<?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>0000902664-26-003038</cov:accessionNumber>
  <cov:filerCredentials>
    <cov:filerCik>0000922792</cov:filerCik>
    <cov:filerCcc>XXXXXXXX</cov:filerCcc>
  </cov:filerCredentials>
  <cov:fileNumber>013-00114</cov:fileNumber>
  <cov:txNMSStockATSName>IBKR ATS</cov:txNMSStockATSName>
  <cov:taStatementAboutAmendment>Part III Item 7 is being amended to provide that NMO Orders that are marketable relative to the NBBO will not be treated as market pegged orders with a -$0.01 offset; rather, the ATS will limit the effective limit price of such orders to the far touch (that is, the NBB for sell orders and the NBO for buy orders).  

The changes herein impact all subscribers and are applicable to IBKR as ATS operator. There are no other changes in this amendment.</cov:taStatementAboutAmendment>
  <cov:liveTestFlag>LIVE</cov:liveTestFlag>
  <cov:flags>
    <cov:overrideInternetFlag>false</cov:overrideInternetFlag>
    <cov:confirmingCopyFlag>false</cov:confirmingCopyFlag>
  </cov:flags>
</cov:edgarSubmission>