action portfoliooptimizer_post_assets_returns {
  label: "Arithmetic Returns"
  description: "Compute the arithmetic return(s) of one or several asset(s) for one or several time period(s).\n\nReferences\n* [Wikipedia, Rate of Return](https://en.wikipedia.org/wiki/Rate_of_return#Return)\n"
  provider: portfoliooptimizer
  method: POST
  path: "/assets/returns"
  encoding: json
  input: {
    type: "object"
    required: ["assets"]
    properties: {
      assets: {
        type: "array"
        items: {
          type: "object"
          required: ["assetPrices"]
          properties: {
            assetPrices: {
              type: "array"
              description: "assetPrices[t] is the price of the asset at the time t"
              items: {
                type: "number"
              }
            }
          }
        }
      }
    }
  }
  output: {
    type: "object"
    required: ["assets"]
    properties: {
      assets: {
        type: "array"
        items: {
          type: "object"
          required: ["assetReturns"]
          properties: {
            assetReturns: {
              type: "array"
              description: "assetReturns[t] is the arithmetic return of the asset from the time t-1 to the time t, in percentage"
              items: {
                type: "number"
              }
            }
          }
        }
      }
    }
  }
}