According to Foresight News, HashKey Global announced the launch of TON, POL and ALEO perpetual contracts. The contracts launched this time include TONUSDT, POLUSDT and ALEOUSDT, all of which use USDT as the settlement currency. The face value of each contract is 1 TON, 1 POL and 1 ALEO respectively, the minimum price change unit is 0.001, the maximum leverage is 10 times, the upper limit of the funding fee is set at +0.75%/-0.75%, and settlement is performed every 8 hours.