Is it sports betting?

No. BallStreet is a skilled based peer-to-peer prediction market that allows members to change their opinion on an outcome of an event at anytime. ​You are not judged on if you pick the "winning" outcome, only if you are able to out trade the crowd in the market.

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What happens at the end of a game/event?

At the end of the game/event the market will close. All open orders will be cancelled and all shares that you own will be valued. For shares you own of the winning outcome you will be credited $100 in virtual currency towards your P&L. For shares of the losing team you will be credited $0. This will be added to your final P&L to be used for that game's leaderboard and potentially for the contest leaderboard if it is high enough.

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