Using the results of 1068 different golf, tennis, and track & field (in particular: running) events, this paper examines the relation between athlete performance and stock returns of firms endorsed by athletes. We find that a tournament victory is associated with significant and positive...

I document that momentum trading strategies are significantly profitable in an intragame NBA sports betting market. The momentum profits appear to be the result of market underreaction to news, but I find no evidence that the underreaction is driven by the psychological biases that form the...