WD-40 COMPANY (WDFC) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-05-31..
- Stock-based compensation / revenue · 12 months: Value 1.13%; Formula and calculation Share-based compensation / revenue. Period ending 2026-05-31..
- Interest coverage · 12 months: Value (m); Formula and calculation Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified..
Spending and interest coverage
Overview →Financial period ending 2026-05-31; 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 2026-05-31. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | 1.13% | Share-based compensation / revenue. Period ending 2026-05-31. $7.66M ÷ $674.68M × 100 ≈ 1.13% |
| Interest coverage · 12 months | (m) | Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified. Calculation unavailable: missing inputs remain (m). |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Research and development spending | (m) | Research and Development Expense |
| Revenue | 674.68M USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 7.66M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 117.91M USD | Operating Income (Loss) |
| Interest expense · reported / estimated | (m) | Interest Expense · Estimated expense assumptions |
Latest interest expense basis: (m). 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-05-31 | (m) | $674.68M | $7.66M | $117.91M | (m) | (m) | 1.13% | (m) | (m) |
| 2026-02-28 | (m) | $636.48M | $7.82M | $104.94M | (m) | (m) | 1.23% | (m) | (m) |
| 2025-11-30 | (m) | $620.91M | $7.53M | $101.93M | (m) | (m) | 1.21% | (m) | (m) |
| 2025-08-31 | $8.70M | $619.99M | $7.31M | $103.79M | (m) | 1.40% | 1.18% | (m) | (m) |
| 2025-05-31 | (m) | $612.50M | $7.20M | $99.82M | (m) | (m) | 1.18% | (m) | (m) |
| 2025-02-28 | (m) | $610.63M | $6.49M | $99.63M | (m) | (m) | 1.06% | (m) | (m) |
| 2024-11-30 | (m) | $603.64M | $5.76M | $97.29M | (m) | (m) | 0.95% | (m) | (m) |
| 2024-08-31 | $8.00M | $590.56M | $6.54M | $96.35M | (m) | 1.35% | 1.11% | (m) | (m) |
| 2024-05-31 | (m) | $575.02M | $5.69M | $95.54M | (m) | (m) | 0.99% | (m) | (m) |
| 2024-02-29 | (m) | $561.69M | $5.59M | $94.02M | $5.10M | (m) | 1.00% | 18.45× | Reported |
| 2023-11-30 | (m) | $552.78M | $5.99M | $95.23M | $5.59M | (m) | 1.08% | 17.03× | Reported |
| 2023-08-31 | $6.20M | $537.25M | $6.43M | $89.72M | $5.61M | 1.15% | 1.20% | 15.98× | Reported |
| 2023-05-31 | (m) | $527.22M | $6.74M | $86.03M | $5.11M | (m) | 1.28% | 16.84× | Reported |
| 2023-02-28 | (m) | $509.17M | $6.90M | $79.36M | $4.18M | (m) | 1.36% | 18.99× | Reported |
| 2022-11-30 | (m) | $508.97M | $6.53M | $81.95M | $3.29M | (m) | 1.28% | 24.90× | Reported |
| 2022-08-31 | $5.10M | $518.82M | $6.70M | $87.33M | $2.74M | 0.98% | 1.29% | 31.85× | Reported |
| 2022-05-31 | (m) | $503.64M | $7.42M | $80.26M | $2.50M | (m) | 1.47% | 32.08× | Reported |
| 2022-02-28 | (m) | $516.38M | $9.79M | $88.60M | $2.45M | (m) | 1.90% | 36.19× | Reported |
| 2021-11-30 | (m) | $498.30M | $9.78M | $84.51M | $2.44M | (m) | 1.96% | 34.56× | Reported |
| 2021-08-31 | $5.60M | $488.11M | $9.55M | $88.84M | $2.40M | 1.15% | 1.96% | 37.09× | Reported |
| 2021-05-31 | (m) | $484.51M | $8.63M | $100.89M | $2.42M | (m) | 1.78% | 41.67× | Reported |
| 2021-02-28 | (m) | $446.36M | $6.01M | $93.38M | $2.58M | (m) | 1.35% | 36.14× | Reported |
| 2020-11-30 | (m) | $434.50M | $5.81M | $90.91M | $2.57M | (m) | 1.34% | 35.41× | Reported |
| 2020-08-31 | $6.00M | $408.50M | $5.36M | $77.22M | $2.44M | 1.47% | 1.31% | 31.66× | Reported |
| 2020-05-31 | (m) | $403.60M | $5.11M | $75.77M | $2.39M | (m) | 1.27% | 31.67× | Reported |
