NYSE to ‘Align' Amex, Arca Feeds

NYSE will roll out two feed types for Amex data that mimic its own delivery options for market depth data-OpenBook Ultra, which provides a low-latency, event-driven feed of data on NYSE-listed equities for algorithmic trading, and OpenBook Real-Time, which aggregates data at one-second intervals.

Amex previously had only an event-driven feed, and did not offer an aggregated option, says Ron Jordan, executive vice president of data services at NYSE. The additional feed option will enable latency-s

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