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📊 '''Analysis of change''' is an actuarial and financial reporting technique used in the insurance industry to decompose the movement in a key metric — such as [[Definition:Technical provisions | technical provisions]], [[Definition:Own funds | own funds]], or [[Definition:Solvency capital requirement (SCR) | solvency capital requirement]] — from one reporting period to the next into its underlying drivers. Rather than simply comparing two static figures, the analysis identifies and quantifies each contributing factor, such as new business written, claims experience deviating from expectations, changes in [[Definition:Discount rate | discount rates]], assumption updates, and foreign exchange movements. The technique is deeply embedded in regulatory and management reporting across major insurance markets, featuring prominently under [[Definition:Solvency II | Solvency II]] in Europe, [[Definition:IFRS 17 | IFRS 17]] globally, and analogous supervisory frameworks in Asia and North America.

⚙️ Constructing an analysis of change typically begins with the opening balance of the metric in question and then layers in each source of movement sequentially to arrive at the closing balance. For a [[Definition:Best estimate liability | best estimate liability]], for instance, the waterfall might include the unwinding of the [[Definition:Discount rate | discount rate]], the release of [[Definition:Risk margin | risk margin]] or [[Definition:Risk adjustment | risk adjustment]], the impact of actual claims versus expected claims (often called [[Definition:Experience variance | experience variance]]), changes in future assumptions, the effect of new business, and currency translation differences. Insurers and [[Definition:Reinsurer | reinsurers]] maintain detailed attribution models — often built by [[Definition:Actuarial function | actuarial functions]] in coordination with finance teams — that ensure the sum of all identified components reconciles exactly to the observed total change. Regulatory bodies such as [[Definition:European Insurance and Occupational Pensions Authority (EIOPA) | EIOPA]] prescribe specific quantitative reporting templates (QRTs) that demand this type of decomposition, while the [[Definition:International Accounting Standards Board (IASB) | IASB]]'s IFRS 17 standard requires insurers to present reconciliation schedules that serve a similar purpose in published financial statements.

💡 Without a rigorous analysis of change, boards and regulators would be left interpreting headline figures that can mask offsetting movements of significant magnitude. A [[Definition:Loss ratio | loss ratio]] that looks stable from one year to the next might conceal deteriorating attritional experience offset by favorable [[Definition:Reserve | reserve]] releases — a pattern that only becomes visible when the components are laid bare. For senior management, the analysis supports pricing discipline by revealing whether actual experience aligns with the assumptions embedded in [[Definition:Premium | premiums]]. For regulators, it provides early warning when capital positions are eroding beneath the surface. In the context of mergers, acquisitions, or [[Definition:Capital raising | capital raising]], prospective investors and [[Definition:Rating agency | rating agencies]] rely on these decompositions to assess earnings quality and the sustainability of reported results.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Technical provisions]]
* [[Definition:Best estimate liability]]
* [[Definition:Experience variance]]
* [[Definition:Solvency capital requirement (SCR)]]
* [[Definition:IFRS 17]]
* [[Definition:Risk margin]]
{{Div col end}}

Definition:Analysis of change - Revision history

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