2021-12-08 11:01:03[1638961264.001] - new buy order: Array ( [contract] => DOT_USDT [price] => 28.3277 [size] => -2367 [tif] => gtc ) Array ( [label] => INSUFFICIENT_AVAILABLE [detail] => margin 8488.321830028125 while available 0.839237144743 ) 2021-12-08 13:01:03[1638968463.185] - new buy order: Array ( [contract] => DOT_USDT [price] => 28.672 [size] => -2367 [tif] => gtc ) Array ( [label] => INSUFFICIENT_AVAILABLE [detail] => margin 8591.490432 while available 0.839237144743 ) 2021-12-08 15:01:03[1638975663.681] - new buy order: Array ( [contract] => DOT_USDT [price] => 29.7064 [size] => -2369 [tif] => gtc ) Array ( [label] => INSUFFICIENT_AVAILABLE [detail] => margin 8908.966998175 while available 0.839237144743 ) 2021-12-08 22:01:03[1639000863.4108] - new buy order: Array ( [contract] => DOT_USDT [price] => 29.3765 [size] => -2378 [tif] => gtc ) Array ( [label] => INSUFFICIENT_AVAILABLE [detail] => margin 8843.49972396875 while available 49.798488394743 )