REX Shares is launching two new VIX exchange-traded products on Tuesday in what is likely to be the most important VIX ETP launch in several years. The REX VolMAXX Long VIX Weekly Futures Strategy ETF (VMAX) is the long volatility product, while the REX VolMAXX Inverse VIX Weekly Futures Strategy ETF (VMIN) is the short volatility sibling.