Ciena Corp (CIEN) — Defensive Interval Ratio
Ciena Corp (CIEN) has a Defensive Interval Ratio of 383 days as of April 2026. Defensive assets of $1.37 Billion (cash $-, short-term investments $157.71 Million, receivables $1.22 Billion) cover 383 days of daily cash needs of $3.59 Million/day.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
Ciena Corp Defensive Interval Ratio (1997–2025)
This chart shows how Ciena Corp's Defensive Interval Ratio has evolved across 29 annual periods from 1997 to 2025. As of April 2026, the ratio stands at 383 days, meaning defensive assets of $1.37 Billion can fund 383 days of operations without new revenue. For the complete balance sheet picture, see Ciena Corp assets under control.
Annual Defensive Interval Ratio for Ciena Corp (1997–2025)
The table below presents the year-by-year Defensive Interval Ratio for Ciena 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 CIEN working capital 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 | 394 days | $1.41 Billion | $3.58 Million/day | $- | $216.15 Million | ▼ -178 days |
| 2024 | 572 days | $1.57 Billion | $2.74 Million/day | $- | $316.34 Million | ▲ +66 days |
| 2023 | 506 days | $1.29 Billion | $2.55 Million/day | $- | $104.75 Million | ▲ +66 days |
| 2022 | 440 days | $1.25 Billion | $2.85 Million/day | $- | $153.99 Million | ▼ -36 days |
| 2021 | 476 days | $1.19 Billion | $2.49 Million/day | $- | $181.48 Million | ▲ +7 days |
| 2020 | 469 days | $977.90 Million | $2.08 Million/day | $- | $150.67 Million | ▲ +61 days |
| 2019 | 409 days | $946.98 Million | $2.32 Million/day | $- | $109.94 Million | ▲ +44 days |
| 2018 | 365 days | $961.83 Million | $2.64 Million/day | $- | $148.98 Million | ▲ +43 days |
| 2017 | 321 days | $913.02 Million | $2.84 Million/day | $- | $279.13 Million | ▼ -31 days |
| 2016 | 352 days | $859.62 Million | $2.44 Million/day | $- | $275.25 Million | ▼ -39 days |
| 2015 | 391 days | $714.36 Million | $1.83 Million/day | $- | $135.11 Million | ▲ +78 days |
| 2014 | 313 days | $669.87 Million | $2.14 Million/day | $- | $140.21 Million | ▼ -51 days |
| 2013 | 364 days | $613.56 Million | $1.69 Million/day | $- | $124.98 Million | ▲ +149 days |
| 2012 | 215 days | $404.24 Million | $1.88 Million/day | $- | $50.06 Million | ▼ -136 days |
| 2011 | 351 days | $436.29 Million | $1.24 Million/day | $- | $12.53 Million | ▲ +69 days |
| 2010 | 282 days | $363.26 Million | $1.29 Million/day | $- | $12.99 Million | ▼ -974 days |
| 2009 | 1256 days | $684.38 Million | $544.74K/day | $- | $563.18 Million | ▲ +221 days |
| 2008 | 1035 days | $508.75 Million | $491.34K/day | $- | $366.34 Million | ▲ +568 days |
| 2007 | 467 days | $935.03 Million | $2.00 Million/day | $- | $822.18 Million | ▼ -1220 days |
| 2006 | 1687 days | $747.03 Million | $442.75K/day | $- | $628.39 Million | ▲ +325 days |
| 2005 | 1362 days | $665.86 Million | $488.94K/day | $- | $579.53 Million | ▼ -478 days |
| 2004 | 1839 days | $799.13 Million | $434.46K/day | $- | $753.25 Million | ▲ +192 days |
| 2003 | 1647 days | $840.41 Million | $510.13K/day | $- | $796.81 Million | ▼ -243 days |
| 2002 | 1890 days | $1.16 Billion | $613.20K/day | $- | $1.13 Billion | ▲ +28 days |
| 2001 | 1862 days | $1.30 Billion | $696.94K/day | $- | $902.59 Million | ▲ +1137 days |
| 2000 | 725 days | $344.08 Million | $474.90K/day | $- | $95.13 Million | ▼ -186 days |
| 1999 | 911 days | $263.30 Million | $289.04K/day | $- | $119.00 Million | ▲ +407 days |
| 1998 | 504 days | $85.50 Million | $169.59K/day | $- | $- | ▲ +74 days |
| 1997 | 430 days | $63.20 Million | $146.85K/day | $- | $- | — |