Ciena Corp (CIEN) — Defensive Interval Ratio

Latest as of January 2026: 374 days

Ciena Corp (CIEN) has a Defensive Interval Ratio of 374 days as of January 2026. Defensive assets of $1.29 Billion (cash $-, short-term investments $176.31 Million, receivables $1.11 Billion) cover 374 days of daily cash needs of $3.45 Million/day. Check Ciena Corp tangible net worth ratio to evaluate the tangible quality of the company's equity base.

Defensive Interval Ratio

374 days
Days of operational coverage

Defensive Assets

$1.29 Billion
Cash + ST Investments + Receivables

Daily Cash Need

$3.45 Million
Current Liabilities ÷ 365

Current Liabilities

$1.26 Billion
USD

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 January 2026, the ratio stands at 374 days, meaning defensive assets of $1.29 Billion can fund 374 days of operations without new revenue. Also explore how fast is Ciena Corp growing its equity to track the company's year-over-year net asset growth rate.

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. For live market cap and the full company financial profile, see market value of Ciena Corp.

Year DIR (days) Defensive Assets (USD) Daily Cash Need Cash ST Investments Change (days)
2025 333 days $1.19 Billion $3.58 Million/day $- $216.15 Million ▼ -239 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 $- $-
DIR = (Cash + Short-term Investments + Net Receivables) / (Daily Cash Expenses)