Click on this link to set up Rithmic and ATAS: ATAS/Rithmic Connection Guide

For all NEW users:

When you first log into RTrader Pro, be sure to sign the two agreements.These are mandatory!! Don't forget to select NON-PROFESSIONAL.

Make sure you choose Apex for your System setting. Do NOT select Rithmic Paper Trading! 

If you run into issues connecting Rithmic and ATAS, contact ATAS support. 

Apex Trader Funding offers LIMITED support for NinjaTrader8 only.