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

Syntax

=AltmanZScore()
Excel Desktop (Windows)

Returns

number

Altman Z-Score value

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

What is a good Z-Score?

Above 2.99 is considered safe. Between 1.81-2.99 is a grey zone. Below 1.81 indicates potential distress.

Does this work for all companies?

The original model was for manufacturing. Different versions exist for service, private, and emerging market companies.

How accurate is this predictor?

Studies show 80-90% accuracy in predicting bankruptcy within 2 years, but it's not foolproof.

Related Formulas

More MarketXLS Valuation formulas you can use in the same worksheet:

See AltmanZScore used in a complete workbook: Altman Z-Score Screener Excel: Bankruptcy Risk Dashboard (May 2026)

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