> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://staging.chrisp.chat/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Set the reference price for products 👀

You can now select the type of reference price you prefer to analyse price variations by product.

1️⃣ Choose a product and click on the Edit Reference Price button.

[![](https://storage.crisp.chat/users/helpdesk/website/-/8/d/3/7/8d376c3dcb76c000/b13f2160-359e-483d-9918-d078ee_14d9itk.png)](https://storage.crisp.chat/users/helpdesk/website/-/f/c/2/5/fc255a69e4c77000/a04d6392-6ea7-4ecc-be16-f23175_1d9f36n.png)

2️⃣ Decide the reference price type from which you want to post the price change.

1. ****Custom amount****. Define yourself the reference price at which you buy that product.
2. ****Price of the last purchase****. haddock aligns the reference price with the price of the last purchase, i.e. the last invoice for that product.
3. ****Pondered Average price****. haddock averages the price achieved within the period you select.

[![](https://storage.crisp.chat/users/helpdesk/website/-/6/6/5/7/66576417cfacfc00/33d44b30-23ba-44ff-b547-25c7c8_hm2ovt.png)](https://storage.crisp.chat/users/helpdesk/website/-/f/e/4/8/fe48fa8694cef800/2539f53a-8db6-4294-b308-a42750_poa75r.png)

3️⃣ You will see the price variation per product based on the reference price you have set.