---
title: "Changes to Beta"
method: POST
path: "/portfolios/analysis/beta"
---

# Changes to Beta

`POST /portfolios/analysis/beta`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 22 revisions.

- **2026-08-10** `d016f340e91c`: 1 info
- **2026-02-08** `ac51d393c9a9`: 1 warning, 5 info

## Changes

- **2026-08-10** `d016f340e91c`: 1 info
  - added the new optional request property `portfoliosBetaEstimationMethod`
- **2026-02-08** `ac51d393c9a9`: 1 warning, 5 info
  - removed the request property `riskFreeRate`
  - api tag `Portfolio Analysis / Risk Measures` added
  - api tag `Portfolio Analysis` removed
  - added the new optional request property `portfolios/items/portfolioValues`
  - added the new optional request property `riskFreeReturn`
  - the request property `portfolios/items/portfolioReturns` became optional

---

[Operation](https://skmtc.dev/portfoliooptimizer/apis/portfolio-optimizer/docs/portfolios/analysis/beta/post.md) - [API](https://skmtc.dev/portfoliooptimizer/apis/portfolio-optimizer.md) - [Page](https://skmtc.dev/portfoliooptimizer/apis/portfolio-optimizer/changes/portfolios/analysis/beta/post)