WILLIS LEASE FINANCE CORP (WLFC) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value 6.19%; Formula and calculation Share-based compensation / revenue. Period ending 2026-06-30..
- Interest coverage · 12 months: Value 0.93×; Formula and calculation Operating income ÷ reported interest expense..
Spending and interest coverage
Overview →Financial period ending 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| R&D / revenue · 12 months | (m) | Research and development expense / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | 6.19% | Share-based compensation / revenue. Period ending 2026-06-30. $47.36M ÷ $765.37M × 100 ≈ 6.19% |
| Interest coverage · 12 months | 0.93× | Operating income ÷ reported interest expense. $119.89M ÷ $128.72M ≈ 0.93× |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Research and development spending | (m) | |
| Revenue | 765.37M USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 47.36M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 119.89M USD | Operating Income (Loss) |
| Interest expense · reported / estimated | 128.72M USD | Interest Expense · Estimated expense assumptions |
Latest interest expense basis: Reported. Estimated values carry *; expand each history row’s basis for its dated balances and rate assumptions.
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Research and development spending (USD) | Revenue (USD) | Stock-based compensation (USD) | Operating income (USD) | Interest expense · reported / estimated (USD) | R&D / revenue | SBC / revenue | Interest coverage | Interest expense basis |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | (m) | $765.37M | $47.36M | $119.89M | $128.72M | (m) | 6.19% | 0.93× | Reported |
| 2026-03-31 | (m) | $766.86M | $51.41M | $114.18M | $132.60M | (m) | 6.70% | 0.86× | Reported |
| 2025-12-31 | (m) | $730.24M | $44.57M | $104.29M | $132.06M | (m) | 6.10% | 0.79× | Reported |
| 2025-09-30 | (m) | $689.42M | $45.84M | $119.59M | $129.23M | (m) | 6.65% | 0.93× | Reported |
| 2025-06-30 | (m) | $652.25M | $44.94M | $115.27M | $122.86M | (m) | 6.89% | 0.94× | Reported |
| 2025-03-31 | (m) | $607.87M | $32.34M | $141.08M | $113.86M | (m) | 5.32% | 1.24× | Reported |
| 2024-12-31 | (m) | $569.22M | $29.25M | $144.40M | $104.76M | (m) | 5.14% | 1.38× | Reported |
| 2024-09-30 | (m) | $530.71M | $22.48M | $131.78M | $97.65M | (m) | 4.24% | 1.35× | Reported |
| 2024-06-30 | (m) | $490.23M | $15.96M | $118.08M | $88.89M | (m) | 3.26% | 1.33× | Reported |
| 2024-03-31 | (m) | $448.10M | $15.68M | $83.44M | $83.41M | (m) | 3.50% | 1.00× | Reported |
| 2023-12-31 | (m) | $418.56M | $14.80M | $64.22M | $78.80M | (m) | 3.54% | 0.82× | Reported |
| 2023-09-30 | (m) | $392.42M | $13.40M | $64.17M | $74.06M | (m) | 3.42% | 0.87× | Reported |
| 2023-06-30 | (m) | $363.57M | $12.68M | $52.91M | $71.31M | (m) | 3.49% | 0.74× | Reported |
| 2023-03-31 | (m) | $332.64M | $11.86M | $42.96M | $68.25M | (m) | 3.57% | 0.63× | Reported |
| 2022-12-31 | (m) | $311.93M | $13.55M | $9.86M | $66.74M | (m) | 4.34% | 0.15× | Reported |
| 2022-09-30 | (m) | $299.60M | $15.52M | $-2.28M | $66.86M | (m) | 5.18% | -0.03× | Reported |
| 2022-06-30 | (m) | $293.50M | $16.95M | $-4.93M | $68.89M | (m) | 5.78% | -0.07× | Reported |
| 2022-03-31 | (m) | $281.89M | $18.45M | $-15.59M | $69.85M | (m) | 6.54% | -0.22× | Reported |
| 2021-12-31 | (m) | $274.20M | $16.58M | $8.34M | $67.98M | (m) | 6.05% | 0.12× | Reported |
| 2021-09-30 | (m) | $259.88M | $15.01M | $-3.26M | $66.22M | (m) | 5.78% | -0.05× | Reported |
| 2021-06-30 | (m) | $259.70M | $13.54M | $-4.76M | $63.24M | (m) | 5.22% | -0.08× | Reported |
| 2021-03-31 | (m) | $268.21M | $12.02M | $5.20M | $62.35M | (m) | 4.48% | 0.08× | Reported |
| 2020-12-31 | (m) | $288.69M | $11.38M | $14.69M | $63.02M | (m) | 3.94% | 0.23× | Reported |
