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FASB ASC Topic 321, Investments—Equity Securities

Authoritative US GAAP research starting point for equity securities outside consolidation and the equity method, including fair value through earnings and the measurement alternative.

Authority and currency

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Publisher
Financial Accounting Foundation
Standing
Primary authority
Version
Topic 321 as accessed 2026-08-08
Relevant parts
Topic 321; scope, subsequent measurement, measurement alternative, impairment, and presentation
Currency
current · checked Aug 8, 2026

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For an in-scope ordinary equity security, current US GAAP generally routes fair- value changes through earnings. A qualifying measurement-alternative election keeps cost, impairment, and observable same-issuer transaction adjustments visible; it does not permit an entity to ignore current evidence.