We trade in Batex anf U-koala.
You mentioned 2 exchanges I've never heard of, did the signal channel owner just point you to that exchanges? If so, try withdrawing your funds to ensure that you areb't being fooled. Beware of something free.
Yes, they are actually the one who choose on which exchanges we will trade. In addition to that, I noticed that all coins they were asking us to buy/sell are not presence in other known platforms like Binance.