# Market Channel
### Description
Get the product's latest price, bid price, bid price and 24h trading volume information. Frequency of data push: 200ms ~ 300ms
```json title="Request Example"
{
"op": "subscribe",
"args": [
{
"instType": "SPOT",
"channel": "ticker",
"instId": "ETHUSDT"
}
]
}
```
### Request Parameters
| Parameter | Type | Required | Description |
|:--------------|:-------|:-------------------|:-------------------------------------------------|
| op | String | Yes | Operation, subscribe unsubscribe |
| args | Array | List<Object> | Yes
List of channels to request subscription |
| > instType | String | Yes | Product line type |
| > channel | String | Yes | Channel name |
| > instId | String | Yes | Product ID, e.g. ETHUSDT |
```json title="Response Example"
{
"event": "subscribe",
"arg": {
"instType": "SPOT",
"channel": "ticker",
"instId": "ETHUSDT"
}
}
```
### Response Parameters
| Parameter | Type | Description |
|:--------------|:-------|:------------------------------------------|
| event | String | Yes
Event |
| arg | Object | Subscribed channels |
| > instType | String | Product type |
| > channel | String | Channel name |
| > instId | String | Product ID, e.g. ETHUSDT |
| code | String | Error code, returned only on error |
| msg | String | Error message |
```json title="Push Data"
{
"action": "snapshot",
"arg": {
"instType": "SPOT",
"channel": "ticker",
"instId": "ETHUSDT"
},
"data": [
{
"instId": "ETHUSDT",
"lastPr": "2200.10",
"open24h": "0.00",
"high24h": "0.00",
"low24h": "0.00",
"change24h": "0.00",
"bidPr": "1792",
"askPr": "2200.1",
"bidSz": "0.0084",
"askSz": "19740.8811",
"baseVolume": "0.0000",
"quoteVolume": "0.0000",
"openUtc": "0.00",
"changeUtc24h": "0",
"ts": "1695702438018"
}
],
"ts": 1695702438029
}
```
### Push Parameters
| Parameter | Type | Description |
|:------------------|:-------------------|:-------------------------------------------------------------------------------|
| arg | Object | Channels with successful subscription |
| > instType | String | Product type |
| > channel | String | Channel name |
| > instId | String | Product ID, e.g. ETHUSDT |
| action | String | Push data action: `snapshot` |
| data | List<Object> | Subscription data |
| > instId | String | Product ID, e.g. ETHUSDT |
| > lastPr | String | Latest price |
| > askPr | String | Ask price |
| > bidPr | String | Bid price |
| > open24h | String | Entry price of the last 24 hours |
| > high24h | String | 24h high |
| > low24h | String | 24h low |
| > baseVolume | String | 24h trading volume in left coin |
| > quoteVolume | String | 24h trading volume in right coin |
| > ts | String | Milliseconds format of data generation time Unix timestamp, e.g. 1597026383085 |
| > openUtc | String | UTC±00:00 Entry price |
| > changeUtc24h | String | Change at UTC+0, 0.01 means 1%. |
| > bidSz | String | Buying amount |
| > askSz | String | Selling amount |
| > change24h | String | 24-hour change, 0.01 means 1%. |