Currently you can route orders to IBKR ATS from within ScaleTrader and the Accumulate/Distribute algo.
Can I use IBKR ATS with algos?
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Can an Adaptive algo order be direct routed to an exchange?
How can I scale into a position in TWS?
Can I use IBKR ATS with other trading tools?
Are Algo orders available when using the "Close" feature in TWS or Mosaic?