# Custom Formula

Create, store, and monitor your own **custom-created formulas** or indices or benchmark by **applying a mathematical expression** to an underlying set of any global instruments in the KlickAnalytics universe.

<figure><img src="https://3315571876-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fa9DKqYOZWk2CHHmS2pYQ%2Fuploads%2FBI5dLgD8VMFjo9RHOLvE%2Fimage.png?alt=media&#x26;token=aa3ec02e-e238-426f-a848-7adb8e51a7fb" alt=""><figcaption></figcaption></figure>

**Filters**

You can select the date range of your choise to run your custom formula.\
\
**Formula**

* You can create an index with a mathematical expression.
* You can use +, -, \*, /  operators to construct your expression

**Historical Chart**

* View the historical chart on index.
* The chart is highly interactive. ie. You can zoom in/out.
* When hover on line chart, it will display corresponding price information.

**Sharing**&#x20;

You can share the custom index to all KlickAnalytics users too

The possibilities are endless, now our users can mix and match any global symbols to create their own expressions.

<figure><img src="https://3315571876-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fa9DKqYOZWk2CHHmS2pYQ%2Fuploads%2F5iff2BHfMycQjsdpgqt6%2Fimage.png?alt=media&#x26;token=a033a168-2a07-42b0-b39b-c3e6f724a0ec" alt=""><figcaption></figcaption></figure>

**To access:** Click on the top menu item called Tools > [Formulas](https://www.klickanalytics.com/custom_formulas)