[amibroker] Trade Signals in different time frames

["pmxgs" <pmxgs@xxxxxxxxxx>]

Hi,

 I'm having trouble getting this trade signals to work, I hope you can
help me.
 My data is in 15 min bars. The first two conditions are checked in
hourly bars and the third is checked in 15 min bars.
AFL code is like these (I added the plots tto see if the conditions
were correctly checked):
Unfortunately it only generates one trade, although there are several
times when the three conditions are true.
Can someone tell me why this happens?
Maybe the time frame functions are not properly used.

TimeFrameSet(inHourly);
cond1=C>EMA(C,20);
cond2=Ref(MACD(),-2)>0 AND Ref(MACD(),-2)>0;\\2 previous period macd
\\above zero
TimeFrameRestore();
Cond3=C<EMA(C,20);
cond115m=TimeFrameExpand(cond1,in15Minute);
cond215m=TimeFrameExpand(cond2,in15Minute);
Buy=cond115m AND cond215m AND Cond3;
Sell=0;
Plot(Cond115m,"cond115m",colorGreen);
Plot(Cond215m,"cond215m",colorBlue);
Plot(Cond3,"cond3",colorRed);

thanks





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