# Ticker Information

{% hint style="info" %}
When subscribing, the `pair should` be set in **alphanumeric format only**. Do not use separators between the base and quote asset. The correct format for NIZA/USDT to be set in a channel name is `NIZAUSDT`.
{% endhint %}

### Subscribe with Pusher

```javascript
var channel = pusher.subscribe("ticker-information.{pair}");
```

### Subscribe Request Payload

```json
{
   "event": "pusher:subscribe",
   "data": {
       "channel": "ticker-information.{pair}"
   }
}
```

### Examples

<details>

<summary>Pusher</summary>

```javascript
var channel = pusher.subscribe("ticker-information.NIZAUSDT");
```

</details>

<details>

<summary>WebSocket API in Javascript</summary>

```javascript
const message = {
        event: "pusher:subscribe",
        data: {
            channel: "ticker-information.NIZAUSDT"
        }
    };
socket.send(JSON.stringify(message));
```

</details>

### Payload

| Name             | Type    | Description                           |
| ---------------- | ------- | ------------------------------------- |
| channel          | string  | Channel name of subscription          |
| type             | string  | Type of event notification            |
| data             | array   | The payload of the ticker information |
| data.ask         | decimal | Best ask price                        |
| data.ask\_qty    | decimal | Best ask quantity                     |
| data.bid         | decimal | Best bid price                        |
| data.bid\_qty    | decimal | Best bid quantity                     |
| data.change      | decimal | 24-hour price change (quote currency) |
| data.change\_ptc | decimal | 24-hour price change in percentage    |
| data.high        | decimal | 24-hour highest trade price           |
| data.last        | decimal | Last trade price                      |
| data.low         | decimal | 24-hour lowest trade price            |
| data.symbol      | string  | The symbol of the currency pair       |
| data.volume      | decimal | 24-hour trade volume in base currency |
| data.vwap        | decimal | 24-hour volume weighted average price |

### **Example of the ticker event payload received as JSON**

```json
{
   "channel": "ticker",
   "type": "update",
   "data": [
       {
           "ask": "0.01000000",
           "ask_qty": "2.00000000",
           "bid": "0.01000000",
           "bid_qty": "428.00000000",
           "change": "0.00000000",
           "change_pct": "0.00000000",
           "high": "0.00000000",
           "last": "0.00000000",
           "low": "0.00000000",
           "symbol": "NIZA\/USDT",
           "volume": "0.00000000",
           "vwap": "0.00000000"
       }
   ]
}
```