These were the worst performing ETFs of the week.
KOLD — ProShare UltraShort Bloomberg Natural Gas -21.82%
UBR — ProShares Ultra MSCI Brazil Capped -10.71%
BRZU — Direxion Daily MSCI Brazil Bull 2X Shares -10.49%
UVIX — 2x Long VIX Futures ETF -10.14%
YANG — Direxion Daily FTSE China Bear 3X Shares -9.77%