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diff_day:=stkindi('','macd.diff',0,6);
dea_day:=stkindi('','macd.dea',0,6);
diff_week:=stkindi('','macd.diff',0,7);
dea_week:=stkindi('','macd.dea',0,7);
cross(diff_day,dea_day) and diff_week>dea_week;