Tham khảo cái này để tăng khả năng sử dụng ngôn ngữ MetaStock

ColumnA: Buy Sign
Cross( Mov( Close,9,S), Mov( Close,50,S)) And Close > Mov( Close,80,S)

ColumnB: Shrt Sig
Cross( Mov( Close,50,S), Mov( Close,9,S)) And Close < Mov( Close,80,S)

FILTER:
colA = 1 OR colB = 1