[amibroker] ignore extra buy signals

[Arthur Sawilejskij <arthur@xxxxxxxxxxxxxxx>]

I have a script that checks for certain conditions for a buy and then sells 
next day on close - I trade overnight options.

For example........

sttlong = StochK(5) > StochD(5);
ccilong = cross(cci(13), -100);
buy = sttlong and ccilong;
sell = c;

I sell the next day - but the buy condition still applies subsequent days - 
but I don't want to do another trade till I get a new buy signal - not a 
succession of buy/sell signals till the next crossovers and buy signal.

I need some way to only give me one buy/sell signal  - any suggestions 
would be appreciated.

Arthur










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