Amphastar P (AMPH) — Defensive Interval Ratio
Amphastar P (AMPH) has a Defensive Interval Ratio of 597 days as of March 2026. Defensive assets of $268.86 Million (cash $-, short-term investments $121.01 Million, receivables $147.85 Million) cover 597 days of daily cash needs of $450.62K/day. Check AMPH tangible net worth ratio to evaluate the tangible quality of the company's equity base.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
Amphastar P Defensive Interval Ratio (2012–2025)
This chart shows how Amphastar P's Defensive Interval Ratio has evolved across 14 annual periods from 2012 to 2025. As of March 2026, the ratio stands at 597 days, meaning defensive assets of $268.86 Million can fund 597 days of operations without new revenue. Also explore Amphastar P equity growth rate to track the company's year-over-year net asset growth rate.
Annual Defensive Interval Ratio for Amphastar P (2012–2025)
The table below presents the year-by-year Defensive Interval Ratio for Amphastar P from 2012 to 2025, covering 14 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 Amphastar P stock valuation.
| Year | DIR (days) | Defensive Assets (USD) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2025 | 591 days | $256.19 Million | $433.30K/day | $- | $112.64 Million | ▲ +154 days |
| 2024 | 437 days | $208.07 Million | $476.05K/day | $- | $70.04 Million | ▲ +68 days |
| 2023 | 369 days | $227.98 Million | $617.55K/day | $- | $112.51 Million | ▼ -48 days |
| 2022 | 417 days | $108.47 Million | $259.90K/day | $- | $19.66 Million | ▲ +104 days |
| 2021 | 313 days | $89.12 Million | $284.41K/day | $- | $10.32 Million | ▲ +56 days |
| 2020 | 257 days | $78.98 Million | $307.40K/day | $- | $12.98 Million | ▲ +16 days |
| 2019 | 241 days | $59.34 Million | $246.60K/day | $- | $13.96 Million | ▲ +53 days |
| 2018 | 188 days | $54.99 Million | $292.70K/day | $- | $2.83 Million | ▼ -22 days |
| 2017 | 210 days | $38.63 Million | $184.09K/day | $- | $2.63 Million | ▲ +45 days |
| 2016 | 164 days | $27.30 Million | $166.07K/day | $- | $527.00K | ▼ -46 days |
| 2015 | 210 days | $34.52 Million | $164.26K/day | $- | $1.28 Million | ▲ +68 days |
| 2014 | 142 days | $24.35 Million | $171.49K/day | $- | $1.50 Million | ▼ -3 days |
| 2013 | 145 days | $25.91 Million | $179.18K/day | $- | $1.32 Million | ▼ -99 days |
| 2012 | 244 days | $40.16 Million | $164.59K/day | $- | $1.89 Million | — |