<?xml version="1.0" encoding="UTF-8"?>
<cov:edgarSubmission xmlns:cov="http://www.sec.gov/edgar/atsn/cover" xmlns:ats="http://www.sec.gov/edgar/atsncommon">
  <cov:submissionType>ATS-N/MA</cov:submissionType>
  <cov:rbOperatesPursuantToFormATS>N</cov:rbOperatesPursuantToFormATS>
  <cov:accessionNumber>0002000464-26-000010</cov:accessionNumber>
  <cov:filerCredentials>
    <cov:filerCik>0002000464</cov:filerCik>
    <cov:filerCcc>XXXXXXXX</cov:filerCcc>
  </cov:filerCredentials>
  <cov:fileNumber>013-00202</cov:fileNumber>
  <cov:txNMSStockATSName>AlphaX US</cov:txNMSStockATSName>
  <cov:taStatementAboutAmendment>TMX Alpha US, LLC is filing this Material Amendment to amend  Part III, Sections 7a and 9a to permit participants to elect that their conditional orders interact only with other conditional orders.

This Material Amendment applies to the broker-dealer operator and all Participants of the ATS. 
</cov:taStatementAboutAmendment>
  <cov:liveTestFlag>LIVE</cov:liveTestFlag>
  <cov:flags>
    <cov:overrideInternetFlag>false</cov:overrideInternetFlag>
    <cov:confirmingCopyFlag>false</cov:confirmingCopyFlag>
  </cov:flags>
</cov:edgarSubmission>
