Playing contracts is not as good as playing exchange rates:

Now exchange RMB for U. Wait until 7.5 to exchange back. Isn't 10% profit on your capital a great deal? $币安人生

币安人生

Alpha

0.12013

+4.56%

$客服小何

客服小何

Alpha

0.0044749

+3.21%

$修仙

修仙

Alpha

0.0025599

+7.09%