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📈 '''Investment gain or loss''' refers to the increase or decrease in value realized or unrealized on the [[Definition:Investment portfolio | investment assets]] held by an [[Definition:Insurance carrier | insurer]] or [[Definition:Reinsurance | reinsurer]], encompassing capital gains and losses from the sale of securities, mark-to-market movements on assets measured at [[Definition:Fair value measurement | fair value]], impairment charges, and changes in the value of real estate, private equity, and alternative investments. Because insurers are among the world's largest institutional investors — collecting [[Definition:Premium | premiums]] upfront and paying [[Definition:Claim | claims]] over extended periods — investment performance is a critical driver of overall profitability and [[Definition:Solvency | solvency]].

⚙️ How investment gains and losses flow through an insurer's financial statements depends heavily on the applicable accounting framework and the classification of the assets. Under [[Definition:IFRS 9 | IFRS 9]], fixed-income securities held in a "hold to collect and sell" business model are measured at fair value through [[Definition:Other comprehensive income (OCI) | other comprehensive income]] (FVOCI), meaning unrealized gains and losses accumulate in equity rather than the income statement — a treatment that reduces reported earnings volatility for many insurers. Under [[Definition:US GAAP | US GAAP]], available-for-sale debt securities follow a similar OCI treatment, while equity securities are now measured at fair value through net income following the adoption of ASU 2016-01, a change that has increased earnings volatility for U.S. insurers with significant equity holdings. Realized gains and losses — triggered when an insurer actually sells a security — typically pass through the income statement in all major frameworks. For [[Definition:Life insurance | life insurers]] with participating or unit-linked products, investment gains and losses may be shared with [[Definition:Policyholder | policyholders]] through crediting rates or bonus declarations, and [[Definition:IFRS 17 | IFRS 17]]'s [[Definition:Variable fee approach (VFA) | variable fee approach]] was specifically designed to reflect this sharing mechanism. Regulators in every major market monitor investment gains and losses closely: the [[Definition:National Association of Insurance Commissioners (NAIC) | NAIC]]'s risk-based capital formula in the U.S., Solvency II's market risk module in Europe, and [[Definition:C-ROSS | C-ROSS]] in China all calibrate capital charges based on the composition and volatility of an insurer's investment portfolio.

💡 Sustained investment losses can erode an insurer's surplus and trigger regulatory intervention, as the 2008 global financial crisis demonstrated when plummeting asset values forced several major insurers to raise emergency capital or seek government support. Conversely, strong investment gains can mask mediocre [[Definition:Underwriting | underwriting]] performance — a dynamic that analysts watch carefully when disaggregating an insurer's combined sources of earnings. The interplay between investment results and insurance liability measurement has become more prominent under IFRS 17, which introduces the option (and in some cases the requirement) to disaggregate insurance finance income or expenses between profit or loss and OCI, creating a tighter linkage between how assets and liabilities are presented. For [[Definition:Property and casualty insurance | property and casualty]] insurers with shorter-tail portfolios, investment income on [[Definition:Float | float]] — the premiums held before claims are paid — has historically been a significant contributor to total returns, making investment gain or loss a metric that no stakeholder can afford to overlook.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Investment portfolio]]
* [[Definition:Fair value measurement]]
* [[Definition:Other comprehensive income (OCI)]]
* [[Definition:IFRS 9]]
* [[Definition:Net investment income]]
* [[Definition:Asset-liability management (ALM)]]
{{Div col end}}

Definition:Investment gain or loss - Revision history

PlumBot: Bot: Creating new article from JSON