The Betfair exchange – Getting more and less efficient at the same time!

One of the questions that people often ask me is whether the markets easier to trade than they were 10 or 20 years ago and are the markets on the Betfair exchange more efficient or less efficient now. The answer is an odd one.

Are the markets efficient?

If you ask me, are the markets more efficient? I can say to you yes and no because, curiously, as the markets have evolved both situations have transpired at exactly the same …