What are the major limitations of ratio analysis?

Ratio analysis is a powerful tool for financial statement analysis, but it has several major limitations:

Historical Data: Ratios are based on past financial data and do not reflect future performance or changing economic conditions.
Lack of Qualitative Factors: Ratios ignore non-financial factors like management quality, employee morale, brand reputation, and market conditions.
Window Dressing: Companies may manipulate accounting practices (e.g., timing of expenses, revenue recognition) to distort ratios artificially.
Industry Variations: Benchmarking ratios across industries is difficult due to differing accounting practices, business models, and economic environments.
Inflation Impact: In high-inflation economies, historical cost accounting can distort ratios like inventory turnover or debt-to-equity.
Limited Insight: Ratios provide snapshots, not trends. A single ratio (e.g., current ratio) cannot explain underlying financial health without context.
Comparability Issues: Differences in fiscal years, accounting standards (e.g., IFRS vs. local GAAP), or capital structures (e.g., leasing vs. debt) hinder cross-firm comparisons.
Ignores Off-Balance-Sheet Items: Leases, contingent liabilities, or intangible assets (e.g., goodwill) may not be fully captured in ratios.
Subjectivity in Interpretation: Ratios require judgment; what is "good" for one firm may be "poor" for another.
Static Nature: Ratios do not account for seasonal fluctuations or one-time events (e.g., asset sales, natural disasters).

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