A research work by George Tziralis & Panos Ipeirotis.
Detecting Important Events
using Prediction Markets, Text
Mining, and Volatility Modeling.
Presented on July 9th in the 3rd Prediction Markets workshop, Kellog's School of Management, Northwestern University, Chicago
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Tziralis & Ipeirotis at 3rd Prediction Markets Workshop
2. markets and ef鍖ciency
strong: prices re鍖ect all information, public and
private
semi-strong: prices re鍖ect all publicly available
information
weak: past prices cannot be used for market
prediction
3. prediction markets?
Perhaps, the relationship between price and
information is no more clear than in prediction
markets (Pennock et al. 2002)
lets start from the weak form of ef鍖ciency
is it possible to predict future prices using only
past ones?
4. playground
InTrade
political contracts
US nominee elections 08
800 - 1000 time series instances for each
contract