# Setup and Use

The modeling tool is intuitive by design, and allows users to save, modify and track trades througout the life of the trade. [Here is a video of the basic functions](https://youtu.be/OHAX2HuH-ig). 

To start, navigate to "model" at the top of the site and select either "Model" (for saved models) or "Create New Model"

<figure><img src="/files/LSH54rydn4QNXVeQ4POl" alt=""><figcaption></figcaption></figure>

It's easy to create a new model. Let's do a call debit spread (long call and short call). Simply left click the "Mid(Buy)" to add the long call leg.

<figure><img src="/files/7gF4eXmMVsNYpRfy2tQx" alt=""><figcaption></figcaption></figure>

Then, left click the "Mid(Sell)" to add the short call leg.

<figure><img src="/files/4hsU7sG8zw2tvM98Cqw7" alt=""><figcaption></figcaption></figure>

You will see the legs added to the chain, and also at the right. To view it visually, click either the "View Chart" at the right, or "Chart" at the top.&#x20;

<figure><img src="/files/8L5QFdoscAdIq41GX0Rb" alt=""><figcaption></figcaption></figure>

Greeks can be added at the top right. Let's add delta and charm.

<figure><img src="/files/WDPXgozaYuMxFXWHIdXV" alt=""><figcaption></figcaption></figure>

Users can click "3d" to model in 3d.&#x20;

<figure><img src="/files/LqV1lNbwSq3p9xM2YvOL" alt=""><figcaption></figcaption></figure>

Greeks are also displayed along the bottom of the screen.

If the users selects 2d, they have have options to adjust the time, range and IV of the model.&#x20;

<figure><img src="/files/TDzDoqgB2Gm5pkOZUMtt" alt=""><figcaption></figcaption></figure>

To save the model, simply click "Save"

<figure><img src="/files/P08Gg7jzghhNHAtZYm41" alt=""><figcaption></figcaption></figure>

Users can change the pricing, give the model a name, give the model a description, and also chose to enable sharing to share the model with a friend.

<figure><img src="/files/lUpUFyNzrH9jdhjFqHYv" alt=""><figcaption></figcaption></figure>

Saved models will show up under the "Model" page now.&#x20;

<figure><img src="/files/HVOPkdzSuoHnthXIhFbY" alt=""><figcaption></figcaption></figure>

That's the basics! We'll continue to add more to the documentation for modeling.&#x20;


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