R F INDUSTRIES LTD (RFIL) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-07-31..
- Stock-based compensation / revenue · 12 months: Value (m); Formula and calculation Share-based compensation / revenue. Period ending 2026-07-31..
- 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 2026-07-31; 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 2026-07-31. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | (m) | Share-based compensation / revenue. Period ending 2026-07-31. Calculation unavailable: missing inputs remain (m). |
| 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 | 3.70M USD | Research and Development Expense |
| Revenue | (m) | |
| Stock-based compensation | 1.06M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 3.94M 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-07-31 | $3.70M | (m) | $1.06M | $3.94M | (m) | (m) | (m) | (m) | (m) |
| 2026-04-30 | $3.38M | (m) | $992.00K | $2.90M | (m) | (m) | (m) | (m) | (m) |
| 2026-01-31 | $3.15M | (m) | $941.00K | $1.91M | (m) | (m) | (m) | (m) | (m) |
| 2025-10-31 | $2.98M | (m) | $872.00K | $1.78M | (m) | (m) | (m) | (m) | (m) |
| 2025-07-31 | $2.85M | (m) | $820.00K | $978.00K | (m) | (m) | (m) | (m) | (m) |
| 2025-04-30 | $2.74M | (m) | $842.00K | $-162.00K | (m) | (m) | (m) | (m) | (m) |
| 2025-01-31 | $2.69M | (m) | $864.00K | $-682.00K | (m) | (m) | (m) | (m) | (m) |
| 2024-10-31 | $2.78M | (m) | $924.00K | $-2.82M | (m) | (m) | (m) | (m) | (m) |
| 2024-07-31 | $2.67M | (m) | $955.00K | $-4.03M | (m) | (m) | (m) | (m) | (m) |
| 2024-04-30 | $2.71M | (m) | $960.00K | $-5.62M | (m) | (m) | (m) | (m) | (m) |
| 2024-01-31 | $2.96M | (m) | $941.00K | $-4.71M | (m) | (m) | (m) | (m) | (m) |
| 2023-10-31 | $3.15M | (m) | $898.00K | $-3.80M | (m) | (m) | (m) | (m) | (m) |
| 2023-07-31 | $3.35M | (m) | $878.00K | $-1.98M | (m) | (m) | (m) | (m) | (m) |
| 2023-04-30 | $3.45M | (m) | $823.00K | $1.12M | (m) | (m) | (m) | (m) | (m) |
| 2023-01-31 | $3.42M | (m) | $762.00K | $1.38M | (m) | (m) | (m) | (m) | (m) |
| 2022-10-31 | $2.91M | (m) | $689.00K | $2.19M | (m) | (m) | (m) | (m) | (m) |
| 2022-07-31 | $2.54M | (m) | $633.00K | $2.60M | (m) | (m) | (m) | (m) | (m) |
| 2022-04-30 | $2.16M | (m) | $816.00K | $2.70M | (m) | (m) | (m) | (m) | (m) |
| 2022-01-31 | $1.50M | (m) | $785.00K | $4.64M | (m) | (m) | (m) | (m) | (m) |
| 2021-10-31 | $1.48M | (m) | $769.00K | $4.42M | (m) | (m) | (m) | (m) | (m) |
| 2021-07-31 | $1.48M | (m) | $741.00K | $3.29M | (m) | (m) | (m) | (m) | (m) |
| 2021-04-30 | $1.50M | (m) | $533.00K | $1.88M | (m) | (m) | (m) | (m) | (m) |
| 2021-01-31 | $1.82M | (m) | $492.00K | $-993.00K | (m) | (m) | (m) | (m) | (m) |
| 2020-10-31 | $1.99M | (m) | $556.00K | $-403.00K | (m) | (m) | (m) | (m) | (m) |
| 2020-07-31 | $1.99M | (m) | $506.00K | $629.00K | (m) | (m) | (m) | (m) | (m) |
| 2020-04-30 | $1.94M | (m) | $408.00K | $2.12M | (m) | (m) | (m) | (m) | (m) |
| 2020-01-31 | $1.74M | $57.09M | $390.00K | $3.67M | (m) | 3.05% | 0.68% | (m) | (m) |
| 2019-10-31 | $1.47M | $55.33M | $317.00K | $4.46M | (m) | 2.65% | 0.57% | (m) | (m) |
| 2019-07-31 | $1.29M | $49.68M | $282.00K | $4.54M | (m) | 2.60% | 0.57% | (m) | (m) |
