externalIds.addAll(tickers);
}
final BloombergHistoricalTimeSeriesLoader loader = new BloombergHistoricalTimeSeriesLoader(
getToolContext().getHistoricalTimeSeriesMaster(),
getToolContext().getHistoricalTimeSeriesProvider(),
new BloombergIdentifierProvider(getToolContext().getBloombergReferenceDataProvider()));
loader.loadTimeSeries(externalIds, "UNKNOWN", "PX_LAST", LocalDate.now().minusYears(1), LocalDate.now());
}