Category Archives: Prediction Markets

Prediction Markets Update: October 30, 2008

The 2008.PRES.OBAMA Intrade contract now trades at 83.3, whereas the 2008.PRES.McCAIN Intrade contract is currently trading at 17.3 (compared with 87.2 and 13.3 respectively as as reported in my last update on October 28). The state-by-state contracts continue to imply that Mr. Obama holds a 364-174 “lead” over Mr. McCain (based upon my cutoff price

Prediction Markets Update: October 28, 2008

The 2008.PRES.OBAMA Intrade contract now trades at 87.2, whereas the 2008.PRES.McCAIN Intrade contract is currently trading at 13.3 (compared with 88 and 12.8 respectively as as reported in my last update on October 26). The state-by-state contracts now imply that Mr. Obama holds a 364-174 “lead” over Mr. McCain (based upon my cutoff price point

Prediction Markets Update: October 26, 2008

The 2008.PRES.OBAMA Intrade contract now trades at 88, whereas the 2008.PRES.McCAIN Intrade contract is currently trading at 12.8 (compared with 86.9 and 13.4 respectively as as reported in my last update on October 25). The state-by-state contracts continue to imply that Mr. Obama holds a 375-163 “lead” over Mr. McCain (based upon my cutoff price

Prediction Markets Update: October 25, 2008

The 2008.PRES.OBAMA Intrade contract now trades at 86.9, whereas the 2008.PRES.McCAIN Intrade contract is currently trading at 13.4 (compared with 87.1 and 13.8 respectively as as reported in my last update on October 23). The state-by-state contracts imply that Mr. Obama holds a 375-163 “lead” over Mr. McCain (based upon my cutoff price point of

Prediction Markets Update: October 23, 2008

The 2008.PRES.OBAMA Intrade contract now trades at 87.1, whereas the 2008.PRES.McCAIN Intrade contract is currently trading at 13.8 (compared with 84.1 and 16.1 respectively as as reported in my last update on October 19). The state-by-state contracts continue to imply that Mr. Obama holds a 364-163 “lead” over Mr. McCain (based upon my cutoff price

Prediction Markets Update: October 19, 2008

The 2008.PRES.OBAMA Intrade contract now trades at 84.1, whereas the 2008.PRES.McCAIN Intrade contract is currently trading at 16.1 (compared with 83.6 and 16.1 respectively as as reported in yesterday’s update). The state-by-state contracts continue to imply that Mr. Obama holds a 364-174 “lead” over Mr. McCain (based upon my cutoff price point of 55 for

Prediction Markets Manipulation, now and in 2004

Yesterday, newly minted Nobel Laureate Paul Krugman pointed out in his New York Times article “Manipulating the future” that evidence had surfaced to the effect (for the 2008.PRES.OBAMA and 2008.PRES.McCAIN Intrade contracts anway) that “… someone … was manipulating the Intrade presidential odds, trying to drive up the price of a McCain win and thereby

Prediction Markets Update (October 18, 2008)

The 2008.PRES.OBAMA Intrade contract now trades at 83.6, whereas the 2008.PRES.McCAIN Intrade contract is currently trading at 16.1 (compared with 77.5 and 23.0 respectively as reported on October 12, which was the the last time I posted an update on the Prediction Markets). The state-by-state contracts imply that Mr. Obama holds a 364-174 “lead” over

Prediction Markets Update (October 12, 2008)

The 2008.PRES.OBAMA Intrade contract now trades at 77.5, whereas the 2008.PRES.McCAIN Intrade contract is currently trading at 23.0 (compared with 77.2 and 23.9 respectively as reported on yesterday’s update). The state-by-state contracts continue to imply that Mr. Obama holds a 353-174 “lead” over Mr. McCain (based upon my cutoff price point of 55 for allocating

Prediction Markets Update (October 11, 2008)

The 2008.PRES.OBAMA Intrade contract now trades at 77.2, whereas the 2008.PRES.McCAIN Intrade contract is currently trading at 23.9 (compared with 78 and 22.6 respectively as reported on yesterday’s update). The state-by-state contracts now imply that Mr. Obama holds a 353-174 “lead” over Mr. McCain (based upon my cutoff price point of 55 for allocating Electoral