PRLBProto Labs, Inc.
Is it safe?
Solid, nothing alarming: clean books, but big price swings.
Reported earnings show no manipulation flags Beneish M-score, a forensic model that detects earnings-manipulation patterns (receivables outrunning sales, margins slipping, accrual-heavy profit).
Mixed fundamental signals Piotroski F-score, nine pass/fail tests of year-over-year financial health across profitability, balance sheet and efficiency. 7 to 9 is strong, 0 to 3 weak.
Insiders were net sellers (-$903K, 90 days to Oct 8, 2026), selling is often routine.
Large price swings, high volatility. Worst drawdown -91% · now 5% 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.
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 PRLB take a bad year?
The deepest fall in PRLB's price history on file is −91%; it is 5.1% below its high today.
Worst drawdown on file · −5.1% today
- Annualised volatility
- 52%
Annualised volatility · roughly twice as jumpy as the market
Details›
- Cash and short-term investments
- $143M
- EBITDA, trailing twelve months
- $70M
- Operating profit, trailing twelve months
- $37M
- Annualised volatilitytwo years of daily moves
- 52%
- Worst drawdown on file
- −91%
- Below its 52-week high
- 5.1%
Balance sheet from SEC filings; drawdown and volatility from end-of-day closes; Altman Z from the filed statements.