private void SetProperties()
 {
     Instrument               = PropertyHelper.ExtractInstrument(Properties);
     BusinessCenter           = PropertyHelper.ExtractBusinessCenter(Properties);
     ExpiryTime               = PropertyHelper.ExtractExpiryTime(Properties);
     Time                     = PropertyHelper.ExtractTime(Properties);
     ValuationDate            = PropertyHelper.ExtractValuationDate(Properties);
     QuotationSide            = PropertyHelper.ExtractQuotationSide(Properties);
     QuoteTiming              = PropertyHelper.ExtractQuoteTiming(Properties);
     MeasureType              = PropertyHelper.ExtractMeasureType(Properties);
     QuoteUnits               = PropertyHelper.ExtractQuoteUnits(Properties);
     CashflowType             = PropertyHelper.ExtractCashflowType(Properties);
     InformationSources       = PropertyHelper.ExtractInformationSources(Properties);
     StrikeQuoteUnits         = PropertyHelper.ExtractStrikeQuoteUnits(Properties);
     UnderlyingAssetReference = new AssetReference {
         href = Instrument
     };
     CapFrequency = PropertyHelper.ExtractCapFrequency(Properties);
     Strike       = PropertyHelper.ExtractStrike(Properties);
 }