If you think one outcome is more probable than its current value indicates, buy some shares to increase its price. You can buy either by entering the amount of money you want to invest or the number of shares you want to buy. You believe a price is too high? Sell some stock! But remember, you can only sell stocks that you already own.

Will there be an assassination attempt on Barak Obama?

market created by ilikeprivacy and closes on 2012-12-31, or the moment one of the outcomes proves to be true

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Stock	current price	¥€$ to invest	shares to buy	new price
Yes YES there will be an attempt	0.423			0.423
NO No there will not be an attempt	0.576			0.576

Available cash: 0.0

buy

Remember, Prices equal probabilities. Think a price is too low? Go buy!