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Plain-English guides to the ratios, scores and ideas used across the site — what they mean, how to read them, and when they actually matter. Every article follows the same shape: a plain definition, real worked examples with actual numbers, the common mistakes people make with it, and where it fits into how IsStockSafe scores a company — never jargon for its own sake, and never a recommendation about what to buy.

Core ratios & metrics
The individual numbers you'll see on almost every stock page — PE, ROE, debt ratios and the rest — each explained with a real formula, worked examples using actual figures, and the specific ways people commonly misread them.
The six pillars, explained
How IsStockSafe actually combines those individual ratios into the six pillar scores shown on every stock page, including the exact point weights and adjustment rules behind each one — not an approximation, the real formula.
Practical how-to guides
Getting more out of the tools already on this site — reading the Combined Score correctly, building a watchlist that stays useful, and comparing companies the right way instead of by headline number alone.
Broader investing concepts
General investing ideas that apply well beyond this site specifically — value versus growth, diversification, compounding, and the well-documented mistakes worth knowing about in advance.