> For the complete documentation index, see [llms.txt](https://bybt.gitbook.io/bybt/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bybt.gitbook.io/bybt/options/options-open-interest.md).

# Options Open Interest

## Options Open Interest

<mark style="color:blue;">`GET`</mark> `https://open-api.bybt.com/api/pro/v1/option/openInterest`

#### Query Parameters

| Name   | Type   | Description |
| ------ | ------ | ----------- |
| symbol | string | BTC , ETH   |

#### Headers

| Name           | Type   | Description                                                    |
| -------------- | ------ | -------------------------------------------------------------- |
| Authentication | string | Authentication token to track down who is emptying our stocks. |

{% tabs %}
{% tab title="200 " %}

```
```

{% endtab %}
{% endtabs %}