币界网报道：According to the official announcement, Huobi HTX has launched RVN/USDT and SPX/USDT perpetual contracts on June 6, with a maximum leverage of 10 times for RVN/USDT and 20 times for SPX/USDT. At the same time, Huobi HTX launched the RVN and SPX contract trading party from 16:00 on June 6 to 16:00 on June 13 (UTC+8), with a total prize pool of up to 20,000 USD. During the event, users who complete the registration and participate in RVN/USDT and SPX/USDT contract transactions, with a cumulative effective transaction amount of ≥10,000 USDT, can share the prize pool according to the transaction amount ranking; new contract users who complete RVN/USDT and SPX/USDT contract transactions will also receive exclusive benefits.