Latest Ratios: P/E Ratio 24.7x · EV/EBITDA 16.5x · ROE 12.9%. (1997–2026 historical series)
Price-based multiples — how expensive the stock is relative to earnings, sales, book value, and cash flow
| Metric | TTM | FY 2026 | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Market Cap | $4.8B | $4.3B | $2.2B | $2.5B | $1.8B | $1.7B | $1.5B | $706M | $1.1B | $1.5B | $1.2B |
| Enterprise Value | $5.7B | $5.2B | $3.1B | $3.5B | $2.0B | $1.8B | $1.6B | $972M | $1.2B | $1.7B | $1.3B |
| P/E Ratio → | 24.65 | 23.03 | 175.46 | 55.03 | 19.81 | 22.32 | 41.75 | 28.41 | 143.29 | 99.31 | 21.30 |
| P/S Ratio | 1.45 | 1.31 | 0.79 | 1.08 | 0.88 | 0.95 | 0.89 | 0.34 | 0.51 | 0.88 | 0.68 |
| P/B Ratio | 2.72 | 2.54 | 1.81 | 2.11 | 1.60 | 1.68 | 1.51 | 0.78 | 1.16 | 1.65 | 1.31 |
| P/FCF | 48.73 | 43.82 | 1570.34 | 180.79 | — | 29.98 | 15.70 | — | 21.00 | 36.55 | — |
| P/OCF | 48.73 | 43.82 | 60.90 | 57.64 | 75.49 | 23.08 | 14.01 | — | 15.58 | 24.05 | 54.97 |
P/E links to full P/E history page with 30-year chart
Enterprise-value multiples — capital-structure-neutral measures of total business value
| Metric | TTM | FY 2026 | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EV / Revenue | — | 1.58 | 1.13 | 1.51 | 1.01 | 1.01 | 0.98 | 0.47 | 0.57 | 0.97 | 0.76 |
| EV / EBITDA | 16.54 | 15.14 | 13.10 | 20.50 | 12.41 | 13.13 | 13.30 | 11.44 | 8.30 | 13.38 | 11.64 |
| EV / EBIT | 21.14 | 19.35 | 27.56 | 34.41 | 15.06 | 16.55 | 43.90 | 22.25 | 11.75 | 19.79 | 16.31 |
| EV / FCF | — | 53.05 | 2249.70 | 251.29 | — | 31.76 | 17.21 | — | 23.41 | 40.01 | — |
Margins and return-on-capital ratios measuring operating efficiency
Full margin charts and quarterly trend are on the Earnings History page
| Metric | TTM | FY 2026 | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 18.8% | 18.8% | 19.0% | 19.1% | 18.6% | 17.2% | 16.7% | 13.0% | 16.1% | 16.9% | 15.6% |
| Operating Margin | 8.2% | 8.2% | 6.7% | 5.6% | 6.7% | 5.9% | 5.2% | 2.0% | 4.8% | 4.9% | 4.5% |
| Net Profit Margin | 5.7% | 5.7% | 0.4% | 2.0% | 4.5% | 4.3% | 2.2% | 1.2% | 0.4% | 0.9% | 3.2% |
| Metric | TTM | FY 2026 | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 12.9% | 12.9% | 1.0% | 4.0% | 8.5% | 7.8% | 3.8% | 2.7% | 0.8% | 1.7% | 6.3% |
| ROA | 6.1% | 6.1% | 0.4% | 2.0% | 5.3% | 5.1% | 2.0% | 1.4% | 0.5% | 1.0% | 3.8% |
| ROIC | 8.5% | 8.5% | 6.4% | 5.5% | 8.1% | 7.1% | 5.6% | 2.8% | 7.0% | 6.0% | 5.9% |
| ROCE | 10.8% | 10.8% | 8.1% | 6.8% | 9.9% | 8.8% | 5.9% | 2.9% | 8.4% | 7.3% | 7.0% |
Solvency and debt-coverage ratios — lower is generally safer
| Metric | TTM | FY 2026 | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.58 | 0.58 | 0.86 | 0.90 | 0.29 | 0.15 | 0.20 | 0.74 | 0.16 | 0.19 | 0.17 |
| Debt / EBITDA | 2.88 | 2.88 | 4.36 | 6.25 | 1.96 | 1.12 | 1.59 | 7.89 | 1.00 | 1.40 | 1.34 |
| Net Debt / Equity | — | 0.53 | 0.78 | 0.82 | 0.23 | 0.10 | 0.15 | 0.29 | 0.13 | 0.16 | 0.16 |
| Net Debt / EBITDA | 2.63 | 2.63 | 3.96 | 5.75 | 1.54 | 0.73 | 1.17 | 3.13 | 0.85 | 1.15 | 1.25 |
| Debt / FCF | — | 9.23 | 679.36 | 70.50 | — | 1.78 | 1.51 | — | 2.41 | 3.45 | — |
| Interest Coverage | 3.84 | 3.84 | 1.52 | 2.35 | 10.93 | 46.29 | 7.36 | 4.70 | 10.48 | 10.69 | 15.53 |
Short-term solvency ratios and asset-utilisation metrics
| Metric | TTM | FY 2026 | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Current Ratio | 2.84 | 2.84 | 2.72 | 2.98 | 3.12 | 2.89 | 2.78 | 3.76 | 2.66 | 2.83 | 2.65 |
| Quick Ratio | 1.24 | 1.24 | 1.26 | 1.41 | 1.49 | 1.31 | 1.18 | 2.13 | 1.20 | 1.45 | 1.36 |
