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 preOpenPrice and preQty is meaningless when entering continuous trading phase
  • USDC Futures and Inverse Futures do not have preOpenPrice, preQty, and curPreListingPhase fields

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