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

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

# OutputSecurityInterestRateRiskItem

## 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:
    OutputSecurityInterestRateRiskItem:
      type: object
      properties:
        Maturity:
          type: number
          format: double
          description: Weighted average maturity of the security.
        EffectiveDuration:
          type: number
          format: double
          description: Holding-weighted average price sensitivity to interest rate
            changes, including the impact of option features. Expressed in
            years.
        WTDCoupon:
          type: number
          format: double
        AverageCreditQuality:
          type: number
          format: double
          description: Morningstar proprietary measure of credit risk, derived from
            historical default rates associated with each credit rating level.
```