WebsocKetV2Mark priceOn this pageMark priceRequest Format mark_price@{symbol} example: mark_price@btc_usdt rate: 1000ms Response Example Response{ "topic": "mark_price", "event": "mark_price@btc_usdt", "data": { "s": "btc_usdt", // trading pair "p": "50000", // price "t": 123124124 // timestamp }}