Panel: Quants Must Tackle Data Concerns

Rising data volumes continue to cause significant problems for firms, and are being exacerbated by a proliferation of venues and data fragmentation. "Not only do you have to cobble data together across all markets, across all depths... but as the shares per trade shrink, you can't get a fill [at the top of book]... so the amount of data is exploding," according to Marvin Kelly, a managing director in Credit Suisse's propriety trading group.

As data volumes rise, maintaining data quality becom

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