Data: BitMart's perpetual contract price difference reaches 3.39%, the largest spread among the Top 15 exchanges

According to the ranking data from RootData on stock derivatives exchanges, as of the time of writing, the top five exchanges with the largest spreads among the Top 15 are BitMart (3.39%), MEXC (0.465%), BingX (0.422%), Phemex (0.426%), and XT.COM (0.144%).
It is reported that this spread is weighted by the 24-hour trading volume, and a higher value typically indicates higher trading costs.