Analysis of data quality (gaps, flat spots, spikes and outliers) for a single data vendor for three types of asset - Equities (Close Price), FX Rates (Close Price) and Treasuries (Yield), using different test parameters for each. The analysis can be filtered by any of the asset types and the number of erroneous points is shown for the selected assets. Drill-down is possible for the Treasuries to reveal how the erroneous points are grouped according to expiry year of the Treasury. The second analysis shows the spread (difference) in percent between the quoted FX Rates (Ask Price, Bid Price and Mid Price) from two data vendors to highlight issues with emerging market currencies. The third analysis shows the actual Close Price history, both as physical data and on a chart, for the selected Equity along with indicators to show where each flat spot, spike and outlier actually occurs.
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