Prediction Markets + Market Predictions = Collective Forecasting That Pays Off

Tag Archives: prediction market analysis

Economics blogger Zubin Jelveh got it right about the InTrade hedging thing.

“No Manipulation At InTrade“
Exactly.
John Delaney said that that firm has been hedging on InTrade —a normal and beneficial activity on the other (larger and more liquid) financial markets.
InTrade is not liquid enough to weather (quickly enough) the impact made by the hedging activities, at this time, but will in the future, if growth continues.
Manipulation is [...]

Are recent historical charts now useless for short-term prediction market analysis because of the non-informational trades made by that institutional investor hedging its political risks on InTrade’s election prediction markets?

How can you assess the impact of Colin Powell’s endorsement of Barack Obama? You can’t.

What is a prediction market? What is the utility of enterprise prediction markets?

Consensus Point:
First, every market price is a prediction. Think of a familiar securities market such as a stock market. The price of a company’s stock is a forecast of the value of future dividend payments. A bond price is a forecast of the value of a defined set of interest payments, based on factors such [...]

Is Intrade out on a limb?

As I write this, Intrade gives the advantage to McCain over Obama and has the Republican party even with the Democratic party to win the election, whereas all the other prediction markets, meaning IEM, Betfair, and the NewsFutures play-money kind still favor a Democrat in the White House. That disconnect prompted Chris to wonder aloud [...]

Intrade 2008.PRES.McCAIN > PRESIDENT.REP2008

How frequent are arbitrage opportunities such as the following?

In addition to title, the reverse is true of OBAMA/DEM.
Do traders really think there’s some probability of McCain being elected as an idependent and Obama being replaced as the Democrat nominee?

State Polls versus Electoral College Prediction Markets

Prediction market analyst Lance Fortnow in an e-mail to me:
Right now the electoral college markets are tracking the polls pretty closely. I think we’ll see some divergence when we get close to the election since the polls can’t keep up. In past elections the markets were much better than the polls within a few days [...]

Now that Joe Biden is the Democratic vice president nominee, what to think of Justin Wolfers’ August 1st column for the WSJ?

- The good point is that he dealt well with the fact that the VP prediction markets fed on primary indicators that are less reliable than the ones used for the political elections.
- The bad point is that, at the time he wrote up his column, Virginia governor Tim Kaine was the favorite of the [...]

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

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 [...]

Never trust a politician.

Barack Obama + Joe Biden — THE PREDICTION MARKETS NAILED IT… triple alas (for my reputation as a world-wide prediction market pundit, and for the debate on the different quality of the various primary indicators out there).

“Friend — I have some important news that I want to make official. I’ve chosen Joe Biden to be my running mate.”
Some blogger says his wife is fantastic.
New York Times portrait of Joe Biden.
UPDATE: Barack Obama’s speech + Joe Biden’s speech
-
I think it is the worst pick ever. What a blunder. Joe Biden (a D.C. [...]

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