VXX has a market cap of $1.6 billion, according to issuer Barclays.
The volatility-linked ETN is among the 10 top-selling exchange traded products this year with a $2.9 billion inflow, according to IndexUniverse flow data. [The 10 Best-Selling ETFs of 2012]
iPath S&P 500 VIX Short Term Futures ETN
Full disclosure: Tom Lydon’s clients own VXX.