Norfolk Southern Corporation (NSC) — Defensive Interval Ratio
Norfolk Southern Corporation (NSC) has a Defensive Interval Ratio of 96 days as of December 2025. Defensive assets of $988.00 Million (cash $-, short-term investments $-, receivables $988.00 Million) cover 96 days of daily cash needs of $10.34 Million/day. Check tangible net worth ratio of Norfolk Southern Corporation to evaluate the tangible quality of the company's equity base.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
Norfolk Southern Corporation Defensive Interval Ratio (1985–2025)
This chart shows how Norfolk Southern Corporation's Defensive Interval Ratio has evolved across 41 annual periods from 1985 to 2025. As of December 2025, the ratio stands at 96 days, meaning defensive assets of $988.00 Million can fund 96 days of operations without new revenue. Also explore Norfolk Southern Corporation (NSC) equity growth momentum to track the company's year-over-year net asset growth rate.
Annual Defensive Interval Ratio for Norfolk Southern Corporation (1985–2025)
The table below presents the year-by-year Defensive Interval Ratio for Norfolk Southern Corporation from 1985 to 2025, covering 41 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 Norfolk Southern Corporation (NSC) market capitalisation.
| Year | DIR (days) | Defensive Assets (USD) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2025 | 96 days | $988.00 Million | $10.34 Million/day | $- | $- | ▼ -183 days |
| 2024 | 279 days | $2.71 Billion | $9.71 Million/day | $1.64 Billion | $- | ▼ -97 days |
| 2023 | 377 days | $2.71 Billion | $7.21 Million/day | $1.57 Billion | $- | ▲ +155 days |
| 2022 | 221 days | $1.60 Billion | $7.26 Million/day | $456.00 Million | $- | ▼ -42 days |
| 2021 | 263 days | $1.81 Billion | $6.91 Million/day | $839.00 Million | $- | ▼ -676 days |
| 2020 | 938 days | $5.55 Billion | $5.92 Million/day | $1.11 Billion | $3.59 Billion | ▲ +700 days |
| 2019 | 238 days | $1.50 Billion | $6.30 Million/day | $580.00 Million | $- | ▲ +45 days |
| 2018 | 193 days | $1.37 Billion | $7.10 Million/day | $358.00 Million | $- | ▼ -43 days |
| 2017 | 236 days | $1.65 Billion | $6.97 Million/day | $690.00 Million | $0.00 | ▼ -61 days |
| 2016 | 297 days | $1.90 Billion | $6.41 Million/day | $956.00 Million | $0.00 | ▲ +142 days |
| 2015 | 155 days | $946.00 Million | $6.11 Million/day | $- | $0.00 | ▼ -62 days |
| 2014 | 216 days | $1.05 Billion | $4.88 Million/day | $- | $0.00 | ▲ +35 days |
| 2013 | 181 days | $1.14 Billion | $6.32 Million/day | $- | $118.00 Million | ▼ -16 days |
| 2012 | 197 days | $1.12 Billion | $5.70 Million/day | $- | $15.00 Million | ▼ -28 days |
| 2011 | 225 days | $1.05 Billion | $4.66 Million/day | $- | $25.00 Million | ▲ +34 days |
| 2010 | 191 days | $1.09 Billion | $5.70 Million/day | $- | $283.00 Million | ▲ +16 days |
| 2009 | 175 days | $856.00 Million | $4.90 Million/day | $- | $90.00 Million | ▲ +24 days |
| 2008 | 151 days | $870.00 Million | $5.77 Million/day | $- | $- | ▼ -26 days |
| 2007 | 177 days | $942.00 Million | $5.34 Million/day | $- | $- | ▼ -65 days |
| 2006 | 241 days | $1.38 Billion | $5.73 Million/day | $- | $391.00 Million | ▼ -120 days |
| 2005 | 361 days | $1.90 Billion | $5.26 Million/day | $- | $968.00 Million | ▲ +219 days |
| 2004 | 142 days | $857.00 Million | $6.03 Million/day | $- | $90.00 Million | ▲ +1 days |
| 2003 | 141 days | $695.00 Million | $4.93 Million/day | $- | $- | ▲ +6 days |
| 2002 | 135 days | $683.00 Million | $5.08 Million/day | $- | $- | ▲ +62 days |
| 2001 | 73 days | $475.00 Million | $6.54 Million/day | $- | $- | ▼ -7 days |
| 2000 | 80 days | $413.00 Million | $5.17 Million/day | $- | $2.00 Million | ▼ -85 days |
| 1999 | 165 days | $871.00 Million | $5.27 Million/day | $- | $14.00 Million | ▼ -23 days |
| 1998 | 189 days | $577.00 Million | $3.06 Million/day | $- | $58.00 Million | ▼ -38 days |
| 1997 | 226 days | $677.00 Million | $2.99 Million/day | $- | $125.00 Million | ▼ -5 days |
| 1996 | 231 days | $752.20 Million | $3.26 Million/day | $- | $194.20 Million | ▼ -61 days |
| 1995 | 292 days | $964.80 Million | $3.30 Million/day | $- | $261.30 Million | ▼ -23 days |
| 1994 | 315 days | $976.30 Million | $3.10 Million/day | $- | $249.70 Million | ▲ +38 days |
| 1993 | 277 days | $907.60 Million | $3.28 Million/day | $- | $- | ▼ -37 days |
| 1992 | 313 days | $1.01 Billion | $3.24 Million/day | $- | $- | ▲ +116 days |
| 1991 | 197 days | $724.90 Million | $3.67 Million/day | $- | $- | ▼ -30 days |
| 1990 | 227 days | $852.70 Million | $3.76 Million/day | $- | $- | ▼ -42 days |
| 1989 | 269 days | $887.80 Million | $3.31 Million/day | $- | $- | ▼ -27 days |
| 1988 | 295 days | $966.00 Million | $3.27 Million/day | $- | $- | ▲ +28 days |
| 1987 | 267 days | $887.60 Million | $3.32 Million/day | $- | $- | ▼ -8 days |
| 1986 | 275 days | $793.80 Million | $2.89 Million/day | $- | $- | ▲ +75 days |
| 1985 | 200 days | $783.60 Million | $3.92 Million/day | $- | $- | — |