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STOCKY – play and predict the future

                       Domas Monkus
                              domas@nous.lt

                       Nous
                                www.nous.lt
Who are the winners of Eurovision?

● Polls
● Expert opinions

● Statistical models




            ● „You mean who I'd like to win?“
            ● Insincere disclosure

            ● Incomplete information
Prediction markets

● Stocks are tied to events
● Stock payouts depend on the outcomes

● Stock prices correlate with the probabilities
Prediction markets

  The benefit? Accuracy!

Iowa Electronic Markets: 2008 US President election



                                        Democrats




                                      Republicans
Prediction markets



 Why?
● „Wisdom of the crowds“ (J.Surowiecki)

● Incentives for information discovery and

truthful revelation of beliefs
● Efficient market hypothesis
Stocky




         Demokratai




     Respublikonai
Why facebook?

 A channel for:
● User acquisition

● User activation

● User retention

● User referrals




          High trading volumes and thus a large
         user base is necessary for forecasting
         accuracy.
What's next?



● More markets
● Geo and social market recommendations

● Paid markets

● Growth
Public beta!




http://apps.facebook.com/stocky_beta/
Thank you

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Stocky

  • 1. STOCKY – play and predict the future Domas Monkus domas@nous.lt Nous www.nous.lt
  • 2. Who are the winners of Eurovision? ● Polls ● Expert opinions ● Statistical models ● „You mean who I'd like to win?“ ● Insincere disclosure ● Incomplete information
  • 3. Prediction markets ● Stocks are tied to events ● Stock payouts depend on the outcomes ● Stock prices correlate with the probabilities
  • 4. Prediction markets The benefit? Accuracy! Iowa Electronic Markets: 2008 US President election Democrats Republicans
  • 5. Prediction markets Why? ● „Wisdom of the crowds“ (J.Surowiecki) ● Incentives for information discovery and truthful revelation of beliefs ● Efficient market hypothesis
  • 6. Stocky Demokratai Respublikonai
  • 7. Why facebook? A channel for: ● User acquisition ● User activation ● User retention ● User referrals High trading volumes and thus a large user base is necessary for forecasting accuracy.
  • 8. What's next? ● More markets ● Geo and social market recommendations ● Paid markets ● Growth