Here is the New Rithmic Concurrent Login Explanation: https://support.ampglobal.com/hc/en...ssions-CME-Market-Data-Fees-starts-May-1-2020
Actually, all U.S. brokers are quite safe as far as I know: https://www.elitetrader.com/et/threads/ampfutures.322820/#post-4687083AMP is fine for smaller to medium accounts.
I am using them myself but if my account grows to a larger size i will probably move to an introducing broker that clears with ADMIS or Wedbush for example.
Safety of my funds would be more of a concern once i trade a bigger account. AMP has 4 million in excess capital, ADMIS has 123 million in excess capital and Wedbush has 135 million excess capital.
AMP is more comparable to Ironbeam in size, they have 4,1 million in excess capital.
Actually, all U.S. brokers are quite safe as far as I know: https://www.elitetrader.com/et/threads/ampfutures.322820/#post-4687083