It is not easy to know if what coins is profitable it is depends on development of the coin because if the developers are active to adopt the coin there are many people will support the coin so if you can find them then you can make profit if the price of bitcoin increases. If you know BTX it is one of the great choice if you want them to trade but not it's not good in daily basis.
XVG is other coin with active developers and the price today was increase almost 8% so today for this coin is not a good time to buy so better to wait more weeks or days.
Also, use this tool
https://coinmarketcap.com/gainers-losers/ you can see all coins and token that make a large profit today and list of coins who drop a lot.