Sentinellis Blog

Reading companies, without the jargon.

Fundamentals, financial scores and how to think clearly about investments — written for people who didn't study finance.

FundamentalsApril 24, 202611 min read
ROIC vs WACC Explained: How to Tell If a Company Actually Creates Value
What ROIC and WACC are, how to compute both, and why the spread between them is the single most important number in fundamental investing.
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FundamentalsApril 24, 20269 min read
Piotroski F-Score Explained: A 9-Point Financial Health Check (with a Live Apple Example)
What the Piotroski F-Score is, how to calculate all 9 criteria, and how to read the result. Plain English, with a real Apple walkthrough.
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FundamentalsApril 24, 202610 min read
Altman Z-Score Explained: Predicting Bankruptcy in 5 Minutes (with Real Examples)
What the Altman Z-Score is, the exact formula, how to read the result, and which version to use for manufacturers vs tech vs private companies.
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