The CAT Technical Specifications for Industry Members require Industry Members operating ATSs (“Industry Member ATSs”) to populate the atsOrderType field on CAT Equity New Order and Order Accepted events. The description of this field states that it “Shows the ATS-specific order type as selected from a list of order types defined by this Industry Member via the Reporter Portal.” The purpose of this CAT Alert is to provide additional information regarding the mechanism that CAT will use to collect information regarding these order types.
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CAT Alert 2018-004 has been retired. The information contained in this CAT Alert can now be found in the Order Routing Field Mapping between CAT and Exchanges document.
- Updated On:
CAT Alert 2018-003 has been retired. The information contained in this CAT Alert can now be found in section 2.4.1 the Industry Member Technical Specifications.