RBBNRibbon Communications Inc.

$1.72-54% 1Y

Is it safe?

Watch

Caution warranted: heavy debt (CCC) and big price swings.

2 to watch, 4 without data
Credit gradeCCCderived · Jun 30, 2026

Debt against weak or negative operating profit. A rule of thumb on leverage, not a credit rating.

Drawdown risk58% volderived · Oct 8, 2026

Large price swings, high volatility. Worst drawdown -85% · now 58% below its 52-week high.

Where this answer is blind. Altman sits structurally low for utilities and pipelines; Beneish runs high for fast growers, since sales growth alone lifts it; banks and REITs are excluded.

Can RBBN take a bad year?

The deepest fall in RBBN's price history on file is −85%; it is 58% below its high today.

$286M

Net debt · as at Q2 2026 · debt less the cash on hand, with no positive EBITDA to service it

Debt / equity
0.84×

Debt / equity

Annualised volatility
58%

Annualised volatility · roughly twice as jumpy as the market

Worst drawdown on file
−85%

Worst drawdown on file · −58% today

Details›
Total debtQ2 2026
$329M
Cash and short-term investments
$44M
Net debt
$286M
EBITDA, trailing twelve months
−$14M
Operating profit, trailing twelve months
−$32M
Debt / equity
0.84×
Annualised volatilitytwo years of daily moves
58%
Worst drawdown on file
−85%
Below its 52-week high
58%

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