Well, both actually!
http://www.prosportstrade.com/
The Sport of Investing
The ProSportsTrade Exchange is the world’s first real money online
sports exchange game where you can win money by trading professional
sports teams like you would companies in the stock market.
The ProSportsTrade Exchange works just like Wall Street, but instead of
exchanging shares, you trade ‘tickets’ representing professional sports
teams whose values are linked to teams in the National Football League,
the National Basketball Association, the National Hockey League & Major
League Baseball.
Winning Ways
You can win two ways with the ProSportsTrade Exchange. First, if the
value of the team 'tickets' you hold goes up from the price you bought
them at, you've made a profit just like you would on Wall Street.
Secondly, there are ProSportsTrade Exchange dividend-like payouts. The
ProSportsTrade Exchange dividend-like payouts are a percentage of each
League's global payout pool and paid out several times during a League's
regular season and championship rounds. The better the team does, the
more money you can win.
Fair Play
The ProSportsTrade Exchange has secured credible third parties to serve
as the Exchange's regulatory watchdogs. These steps make the
ProSportsTrade Exchange the only game of its kind on the Internet to be
regulated and audited so its Players can be assured of fair play and
prompt payouts.
Setting New Standards
The ProSportsTrade Exchange has developed encrypted Vcash (Virtual cash)
software, security firewall server systems and fraud screening
procedures equal to that of many of the world's largest financial
institutions.