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🛡️ '''Solvency capital requirement''' (SCR) is the amount of capital that an [[Definition:Insurance carrier | insurance]] or [[Definition:Reinsurance | reinsurance]] undertaking must hold under a risk-based regulatory framework to ensure, with a high degree of confidence, that it can absorb significant unexpected losses over a defined time horizon. The concept is most precisely codified in the EU's [[Definition:Solvency II | Solvency II]] directive, where the SCR is calibrated to a 99.5% Value-at-Risk over a one-year period — meaning the insurer should be able to withstand a 1-in-200-year loss event without becoming insolvent. While Solvency II provides the most prominent articulation of the SCR, analogous risk-based capital requirements exist in virtually every major insurance regulatory regime worldwide, each calibrated according to local policy objectives and methodological preferences.

⚙️ Under Solvency II, the SCR can be calculated using either the regulatory [[Definition:Standard formula | standard formula]] — a prescribed set of risk modules covering [[Definition:Underwriting risk | underwriting risk]], [[Definition:Market risk | market risk]], [[Definition:Credit risk | credit risk]], and [[Definition:Operational risk | operational risk]] — or a full or partial [[Definition:Internal model | internal model]] that the undertaking develops and the supervisory authority approves. The standard formula applies predetermined stress factors and correlation assumptions, making it accessible to smaller insurers, but it may not accurately reflect the specific risk profile of larger or more complex entities, motivating them to invest in internal model development. Risk mitigation techniques, including [[Definition:Reinsurance | reinsurance]], [[Definition:Hedging | hedging]], and [[Definition:Securitization | securitization]], reduce the SCR by lowering net exposures, provided they meet regulatory criteria for risk transfer effectiveness. Outside the EU, the US [[Definition:Risk-based capital (RBC) | RBC]] framework achieves a comparable objective through a factor-based calculation applied to statutory financial statement items, while China's [[Definition:C-ROSS | C-ROSS]] combines quantitative capital charges with qualitative and supervisory assessment pillars. Japan's solvency margin ratio and the [[Definition:International Association of Insurance Supervisors (IAIS) | IAIS]] Insurance Capital Standard each represent further variations on the same underlying principle.

📊 Breaching the SCR triggers a defined supervisory escalation: the insurer must submit a realistic recovery plan to its regulator and restore capital adequacy within a prescribed timeline — typically six months under Solvency II, with possible extensions in cases of exceptional market-wide stress. A separate, lower threshold — the [[Definition:Minimum capital requirement (MCR) | Minimum Capital Requirement (MCR)]] — represents the absolute floor below which the insurer's authorization may be withdrawn. The ratio of [[Definition:Own funds | own funds]] to the SCR (the SCR coverage ratio) has become one of the most closely watched metrics in the industry: [[Definition:Rating agency | rating agencies]], investors, and counterparties use it to assess financial strength, while management teams target internal capital buffers well above the regulatory minimum to absorb volatility and preserve strategic flexibility. The SCR framework also drives behavior at the product and portfolio level — lines of business that consume disproportionate capital relative to their returns face scrutiny, incentivizing insurers to optimize their risk-return profiles and, in some cases, exit capital-intensive segments in favor of more efficient uses of their solvency resources.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Solvency II]]
* [[Definition:Minimum capital requirement (MCR)]]
* [[Definition:Own funds]]
* [[Definition:Standard formula]]
* [[Definition:Internal model]]
* [[Definition:Risk-based capital (RBC)]]
{{Div col end}}

Definition:Solvency capital requirement - Revision history

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