On Dustcoin.com Wdc is not the most profitable. And even if it's maybe not 100% accurate DOGE or DGC Seems better ATM.
http://www.criptovalute.it/profitEdit :
DOGE is over, DGC is also a good coin, but not as good as WDC for autotrading right now. DGC is for hoarding, not autoselling.