The Mac version of IB TWS is a free datafeed for the Mac versions of motivewave and linnsoft investor rt.
AMP is really nice broker. I have near zero complaints about AMP, although I have some concerns with CQG and Rithmic these days....
Connection and execution quality issue..... The same reason why Sierra Chart officially ditched supporting of both CQG and Rithmic.....
Isn't it also a big coincidence that SierraChart has been having all these issues since they have their own data feed? None of the traders i recently talked with had any issues lately using CQG with SierraChart, neither did i.
Data feed, platform, fees and margins are all good at AMP Global... never had any problems. I use CQG as well and no issues even in these volatile times. As a trader you do have to pay attention to liquidity tho...
This might help you when you check with them. This firm seems to have a Mac compatible MT5. They say : ' Fully compatible with Mac and with no need for Boot Camp software or parallels desktop, the XM MT5 for Mac provides a range of functionalities to trade the global markets with no re-quotes and no rejection of orders. https://www.xm.com/mt5-mac