Mitt Romney [or Sarah Palin] will be the Republican vice presidential nominee.

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Tim Pawlenty won&#8217-t go in Dayton, Ohio. So, it&#8217-s Mitt Romney.

The play-money and real-money prediction markets were easily fooled with the Pawlenty rumors, yesterday.

That vindicates my message that the VP prediction markets feed on unreliable primary indicators.

I said from day one to be careful with the VP prediction markets.

I told you so.

UPDATE: It&#8217-s probably Sarah Palin.

Tim… Who?

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Link to the InTrade prediction market.

Below, I try to hot-link to the chart, I&#8217-m not sure at this point it will work. We will see.

Tim Pawlenty

Tim Pawlenty

The vetting of the many potential Democratic vice president nominees was not as secretive as I thought. – Bo Cowgill was right, in hindsight.

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The New York Times has a recount on how Barack Obama reached his decision on Joe Biden. The final decision was probably made 10 days ago, while Barack Obama was vacationing in Hawaii.

[…] Mr. Obama’s decision had as much to do with Mr. Biden’s appeal among white working-class voters and compelling personal story, and his conclusion that the Delaware senator was &#8220-a worker.&#8221-

The important information in the NYT piece is that Barack Obama personally called governor Bill Richardson &#8220-late last week&#8221- to announce him that he was not considered anymore. That&#8217-s around the time the Joe Biden rumor began to have more weight in the media circles &#8212-see the InTrade chart below.

Bo Cowgill, back in May 2008 (when I started to act as a prophet of doom):

This is dumb. Cover them if something interesting happens. Maybe your theory will turn out to be wrong. Anyhow: Although the decision is made in secrecy, the Presidential nominees have a number incentives which we have plenty of information about. Specifically:
* They want someone who will balance their tickets in terms of geography, race and class.
* They want someone who will help with weak areas of their campaigns.
* They want someone who will be a good campaign surrogate — giving good speeches and attacking the opponents effectively.
* They want to avoid a VP who will de-motivate or offend the base.
* They want to avoid someone with a bunch of skeletons in the closet such as angry ex-wives, out-of-wedlock kids, etc.
* Etc etc.
Anyhow, I don’t see any reason to ignore these markets in case something interesting happens. I read Midas Oracle so that I don’t *have* to read a whole bunch of other websites!

Bo Cowgill was on the right track, now that I think of it &#8212-in a society where everything leaks out.

On the opposite of the spectrum, Tom Snee was too much extreme in his view:

According to Tom Snee of the Iowa Electronic Market, at Iowa University, futures markets need more hard information than they get in the veepstakes, to reliably predict a result.

Markets are very good at predicting elections, he says – but not choices being made inside Barack Obama&#8217-s or John McCain&#8217-s head.

Justin Wolfers was more measured.

So, Bo Cowgill and Justin Wolfers are the winners, on that one.

I was partially wrong. I am a bit too extreme, sometimes. (Did someone else notice that? :-D ) I need to learn more about&#8230- granularity.

PS: On the Republican side, now&#8230-

Price for 2008 Republican VP Nominee (others upon request)(expired at convention) at

Who will be the Republican Vice Presidential Nominee?

Democratic and Republican caucuses in Nevada + Republican primary in South Carolina

Here are the event derivative charts of expired InTrade contracts.

[Psstt&#8230- I have high hopes about being able to publish the charts of expired BetFair contracts, too, soon. :-D ]



Democratic and Republican caucuses in Nevada


Democratic caucus in Nevada (the Hillary Clinton event derivative was expired at 100):

Dem Nevada Clinton

Dem Nevada Obama

Dem Nevada Edwards


Republican caucus in Nevada (the Mitt Romney event derivative was expired at 100):

Rep Nevada Romney

Rep Nevada McCain



Republican primary in South Carolina


Republican primary in South Carolina (the John McCain event derivative was expired to 100):

Rep SC McCain

&#8220-Field&#8221- = Mike Husckabee

Rep SC Field

Rep SC Romney

Rep SC Thompson-F

Source: InTrade

Read the previous blog posts by Chris. F. Masse:

  • Super Bowl XLII
  • The Glorious Incertitude Of Sports
  • TradeSports Cost Of Transaction
  • The prediction market industry needs people who have balls.
  • Is it good to have a prediction market melting pot of academics and businesses?
  • Is it time to buy some Michael Bloomberg event derivatives?
  • Professor Leighton Vaughan-Williams excluded from the BetFair blog feed

The Michigan primary as seen thru the prism of the InTrade prediction markets

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Michigan, U.S.A. &#8212- Tuesday, January 15, 2008


The Democrats

The Hillary Clinton event derivative was expired to 100.

MI Dem Clinton

MI Dem Obama

MI Dem Edwards

MI Dem Field


The Republicans

The Mitt Romney event derivative was expired to 100.

MI Rep Romney

MI Rep McCain

MI Rep Giuliani

MI Rep Field

Source: InTrade