They have a new product that they're promoting, so they're offering a tournament or competition of sorts where you can basically trade with "fake" money and if you are able to make more than others, you will win up to $15,000 worth of bitcoin. The scoreboard is all public and you can have some fun competing with friends.
There's two tournaments: Classic and Turbo. It's really easy to get started.
Here's the instructions of how you can get signed up in minutes for chance to win $15K:
Step 1 - Sign up for WhaleClub trading account (it's free and fast). Link here.
Step 2 - Go to the tournament signup link here.
Step 3 - Click the "Enter" button, it's that simple.
Now you're entered into the tournament! They also have a $5,000 binary options tournament, you can sign up for it here.
Best of luck and practice your trading while you wait - the tournament starts July 1st. See you there!
If you want a walk through of how Whale Club's platform works and how to trade the markets in general, go here:
http://www.bitcoinfuturesguide.com/whaleclub.html