SUBSCRIBE Book Ticker

UPDATE TIME

Real Time

Request

Field	Type	Required	Description
data	array of strings	Yes	Channel name in the format book-ticker:ASSET:INSTRUMENT_TYPE or book-ticker:INSTRUMENT_NAME. Example: book-ticker:ETH:OPTION or book-ticker:ETH-31MAR23-1350-C.
op	string	Yes	Operation code allowed values: subscribe unsubscribe

• ASSET allowed values: ETH & BTC

• INSTRUMENT_TYPE allowed values : OPTION PERPETUAL

Example

{
	"op":"subscribe", 
	"data": ["book-ticker:ETH-31MAR23-1350-C"]
}

{
	"op":"subscribe", 
	"data": ["book-ticker:ETH:OPTION"]
}

Response

Field	Type	Required	Description
data.timestamp	string	Yes	Update timestamp in UNIX timestamp in nanoseconds. Example: 1680249600000000000
data.tickers	array of objects	Yes	Ticker information.
data.tickers[].instrument_id	string	Yes	Instrument ID number. Example: 12
data.tickers[].instrument_name	string	Yes	Instrument name. Example: ETH-24DEC22-1250-C
data.tickers[].instrument_type	string	Yes	Type of instrument. Allowed values: OPTION PERPETUAL
data.tickers[].bid	object	Yes	Top bid details in ticker object format.
data.tickers[].ask	object	Yes	Top ask details in ticker object format.
channel	string	Yes	Channel name in the format ticker:ASSET:INSTRUMENT_TYPE or ticker:INSTRUMENT_NAME. Example: ticker:ETH:OPTION or ticker:ETH-31MAR23-1350-C.