---
title: "Ito Product"
method: POST
path: "/quantlib/stochastic/theory/ito-product-rule"
tags: ["quantlib-stochastic"]
---

# Ito Product

`POST /quantlib/stochastic/theory/ito-product-rule`

## Request

- Base URL: `https://api.fincept.in` (the document declares no server; this is the origin it was published from)
- URL: `https://api.fincept.in/quantlib/stochastic/theory/ito-product-rule`
- Auth: API key in header `X-API-Key`

Ito product rule d(XY) - returns drift and diffusion of product process

## Request body

- CovariationRequest
  - `path_X` number[], required
  - `path_Y` number[], required
  - `times` number[], required

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

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