I used:wss://stream.binance.com:9443/ws/!ticker@arr.comreconnect=true, and found that it only contains transaction pairs, no contract fields, please ask if this interface contains ticker data for contracts?
scottliyqI found it at https://binance-docs.github.io/apidocs/futures/cn/#185368440e
The grassInterface for calling contracts, referring to the documentation of Binance