Ameren Corp (AEE) — Defensive Interval Ratio
Ameren Corp (AEE) has a Defensive Interval Ratio of 94 days as of June 2026. Defensive assets of $1.28 Billion (cash $-, short-term investments $-, receivables $1.28 Billion) cover 94 days of daily cash needs of $13.64 Million/day.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
Ameren Corp Defensive Interval Ratio (1997–2025)
This chart shows how Ameren Corp's Defensive Interval Ratio has evolved across 29 annual periods from 1997 to 2025. As of June 2026, the ratio stands at 94 days, meaning defensive assets of $1.28 Billion can fund 94 days of operations without new revenue. For the complete balance sheet picture, see AEE asset base.
Annual Defensive Interval Ratio for Ameren Corp (1997–2025)
The table below presents the year-by-year Defensive Interval Ratio for Ameren Corp from 1997 to 2025, covering 29 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 AEE current assets to equity ratio to evaluate short-term liquidity relative to the company's equity base.
| Year | DIR (days) | Defensive Assets (USD) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2025 | 112 days | $1.20 Billion | $10.70 Million/day | $13.00 Million | $- | ▼ -126 days |
| 2024 | 238 days | $2.22 Billion | $9.35 Million/day | $7.00 Million | $1.25 Billion | ▲ +101 days |
| 2023 | 137 days | $1.25 Billion | $9.16 Million/day | $25.00 Million | $308.00 Million | ▼ -10 days |
| 2022 | 146 days | $1.35 Billion | $9.22 Million/day | $10.00 Million | $240.00 Million | ▲ +38 days |
| 2021 | 108 days | $836.00 Million | $7.74 Million/day | $8.00 Million | $8.00 Million | ▼ -41 days |
| 2020 | 149 days | $891.57 Million | $5.97 Million/day | $139.00 Million | $3.57 Million | ▲ +40 days |
| 2019 | 109 days | $750.00 Million | $6.86 Million/day | $16.00 Million | $- | ▼ -7 days |
| 2018 | 116 days | $853.00 Million | $7.36 Million/day | $16.00 Million | $- | ▲ +11 days |
| 2017 | 105 days | $848.00 Million | $8.05 Million/day | $10.00 Million | $0.00 | ▼ -4 days |
| 2016 | 110 days | $804.00 Million | $7.33 Million/day | $9.00 Million | $0.00 | ▼ -17 days |
| 2015 | 126 days | $725.00 Million | $5.73 Million/day | $- | $0.00 | ▲ +2 days |
| 2014 | 125 days | $769.00 Million | $6.16 Million/day | $- | $0.00 | ▼ -9 days |
| 2013 | 134 days | $901.00 Million | $6.74 Million/day | $- | $-3.00 Million | ▼ -34 days |
| 2012 | 168 days | $781.00 Million | $4.65 Million/day | $- | $-37.00 Million | ▼ -1549 days |
| 2011 | 1717 days | $8.40 Billion | $4.89 Million/day | $- | $7.53 Billion | ▲ +1507 days |
| 2010 | 210 days | $1.09 Billion | $5.17 Million/day | $- | $-45.00 Million | ▼ -52 days |
| 2009 | 262 days | $1.23 Billion | $4.69 Million/day | $- | $121.00 Million | ▲ +117 days |
| 2008 | 145 days | $1.22 Billion | $8.39 Million/day | $- | $- | ▼ -7 days |
| 2007 | 152 days | $1.21 Billion | $7.95 Million/day | $- | $- | ▼ -559 days |
| 2006 | 711 days | $4.29 Billion | $6.03 Million/day | $- | $3.40 Billion | ▼ -194 days |
| 2005 | 905 days | $3.69 Billion | $4.07 Million/day | $- | $2.72 Billion | ▲ +740 days |
| 2004 | 165 days | $816.00 Million | $4.95 Million/day | $- | $- | ▲ +28 days |
| 2003 | 137 days | $547.00 Million | $3.99 Million/day | $- | $- | ▲ +3 days |
| 2002 | 134 days | $442.00 Million | $3.29 Million/day | $- | $- | ▲ +28 days |
| 2001 | 106 days | $460.09 Million | $4.33 Million/day | $- | $92.00K | ▼ -57 days |
| 2000 | 163 days | $530.95 Million | $3.25 Million/day | $- | $- | ▲ +31 days |
| 1999 | 133 days | $391.12 Million | $2.95 Million/day | $- | $18.00K | ▼ -30 days |
| 1998 | 163 days | $425.60 Million | $2.62 Million/day | $- | $- | ▼ -42 days |
| 1997 | 205 days | $419.00 Million | $2.05 Million/day | $- | $- | — |