Other Prediction Exchanges

Limited real money futures markets

• Iowa Electronic Markets
• Intrade (Ireland-based futures market offering contracts on political and current events)
• Hedge Street (U.S.-based, CFTC-regulated futures market offering trading on employment indices, regional real estate trends, and other unusual claims)
• Policy Analysis Market: A Market in the Future of the Middle East (once planned; development now stalled)
• UBC Election Stock Market
• Austrian Political Stock Markets/Austrian Electronic Markets Home Page

Play-money idea futures markets

• The Foresight Exchange
• The Hollywood Stock Exchange
• Innovation Futures
• Virtual Stock Exchange
• The U.S. Idea Futures Exchange (information only; presently not operative)
• Wall Street Sports

Betting exchanges (i.e., matched bet markets)

• Long Bets (a philanthropic project)
• Betfair
• BETDAQ
• InventaBet.com

Bookmakers (i.e., set-odds bets)

• Ladbroke's Science Specials

Information About Private markets

• Robin Hanson's webpage on Idea Futures (summarizing the views and work of the leading theorist of idea futures)
• Michael Gorham, Event Markets Campaign for Respect, Futures Industry Magazine, January/February 2004 (offering a summary of some events markets and a brief assessment of the legal issues they raise)
• Intellimarket (offering services for closed, enterprise-based idea futures markets)
• Kay-Yut Chen's Research (describing research in developing private markets for Hewlett-Packard)
• IBM Institute for Advanced Commerce (discussing work on closed, enterprise-based markets)