Identifying outliers in equity trading – why it matters

Enormous volumes of data might be the lifeblood of quantitative analytics, but for the typical trader, dealing with data in any asset class can be complex, costly and daunting. With the explosion of data in recent years and the continuing appearance of new data sources, the challenge for practitioners is growing all the time and they need the power to identify and extract the data that is most relevant to them. Attempting to isolate data using standard spreadsheets is much like using a bucket and spade to find a grain of sand on a beach – it simply can’t be done. Traders need to understand how data has been sourced and they must be able to curate and store large volumes of data in an accessible and manageable format so that they can