Earnings per share connects company profit with the number of shares attributable to shareholders. It is central to P/E valuation.
Formula
Basic EPS generally equals profit attributable to ordinary shareholders divided by the weighted-average ordinary shares outstanding.
Growth
Compare EPS growth with revenue and PAT growth. If EPS rises mainly because share count falls, the underlying business may not have grown at the same pace.
Dilution
Options, convertibles, warrants and employee stock plans can increase the eventual share count. Diluted EPS attempts to reflect such effects.
Valuation link
P/E uses share price divided by EPS. When EPS is cyclical or affected by one-offs, the reported multiple needs additional context.
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Deep research: what actually moves EPS?
EPS can rise because profit rises, because the share count falls, or both. Always separate operating improvement from financial engineering such as buybacks or dilution.
Reported vs adjusted EPS
Check exceptional items, discontinued operations, tax changes and acquisition effects before treating a single EPS number as sustainable.
Basic vs diluted EPS
Diluted EPS considers instruments that can increase the share count. For valuation, understand which share count is being used and whether future dilution is material.
EPS growth quality
Ask whether growth comes from revenue, margins, lower interest expense, lower taxes, buybacks or one-off items. These have different implications for future earnings.
EPS and valuation
P/E is price divided by EPS, so a small change in the denominator can materially change the multiple. Normalise EPS before making valuation comparisons.
EPS checklist
- ☐ Basic/diluted definition checked
- ☐ Share-count changes understood
- ☐ Exceptional items reviewed
- ☐ Multi-year EPS trend reviewed
- ☐ Cash conversion checked
- ☐ Future EPS assumptions documented