To edit an aggregated instrument:
Click the edit icon next to the selected instrument.
This opens the Aggregator Configuration dialog box, which is used for editing the Aggregator routing parameters and settings for the selected aggregated instrument. When editing an instrument, Edit Aggregated Instrument: (Instrument Name) appears in the title bar of the Aggregator Configuration dialog box.
Note: If there are working orders for the aggregated instrument, you can open the Edit Aggregator: (Instrument Name) screen, however, you can not edit or change any of the instrument's settings.
Check the preview ladder to view how the changes impact the synthetic market for the instrument.