Tag Archives: Market Trading

NewsFutures is the most usable prediction exchange I know of.

Each time I get to trade on a NewsFutures-run prediction market, I have the pleasure of my life. Better than sex. – A Democrat will be elected President in 2008. © NewsFutures – Plus, it’s easy to embed their dynamic … Continue reading

Posted in Exchanges & Markets, Internet Usability, Market Liquidity, Market Prices & Probabilities, Market Trading | Tagged , , , , , , , , , , , , , , , , , | Leave a comment

HubDub question

I did bet $20 on the “yes” side of the CFTC prediction market. But now, I want to sell those this “yes” contract and buy a “no” contract instead. How can I do that on HubDub? Thanks. – UPDATE: Jed … Continue reading

Posted in All Guest Authors's Posts, Exchanges & Markets, Market Trading | Tagged , , , , , , , | 2 Comments

InTrade, TradeSports and BetFair trading … thru your BlackBerry

- InTrade PDA interface TradeSports PDA interface – You can trade on BetFair via BlackBerry: By downloading Betfair Mobile, a Java application available with versions specific to the most popular mobile phones and PDAs; By using your device’s browser, connected … Continue reading

Posted in Exchanges & Markets, Software | Tagged , , , , , , , , , , , , , | 1 Comment

Extreme Prediction Markets & Ethics

While Robin Hanson was busy signing Bob’s petitions and blablabling on philosophy, Jason Ruspini answered the questions. Jason Ruspini (“The Brain”) has established himself as one of the experts in the field of prediction markets. Listen up. – 1-2) These … Continue reading

Posted in Analysis (Meta), Ethics, Exchanges & Markets | Tagged , , , , , , , , , , , | Leave a comment

InTrade’s Software Glitch? – [See Jason Ruspini's comment, at the bottom of the post.]

Here is a beauty from InTrade, 12 hours ago: Bids and Asks at the same price. Looks like the ‘ol InTrade price-matching mechanism is working great. Signed: Deep Throat – - Editor’s Note: Here’s a new screen shot, taken this … Continue reading

Posted in All Guest Authors's Posts, Exchanges & Markets, Market Prices & Probabilities, Software | Tagged , , , , , , , , , , , , | 3 Comments

BetFair Education has now a sub-site within the BetFair blog.

BetFair Education – The navigation is easy —see the menu on the left-side sidebar. I encountered only one 404. They are using Movable Type, and not WordPress, alas. The list of posts is comprehensive. They could have integrated their events … Continue reading

Posted in Betting, Exchanges & Markets, Explainers | Tagged , , , , , , , , , , , | 4 Comments

BetFair’s future bet-matching logic

- SALIENT VIRILITY REGAINED, BRITISH HONOR RESTORED, QUEEN ESCAPES AFFRONT: Astute and resourceful BetFair SEO expert has managed to put one of their sub-sites ahead of Midas Oracle in Google Web Search results. [Nick Garner] – - BetFair’s future bet-matching … Continue reading

Posted in Exchange & Market Designs, Exchanges & Markets, Explainers, Mechanism Designs | Tagged , , , , , , , , , | Leave a comment

The hard questions that BetFair’s Mark Davies ducked

A BetFair trader called Pablo (no deep link): It simply beggars belief that people can have had matched bets removed from their account when nothing has gone wrong. Will there be a new department to judge the fairness of the … Continue reading

Posted in Exchange & Market Designs, Exchanges & Markets, Market Liquidity, Mechanism Designs | Tagged , , , , , , , , , | Leave a comment

David Pennock, a respected expert in prediction markets and market design, discusses some aspects of BetFair’s new bet-matching logic.

David Pennock: Arbitraging bets is the same thing as matching bets. They are equivalent. When someone places a bid at price 10 and someone else places an ask at price 9, there is an “arbitrage” that the exchange eliminates by … Continue reading

Posted in Exchange & Market Designs, Exchanges & Markets, Market Trading, Market Transaction Costs, Mechanism Designs | Tagged , , , , , , , , , , , , , , | 4 Comments

The free but unsollicited piece of advice from the Chairman of the Midas Oracle Advisory Board to the BetFair market designers.

Michael Giberson: Jason, I think the allegation of queue jumping made in some of the comments is based upon a misunderstanding. BetFair is just matching the orders when a match becomes available, not inserting new orders at the front of … Continue reading

Posted in Exchange & Market Designs, Exchanges & Markets, Market Trading, Mechanism Designs | Tagged , , , , , , , , , , , | 8 Comments