These were the worst performing ETFs of the week.
UVIX — 2x Long VIX Futures ETF -24.46%
UVXY — ProShares Ultra VIX Short-Term Futures ETF -19.16%
SPKY — ConvexityShares Daily 1.5x SPIKES Futures ETF -18.76%
NRGD — MicroSectors U.S. Big Oil Index -3X Inverse Leveraged ETN -17.55%
BZQ — ProShares UltraShort MSCI Brazil Capped -16.98%