Prediction Markets + Market Predictions = Collective Forecasting That Pays Off

Category Archives: Betting

Bookmaker laying a la BetFair

At Ladbrokes, you can now bet on an anti event —so to speak.
Via Mark Davies —who rejoices.

Dear MO reader: Why you should try Predictalot

Why should you try Predictalot?

Gamers: Make almost any prediction you can think of about March Madness, the NCAA men’s basketball tournament.
Sports fans: Check the crowd’s odds: Is St. Mary’s the next Cinderella?
Economists: Play with a true combinatorial prediction market with 9.2 quintillion outcomes and a single pool of liquidity, unlike almost any other of today’s [...]

Cantor Exchange in the New York Times

Richard Jaycobs uses the adjective “tremendous”. But here’s what the journalo says:
But buyers beware: if “Avatar” is any indication, the public isn’t always so wise about Hollywood fortunes. Most users of HSX.com predicted a flop, and if those users had placed real money on the Cantor exchange, they would have taken a serious hit.
http://www.cantorexchange.com/
http://www.hsx.com/

Libertarian journalist John Stossel explained InTrade’s prediction markets, and forgot BetFair.

ABC News, in 2008:

Smarkets want you to believe that they are going after a much bigger betting market than BetFair’s one.

Their CTO (Hunter Morris) is the first to present in the video. Watch out for his slide on casual and social betting.

Startups Rally – Part I – Elevator Pitches (4 of 4) from Plugg Conference on Vimeo.
Download this post if your feed player does not show you the video above.
External Link: Smarkets

French online gambling laws are turning into a kafkian farce.

The French government will ask internet gambling operators accessing the French market to turn over:

the ID details of all gamblers;
the banking info on all gamblers;
the details of all bets made by the gamblers;
the source code of all software used;
etc.

Crazy.

Internet Gambling Regulation, Consumer Protection and Enforcement Act

Bipartisan Tax Fairness and Simplification Act –> Internet Gambling Regulation, Consumer Protection and Enforcement Act

The BetFair and InTrade websites are going to be blocked in France…

… unless they fork over “in between 52,000 euros and 215,000 euros” for a 5-year period.
Is that regulation or extortion?

Expressing betting prices as percentages

Smarkets:
Can I choose my style of odds?
We show percentage odds by default, but you can select the odds display of your choice from the top of every page. We offer American, fractional, decimal and percentage odds. Because we allow fans to set their own odds you may see some strange looking fractional or American odds, [...]

What’s wrong with soccer betting

I have been browsing thru the excellent Smarkets prediction markets on soccer (a.k.a. association football). You have 3 possibilities for betting:
- the home team wins;
- the home team loses;
- there is a draw.
The soccer rules (which allow for a draw) make me uncomfortable for betting on the outcome of a match. How can you assess [...]

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