Tons Lightology (4972) — Defensive Interval Ratio
Tons Lightology (4972) has a Defensive Interval Ratio of 515 days as of March 2026. Defensive assets of NT$476.27 Million (cash NT$-, short-term investments NT$339.53 Million, receivables NT$136.74 Million) cover 515 days of daily cash needs of NT$924.12K/day.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
Tons Lightology Defensive Interval Ratio (2017–2025)
This chart shows how Tons Lightology's Defensive Interval Ratio has evolved across 9 annual periods from 2017 to 2025. As of March 2026, the ratio stands at 515 days, meaning defensive assets of NT$476.27 Million can fund 515 days of operations without new revenue. For the complete balance sheet picture, see 4972 asset base.
Annual Defensive Interval Ratio for Tons Lightology (2017–2025)
The table below presents the year-by-year Defensive Interval Ratio for Tons Lightology from 2017 to 2025, covering 9 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 Tons Lightology (4972) liquidity to equity ratio to evaluate short-term liquidity relative to the company's equity base.
| Year | DIR (days) | Defensive Assets (TWD) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2025 | 571 days | NT$516.89 Million | NT$905.22K/day | NT$- | NT$356.91 Million | ▲ +86 days |
| 2024 | 485 days | NT$650.11 Million | NT$1.34 Million/day | NT$- | NT$432.50 Million | ▼ -157 days |
| 2023 | 642 days | NT$871.78 Million | NT$1.36 Million/day | NT$- | NT$571.62 Million | ▼ -315 days |
| 2022 | 956 days | NT$444.05 Million | NT$464.33K/day | NT$- | NT$325.01 Million | ▲ +321 days |
| 2021 | 635 days | NT$444.29 Million | NT$699.41K/day | NT$- | NT$273.31 Million | ▼ -77 days |
| 2020 | 712 days | NT$432.47 Million | NT$607.36K/day | NT$- | NT$283.53 Million | ▲ +111 days |
| 2019 | 601 days | NT$345.91 Million | NT$575.58K/day | NT$- | NT$191.65 Million | ▲ +159 days |
| 2018 | 441 days | NT$313.32 Million | NT$709.72K/day | NT$- | NT$152.24 Million | ▼ -34 days |
| 2017 | 475 days | NT$309.22 Million | NT$650.73K/day | NT$- | NT$148.03 Million | — |