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🏦 '''Insurance Capital Standard''' (ICS) is a risk-based, globally comparable [[Definition:Capital requirement|capital adequacy]] measure developed by the [[Definition:International Association of Insurance Supervisors|International Association of Insurance Supervisors]] (IAIS) for [[Definition:Internationally active insurance group|internationally active insurance groups]] (IAIGs). It represents the quantitative pillar of [[Definition:Common Framework|ComFrame]] and aims to establish, for the first time, a common language for measuring whether the world's largest cross-border insurers hold sufficient capital to absorb losses and protect [[Definition:Policyholder|policyholders]]. The ICS was adopted by the IAIS in 2019 and entered a monitoring period during which supervisors collect confidential ICS results from volunteer groups to assess the standard's performance before it becomes a prescribed capital requirement.

⚙️ The ICS uses a market-adjusted valuation approach to measure an insurer's qualifying [[Definition:Capital resource|capital resources]] and compares them against a standardized [[Definition:Capital charge|capital requirement]] calibrated to a 99.5% value-at-risk over a one-year time horizon — a confidence level consistent with the [[Definition:Solvency II|Solvency II]] standard capital requirement in Europe. The standard prescribes a reference methodology — the market-adjusted valuation approach (MAV) — while also accommodating, during the monitoring period, an alternative aggregation method (referred to as the GAAP Plus approach) to address concerns from jurisdictions, notably the United States, where existing [[Definition:Accounting standard|accounting frameworks]] and supervisory practices differ materially from an IFRS-based market valuation. Key risk charges cover insurance risk (life, non-life, and health), [[Definition:Market risk|market risk]], [[Definition:Credit risk|credit risk]], and [[Definition:Operational risk|operational risk]], with the framework's design drawing on — but not simply replicating — elements from both Solvency II and the U.S. [[Definition:Risk-based capital|risk-based capital]] system.

🌐 The significance of the ICS lies in its potential to reshape how global insurance groups manage capital and how supervisors cooperate across borders. Today, a group operating in the United States, Europe, Japan, and China may face four different [[Definition:Capital adequacy|capital regimes]] — the NAIC's RBC framework, Solvency II, Japan's solvency margin ratio system, and [[Definition:C-ROSS|C-ROSS]] — each with different methodologies and calibrations, making meaningful comparison difficult. A functioning ICS would give [[Definition:Supervisory college|supervisory colleges]] a common reference point and could reduce opportunities for [[Definition:Regulatory arbitrage|regulatory arbitrage]]. However, the path to full implementation remains politically complex: the United States has signaled that it may adopt an outcome-equivalent approach rather than implementing the ICS directly, and the question of whether — and how — the ICS interacts with existing domestic regimes remains one of the most consequential open issues in international insurance [[Definition:Insurance regulation|regulation]].

'''Related concepts:'''
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* [[Definition:Common Framework]]
* [[Definition:International Association of Insurance Supervisors]]
* [[Definition:Solvency II]]
* [[Definition:Risk-based capital]]
* [[Definition:Capital adequacy]]
* [[Definition:Internationally active insurance group]]
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Definition:Insurance Capital Standard - Revision history

PlumBot: Bot: Creating definition