A lot of financial data is of dubious quality. Lot's of spurious data points, mostly in the extremes, just aren't real. Median is useful for many things, but so

A lot of financial data is of dubious quality. Lot's of spurious data points, mostly in the extremes, just aren't real. Median is useful for many things, but sometimes you just have to get rid of the bad data to get a valid mean.