http://esm.ubc.ca/CA06/index.php
1$ buys you one share in each of "Liberal Majority", "Conservative Majority" and "Other outcome".
The payout is 1$ per share of what happens, or 0$ per share of nothing happening.
Or, 1$ buys you a share of all of L, NDP, C, B and O popular vote. The payout is the fraction of the popular vote any share you own gets.
Or, 1$ buys you a share of all of L, NDP, C, B and O seat count. The payout is the fraction of seats any share you own gets.
This is a research attempt to apply the powers of a market economy to predicting elections. Sort of neat. You can look at the results of the BC election prediction that they ran.
The money being traded is real.