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🖥️ '''Risk Management Solutions (RMS)''' is a leading [[Definition:Catastrophe modeling | catastrophe modeling]] and risk analytics firm whose models, platforms, and data underpin much of the [[Definition:Insurance | insurance]] and [[Definition:Reinsurance | reinsurance]] industry's understanding of natural and man-made [[Definition:Peril | peril]] exposures. Now operating as Moody's RMS following its acquisition by Moody's Corporation in 2021, the company provides probabilistic models covering [[Definition:Hurricane | hurricanes]], [[Definition:Earthquake | earthquakes]], [[Definition:Flood | floods]], [[Definition:Wildfire | wildfires]], [[Definition:Cyber risk | cyber risk]], [[Definition:Terrorism risk | terrorism]], and [[Definition:Pandemic risk | pandemic]] scenarios, among others. Its tools are used by [[Definition:Insurance carrier | carriers]], [[Definition:Reinsurer | reinsurers]], [[Definition:Insurance broker | brokers]], and [[Definition:Insurance-linked securities (ILS) | ILS]] fund managers to quantify potential losses, allocate [[Definition:Capital | capital]], and make informed [[Definition:Underwriting | underwriting]] and [[Definition:Portfolio management | portfolio management]] decisions.

⚙️ At the core of the company's offering are its simulation-based models, which generate thousands of stochastic event scenarios to produce [[Definition:Exceedance probability curve | exceedance probability curves]], [[Definition:Average annual loss (AAL) | average annual loss]] estimates, and [[Definition:Probable maximum loss (PML) | tail-risk metrics]] at the policy, portfolio, and enterprise level. These outputs feed directly into pricing, [[Definition:Reinsurance | reinsurance]] purchasing, and regulatory capital calculations under frameworks like [[Definition:Solvency II | Solvency II]] and [[Definition:Risk-based capital (RBC) | risk-based capital]] standards. RMS's cloud-native Intelligent Risk Platform represents a shift toward open, API-driven architecture that allows clients and third-party developers to integrate their own data and models alongside RMS's proprietary analytics, reflecting the broader [[Definition:Insurtech | insurtech]] trend toward interoperable ecosystems rather than closed, monolithic software.

🌍 The influence of RMS on insurance market dynamics is hard to overstate. When the firm updates a major model — recalibrating its North Atlantic [[Definition:Hurricane model | hurricane model]], for instance — the downstream effects ripple through [[Definition:Reinsurance pricing | reinsurance pricing]], [[Definition:Insurance-linked securities (ILS) | catastrophe bond]] spreads, and [[Definition:Primary insurance | primary]] rate levels across affected geographies. This market-moving power has prompted ongoing debate about model dependency and the concentration of analytical influence among a small number of vendors, including RMS, [[Definition:AIR Worldwide | AIR Worldwide]], and [[Definition:CoreLogic | CoreLogic]]. Regulators and [[Definition:Rating agency | rating agencies]] increasingly expect insurers to demonstrate that they understand the assumptions embedded in third-party models rather than treating them as black boxes — a development that has elevated internal model validation and multi-model comparison to essential components of modern [[Definition:Enterprise risk management (ERM) | enterprise risk management]].

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Catastrophe modeling]]
* [[Definition:AIR Worldwide]]
* [[Definition:Probable maximum loss (PML)]]
* [[Definition:Exceedance probability curve]]
* [[Definition:Insurance-linked securities (ILS)]]
* [[Definition:Return period]]
{{Div col end}}

Definition:Risk Management Solutions (RMS) - Revision history

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