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Quants clamour for data, causing soul-searching at large banks

Their dilemma: how to offer useful tidbits without giving away anything sensitive

New York

THE insatiable demand for unique market data is putting banks in a tricky situation.

Quantitative investors, starved for trading signals that can be spun into gold, are pressuring the finance firms they work with to grant them access to proprietary information. It's easy...

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