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📋 '''MCR combined calculation''' is the regulatory procedure under [[Definition:Solvency II | Solvency II]] that determines the final [[Definition:Minimum capital requirement (MCR) | minimum capital requirement]] for an insurance or [[Definition:Reinsurance | reinsurance]] undertaking by combining the output of the [[Definition:MCR linear formula | MCR linear formula]] with a corridor mechanism tied to the [[Definition:Solvency capital requirement (SCR) | solvency capital requirement]]. Rather than relying on a single formula, the combined calculation applies a floor and a cap — set at 25 percent and 45 percent of the SCR, respectively — to the linear result, and then imposes an absolute minimum (the absolute floor of the MCR) that varies by line of business and company type. This layered approach ensures that the MCR remains economically meaningful without drifting too far from the more risk-sensitive SCR.

⚙️ The mechanics proceed in defined steps. First, the insurer calculates the MCR linear formula based on volumes of [[Definition:Technical provisions | technical provisions]] and [[Definition:Written premium | written premiums]] segmented by line of business. Second, the combined calculation clips the linear result to the 25–45 percent SCR corridor: if the linear MCR falls below 25 percent of the SCR, it is raised to that floor; if it exceeds 45 percent, it is capped. Third, the absolute floor — denominated in euros and specified in the Solvency II Directive depending on whether the entity is a [[Definition:Life insurance | life]], [[Definition:Non-life insurance | non-life]], or composite insurer — is applied as a final backstop. The highest of the corridor-adjusted linear MCR and the absolute floor becomes the binding MCR. This entire calculation is performed quarterly, in contrast to the SCR's annual cycle under the [[Definition:Standard formula | standard formula]].

🔑 Breaching the MCR triggers the most severe supervisory intervention available under Solvency II — the [[Definition:National competent authority (NCA) | national competent authority]] can withdraw the insurer's authorization to write new business if the breach is not remedied within a short timeframe. The combined calculation's corridor design reflects a deliberate policy choice: the MCR should be low enough that it is not the binding constraint in normal times (that role belongs to the SCR), yet high enough to serve as an absolute safety net below which policyholders face unacceptable risk. For [[Definition:Capital management | capital management]] teams, monitoring the MCR combined calculation alongside the SCR is essential, particularly during periods of stress when the SCR itself may be moving rapidly and the 25–45 percent corridor boundaries shift accordingly. Comparable absolute minimum capital concepts exist in other regimes — the [[Definition:National Association of Insurance Commissioners (NAIC) | NAIC's]] authorized control level in the United States and minimum fund requirements under Hong Kong's risk-based capital framework serve analogous, though not identical, purposes.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Minimum capital requirement (MCR)]]
* [[Definition:MCR linear formula]]
* [[Definition:Solvency capital requirement (SCR)]]
* [[Definition:Solvency II]]
* [[Definition:Own funds]]
* [[Definition:Regulatory ladder of intervention]]
{{Div col end}}

Definition:MCR combined calculation - Revision history

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