AutoZone Inc (AZO) — Defensive Interval Ratio
AutoZone Inc (AZO) has a Defensive Interval Ratio of 37 days as of February 2026. Defensive assets of $1.01 Billion (cash $285.49 Million, short-term investments $28.49 Million, receivables $698.38 Million) cover 37 days of daily cash needs of $27.09 Million/day. See AutoZone Inc working capital to net assets to evaluate short-term liquidity relative to the company's equity base.
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 February 2026, the ratio stands at 37 days, meaning defensive assets of $1.01 Billion can fund 37 days of operations without new revenue. See how leveraged is AutoZone Inc's balance sheet to measure how much of total assets are equity-financed.
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. For live market cap and the full company financial profile, see AutoZone Inc market cap and net worth.
| 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 | $- | $- | — |