PHLX

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NASDAQ Files to Change Order Processing Algorithm, Permit Registration of Market Makers and Amend Order Types on PSX

In 2010, NASDAQ OMX PHLX LLC (PHLX) launched NASDAQ OMX PSX (PSX) as a platform for trading NMS stocks using a price/size execution model. Now PHLX has filed a proposed rule change to adopt a price/time model for PSX. PHLX is...more

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