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It may be possible to make an adjustment to a scheduled Day Ahead physical transaction after Day Ahead market
clearing results are posted.

MISO will respond to Day Ahead E-Tag adjustment requests between 13:30-14:00 EPT. For any hours that cleared Day Ahead MWs differ from the volume requested by the Market Participant, MISO will issue a Market Adjustment to the E-tag, requesting a profile change to match MISO’s cleared results. Regardless of whether the request is approved, MISO will settle the Day Ahead Market schedule based on the profile in the adjustment request. If MISO does not issue an adjustment, you can assume to have fully cleared in the Day Ahead Market.
 
For more information, please see BPM 007 – Physical Scheduling
 

Keywords: Tag, E-Tag, DA, Day Ahead, Adjustment, Schedule, Transaction, OATI, Physical Schedule