CIENCiena

$341.11

Is it safe?

Can CIEN take a bad year?

Ciena carries $600M of net debt at 0.74× EBITDA: a load its earnings can carry.

$600M

Net debt · as at Q3 2026 · under two and a half years of EBITDA, comfortable

Net debt / EBITDA
0.74×

Net debt / EBITDA · 0.69× a year ago · the load is going up

Altman Z-score
13.20

Altman Z-score · safe zone, above 3

Interest cover
10.6×

Interest cover · operating profit covers the interest bill several times over

Details
Total debtQ3 2026
$3.23B
Cash and short-term investments
$2.63B
Net debt
$600M
EBITDA, trailing twelve months
$806M
Operating profit, trailing twelve months
$739M
Debt / equity
1.06×
Total debt / EBITDA
4.01×
Annualised volatilitytwo years of daily moves
65%
Worst drawdown on file
−50%
Below its 52-week high
46%

Balance sheet from SEC filings; drawdown and volatility from end-of-day closes; Altman Z from the filed statements.