| Cash Ratio | 0.14 | 0.14 | 0.17 | 0.18 | 0.19 | 0.15 | 0.15 | 1.06 | 0.06 | 0.09 | 0.03 |
| Asset Turnover | — | 0.99 | 0.98 | 0.84 | 1.09 | 1.16 | 1.07 | 1.00 | 1.35 | 1.15 | 1.18 |
| Inventory Turnover | 2.74 | 2.74 | 2.78 | 2.56 | 2.82 | 2.74 | 2.55 | 2.89 | 3.29 | 3.16 | 3.44 |
| Days Sales Outstanding | — | 59.05 | 64.99 | 64.60 | 60.18 | 57.68 | 52.71 | 38.97 | 45.72 | 42.17 | 48.42 |
Earnings, FCF, buyback, and dividend yields — total returns to shareholders
Full dividend history and growth charts are on the Dividend History page
| Metric | TTM | FY 2026 | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend Yield | — | — | — | — | — | — | 0.0% | 1.5% | 1.0% | 0.7% | 0.9% |
| Payout Ratio | — | — | — | — | — | — | 0.3% | 43.1% | 140.0% | 66.0% | 18.1% |
| Metric | TTM | FY 2026 | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Earnings Yield | 4.1% | 4.3% | 0.6% | 1.8% | 5.0% | 4.5% | 2.4% | 3.5% | 0.7% | 1.0% | 4.7% |
| FCF Yield | 2.1% | 2.3% | 0.1% | 0.6% | — | 3.3% | 6.4% | — | 4.8% | 2.7% | — |
| Buyback Yield | 0.0% | 0.0% | 0.5% | 0.2% | 2.8% | 2.4% | 0.0% | 0.6% | 1.0% | 0.8% | 1.7% |
| Total Shareholder Yield | 0.0% | 0.0% | 0.5% | 0.2% | 2.8% | 2.4% | 0.0% | 2.1% | 2.0% | 1.5% | 2.5% |
| Shares Outstanding | — | $38M | $36M | $35M | $35M | $36M | $35M | $35M | $35M | $35M | $34M |
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Quick answers to the most common questions about buying AIR stock.
AAR Corp.'s current P/E ratio is 24.7x. The historical average is 39.9x. This places it at the 64th percentile of its historical range.
AAR Corp.'s current EV/EBITDA is 16.5x. This enterprise value multiple compares the company's total value (equity + debt - cash) to its EBITDA. The historical average is 10.6x.
AAR Corp.'s return on equity (ROE) is 12.9%. The historical average is 5.9%.
Based on historical data, AAR Corp. is trading at a P/E of 24.7x. This is at the 64th percentile of its historical P/E range. Compare with industry peers and growth rates for a complete picture.
AAR Corp. has 18.8% gross margin and 8.2% operating margin.
AAR Corp.'s Debt/EBITDA ratio is 2.9x, indicating moderate leverage. A ratio between 2-4x is manageable but warrants monitoring.
Key Metrics
Top Statement Risk
Integration and labor cost pressures
Metrics are mathematically derived from official filings.
Premium Multiple Hinges on Margin Expansion
AIR trades at 27.1x trailing earnings and 17.9x EV/EBITDA, according to reported figures, a premium to its own history but a steep discount to HEICO's 71.6x, implying the market expects margin convergence toward higher-multiple peers.
The forward P/E of 27.0x is nearly identical to trailing, suggesting the market is not pricing in significant earnings growth despite the 23% revenue surge, which may indicate skepticism about margin durability. The PEG of 0.72, based on reported data, appears attractive only if the current growth rate is sustainable, but the EV/EBITDA of 17.9x versus forward 24.4x implies EBITDA is expected to contract, a red flag that warrants scrutiny. Investors should monitor whether the Triumph integration can lift gross margins from the current 19% toward the 30%+ levels seen at HEICO, as the valuation gap likely narrows only with demonstrable margin accretion.
Thin Net Margin Masks Operating Recovery
Operating margin improved to 8.1% in 2026Q4 from 5.0% a year earlier, according to financial statements, yet net margin of 5.5% remains compressed by interest and tax items, suggesting underlying earning power is stronger than the bottom line shows.
