Author Archives: Caveat Bettor

About Caveat Bettor

Prediction Market Trader (and a Proprietary Trader and Risk Manager, working for a few investment banks for more than 20 years) - North America

The 2010 Global Warming Exchange has been closed.

Here. 2010 was a warm year, despite record snow and ice in highly populated areas. Here is the message I provided on the expiry: The NASA GISS GLOBAL Land-Ocean Temperature Index for 2010 averaged out to 0.6325 Celsius above baseline. … Continue reading

Posted in All Guest Authors's Posts, Exchanges & Markets, Market Expiry, Market Prices & Probabilities | Tagged , , , , , , , , , | Leave a comment

Global Warming Exchange update

up at Caveat Bettor.  An excerpt: For the first 8 months of the year, the index has averaged 0.52 Celsius over baseline, slightly warmer than 2008′s 0.44 Celsius, but still trending lower since the peak of 0.62 in 2005. Temperatures … Continue reading

Posted in All Guest Authors's Posts, Exchanges & Markets, Market Prices & Probabilities, Predictions - Forecasts | Tagged , , , , , , | 1 Comment

My response on high frequency trading, price discovery, liquidity, and transaction costs is up.

Here, in response to this, which has Wall Street abuzz today. An excerpt from “Bovine Scatology”: Ten years ago, your mutual fund manager would have to use Goldman or a competitor’s block desk to move 100,000 shares of Proctor and … Continue reading

Posted in All Guest Authors's Posts, Finance | Tagged , , , , | 6 Comments

Chris Masse appears in a fly-by analogy.

Here: http://www.haloscan.com/comments/caveatbettor/3098722113787876052/

Posted in All Guest Authors's Posts, Humor | Tagged , | Leave a comment

The 2009 Global Warming prediction contract is up.

The contract, listed at Inkling Markets, is based on the Goddard Institute for Space Studies GLOBAL Land-Ocean Temperature Index, reported monthly.

Posted in Exchange Genesis, Exchanges & Markets | Tagged , , | 1 Comment

Bloomberg says WSJ says Tim Kaine is Barack Obama’s VP.

I don’t have a link, as the Bloomberg tape just printed it at 12:15pm EST. Will update when available. Unfortunately, Intrade was down, so I could not check where things were trading. He who laughs last, right Chris? UPDATE: Jack … Continue reading

Posted in Politics | Tagged , , , , , , , | 1 Comment

Land-Ocean year-to-date temperatures 0.35 Celsius over baseline

according to GISS. Assuming the Intrade “Top 5″ global warming contract expires according to the Land Ocean Index, May – Dec 2008 temperatures will need to average 0.65 Celsius over baseline. The record was set back in 2005, 0.62 Celsius … Continue reading

Posted in All Guest Authors's Posts, Exchanges & Markets, Market Liquidity, Market Prices & Probabilities | Tagged , , , , , , | Leave a comment

Final InTrade v. Zogby Showdown Results

Superdelegate chicanery notwithstanding, Obama has won his party’s nomination, so my head-to-head contest between a major pollster (Zogby) and major prediction market (Intrade) will be coming to a close. Unsurprising to those who know a little bit about the scholarship, … Continue reading

Posted in All Guest Authors's Posts, Analysis (Accuracy & Precision), Exchanges & Markets, Forecasting (Science & Practice), Leading & Lagging Indicators, Market Prices & Probabilities | Tagged , , , , , , , , , , | 9 Comments

Intrade lists Global Warming Contracts!

The announcement is here. I asked for them at the end of 2006/beginning of 2007 (the post was on Jan 10 2007, but I think I requested them first). A conversation at Midas Oracle, a few months later. The Contract … Continue reading

Posted in All Guest Authors's Posts, Exchange Genesis, Exchanges & Markets | Tagged , , , , , , | 4 Comments

Intrade beats Zogby on Super Tuesday

Both the prediction market and the pollster called 5 of the 7 head-to-head contest winners, so it was mostly ties between them. But in the NJ Democratic primary and the California Republican primary, Intrade contracts pointed to the winner on … Continue reading

Posted in All Guest Authors's Posts, Analysis (Accuracy & Precision), Exchanges & Markets, Market Expiry, Market Prices & Probabilities | Tagged , , , | 3 Comments