PlaybooksJoseph Piotroski
Joseph Piotroski
F-score financial strength value screen
Rules-based Verdykt interpretation of a published accounting score. Not affiliated with or endorsed by Joseph Piotroski.
Value qualityFundamentals onlyHigh confidenceUS equities
Value qualityMethod familyHighSource confidence4Documented factorsv1.0Rule version
Screen thesis
Score each company on nine accounting signals across profitability, leverage, and operating efficiency. A high score flags improving financial strength — most useful among statistically cheap stocks.
Rulebook
Every rule is visible. Required rules must pass; scoring and guardrail rules shape or caution the result.
RuleThresholdRoleRationale
F-score>= 7 of 9RequiredImproving financial strength
Positive net income> 0ComponentProfitability signal
Operating cash flow > net income> 0ComponentEarnings quality
Lower long-term debt ratio (YoY)< Prior yearComponentDeleveraging
No net share issuance (YoY)<= Prior yearComponentNo dilution
Price-to-book<= Bottom 40%Value filterScore works best on cheap stocks
Verdykt Playbooks are rules-based interpretations of public investing principles. Screens are not affiliated with or endorsed by the named investors or firms, and nothing here is investment advice or a recommendation to buy or sell securities.