order 140 -1
Updated
probably the most safe situation I ve ever met : either sell or buy you win . sign!
3 dazhuang/ge all down in 7 hours, but all up in 22 hours.
this keep short strategy data.
3 dazhuang/ge all down in 7 hours, but all up in 22 hours.
this keep short strategy data.
Note
Note
or its not safe, when both long short win ,might means both will loss.but I cant wait to try this
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