ticker.linear.{symbol}
Description
This channel can receive two kinds of data: snapshot and delta.
Request Method and URL
wss path:
/ws/public/linear
method:
subscribe
Request Example
{
"params": {
"channels": [
"tickers.SOLUSDT-26DEC25"
]
},
"rid": 6,
"method": "subscribe"
}
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
| symbol | string | true | Instrument name |
Response
Delta Message
| Name | Type | Description |
|---|---|---|
| method | string | Always equal to subscription |
| ts | long | Message timestamp |
| type | string | delta |
| channel | string | e.g. tickers.SOLUSDT-26DEC25 |
| result | object | Response data |
| > symbol | string | Unique instrument identifier |
| > markPrice | string | Mark price |
| > openInterestValue | string | Open interest value |
Snapshot Message
| Name | Type | Description |
|---|---|---|
| method | string | Always equal to notification |
| ts | long | Message timestamp |
| type | string | snapshot |
| channel | string | e.g. tickers.SOLUSDT-26DEC25 |
| result | object | Response data |
| > symbol | string | Unique instrument identifier |
| > tickDirection | string | Tick direction |
| > price24hPcnt | string | Percentage change of market price in the last 24 hours |
| > lastPrice | string | Last price |
| > prevPrice24h | string | Market price 24 hours ago |
| > highPrice24h | string | The highest price in the last 24 hours |
| > lowPrice24h | string | The lowest price in the last 24 hours |
| > prevPrice1h | string | Market price an hour ago |
| > markPrice | string | Mark price |
| > indexPrice | string | Index price |
| > openInterest | string | Open interest size |
| > openInterestValue | string | Open interest value |
| > turnover24h | string | Turnover for 24h |
| > volume24h | string | Volume for 24h |
| > nextFundingTime | string | Next funding timestamp (ms) |
| > fundingRate | string | Funding rate |
| > bid1Price | string | Best bid price |
| > bid1Size | string | Best bid size |
| > ask1Price | string | Best ask price |
| > ask1Size | string | Best ask size |
| > deliveryTime | datetime | Delivery date time (UTC+0), applicable to expired futures only |
| > basisRate | string | Basis rate. Unique field for inverse futures & USDT/USDC futures |
| > deliveryFeeRate | string | Delivery fee rate. Unique field for inverse futures & USDT/USDC futures |
| > predictedDeliveryPrice | string | Predicated delivery price. Unique field for inverse futures & USDT/USDC futures |
| > preOpenPrice | string | Estimated pre-market contract open price |
| > preQty | string | Estimated pre-market contract open qty |
| > curPreListingPhase | string | The current pre-market contract phase |
Notes:
- The value of
preOpenPriceandpreQtyis meaningless when entering continuous trading phase- USDC Futures and Inverse Futures do not have
preOpenPrice,preQty, andcurPreListingPhasefields