AutoZone Inc (AZO) — Defensive Interval Ratio
AutoZone Inc (AZO) has a Defensive Interval Ratio of 28 days as of May 2026. Defensive assets of $764.92 Million (cash $-, short-term investments $-, receivables $764.92 Million) cover 28 days of daily cash needs of $27.49 Million/day.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
AutoZone Inc Defensive Interval Ratio (1990–2025)
This chart shows how AutoZone Inc's Defensive Interval Ratio has evolved across 36 annual periods from 1990 to 2025. As of May 2026, the ratio stands at 28 days, meaning defensive assets of $764.92 Million can fund 28 days of operations without new revenue. For the complete balance sheet picture, see AZO total asset value.
Annual Defensive Interval Ratio for AutoZone Inc (1990–2025)
The table below presents the year-by-year Defensive Interval Ratio for AutoZone Inc 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. See working capital position of AutoZone Inc 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 | 37 days | $960.60 Million | $26.08 Million/day | $271.80 Million | $18.66 Million | ▼ 0 days |
| 2024 | 37 days | $882.18 Million | $23.87 Million/day | $298.17 Million | $38.43 Million | ▲ +1 days |
| 2023 | 36 days | $837.08 Million | $23.32 Million/day | $277.05 Million | $39.64 Million | ▲ +1 days |
| 2022 | 35 days | $819.03 Million | $23.53 Million/day | $264.38 Million | $49.77 Million | ▼ -44 days |
| 2021 | 79 days | $1.60 Billion | $20.19 Million/day | $1.17 Billion | $46.01 Million | ▼ -48 days |
| 2020 | 127 days | $2.19 Billion | $17.21 Million/day | $1.75 Billion | $76.12 Million | ▲ +91 days |
| 2019 | 37 days | $553.25 Million | $15.10 Million/day | $176.30 Million | $67.96 Million | ▼ -2 days |
| 2018 | 39 days | $535.40 Million | $13.78 Million/day | $217.82 Million | $59.44 Million | ▼ -7 days |
| 2017 | 45 days | $592.58 Million | $13.06 Million/day | $293.27 Million | $18.57 Million | ▲ +22 days |
| 2016 | 23 days | $295.01 Million | $12.85 Million/day | $- | $7.33 Million | ▲ +3 days |
| 2015 | 20 days | $256.66 Million | $12.91 Million/day | $- | $8.79 Million | ▲ +3 days |
| 2014 | 17 days | $211.30 Million | $12.44 Million/day | $- | $10.40 Million | ▲ +1 days |
| 2013 | 16 days | $188.05 Million | $11.42 Million/day | $- | $16.41 Million | ▼ -2 days |
| 2012 | 18 days | $183.89 Million | $10.02 Million/day | $- | $22.52 Million | ▲ +2 days |
| 2011 | 16 days | $152.56 Million | $9.40 Million/day | $- | $11.87 Million | ▼ -1 days |
| 2010 | 17 days | $142.10 Million | $8.39 Million/day | $- | $16.30 Million | ▼ 0 days |
| 2009 | 17 days | $126.51 Million | $7.42 Million/day | $- | $- | ▲ +7 days |
| 2008 | 10 days | $71.24 Million | $6.90 Million/day | $- | $- | ▼ 0 days |
| 2007 | 10 days | $65.08 Million | $6.26 Million/day | $- | $5.20 Million | ▼ -5 days |
| 2006 | 16 days | $88.36 Million | $5.63 Million/day | $- | $8.00 Million | ▼ -16 days |
| 2005 | 32 days | $158.46 Million | $4.96 Million/day | $- | $40.20 Million | ▲ +13 days |
| 2004 | 18 days | $88.47 Million | $4.80 Million/day | $- | $20.10 Million | ▲ +9 days |
| 2003 | 9 days | $43.75 Million | $4.83 Million/day | $- | $- | ▲ +3 days |
| 2002 | 6 days | $23.78 Million | $4.20 Million/day | $- | $- | ▲ +0 days |
| 2001 | 6 days | $19.14 Million | $3.47 Million/day | $- | $- | ▼ -2 days |
| 2000 | 8 days | $21.41 Million | $2.83 Million/day | $- | $- | ▼ -2 days |
| 1999 | 9 days | $25.90 Million | $2.74 Million/day | $- | $- | ▼ -9 days |
| 1998 | 19 days | $44.40 Million | $2.36 Million/day | $- | $- | ▲ +7 days |
| 1997 | 12 days | $18.70 Million | $1.62 Million/day | $- | $- | ▲ +2 days |
| 1996 | 9 days | $15.50 Million | $1.68 Million/day | $- | $- | ▲ +1 days |
| 1995 | 8 days | $9.70 Million | $1.14 Million/day | $- | $- | ▲ +1 days |
| 1994 | 8 days | $7.10 Million | $928.77K/day | $- | $- | ▼ -5 days |
| 1993 | 13 days | $10.20 Million | $783.84K/day | $- | $- | ▲ +3 days |
| 1992 | 10 days | $5.90 Million | $567.40K/day | $- | $- | ▲ +2 days |
| 1991 | 9 days | $4.20 Million | $486.58K/day | $- | $- | ▼ -1 days |
| 1990 | 9 days | $4.20 Million | $451.78K/day | $- | $- | — |