I am pretty experienced full-time crypto trader actually, and I have tried WhaleClub.co from 5 different accounts and all the contracts I opened, closed as reverse. And you only have 3 posts, not really credible imo.

EDIT: Just a quick google search reveals this: https://www.reddit.com/r/Bitcoin/comments/2vc5ty/whale_club_btc_price_manipulation_exposed/