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Earnings Per Share (EPS) Guide: Basic vs. Diluted

This guide clarifies the difference between basic and diluted Earnings Per Share (EPS), fundamental metrics for assessing a company's profitability. We will explain how each is calculated and why both when evaluating a stock's potential may be worth researching. The included stock screen highlights companies followed on our platform, providing examples for understanding EPS in context. This analysis helps investors make informed decisions based on comprehensive earnings insights.

Quick Answer This page provides a guide to understanding basic versus diluted Earnings Per Share (EPS), which are key metrics for evaluating a company's profitability. Basic EPS reflects earnings available to common shareholders, while diluted EPS considers potential dilution from convertible securities.
Examples3Screens60Average score81.00Updated2026-04-10Prices as ofOct 26, 2026 session

Figures come from Financial Modeling Prep (FMP). If FMP has no figure for a ticker, a price or fundamental may come from a Yahoo Finance fallback, or a price from an Alpaca fallback. SEC EDGAR is used only for filing links and company identity details (legal name, address), never for figures.

MoonshotScore V2 rates eligible US-listed companies from 0 to 100 against their sector peers on five pillars: Business Quality (weight 26), Financial Safety (weight 20), Valuation (weight 18), Growth Durability (weight 16) and Momentum (weight 12). It reads no news-sentiment or analyst data, and it is not a probability of future returns.

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Understanding Basic and Diluted EPS

Earnings Per Share (EPS) is a key financial metric that indicates a company's profitability on a per-share basis. It is a fundamental component in valuing stocks and understanding a company's financial health. There are two primary types of EPS: basic EPS and diluted EPS. Basic EPS calculates earnings available to common shareholders, while diluted EPS factors in the potential dilution from all convertible securities, such as stock options and warrants.

Worked Example: These Figures Today

The companies used as examples above, with the current figures behind them. Illustrations of the metric — not a ranking, not a shortlist, and not a recommendation.

Example companies for this topic, listed in the order the guide introduces them — prices, day change and market cap as of the Oct 26, 2026 trading session (FMP quote); P/E and MoonshotScore from our latest stored data. Source: Financial Modeling Prep, Yahoo Finance.
Ticker Company Price Change Market Cap MoonshotScore
AAPL Apple Inc. $343.91 -1.10% $5.0T 89
TSLA Tesla, Inc. $391.62 +5.21% $1.5T 57
NVDA NVIDIA Corporation $216.00 +2.39% $5.2T 97

Shortlist Context: EPS Considerations

The following companies are widely tracked and serve as examples of how EPS is viewed in the market: Apple (AAPL), Tesla (TSLA), and NVIDIA (NVDA). Examining both basic and diluted EPS, alongside other financial metrics, provides a more complete picture of each company's financial performance and potential risks.
Diluted EPS provides a more conservative view of a company's earnings potential because it includes the impact of potential dilution from stock options, warrants, and convertible securities. This metric is crucial for investors as it reflects the potential reduction in EPS if all dilutive securities were exercised.
Basic EPS only considers the current common shares outstanding, while diluted EPS includes the potential increase in shares from stock options, warrants, and convertible securities. Diluted EPS is typically lower than basic EPS, providing a more realistic view of earnings available to each shareholder after all dilutive effects.
A large difference between basic and diluted EPS may indicate that a company has a significant number of dilutive securities outstanding. This could signal potential future dilution of earnings, which might negatively impact shareholder value. Investors should investigate the reasons behind the difference and understand the potential impact on their investment.
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“MoonshotScore rates a US-listed stock 0 to 100 using five sector-relative pillars. Higher means stronger numbers across business quality, safety, valuation, growth and momentum. Eligible common stocks and ADRs only; funds, ETFs, warrants, units, SPACs, preferreds, and notes carry none. It is built for education and deeper due diligence, not financial advice.”
— Stock Expert AI published methodology (how MoonshotScore works)

Questions worth resolving before acting on the screen

Why is diluted EPS important?

Review the underlying financial statements and risk factors before making any decision.

How do basic and diluted EPS differ?

Review the underlying financial statements and risk factors before making any decision.

What does a significant difference between basic and diluted EPS indicate?

Review the underlying financial statements and risk factors before making any decision.

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Stock Expert AI provides data and analysis tools for educational purposes. This is not financial advice. Past performance does not guarantee future results. Always consult a qualified financial advisor before making investment decisions. Figures come from Financial Modeling Prep (FMP). If FMP has no figure for a ticker, a price or fundamental may come from a Yahoo Finance fallback, or a price from an Alpaca fallback. SEC EDGAR is used only for filing links and company identity details (legal name, address), never for figures.