Used to be super active but got burned by most of the old closures (Cryptsy, btc-e, Bter, etc), so where is the best place to trade nowadays? I have a Coinbase account already along with Kraken but not sure of other options that may be better. Thanks!
Hope those closures of the mentioned exchanges didn't result in losing your coins 
Otherwise when it comes to the best exchange, it depends on your jurisdiction ad this can't be generalized , and if you are interested in other services the platform offers such as p2p trading this will have to be considered when finding what works for you!
Personally I use Binance, poloniex, kucoin, gateio and a combination of decentralized exchanges depending on where I can find the best price of a coin am interested in...