2008.2
Updated April 2, 2008:

2008.2 released April 2:

(insecure) agent interface

input max cost or max quantity

Experiments allow per-trader dividends

fixed reported problems in creating accounts

Improved log file analyzer for Experiments

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Zocalo is a toolkit for building prediction markets, markets in securities that pay out depending on outcomes of future events. They provide estimates of the likelihood of specific outcomes that are more reliable than other sources of predictions. more

The Zocalo Project Lead is Chris Hibbert.

• Visit the Zocalo project page at SourceForge.
• Want to help? Read our development plans.
• What does Zocalo mean?

• Third Party Software (licenses and documentation)
• Chris Hibbert's ongoing Prediction Market blogging. (Check this blog regularly for news about Zocalo.)
• Prediction Market blogging at CommerceNet (3/05-7/06)

Presentations:

• SFO Prediction Market Summit (2/06) PPT (3MB), PDF (2.6MB).
• SDForum (8/06) PPT (1MB), PDF(1MB).
• DIMACS Prediction Markets Workshop (2/05) (PPT)
• Other Presentations:
  • SD Forum, August 2006;
  • Discussant at Prediction Market workshop, June 2007;
  • Ricoh Innovations, September 2006;
  • Stanford Grad. stats class, May 2007

Paper:

• Zocalo Proposal (PDF, 2/05)