The efficient market hypothesis is based on the notion that ... In an inefficient market, for example, an investor may have an advantage over other investors due to having information that isn ...

As many examples as there are of return dynamics that ostensibly shouldn't exist if the efficient market hypothesis is true, taking advantage of these as an average investor is another story.

In the efficient market hypothesis (EMH), weak form efficiency ... the market is considered weak form efficient. It's an ...