Hi,
there is special method in
IIndicators, named
calculateIndicator [url]https://www.dukascopy.com/swiss/docs/api/com/dukascopy/api/IIndicators.html#calculateIndicator%28com.dukascopy.api.Instrument,%20com.dukascopy.api.Period,%20com.dukascopy.api.OfferSide[],%20java.lang.String,%20com.dukascopy.api.IIndicators.AppliedPrice[],%20java.lang.Object[],%20com.dukascopy.api.Filter,%20int,%20long,%20int%29[/url]
Here is sample
https://www.dukascopy.com/swiss/english/forex/jforex/forum/viewtopic.php?f=6&t=1038&p=2307&hilit=entropy#p2307