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QUANTITATIVE FACTOR DESK • MODEL 2

Altman Z-Score & Piotroski F-Score Credit Diagnostic

Comprehensive institutional balance sheet solvency and fundamental accounting quality underwriter. Evaluates two-year bankruptcy probability via Edward Altman's Z-Score and nine-point accounting quality via Joseph Piotroski's F-Score.

BALANCE SHEET & INCOME STATEMENT ($M)
Total Assets (TA)
Current Assets (CA)
Current Liabilities (CL)
Retained Earnings (RE)
Operating Earnings / EBIT
Market Cap / Equity Value
Total Liabilities (TL)
Long-Term Debt
Annual Revenues / Sales
Cash Flow from Operations (CFO)
PRIOR FISCAL YEAR COMPARATIVES ($M)
Prior Year Operating Income
Prior Year Long-Term Debt
Prior Year Current Ratio
Prior Year Gross Margin %
Current Year Gross Margin %
Altman Z-Score
3.85
Safe Solvency Zone
Piotroski F-Score
8 / 9
High Quality Fundamental
Default Probability (2-Yr)
< 0.8%
Negligible Default Risk
Non-Mfg Z''-Score
6.24
Unconstrained Formula
Altman Z-Score Solvency Spectrum
Distress Zone (< 1.81) Gray Zone (1.81 – 2.99) Safe Zone (> 2.99)
Piotroski 9-Point Fundamental Accounting Quality Breakdown

The Mechanics of Corporate Solvency & Accounting Quality Underwriting

Corporate credit risk assessment requires separating transient accounting profitability from structural balance sheet solvency. Developed by Dr. Edward Altman at NYU Stern in 1968, the Altman Z-Score utilizes multiple discriminant analysis (MDA) across 5 core financial ratios to predict corporate bankruptcy with 72%–80% accuracy within a 2-year horizon:

Z = 1.2(X_1) + 1.4(X_2) + 3.3(X_3) + 0.6(X_4) + 0.999(X_5)

X_1 = Working Capital / Total Assets (Liquidity buffer)
X_2 = Retained Earnings / Total Assets (Cumulative profitability & leverage age)
X_3 = EBIT / Total Assets (Productive asset earnings power)
X_4 = Market Value of Equity / Total Liabilities (Market leverage cushion)
X_5 = Sales / Total Assets (Asset turnover velocity)

Complementing the Z-Score, Stanford accounting professor Joseph Piotroski formulated the 9-Point F-Score in 2000. While the Z-Score focuses heavily on capital structure and debt coverage, the F-Score evaluates operating momentum, accruals quality, and cash-conversion purity. Firms scoring 8 or 9 historically deliver superior equity returns and minimal credit default frequency.