---
title: "Changes to Heterogeneous Exponential Model (HExp)"
method: POST
path: "/assets/volatility/forecast/hexp"
---

# Changes to Heterogeneous Exponential Model (HExp)

`POST /assets/volatility/forecast/hexp`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 22 revisions.

- **2026-04-03** `24e65d80f8eb`: 1 breaking, 1 info

## Changes

- **2026-04-03** `24e65d80f8eb`: 1 breaking, 1 info
  - removed `subschema #1, subschema #2` from the request body `oneOf` list
  - added `subschema #1, subschema #2` to the request body `oneOf` list

---

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