# Exchange Open Interest Chart

##  

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

&#x20;

#### Query Parameters

| Name     | Type    | Description                               |
| -------- | ------- | ----------------------------------------- |
| interval | integer | <p>ALL: 0<br>1H: 2<br>4H: 1<br>12H: 4</p> |
| symbol   | string  | Symbol                                    |

{% tabs %}
{% tab title="200 Cake successfully retrieved." %}

```
{
    "dateList":[
        //Date Time
    ],
    "priceList":[
        //Symbol Price 
    ],
    "dataMap":{
        "Bitmex":[
            //Bitmex Open Interest
        ],
        "Binance":[
            //Binance Open Interest
        ]
    }
}
```

{% endtab %}
{% endtabs %}