PTCTPTC Therapeutics, Inc.

$64.70+7.0% 1Y

Is it safe?

Mixed

Forensics clean, with a caveat: a safe balance sheet and comfortable debt (AA), but big price swings.

2 good, 1 to watch, 1 neutral, 2 without data
SurvivalSafe zone

Financially healthy, low distress risk Altman Z-score, a bankruptcy-risk model from five balance-sheet ratios.

Insider conviction-$8.4M

Insiders were net sellers (-$8.4M, 90 days to Oct 8, 2026), selling is often routine.

Credit gradeAAderived · Jun 30, 2026

Net cash and profitable. A rule of thumb on leverage, not a credit rating.

Drawdown risk50% volderived · Oct 9, 2026

Large price swings, high volatility. Worst drawdown -74% · now 25% below its 52-week high.

Unless marked, from SEC EDGAR, as of Dec 31, 2025.

Against the whole market›

Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.

Volatilitymiddle of the market
Max drawdownmiddle of the market

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 PTCT take a bad year?

PTC Therapeutics, Inc. holds $1.64B more cash than debt, and is burning $9.9M a quarter, about 56.0 years of cover.

$1.64B

Net cash

Net debt / EBITDA
net cash

Net debt / EBITDA · no net borrowings to measure against earnings

Altman Z-score
2.05

Altman Z-score · grey zone, between 1.8 and 3

Cash runway
5+ years

Cash runway · burning $9.9M a quarter at the current rate

Details›
Total debtQ2 2026
$591M
Cash and short-term investments
$2.23B
Net cash
$1.64B
EBITDA, trailing twelve months
$173M
Operating profit, trailing twelve months
$126M
Total debt / EBITDA
3.41×
Annualised volatilitytwo years of daily moves
50%
Worst drawdown on file
−74%
Below its 52-week high
25%

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