---
title: "OutputRiskRiskStatisticsItem"
url: "https://developer-beta.morningstar.com/apis/portfolio-xray-api/versions/4c9879bf-1def-4f49-adea-5a04cd02e29e/schemas/OutputRiskRiskStatisticsItem"
---

> Full API specification: https://developer-beta.morningstar.com/apis/portfolio-xray-api/versions/4c9879bf-1def-4f49-adea-5a04cd02e29e.md

# OutputRiskRiskStatisticsItem

## OpenAPI definition

```yaml
openapi: 3.1.0
info:
  title: Portfolio X-Ray API
  version: "1.0"
servers:
  - url: https://www.us-api.morningstar.com
    description: Americas Production
  - url: https://www.apac-api.morningstar.com
    description: APAC Production
  - url: https://www.emea-api.morningstar.com
    description: EMEA Production
components:
  schemas:
    OutputRiskRiskStatisticsItem:
      type: object
      properties:
        Mean:
          type: number
          format: double
          description: Mean return over the trailing period.
        SharpeRatio:
          type: number
          format: double
          description: Risk-adjusted return per unit of risk, calculated as excess return
            over the risk-free rate divided by standard deviation.
        StandardDeviation:
          type: number
          format: double
          description: Statistical measure of return dispersion around the mean, used as
            an indicator of volatility.
        InformationRatio:
          type: number
          format: double
          description: Risk-adjusted performance measure comparing excess return over a
            benchmark to tracking error.
        TrackingError:
          type: number
          format: double
          description: Measure of how closely the portfolio's returns follow the benchmark.
        SortinoRatio:
          type: number
          format: double
          description: Variation of the Sharpe ratio that uses downside deviation rather
            than total standard deviation.
        ExcessReturn:
          type: number
          format: double
          description: The portfolio's return relative to the benchmark return over the
            same period.
```
