---
title: "Sign Momentum"
method: POST
path: "/assets/indicators/momentum/sign"
tags: ["Assets / Indicators"]
---

# Sign Momentum

`POST /assets/indicators/momentum/sign`

Compute the sign momentum of an asset.

References
* [Chen, Tsung-Yu, Chou, Pin-Huang Ko, Kuan-Cheng, Rhee, S. Ghon, Rank, Sign, and Momentum, 14th Conference on Asia-Pacific Financial Markets](https://apjfs.org/file/download/6571?view=1)
* [Fotis Papailias, Jiadong Liu, Dimitrios D. Thomakos, Return signal momentum, Journal of Banking & Finance, Volume 124, 2021, 106063](https://www.sciencedirect.com/science/article/abs/pii/S0378426621000212)

## Request body

- union
  - object
    - `assets` object[], required
      - `assetReturns` number[], required — assetReturns[t] is the logarithmic return of the asset at the time t
      - `assetSignMomentumForecastHorizon` integer, required — The forecast horizon of the sign momentum indicator
      - `assetSignMomentumFormationPeriod` integer, required — The look back period over which to compute the asset sign momentum indicator
      - `assetSignMomentumSkipPeriod` integer — The number of the most recent periods excluded from the asset sign momentum computation; must be < assetSignMomentumFormationPeriod
  - object
    - `assets` object[], required
      - `assetPrices` object[], required — assetPrices[t] contains price information for the asset at the date t
        - `date` string, required — The date corresponding to the date t in format YYYY-MM-DD; all dates must be distinct
        - `close` number, required — The close price of the asset at the date t
      - `assetSignMomentumForecastHorizon` integer, required — The forecast horizon of the sign momentum
      - `assetSignMomentumFormationPeriod` integer, required — The look back period over which to compute the asset sign momentum
      - `assetSignMomentumSkipPeriod` integer — The number of the most recent periods excluded from the asset sign momentum computation; must be < assetSignMomentumFormationPeriod

## Response `200`

OK

- object
  - `assets` object[], required
    - `assetSignMomentum` number, required — The sign momentum of the asset

---

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