Serina Therapeutics Inc (SER) — Defensive Interval Ratio
Serina Therapeutics Inc (SER) has a Defensive Interval Ratio of 429 days as of September 2025. Defensive assets of $10.34 Million (cash $8.62 Million, short-term investments $1.72 Million, receivables $-) cover 429 days of daily cash needs of $24.08K/day. See SER net working capital ratio to evaluate short-term liquidity relative to the company's equity base.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
Serina Therapeutics Inc Defensive Interval Ratio (2016–2024)
This chart shows how Serina Therapeutics Inc's Defensive Interval Ratio has evolved across 9 annual periods from 2016 to 2024. As of September 2025, the ratio stands at 429 days, meaning defensive assets of $10.34 Million can fund 429 days of operations without new revenue. See Serina Therapeutics Inc net asset quality index to measure how much of total assets are equity-financed.
Annual Defensive Interval Ratio for Serina Therapeutics Inc (2016–2024)
The table below presents the year-by-year Defensive Interval Ratio for Serina Therapeutics Inc from 2016 to 2024, 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. For live market cap and the full company financial profile, see market cap of Serina Therapeutics Inc.
| Year | DIR (days) | Defensive Assets (USD) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2024 | 566 days | $3.67 Million | $6.48K/day | $3.67 Million | $- | ▲ +463 days |
| 2023 | 104 days | $402.00K | $3.87K/day | $345.00K | $- | ▲ +80 days |
| 2022 | 24 days | $649.00K | $27.61K/day | $645.00K | $0.00 | ▼ -18 days |
| 2021 | 42 days | $1.02 Million | $24.57K/day | $- | $996.45K | ▲ +19 days |
| 2020 | 22 days | $326.00K | $14.68K/day | $- | $- | ▼ -18 days |
| 2019 | 40 days | $363.00K | $9.03K/day | $- | $- | ▲ +21 days |
| 2018 | 20 days | $131.00K | $6.68K/day | $- | $- | ▼ -10 days |
| 2017 | 30 days | $107.00K | $3.59K/day | $- | $- | ▲ +25 days |
| 2016 | 4 days | $308.00K | $70.13K/day | $- | $- | — |