---
title: "Effective Rank"
method: POST
path: "/assets/indicators/effective-rank"
tags: ["Assets / Indicators"]
---

# Effective Rank

`POST /assets/indicators/effective-rank`

Compute the effective rank associated to a universe of assets.

References
* [Olivier Roy and Martin Vetterli, The effective rank: A measure of effective dimensionality, 15th European Signal Processing Conference, 2007](https://ieeexplore.ieee.org/document/7098875)

## Request body

- object
  - `assets` integer, required — The number of assets
  - `assetsCovarianceMatrix` array[], required — assetsCovarianceMatrix[i][j] is the covariance between the asset i and the asset j
    - number[]

## Response `200`

OK

- object
  - `assetsEffectiveRank` number, required — The effective rank of the universe of assets

---

[API](https://skmtc.net/portfoliooptimizer/apis/portfolio-optimizer.md) · [All operations](https://skmtc.net/portfoliooptimizer/apis/portfolio-optimizer/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/portfoliooptimizer/portfolio-optimizer/versions/479fd4ac44aa/schema)