The gap between operating margin of 8.1% and net margin of 5.5% in 2026Q4, based on reported figures, reflects interest expense from acquisition debt and a volatile tax rate, as seen in the 8.0% net margin in 2026Q3 versus 4.4% in 2026Q2. Gross margin has held steady around 19% despite revenue growth, indicating the company is absorbing cost inflation without diluting product-level profitability, but the level remains far below HEICO's 39.8%, highlighting the structural difference between parts-heavy and service-heavy models. The 2025Q2 operating loss of -0.3% appears to have been a cost reset, and the subsequent four quarters of improving operating margin suggest management has regained control, though the persistent technician labor shortage may cap further expansion.
ROIC Recovery Still Trails Cost of Capital
ROIC improved to 2.2% in 2026Q4 from 1.4% a year earlier, according to reported data, but remains well below the company's cost of capital and far behind HEICO's 12.6%, indicating value creation is still nascent.
The ten-quarter ROIC trend shows a clear trough at -0.1% in 2025Q2 followed by a gradual climb to 2.2%, based on reported figures, suggesting the acquisition-heavy strategy is only beginning to generate returns on invested capital. ROE of 3.0% in 2026Q4, while improved from negative territory in 2025Q2, remains below the 10%+ levels of peers like Kadant and Leonardo DRS, implying that the expanded asset base from the Triumph acquisition has not yet translated into shareholder-level returns. The low asset turnover of 0.28x, according to reported data, indicates the balance sheet is asset-intensive, and unless margins expand significantly, ROIC will struggle to exceed the cost of capital, making the current valuation dependent on future efficiency gains.
Working Capital Cycle Stretches on Inventory
Cash conversion cycle extended to 135 days in 2026Q4 from 134 days a year earlier, according to reported figures, driven by inventory days of 119, reflecting the capital-intensive USM strategy that ties up cash in parts.
DSO improved to 55 days in 2026Q4 from 53 days in 2024Q4, based on reported data, indicating receivables collection is stable, but DIO of 119 days remains elevated, reflecting the deliberate build-up of used serviceable material inventory that is central to the business model. DPO of 38 days is relatively short, suggesting limited supplier leverage, which combined with the long inventory cycle means the company must finance a significant portion of its working capital. The CCC has hovered between 134 and 144 days over the past ten quarters, according to reported figures, showing no structural improvement, which may indicate that the inventory-heavy strategy is a permanent feature rather than a temporary disruption, and investors should monitor whether the USM flywheel eventually shortens the cycle.
Debt Load Rises but Coverage Stabilizes
Debt-to-equity rose to 0.58 in 2026Q4 from 0.30 in 2024Q3, according to financial statements, while interest coverage improved to 4.63x from 2.79x, indicating the acquisition financing is becoming more serviceable as earnings recover.
Total debt increased from $347.7M to $995.0M over the period, based on reported figures, reflecting the Triumph acquisition, but the D/EBITDA ratio of 10.07x in 2026Q4, while high, is down from the peak of 86.56x in 2025Q2 when EBITDA was temporarily depressed. Interest coverage of 4.63x in 2026Q4, according to reported data, is above the 3.5x level seen in 2026Q1, suggesting the company is generating enough operating income to comfortably service its debt, though the thin net margin leaves little room for error. The leverage increase appears strategic rather than distress-driven, but investors should monitor whether the integration delivers the expected EBITDA growth to bring D/EBITDA down to a more comfortable range below 5x.
Liquidity Buffer Holds Despite Cash Drag
Current ratio of 2.84 in 2026Q4, according to reported figures, remains comfortable, but the quick ratio of 1.24 indicates inventory dependence, and cash of $84.0M is modest relative to the $995.0M debt load.
The current ratio has stayed above 2.7 for the past ten quarters, based on reported data, providing a solid buffer against short-term obligations, but the quick ratio of 1.24 in 2026Q4 suggests that a significant portion of current assets is tied up in inventory, which may be harder to liquidate quickly in a downturn. Cash of $84.0M, according to financial statements, covers only about 8% of total debt, leaving the company reliant on operating cash flow and credit facilities for near-term needs. The negative free cash flow in 2026Q1 of -$53.6M, as reported, highlights the volatility in cash generation, and while the 2026Q4 FCF of $57.8M shows recovery, the liquidity position would be tested if the working capital cycle were to extend further.
EV/EBITDA Misleads on Acquisition Distortions
EV/EBITDA of 17.9x, according to reported data, appears reasonable versus peers, but it is distorted by the Triumph acquisition's low current EBITDA, making forward EV/EBITDA of 24.4x a more accurate reflection of the market's expectations.
The trailing EV/EBITDA of 17.9x, based on reported figures, is flattered by the inclusion of Triumph's assets without the full EBITDA contribution, as integration costs and purchase accounting adjustments suppress current earnings. The forward EV/EBITDA of 24.4x, according to reported data, is actually higher than the trailing multiple, which is unusual and suggests the market expects EBITDA to decline or that the acquisition's synergies are not yet visible. Analysts should instead focus on EV/EBITDAR or a normalized EBITDA that adds back integration costs and adjusts for the one-time 2025Q2 loss, as the standard EV/EBITDA metric may understate the true cost of the business model's capital intensity and acquisition-driven growth.