action portfoliooptimizer_post_portfolio_analysis_diversification_ratio {
  label: "Diversification Ratio"
  description: "Compute the diversification ratio of one or several portfolio(s).\n\nReferences\n* [Yves Choueifaty and Yves Coignard, Toward Maximum Diversification, The Journal of Portfolio Management Fall 2008, 35 (1) 40-51](https://doi.org/10.3905/JPM.2008.35.1.40)\n* [Tristan Froidure, Khalid Jalalzai and Yves Choueifaty, Portfolio Rho-Representativity, International Journal of Theoretical and Applied FinanceVol. 22, No. 07, 1950034 (2019)](https://www.worldscientific.com/doi/10.1142/S0219024919500341)\n"
  provider: portfoliooptimizer
  method: POST
  path: "/portfolio/analysis/diversification-ratio"
  encoding: json
  input: {
    type: "object"
  }
  output: {
    type: "object"
    required: ["portfolios"]
    properties: {
      portfolios: {
        type: "array"
        items: {
          type: "object"
          required: ["portfolioDiversificationRatio"]
          properties: {
            portfolioDiversificationRatio: {
              type: "number"
              description: "The diversification ratio of the portfolio"
            }
          }
        }
      }
    }
  }
}