[amibroker] something is wrong with my afl on hourly scans

[murthysuresh]

I am trying to get signal if the hourly volume >2 times volume ema of 9 
days. I keep getting incorrect results. Not sure where i am wrong
Filter=InWatchList(5);
TimeFrameSet( inHourly);
Buy=Volume>2*EMA(Volume,9);
TimeFrameRestore();