WTI Crude Oil is selling off this week, API reported 5 million-barrel rise in crude supply LINK
EIA reported a build of 6.7 million bbl LINK
$GASO $UCO weekly chart seems to be making a similar bottom to that of last year May/June period Chart
One could trade $SCO here shorting crude, but be nimble. ITZ is looking to re-enter $UCO very soon.
click on chart to expand image