Porvair plc (PRV) — Defensive Interval Ratio
Porvair plc (PRV) has a Defensive Interval Ratio of 287 days as of May 2026. Defensive assets of GBX37.78 Million (cash GBX-, short-term investments GBX-, receivables GBX37.78 Million) cover 287 days of daily cash needs of GBX131.62K/day.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
Porvair plc Defensive Interval Ratio (1985–2025)
This chart shows how Porvair plc's Defensive Interval Ratio has evolved across 33 annual periods from 1985 to 2025. As of May 2026, the ratio stands at 287 days, meaning defensive assets of GBX37.78 Million can fund 287 days of operations without new revenue. For the complete balance sheet picture, see PRV total asset value.
Annual Defensive Interval Ratio for Porvair plc (1985–2025)
The table below presents the year-by-year Defensive Interval Ratio for Porvair plc from 1985 to 2025, covering 33 annual filings. Each row shows defensive assets, daily cash need, the DIR in days, and the change in days compared to the prior year. See working capital to net assets of Porvair plc to evaluate short-term liquidity relative to the company's equity base.
| Year | DIR (days) | Defensive Assets (GBX) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2025 | 349 days | GBX33.69 Million | GBX96.46K/day | GBX- | GBX- | ▲ +55 days |
| 2024 | 295 days | GBX29.76 Million | GBX100.99K/day | GBX- | GBX- | ▲ +58 days |
| 2023 | 237 days | GBX21.13 Million | GBX89.06K/day | GBX- | GBX- | ▼ -9 days |
| 2022 | 246 days | GBX23.13 Million | GBX94.13K/day | GBX- | GBX- | ▼ -9 days |
| 2021 | 255 days | GBX20.36 Million | GBX79.87K/day | GBX- | GBX- | ▼ -5 days |
| 2020 | 260 days | GBX20.04 Million | GBX77.10K/day | GBX- | GBX- | ▲ +22 days |
| 2019 | 238 days | GBX23.51 Million | GBX98.85K/day | GBX- | GBX- | ▲ +16 days |
| 2018 | 222 days | GBX21.22 Million | GBX95.51K/day | GBX- | GBX- | ▲ +5 days |
| 2017 | 217 days | GBX17.91 Million | GBX82.51K/day | GBX- | GBX40.00K | ▲ +5 days |
| 2016 | 212 days | GBX17.09 Million | GBX80.47K/day | GBX- | GBX- | ▲ +21 days |
| 2015 | 192 days | GBX12.99 Million | GBX67.81K/day | GBX- | GBX- | ▼ -23 days |
| 2014 | 215 days | GBX15.69 Million | GBX73.08K/day | GBX- | GBX- | ▲ +16 days |
| 2013 | 199 days | GBX11.69 Million | GBX58.82K/day | GBX- | GBX- | ▼ -177 days |
| 2004 | 376 days | GBX7.98 Million | GBX21.24K/day | GBX- | GBX- | ▼ -75 days |
| 2003 | 451 days | GBX11.12 Million | GBX24.66K/day | GBX- | GBX- | ▲ +204 days |
| 2002 | 247 days | GBX19.25 Million | GBX77.92K/day | GBX- | GBX- | ▼ -172 days |
| 2001 | 419 days | GBX18.03 Million | GBX43.05K/day | GBX- | GBX- | ▲ +4 days |
| 2000 | 415 days | GBX14.97 Million | GBX36.11K/day | GBX- | GBX- | ▲ +34 days |
| 1999 | 381 days | GBX12.54 Million | GBX32.96K/day | GBX- | GBX- | ▲ +86 days |
| 1998 | 295 days | GBX12.09 Million | GBX41.03K/day | GBX- | GBX4.00K | ▲ +9 days |
| 1997 | 286 days | GBX17.98 Million | GBX62.88K/day | GBX- | GBX- | ▼ -77 days |
| 1996 | 363 days | GBX14.55 Million | GBX40.10K/day | GBX- | GBX- | ▲ +11 days |
| 1995 | 352 days | GBX14.50 Million | GBX41.23K/day | GBX- | GBX- | ▲ +24 days |
| 1994 | 328 days | GBX7.65 Million | GBX23.36K/day | GBX- | GBX- | ▼ -34 days |
| 1993 | 361 days | GBX6.33 Million | GBX17.52K/day | GBX- | GBX- | ▲ +21 days |
| 1992 | 341 days | GBX6.03 Million | GBX17.70K/day | GBX- | GBX- | ▲ +58 days |
| 1991 | 283 days | GBX4.39 Million | GBX15.50K/day | GBX- | GBX- | ▼ -38 days |
| 1990 | 321 days | GBX4.73 Million | GBX14.75K/day | GBX- | GBX- | ▲ +17 days |
| 1989 | 304 days | GBX3.62 Million | GBX11.91K/day | GBX- | GBX- | ▼ -77 days |
| 1988 | 381 days | GBX2.79 Million | GBX7.32K/day | GBX- | GBX- | ▲ +51 days |
| 1987 | 330 days | GBX2.82 Million | GBX8.56K/day | GBX- | GBX- | ▼ 0 days |
| 1986 | 330 days | GBX2.29 Million | GBX6.95K/day | GBX- | GBX- | ▼ -54 days |
| 1985 | 384 days | GBX1.89 Million | GBX4.92K/day | GBX- | GBX- | — |