Aon PLC (AON) — Defensive Interval Ratio
Aon PLC (AON) has a Defensive Interval Ratio of 79 days as of March 2026. Defensive assets of $5.33 Billion (cash $-, short-term investments $238.00 Million, receivables $5.09 Billion) cover 79 days of daily cash needs of $67.22 Million/day. Check AON tangible net assets ratio to evaluate the tangible quality of the company's equity base.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
Aon PLC Defensive Interval Ratio (1990–2025)
This chart shows how Aon PLC's Defensive Interval Ratio has evolved across 36 annual periods from 1990 to 2025. As of March 2026, the ratio stands at 79 days, meaning defensive assets of $5.33 Billion can fund 79 days of operations without new revenue. Also explore Aon PLC (AON) equity growth momentum to track the company's year-over-year net asset growth rate.
Annual Defensive Interval Ratio for Aon PLC (1990–2025)
The table below presents the year-by-year Defensive Interval Ratio for Aon PLC from 1990 to 2025, covering 36 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 Aon PLC (AON) market capitalisation.
| Year | DIR (days) | Defensive Assets (USD) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2025 | 110 days | $7.01 Billion | $63.63 Million/day | $1.20 Billion | $1.60 Billion | ▼ -250 days |
| 2024 | 361 days | $22.72 Billion | $63.00 Million/day | $1.08 Billion | $10.54 Billion | ▲ +286 days |
| 2023 | 75 days | $4.44 Billion | $59.32 Million/day | $778.00 Million | $369.00 Million | ▼ -2 days |
| 2022 | 76 days | $4.25 Billion | $55.63 Million/day | $690.00 Million | $452.00 Million | ▲ +0 days |
| 2021 | 76 days | $3.98 Billion | $52.25 Million/day | $544.00 Million | $292.00 Million | ▼ -15 days |
| 2020 | 91 days | $4.36 Billion | $47.74 Million/day | $884.00 Million | $308.00 Million | ▼ -5 days |
| 2019 | 97 days | $4.13 Billion | $42.66 Million/day | $790.00 Million | $138.00 Million | ▼ -5 days |
| 2018 | 102 days | $3.71 Billion | $36.43 Million/day | $656.00 Million | $172.00 Million | ▼ -10 days |
| 2017 | 112 days | $3.90 Billion | $34.95 Million/day | $756.00 Million | $529.00 Million | ▲ +26 days |
| 2016 | 85 days | $2.92 Billion | $34.23 Million/day | $426.00 Million | $290.00 Million | ▲ +1 days |
| 2015 | 84 days | $3.01 Billion | $35.94 Million/day | $- | $356.00 Million | ▲ +3 days |
| 2014 | 80 days | $3.31 Billion | $41.13 Million/day | $- | $394.00 Million | ▼ -5 days |
| 2013 | 86 days | $3.62 Billion | $42.22 Million/day | $- | $523.00 Million | ▲ +0 days |
| 2012 | 85 days | $3.52 Billion | $41.13 Million/day | $- | $346.00 Million | ▼ -20 days |
| 2011 | 105 days | $3.97 Billion | $37.70 Million/day | $- | $785.00 Million | ▲ +7 days |
| 2010 | 98 days | $3.49 Billion | $35.48 Million/day | $- | $785.00 Million | ▲ +27 days |
| 2009 | 71 days | $2.47 Billion | $34.63 Million/day | $- | $422.00 Million | ▼ -11 days |
| 2008 | 82 days | $2.91 Billion | $35.34 Million/day | $- | $921.00 Million | ▼ -111 days |
| 2007 | 193 days | $7.71 Billion | $39.87 Million/day | $- | $5.72 Billion | ▼ -118 days |
| 2006 | 311 days | $13.13 Billion | $42.17 Million/day | $- | $4.33 Billion | ▲ +31 days |
| 2005 | 280 days | $14.50 Billion | $51.82 Million/day | $- | $4.81 Billion | ▼ -4 days |
| 2004 | 284 days | $15.20 Billion | $53.50 Million/day | $- | $5.10 Billion | ▲ +17 days |
| 2003 | 267 days | $13.93 Billion | $52.19 Million/day | $- | $3.81 Billion | ▼ -45 days |
| 2002 | 312 days | $16.23 Billion | $52.10 Million/day | $- | $6.59 Billion | ▼ -5 days |
| 2001 | 316 days | $14.13 Billion | $44.72 Million/day | $- | $6.15 Billion | ▲ +78 days |
| 2000 | 238 days | $10.55 Billion | $44.42 Million/day | $- | $2.33 Billion | ▲ +19 days |
| 1999 | 218 days | $9.71 Billion | $44.44 Million/day | $- | $2.36 Billion | ▲ +7 days |
| 1998 | 211 days | $8.83 Billion | $41.76 Million/day | $- | $2.22 Billion | ▲ +38 days |
| 1997 | 174 days | $6.85 Billion | $39.40 Million/day | $- | $5.92 Billion | ▼ -169 days |
| 1996 | 343 days | $9.75 Billion | $28.40 Million/day | $- | $5.13 Billion | ▲ +256 days |
| 1995 | 87 days | $3.94 Billion | $45.25 Million/day | $- | $938.30 Million | ▼ -386 days |
| 1994 | 473 days | $3.44 Billion | $7.27 Million/day | $- | $783.20 Million | ▼ -23314 days |
| 1993 | 23787 days | $10.99 Billion | $461.92K/day | $- | $8.89 Billion | ▼ -7819 days |
| 1992 | 31607 days | $9.97 Billion | $315.34K/day | $- | $8.25 Billion | ▼ -16430 days |
| 1991 | 48037 days | $8.33 Billion | $173.42K/day | $- | $7.51 Billion | ▼ -69976 days |
| 1990 | 118013 days | $7.40 Billion | $62.74K/day | $- | $6.81 Billion | — |