Tag Archives: New Hampshire

New Hampshire prediction markets screwed up political forecasting in 2008. Will they be right this time? — [CHARTS]

The political prediction markets got the Democratic race wrong in New Hampshire, last time. More here. – New Hampshire – The Democrats – The Hillary Clinton event derivative was expired to 100. – New Hampshire – The Republicans – The … Continue reading

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Flawed New Hampshire polls = Non-accurate New Hampshire prediction markets

The most comprehensive analysis ever conducted of presidential primary polls: “a handful of methodological missteps and miscalculations combined to undermine the accuracy of predictions about presidential primary winners in New Hampshire and three other states.” Via Mister the Great Research … Continue reading

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Ubber finance blogger Barry Ritholtz believes in magic. He believes that, with more volumes on the event derivative markets, comes the Omniscience —capital “O”.

- Our good friend Barry Ritholtz.has persuaded himself that our real-money prediction markets suffer from an irremediable and fatal problem: liquidity on political event derivative markets is too thin for smart Wall Street people like him to take their market-generated … Continue reading

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Yet another guy, writing about prediction markets in the mainstream media, who does not master what he is talking about.

Via Adam Siegel of Inkling Markets, John McQuaid of Wired. It’s incoherent to start a rant against prediction markets by this upbeat line, “Prediction markets can be spookily accurate.” He blames the New Hampshire upset on poor liquidity. Where is … Continue reading

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Professor Koleman Strumpf explains the prediction markets to the countryland people.

Ah, Kansas… Barbecues, pickup trucks, rednecks, country music, and… the local FOX News. Despite that one blip on the radar [New Hampshire], Strumpf said futures are still the best way to predict the way things will go from here. Spot … Continue reading

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Justin Wolfers on Rudy Giuliani = not convincing… yet

Justin Wolfers investigated the Rudy Giuliani free-fall thru the prism of the InTrade prediction markets in the Wall Street Journal (PDF file). All told, prediction market data tend to confirm that Mr. Giuliani’s recent decline is due to a poor … Continue reading

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Midas Oracle is the only popular, independent, exhaustive, multi-author, multi-exchange, Web-based resource on prediction markets.

Dear Midas Oracle readers, I’m happy to report progress in building the architecture and content of our group blog, Midas Oracle. Let me introduce you to our 2 master pages: “PREDICTIONS” and “BEST”. — — #1. PREDICTIONS http://www.midasoracle.org/predictions/ = our … Continue reading

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Did the BetFair blog use trading data from InTrade to hint at BetFair’s accuracy??

Latest update on the BetFair blog fiasco — I am alerted today that the BetFair blog has updated its infamous Michigan story with a new compound chart bearing a clearer label. It reads now: Republican nomination – The race so … Continue reading

Posted in Analysis (Accuracy & Precision), Ethics, Exchanges & Markets, Market Expiry, Market Liquidity, Market Prices & Probabilities, Prediction Journalism | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | 3 Comments

Assessing Probabilistic Predictions 101

Lance Fortnow: [...] Notice that when we have a surprise victory in a primary, like Clinton in New Hampshire, much of the talk revolves on why the pundits, polls and prediction markets all “failed.” Meanwhile in sports when we see … Continue reading

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NIALL O’CONNOR ATTACKS THE INTELLECTUAL HONESTY OF THE PREDICTION MARKET RESEARCHERS.

Niall O’Connor (who maybe ate grilled snake for his Sunday morning breakfast ): The current trend to promote almost illiquid betting markets as being predictive, looks set to backfire bigstyle. In a nutshell, to date the so called “prediction markets” … Continue reading

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