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Beneish M-Score (Earnings Manipulation) Screener Formula Breakdown
Ratio of receivables to sales. Disproportionate increases suggest early revenue recognition.
Ratio of past gross margin to current gross margin. Worsening margins create pressure to manipulate earnings.
Ratio of non-current assets excluding PPE to total assets. Increases indicate aggressive capitalization of operating costs.
Accrual proxy: (Net Income - Operating Cash Flow) / Total Assets. High accruals signal low-quality earnings.
How to Calculate Beneish M-Score Step-by-Step
Extract current and prior period revenues, receivables, gross profits, and depreciation from financial statements.
Calculate the 8 core accounting indexes: DSRI, GMI, AQI, SGI, DEPI, SGAI, LVGI, and TATA.
Apply Professor Beneish's empirical weights to produce the composite M-Score.
Compare score to benchmark threshold: Scores greater than -1.78 indicate high manipulation probability.
Output forensic accounting verdict: Non-Manipulator (Pristine), Borderline Caution, or Manipulator Warning.
How to Interpret the Result
Frequently Asked Questions
What is the Beneish M-Score?
Created in 1999 by Indiana University professor Messod Beneish, the M-Score is a mathematical forensic model that evaluates 8 balance sheet and income statement ratios to uncover financial statement manipulation.
Did the Beneish M-Score really predict Enron's fraud?
Yes! In 1998, Cornell students using the Beneish M-Score flagged Enron as an aggressive earnings manipulator long before the company collapsed into bankruptcy in late 2001.
What does an M-Score of -2.50 mean?
An M-Score of -2.50 is well below the -1.78 danger threshold, indicating that the company's financial reporting displays low non-cash accruals and clean, unmanipulated accounting records.
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