| 2020-09-30 | (m) | $316.43M | $10.44M | $26.09M | $62.79M | (m) | 3.30% | 0.42× | Reported |
| 2020-06-30 | (m) | $366.19M | $9.53M | $50.42M | $64.01M | (m) | 2.60% | 0.79× | Reported |
| 2020-03-31 | (m) | $387.00M | $8.64M | $61.74M | $64.71M | (m) | 2.23% | 0.95× | Reported |
| 2019-12-31 | (m) | $409.16M | $7.79M | $80.30M | $66.89M | (m) | 1.90% | 1.20× | Reported |
| 2019-09-30 | (m) | $438.12M | $6.99M | $95.48M | $68.83M | (m) | 1.60% | 1.39× | Reported |
| 2019-06-30 | (m) | $398.71M | $6.21M | $79.31M | $70.15M | (m) | 1.56% | 1.13× | Reported |
| 2019-03-31 | (m) | $381.62M | $5.75M | $70.49M | $68.50M | (m) | 1.51% | 1.03× | Reported |
| 2018-12-31 | (m) | $348.35M | $5.41M | $52.47M | $64.22M | (m) | 1.55% | 0.82× | Reported |
| 2018-09-30 | (m) | $279.36M | $5.05M | $35.00M | $58.94M | (m) | 1.81% | 0.59× | Reported |
| 2018-06-30 | (m) | $267.25M | $4.78M | $27.46M | $55.27M | (m) | 1.79% | 0.50× | Reported |
| 2018-03-31 | (m) | $260.79M | $4.32M | $25.17M | $51.45M | (m) | 1.66% | 0.49× | Reported |
| 2017-12-31 | (m) | $274.84M | $4.27M | $28.85M | $48.72M | (m) | 1.55% | 0.59× | Reported |
| 2017-09-30 | (m) | $267.13M | $4.19M | $30.42M | $46.91M | (m) | 1.57% | 0.65× | Reported |
| 2017-06-30 | (m) | $252.73M | $3.94M | $31.08M | $42.92M | (m) | 1.56% | 0.72× | Reported |
| 2017-03-31 | (m) | $234.50M | $3.65M | $27.81M | (m) | (m) | 1.56% | (m) | (m) |
| 2016-12-31 | (m) | $207.27M | $3.72M | $22.13M | $41.14M | (m) | 1.79% | 0.54× | Reported |
| 2016-09-30 | (m) | $208.53M | $3.94M | $26.50M | $40.41M | (m) | 1.89% | 0.66× | Reported |
| 2016-06-30 | (m) | $214.80M | $4.05M | $24.72M | $39.99M | (m) | 1.89% | 0.62× | Reported |
| 2016-03-31 | (m) | $207.35M | $4.02M | $16.09M | $39.45M | (m) | 1.94% | 0.41× | Reported |
| 2015-12-31 | (m) | $199.61M | $4.15M | $12.97M | $39.01M | (m) | 2.08% | 0.33× | Reported |
| 2015-09-30 | (m) | $185.98M | $4.02M | $5.19M | $38.36M | (m) | 2.16% | 0.14× | Reported |
| 2015-06-30 | (m) | $173.12M | $3.81M | $3.05M | $37.73M | (m) | 2.20% | 0.08× | Reported |
| 2015-03-31 | (m) | $173.76M | $3.83M | $7.47M | $37.27M | (m) | 2.20% | 0.20× | Reported |
| 2014-12-31 | (m) | $174.29M | $3.51M | $10.51M | $37.06M | (m) | 2.01% | 0.28× | Reported |
| 2014-09-30 | (m) | $175.71M | $3.31M | $21.80M | (m) | (m) | 1.89% | (m) | (m) |
| 2014-06-30 | (m) | $170.41M | $3.37M | $16.48M | (m) | (m) | 1.98% | (m) | (m) |
| 2014-03-31 | (m) | $166.11M | $3.41M | $11.68M | (m) | (m) | 2.06% | (m) | (m) |
| 2013-12-31 | (m) | $158.41M | $3.44M | $7.77M | $38.72M | (m) | 2.17% | 0.20× | Reported |
| 2013-09-30 | (m) | $150.90M | $3.37M | $-138.00K | $38.14M | (m) | 2.23% | -0.00× | Reported |
| 2013-06-30 | (m) | $150.46M | $3.26M | $-7.85M | $35.76M | (m) | 2.16% | -0.22× | Reported |
| 2013-03-31 | (m) | $147.66M | $3.18M | $-1.52M | $33.03M | (m) | 2.15% | -0.05× | Reported |
| 2012-12-31 | (m) | $148.09M | $3.14M | $937.00K | $31.75M | (m) | 2.12% | 0.03× | Reported |
| 2012-09-30 | (m) | $146.07M | $3.22M | $2.04M | $30.89M | (m) | 2.20% | 0.07× | Reported |
| 2012-06-30 | (m) | $148.04M | $3.30M | $19.00M | $32.23M | (m) | 2.23% | 0.59× | Reported |
| 2012-03-31 | (m) | $151.58M | $3.21M | $19.66M | $33.90M | (m) | 2.12% | 0.58× | Reported |
| 2011-12-31 | (m) | $156.65M | $3.17M | $22.59M | $35.20M | (m) | 2.03% | 0.64× | Reported |
| 2011-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-12-31 | (m) | $148.30M | $2.68M | $18.57M | $40.95M | (m) | 1.81% | 0.45× | Reported |
| 2010-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-12-31 | (m) | $150.44M | $2.44M | $31.45M | $36.01M | (m) | 1.62% | 0.87× | Reported |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.
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