---
title: "Changes to Exponentially Weighted Moving Average Model (EWMA)"
method: POST
path: "/assets/volatility/forecast/ewma"
---

# Changes to Exponentially Weighted Moving Average Model (EWMA)

`POST /assets/volatility/forecast/ewma`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 22 revisions.

- **2026-04-03** `24e65d80f8eb`: 3 info

## Changes

- **2026-04-03** `24e65d80f8eb`: 3 info
  - added the new optional request property `assets/items/assetVarianceProxies`
  - the request property `assets/items/assetPrices` became optional
  - added the new `precomputed` enum value to the request property `assets/items/varianceProxy`

---

[Operation](https://skmtc.dev/portfoliooptimizer/apis/portfolio-optimizer/docs/assets/volatility/forecast/ewma/post.md) - [API](https://skmtc.dev/portfoliooptimizer/apis/portfolio-optimizer.md) - [Page](https://skmtc.dev/portfoliooptimizer/apis/portfolio-optimizer/changes/assets/volatility/forecast/ewma/post)