1. Market Info is available only for CFD Stocks. 2. In Historical Tester com.dukascopy.api.instrument.IMarketInfo#isOpenNow will be evaluated for current system time (not for current time of test). 3. Use com.dukascopy.api.instrument.IMarketInfo#isOpenAt to obtain state at specified moment of time. See also: com.dukascopy.api.IHistory#getStartTimeOfCurrentBar(com.dukascopy.api.Instrument, com.dukascopy.api.Period) java.time.Instant#ofEpochMilli 4. Use com.dukascopy.api.IDataService#isOfflineTime(long, com.dukascopy.api.Instrument) to obtain tradability state for any instrument. See also: com.dukascopy.api.IContext#getDataService com.dukascopy.api.IHistory#getStartTimeOfCurrentBar(com.dukascopy.api.Instrument, com.dukascopy.api.Period)