.6% |
| — | -3185.5% | -7008.9% | +210.4% | -30415.9% | +85.3% | +115.2% | +34.3% | +110.0% | -356.2% | -40.2% | +24.7% | -34.8% | -9.8% | +12.5% | -76.4% | +0.0% | -134.8% | -22.8% | -1305.3% | -144.0% | |
| Net Margin | -264.3% | -418.7% | -249.8% | 18.0% | -848.9% | -274.8% | -3.5% | -13.5% | -5.8% | 41.2% | -17.6% | -16.0% | -15.4% | -15.5% | -12.9% | -21.7% | -16.8% | -14.5% | 10.1% | 6.5% | -7.8% |
| — | -52.4% | -7130.4% | +233.1% | -14439.2% | -766.5% | +80.4% | +15.6% | +62.1% | +365.4% | -36.1% | +26.1% | +7.9% | -7.3% | -228.3% | -435.3% | -116.0% | -166.4% | +345.2% | +31.6% | -717.4% |
| 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 | -59.9% | -19.7% | -8.5% | -14.9% | -14.5% | -27.9% | -1.8% | -7.1% | -2.6% | 3.9% | -8.9% | -8.4% | -6.7% | -6.9% | -5.3% | -8.1% | -5.4% | -4.9% | 3.2% | 2.3% | -2.5% |
| — | +29.2% | -378.1% | -110.3% | -464.4% | -814.3% | +79.9% | +15.8% | +61.4% | +156.5% | -67.2% | -3.6% | -23.4% | -41.1% | -265.7% | -455.9% | -120.0% | -150.0% | +211.5% | -48.8% | -336.8% | |
| ROA | -32.0% | -13.4% | -6.3% | -11.2% | -7.3% | -12.1% | -0.8% | -3.4% | -1.2% | 1.7% | -3.9% | -3.9% | -3.3% | -3.4% | -2.6% | -4.2% | -2.9% | -2.6% | 1.7% | 1.1% | -1.2% |
| — | -10.3% | -651.3% | -233.4% | -508.3% | -799.3% | +78.7% | +14.3% | +63.2% | +150.9% | -49.1% | +7.1% | -11.6% | -30.0% | -259.3% | -467.2% | -135.6% | -161.3% | +279.0% | -8.9% | -528.8% | |
| ROIC | -10.7% | -14.8% | -6.4% | -11.0% | -7.1% | -0.6% | 0.8% | -3.6% | 0.4% | -3.3% | -5.1% | -5.6% | -4.6% | -3.8% | -3.6% | -6.4% | -3.0% | -3.1% | -3.6% | -3.8% | -3.6% |
| — | -2496.9% | -863.4% | -200.3% | -1687.7% | +82.7% | +116.5% | +34.4% | +109.7% | +12.8% | -42.5% | +12.8% | -52.3% | -20.2% | +1.2% | -65.9% | +16.0% | -86.3% | +10.4% | -926.9% | -97.8% |
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 | 0.07 | 0.05 | 0.06 | 0.07 | 0.07 | 0.06 | 0.37 | 0.39 | 0.40 | 0.42 | 0.51 | 0.52 | 0.38 | 0.38 | 0.39 | 0.37 | 0.35 | 0.35 | 0.36 | 0.41 | 0.40 |
| — | -22.6% | -84.1% | -82.2% | -82.0% | -85.1% | -28.2% | -25.4% | +5.3% | +12.5% | +30.8% | +37.8% | +8.0% | +6.4% | +7.5% | -9.5% | -13.6% | -16.5% | -56.0% | -62.0% | -68.6% | |
| Debt / EBITDA | — | — | — | — | — | — | 13.77 | — | 20.90 | — | — | — | — | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| Current Ratio | 1.93 | 1.14 | 1.70 | 1.93 | 2.39 | 1.43 | 1.49 | 1.55 | 1.60 | 1.54 | 1.84 | 1.61 | 1.72 | 1.84 | 1.97 | 2.05 | 2.33 | 2.36 | 2.40 | 2.31 | 2.19 |
| — | -20.2% | +13.7% | +24.0% | +49.2% | -7.4% | -18.6% | -3.3% | -7.1% | -16.2% | -6.6% | -21.4% | -26.2% | -22.1% | -18.1% | -11.5% | +6.5% | +2.6% | +44.7% | +48.6% | +50.3% | |
| Quick Ratio | 1.79 | 1.05 | 1.54 | 1.79 | 2.23 | 1.41 | 0.94 | 1.06 | 1.00 | 1.10 | 1.40 | 1.11 | 1.14 | 1.22 | 1.35 | 1.44 | 1.61 | 1.65 | 1.73 | 1.74 | 1.66 |
| — | -25.8% | +64.8% | +67.8% | +122.5% | +27.9% | -33.2% | -3.8% | -12.3% | -9.1% | +3.4% | -23.3% | -29.4% | -26.2% | -21.5% | -17.3% | -2.8% | -10.3% | +41.8% | +44.6% | +62.6% | |
| Interest Coverage | 2.64 | -74.61 | -61.16 | 26.99 | -45.78 | -15.00 | -1.77 | -11.33 | -1.66 | 15.69 | -14.90 | -14.20 | -20.15 | -19.20 | -10.43 | -24.00 | -12.77 | -12.72 | 8.16 | 10.29 | -2.94 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Includes 30+ ratios · 48 years · Updated daily
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Quick answers to the most common questions about buying WPRT stock.
Westport Fuel Systems Inc.'s current P/E is -0.6x. Quarterly P/E ratios can vary due to seasonal revenue patterns and one-time charges.
Westport Fuel Systems Inc.'s current operating margin is -61.0%. 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 Westport Fuel Systems Inc.'s business trajectory between earnings reports.