| 2019-04-30 | $1.18M | (m) | $271.00K | $5.28M | (m) | (m) | (m) | (m) | (m) |
| 2019-01-31 | $1.48M | (m) | $250.00K | $7.88M | (m) | (m) | (m) | (m) | (m) |
| 2018-10-31 | $1.48M | $50.20M | $211.00K | $7.45M | (m) | 2.95% | 0.42% | (m) | (m) |
| 2018-07-31 | $1.46M | $55.47M | $242.00K | $7.19M | (m) | 2.63% | 0.44% | (m) | (m) |
| 2018-04-30 | $1.38M | $49.43M | $247.00K | $5.23M | (m) | 2.79% | 0.50% | (m) | (m) |
| 2018-01-31 | $947.00K | $34.69M | $238.00K | $1.28M | (m) | 2.73% | 0.69% | (m) | (m) |
| 2017-10-31 | $845.00K | $30.96M | $214.00K | $371.00K | (m) | 2.73% | 0.69% | (m) | (m) |
| 2017-07-31 | $833.00K | $30.15M | $211.00K | $-3.48M | (m) | 2.76% | 0.70% | (m) | (m) |
| 2017-04-30 | $835.00K | $29.98M | $203.00K | $-4.33M | (m) | 2.79% | 0.68% | (m) | (m) |
| 2017-01-31 | $810.00K | $30.07M | $205.00K | $-4.48M | (m) | 2.69% | 0.68% | (m) | (m) |
| 2016-10-31 | $747.00K | $30.24M | $206.00K | $-4.69M | (m) | 2.47% | 0.68% | (m) | (m) |
| 2016-07-31 | $903.00K | $32.74M | $204.00K | $-487.00K | (m) | 2.76% | 0.62% | (m) | (m) |
| 2016-04-30 | $895.00K | $33.41M | $233.00K | $123.00K | (m) | 2.68% | 0.70% | (m) | (m) |
| 2016-01-31 | $904.00K | $32.89M | $234.00K | $581.00K | (m) | 2.75% | 0.71% | (m) | (m) |
| 2015-10-31 | $923.00K | $32.80M | $232.00K | $1.22M | (m) | 2.81% | 0.71% | (m) | (m) |
| 2015-07-31 | $939.00K | $29.83M | $251.00K | $1.42M | (m) | 3.15% | 0.84% | (m) | (m) |
| 2015-04-30 | $920.00K | $26.47M | $220.00K | $1.91M | (m) | 3.48% | 0.83% | (m) | (m) |
| 2015-01-31 | $909.00K | (m) | $393.00K | $1.95M | (m) | (m) | (m) | (m) | (m) |
| 2014-10-31 | $948.00K | $23.11M | $390.00K | $2.27M | (m) | 4.10% | 1.69% | (m) | (m) |
| 2014-07-31 | $1.48M | $25.55M | $394.00K | $2.92M | (m) | 5.77% | 1.54% | (m) | (m) |
| 2014-04-30 | $1.45M | $29.50M | $396.00K | $4.06M | (m) | 4.91% | 1.34% | (m) | (m) |
| 2014-01-31 | $1.34M | $32.58M | $246.00K | $5.10M | (m) | 4.13% | 0.76% | (m) | (m) |
| 2013-10-31 | $1.38M | $36.63M | $232.00K | $6.78M | (m) | 3.76% | 0.63% | (m) | (m) |
| 2013-07-31 | $1.19M | $40.15M | $260.94K | $7.23M | (m) | 2.97% | 0.65% | (m) | (m) |
| 2013-04-30 | $1.14M | $37.67M | $249.94K | $6.67M | (m) | 3.03% | 0.66% | (m) | (m) |
| 2013-01-31 | $1.13M | $35.18M | $229.86K | $5.94M | (m) | 3.22% | 0.65% | (m) | (m) |
| 2012-10-31 | $1.13M | $30.23M | $263.94K | $4.08M | (m) | 3.75% | 0.87% | (m) | (m) |
| 2012-07-31 | $1.18M | $25.66M | $310.75K | $2.18M | (m) | 4.59% | 1.21% | (m) | (m) |
| 2012-04-30 | $1.19M | $23.13M | $290.61K | $1.09M | (m) | 5.15% | 1.26% | (m) | (m) |
| 2012-01-31 | $1.24M | $20.85M | $286.89K | $808.42K | (m) | 5.95% | 1.38% | (m) | (m) |
| 2011-10-31 | $1.25M | $19.43M | $312.31K | $1.14M | $28.80K | 6.42% | 1.61% | 39.44× | Reported |
| 2011-07-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-04-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-01-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-10-31 | $887.87K | $16.32M | $231.00K | $2.00M | (m) | 5.44% | 1.42% | (m) | (m) |
| 2010-07-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
(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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