action portfoliooptimizer_post_portfolio_analysis_beta {
  label: "Beta"
  description: "Compute the beta of one or several portfolio(s) in the Capital Asset Pricing Model (CAPM).\n\nReferences\n* Carl R. Bacon, Practical Portfolio Performance Measurement and Attribution  \n"
  provider: portfoliooptimizer
  method: POST
  path: "/portfolio/analysis/beta"
  encoding: json
  input: {
    type: "object"
  }
  output: {
    type: "object"
    required: ["portfolios"]
    properties: {
      portfolios: {
        type: "array"
        items: {
          type: "object"
          required: ["portfolioBeta"]
          properties: {
            portfolioBeta: {
              type: "number"
              description: "The portfolio beta, which correponds to the portfolio systematic risk in the Capital Asset Pricing Model (CAPM)"
            }
          }
        }
      }
    }
  }
}