ASC 260 Earnings Per Share — Core Rule
A public company must present both basic and diluted earnings per share on the face of the income statement. At its simplest, EPS is a ratio: the numerator is income available to common shareholders, and the denominator is the weighted-average number of common shares outstanding during the reporting period (ASC 260-10-45-13). Diluted EPS goes further, reflecting the potential dilution that would occur if all in-the-money securities were converted or exercised during the period. Non-public entities are generally exempt, but any entity with publicly traded common stock or potential common stock must comply.
How ASC 260 Earnings Per Share Works
- Basic EPS denominator: Count shares issued and outstanding, weighting each tranche by the fraction of the period it was outstanding. Shares repurchased reduce the weighted-average from the buyback date; newly issued shares enter the denominator from their issuance date. Stock dividends and stock splits require retroactive restatement of all prior periods presented so that comparisons remain meaningful.
- Diluted EPS — convertible instruments (if-converted method): Assume conversion at the beginning of the period (or the issuance date, if later). Add back the after-tax interest expense on convertible debt, or the preferred dividend on convertible preferred stock, to the numerator. Simultaneously, add the shares that would be issued upon conversion to the denominator. If the resulting per-share amount is higher than basic EPS, the security is antidilutive and must be excluded.
- Diluted EPS — options and warrants (treasury stock method): Assume proceeds from hypothetical exercise are used to repurchase shares at the period's average market price. Only the net incremental shares — shares issuable minus shares repurchased — are added to the denominator. When the exercise price exceeds the average market price, no dilution exists and the instrument is excluded entirely.
- Two-class method: Entities with multiple classes of common stock, or participating securities that share in dividends on a formulaic basis, must allocate undistributed earnings to each class according to its contractual participation rights. Basic and diluted EPS are then computed separately for each class. The two-class method and the if-converted method may both be applicable for certain convertible instruments; an entity uses whichever produces the more dilutive result.
- Settlement method matters: Whether a contract must or can be settled in shares versus cash drives the EPS treatment. A contract that allows only cash settlement does not result in additional shares in the denominator, and the numerator is not adjusted to exclude the contract's effect on income available to common shareholders (ASC 260-10-45-13). Physically settled share contracts, by contrast, typically require both a numerator and denominator adjustment.
ASC 260 Earnings Per Share — Common Pitfalls
- Including antidilutive securities: Securities that increase EPS (or reduce a loss per share) must be excluded from diluted EPS. Entities sometimes include out-of-the-money options or convertible instruments during a loss period, mechanically reducing the reported loss per share — which is incorrect.
- Wrong weighting date for new shares: Shares issued in a business combination enter the denominator on the acquisition date, not the beginning of the period. Missing this distinction overstates the denominator.
- Forgetting retroactive restatement: A stock split or stock dividend after the balance sheet date but before financial statements are issued requires restatement of all EPS figures presented, including interim periods.
- Misapplying the control number: The "control number" for determining whether potential common shares are dilutive or antidilutive is income from continuing operations attributable to common shareholders — not total net income. A security that is dilutive relative to continuing operations must be included even if it is antidilutive relative to a discontinued operation.
- Two-class method omissions: Unvested participating share-based awards that receive non-forfeitable dividends must be treated as participating securities. Entities sometimes omit these from the two-class allocation, understating EPS dilution.
ASC 260 Earnings Per Share — Key Paragraphs
- ASC 260-10-45-13 — Establishes the foundational EPS ratio: income available to common shareholders divided by weighted-average common shares outstanding; also governs treatment of cash-settled contracts that do not require a denominator adjustment.
Note: The provided context contains only one verified citable paragraph (ASC 260-10-45-13). The additional conceptual material above is drawn from substantive descriptions within the provided context excerpts. Always verify against your full codification source before publishing.