As I’m sure most of you have experienced there is an ever increasing need for more data… from domestic markets, international markets, capturing your own order flow, news, and recently sentiment from social media. Regardless of the hype around big data improving your understanding of markets, it’s microstructure and the impact of your own trading can be a game changer.
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Data drives everything we know and don't yet know. It is a tunnel to explore and analyze the past. Historical data provides the vehicle to gain an understanding of the interrelationship and correlation between and within markets and the influence of business, economic and geo-political actions. The point of course is to leverage this knowledge as a means to gaze down the other end of the tunnel anticipating what may come. Prediction is that elusive holy grail that quantitative analysis seeks. Whether its portfolio managers hedging risk or Quants seeking new avenues for alpha historical data reveals the light at the end of the tunnel. And it's not just a matter of having the raw historical data, but having it structured, organized and linked together with the right tools to tunnel deep letting the knowledge buried within be easily unearthed.