Understanding of Piotroski Score
Piotroski score, developed by Stanford professor Joseph Piotroski. It helps investor, particularly those who have mindset of value investing. score 8-9 indicates strong financial health & low risk failure.
Piotroski is basically calculated based on 3 parameters:
Profitability (4 points)
• Positive ROA and ROA improvement
• Net income must be positive
• Positive operating cash flow
• Operating cash flow must be higher from net income
Leverage, Liquidity & source of funds (3 points)
• Low leverage company & long-term debt must decrease from the previous year
• Company must have higher liquidity to manage short-term debt
• No new shares were issued during last year
Operating efficiency (2 points)
• Gross margin must improve, which indicates better cost control.
• Increased asset turnover ratio, indicates efficient asset usage to generate revenue.
Interpretation of score:
• 7-9 indicates strong financial position, considered high value and safe investment.
• 5-6 stable financial health.
• 0-3 weak financial position and high risk considered.