1.select a market, 2.select a stock and buy
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.

AAPL's closing price in Jan 15

In response to Steve Jobs' medical leave of absense, AAPL's stock is expected to fall in NASDAQ. But, how much (or not)? Closing price of Jan 14 was $85.33, you may watch (almost) real time (including after hours) prices here: http://finance.google.com/finance?q=NASDAQ:AAPL
This market is closed!
stock final price winner?
80.01 or higher 0.8 yes
70.01 - 80.00 0.1 no
60.01 - 70.00 0.0 no
50.01 - 60.00 0.0 no
50.00 or less 0.0 no

how to ask

1. Navigate to
create a market
& enter your question
2. Name the possible
answers & publish!

how to answer

1. Go to trade
& pick a market
2. Pick your answer
& invest some ¥€$
That's it!