iPath S&P 500 VIX Short-Term Futures ETN (VXX)

[risk on]

Hey, they even were told by Alan Greenspan while fed chair that the market was way overvalued in his now famous congressional address where he coined the phrase to describe the behavior : " irrational exuberance " .

When do most buy? At the top out of irrational exuberance , aka greed.

When do most sell? At the bottom out of irrational fear.