Altman Z Score

Returns the Altman Z-Score, a formula that predicts the probability of a company going bankrupt. Developed by Professor Edward Altman in 1968.

Interpretation

Z-Score Risk Zone
> 2.99 Safe Zone - Low bankruptcy risk
1.81 - 2.99 Grey Zone - Moderate risk
< 1.81 Distress Zone - High bankruptcy risk

Formula Components (5 Variables)

Z = 1.2A + 1.4B + 3.3C + 0.6D + 1.0E

Where:

  • A = Working Capital / Total Assets
  • B = Retained Earnings / Total Assets
  • C = EBIT / Total Assets
  • D = Market Value of Equity / Total Liabilities
  • E = Sales / Total Assets

Notes

  • Higher score indicates lower bankruptcy risk
  • Originally designed for manufacturing companies
  • Still widely used as a financial health indicator

Examples

Get Altman Z-Score
=IF(AltmanZScore()>2.99,"Safe","Review")
Quick risk check
=IF(AltmanZScore()<1.81,"Distress","")
Flag distressed

When to Use

  • Credit analysis and lending decisions
  • Investment due diligence
  • Financial health screening
  • Risk management

When NOT to Use

Scenario Use Instead
Earnings manipulation BeneishMScore()
Financial strength score FScore()
Service companies Modified Z-Score models
Current valuation PE, PB ratios

Common Issues & FAQ

Q: What is a good Z-Score? A: Above 2.99 is considered safe. Between 1.81-2.99 is a grey zone. Below 1.81 indicates potential distress.

Q: Does this work for all companies? A: The original model was for manufacturing. Different versions exist for service, private, and emerging market companies.

Q: How accurate is this predictor? A: Studies show 80-90% accuracy in predicting bankruptcy within 2 years, but it's not foolproof.

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MarketXLS Excel Add-in Tutorial - How to Use Altman Z Score and Other Financial Formulas
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