The Betfair exchange, Inefficient efficiency

One of the questions that people often ask me is whether the markets are easier to trade than they were 10 or 20 years ago? Are the markets following efficient market theory on the Betfair exchange, so are they more efficient now? Eugene Fama was ‘famous’ for the efficient market hypothesis, though his work was mainly aimed at…

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How bookmakers make money

Back when, ‘I was but lad’, I stumbled into the world of bookmakers.

I arrived there via the football pools and thought I’d apply similar techniques at the bookmakers. But I soon realised there were a few problems doing this.


The first problem I had was getting the bet on, I couldn’t really bet in the size I wanted without being limited. Secondly, I could only do plain old vanilla betting. If I tried something more complex I’d often …