EPS

beginner

7 min read

Updated 2026-07-13

Reviewed by SST Editorial

Earnings Per Share (EPS) is a fundamental metric calculated by dividing a company's net income (minus preferred dividends) by the average number of outstanding shares. It represents the portion of a company's profit that belongs to each individual share, acting as the foundation for valuation metrics like the P/E ratio.

Key Takeaways

01.Calculated as (Net Income - Preferred Dividends) / Average Outstanding Shares.
02.Diluted EPS accounts for potential share dilution (stock options, convertible bonds) and is more conservative than Basic EPS.
03.A rising EPS indicates growing profitability or share buybacks.
04.Feeds directly into P/E, PEG, and other key valuation calculations.

Why it matters

EPS is the ultimate scorecard of corporate profitability on a per-share basis. A company can grow its absolute net income, but if it issues too many new shares in the process, the EPS will decline, destroying shareholder value. Long-term stock prices tend to follow the trajectory of EPS growth.

When it matters

It is essential when evaluating quarterly and annual corporate earnings performance.

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Visual Reference: diagram

Comparing EPS growth vs Net Income growth to show the impact of share buybacks.

Interactive Tool: widget

Vary net income and share count to observe the impact on EPS and fair valuation.

Common Mistakes

Ignoring the impact of share dilution

Relying on Basic EPS instead of Diluted EPS can lead you to overestimate a company's earnings power, especially in tech startups that issue substantial employee stock options.

📖 Real-World Example: Share buyback impact

A major consumer technology firm grew its net income by 5% in a fiscal year. However, by aggressively repurchasing and retiring 6% of its outstanding shares, it managed to grow its Earnings Per Share (EPS) by 11.5%, demonstrating how capital allocation can enhance per-share returns.

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