| 2020-02-29 | (m) | $419.34M | $4.98M | $79.16M | $2.18M | (m) | 1.19% | 36.29× | Reported |
| 2019-11-30 | (m) | $420.62M | $4.70M | $80.69M | $2.27M | (m) | 1.12% | 35.50× | Reported |
| 2019-08-31 | $6.50M | $423.35M | $4.45M | $82.38M | $2.54M | 1.54% | 1.05% | 32.42× | Reported |
| 2019-05-31 | (m) | $419.25M | $4.47M | $79.09M | $3.13M | (m) | 1.07% | 25.24× | Reported |
| 2019-02-28 | (m) | $412.28M | $4.32M | $78.22M | $3.77M | (m) | 1.05% | 20.74× | Reported |
| 2018-11-30 | (m) | $412.20M | $4.38M | $77.87M | $4.09M | (m) | 1.06% | 19.05× | Reported |
| 2018-08-31 | $7.00M | $408.52M | $4.20M | $78.60M | $4.22M | 1.71% | 1.03% | 18.63× | Reported |
| 2018-05-31 | (m) | $402.44M | $4.27M | $78.75M | $3.81M | (m) | 1.06% | 20.68× | Reported |
| 2018-02-28 | (m) | $393.59M | $4.42M | $77.03M | $3.30M | (m) | 1.12% | 23.37× | Reported |
| 2017-11-30 | (m) | $388.86M | $4.29M | $76.53M | $2.89M | (m) | 1.10% | 26.46× | Reported |
| 2017-08-31 | $8.40M | $380.51M | $4.14M | $75.91M | $2.58M | 2.21% | 1.09% | 29.40× | Reported |
| 2017-05-31 | (m) | $381.10M | $4.68M | $73.62M | $2.30M | (m) | 1.23% | 31.97× | Reported |
| 2017-02-28 | (m) | $379.37M | $4.72M | $71.67M | $2.04M | (m) | 1.25% | 35.08× | Reported |
| 2016-11-30 | (m) | $377.40M | $4.64M | $70.72M | $1.86M | (m) | 1.23% | 37.98× | Reported |
| 2016-08-31 | $7.70M | $380.67M | $3.65M | $71.35M | $1.70M | 2.02% | 0.96% | 41.90× | Reported |
| 2016-05-31 | (m) | $375.50M | $3.10M | $69.51M | $1.51M | (m) | 0.82% | 45.88× | Reported |
| 2016-02-29 | (m) | $371.54M | $3.04M | $67.22M | $1.43M | (m) | 0.82% | 47.17× | Reported |
| 2015-11-30 | (m) | $374.32M | $2.92M | $66.94M | $1.28M | (m) | 0.78% | 52.18× | Reported |
| 2015-08-31 | $9.00M | $378.15M | $2.78M | $65.39M | $1.21M | 2.38% | 0.74% | 54.27× | Reported |
| 2015-05-31 | (m) | $383.79M | $2.53M | $66.21M | $1.21M | (m) | 0.66% | 54.95× | Reported |
| 2015-02-28 | (m) | $386.96M | $2.42M | $64.94M | $1.13M | (m) | 0.63% | 57.47× | Reported |
| 2014-11-30 | (m) | $383.81M | $2.24M | $62.56M | $1.08M | (m) | 0.58% | 57.88× | Reported |
| 2014-08-31 | $6.90M | $383.00M | $2.26M | $63.74M | $1.00M | 1.80% | 0.59% | 63.61× | Reported |
| 2014-05-31 | (m) | $378.84M | $2.54M | $58.50M | $919.00K | (m) | 0.67% | 63.66× | Reported |
| 2014-02-28 | (m) | $376.30M | $2.56M | $58.36M | $833.00K | (m) | 0.68% | 70.06× | Reported |
| 2013-11-30 | (m) | $368.82M | $2.35M | $57.54M | $783.00K | (m) | 0.64% | 73.49× | Reported |
| 2013-08-31 | $7.20M | $368.55M | $2.45M | $56.64M | $693.00K | 1.95% | 0.67% | 81.73× | Reported |
| 2013-05-31 | (m) | $359.93M | $2.46M | $58.84M | $728.00K | (m) | 0.68% | 80.82× | Reported |
| 2013-02-28 | (m) | $353.85M | $2.46M | $57.02M | $705.00K | (m) | 0.70% | 80.88× | Reported |
| 2012-11-30 | (m) | $353.10M | $2.64M | $57.29M | $612.00K | (m) | 0.75% | 93.62× | Reported |
| 2012-08-31 | $5.10M | $342.78M | $2.77M | $51.73M | $729.00K | 1.49% | 0.81% | 70.96× | Reported |
| 2012-05-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2012-02-29 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-11-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-08-31 | $5.50M | $336.41M | $3.03M | $54.13M | $1.08M | 1.63% | 0.90% | 50.31× | Reported |
| 2011-05-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-02-28 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-11-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-08-31 | $5.30M | $321.52M | $2.86M | $55.20M | $1.73M | 1.65% | 0.89% | 31.98× | 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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