# Market Channel
### Description
Retrieve the latest traded price, bid price, ask price and 24-hour trading volume of the instruments. When there is
a change (deal, buy, sell, issue): 300ms to 400ms.
```json title="Request Example"
{
"op": "subscribe",
"args": [
{
"instType": "USDT-FUTURES",
"channel": "ticker",
"instId": "BTCUSDT"
}
]
}
```
### Request Parameters
| Parameter | Type | Required | Description |
|:--------------|:-------------------|:---------|:-----------------------------------------|
| op | String | Yes | Operation, subscribe unsubscribe |
| args | List<Object> | Yes | List of channels to request subscription |
| > instType | String | Yes | Product type |
| > channel | String | Yes | Channel name |
| > instId | String | Yes | Product ID
E.g. ETHUSDT |
```json title="Response Example"
{
"event": "subscribe",
"arg": {
"instType": "USDT-FUTURES",
"channel": "ticker",
"instId": "BTCUSDT"
}
}
```
### Response Parameters
| Parameter | Type | Description |
|:--------------|:-------|:----------------------------|
| event | String | Event |
| arg | Object | Subscribed channels |
| > instType | String | Product type |
| > channel | String | Channel name |
| > instId | String | Product ID
E.g. ETHUSDT |
| code | String | Error code |
| msg | String | Error message |
```json title="Push Data"
{
"data": [
{
"lastPr": "87673.6",
"symbol": "BTCUSDT",
"indexPrice": "87714.0732915359034044",
"open24h": "87027.0",
"nextFundingTime": "1766678400000",
"bidPr": "87673.6",
"change24h": "0.00743",
"quoteVolume": "1521198076.61216",
"deliveryPrice": "0",
"askSz": "14.333",
"low24h": "86542.5",
"symbolType": "1",
"openUtc": "87628.9",
"instId": "BTCUSDT",
"bidSz": "6.9129",
"markPrice": "87673.7",
"high24h": "88022.1",
"askPr": "87673.7",
"holdingAmount": "28135.5456",
"baseVolume": "17398.1612",
"fundingRate": "0.000055",
"ts": "1766674540816"
}
],
"arg": {
"instType": "USDT-FUTURES",
"instId": "BTCUSDT",
"channel": "ticker"
},
"action": "snapshot",
"ts": 1766674540817
}
```
### Push Parameters
| Parameter | Type | Description |
|:--------------------|:-------|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| arg | Object | Channels with successful subscription |
| > instType | String | Product type |
| > channel | String | Channel name |
| > instId | String | Product ID |
| action | String | Push data action, `snapshot` |
| data | List | Subscription data |
| > instId | String | Product ID, BTCUSDT |
| >lastPr | String | Latest price |
| >askPr | String | Ask price |
| >bidPr | String | Bid price |
| >high24h | String | 24h high |
| >low24h | String | 24h low |
| >change24h | String | 24h change |
| >fundingRate | String | Funding rate |
| >nextFundingTime | String | Next funding rate settlement time, Milliseconds format of timestamp Unix, e.g. 1597026383085 |
| >ts | String | System time, Milliseconds format of current data timestamp Unix, e.g. 1597026383085 |
| >markPrice | String | Mark price |
| >indexPrice | String | Index price |
| >holdingAmount | String | Open interest |
| >baseVolume | String | Trading volume of the coin |
| >quoteVolume | String | Trading volume of quote currency |
| >openUtc | String | Price at 00:00 (UTC) |
| >symbolType | String | SymbolType: 1->perpetual 2->delivery |
| >symbol | String | Trading pair |
| >deliveryPrice | String | Delivery price of the delivery futures, when symbolType = 1(perpetual) it is always 0
It will be pushed 1 hour before delivery
Returns empty if delivery price does not exist |
| >bidSz | String | Buying amount |
| >askSz | String | selling amount |
| >open24h | String | Entry price of the last 24 hours, The opening time is compared on a 24-hour basis. i.e.: Now it is 7:00 PM of the 2nd day of the month, then the corresponding opening time is 7:00 PM of the 1st day of the month. |
| ts | String | Data streaming time |