>>20872348As long as it has regularly contango and that the contango gains aren't dwarfed by other movements. So for instance shorting orange juice wouldn't work well, not even over 50 years.
So in other words it's mainly just VIX that has this property of almost always being low but expecting to go higher. Although NatGas works similarly since 2005 although the spikes last a bit longer, but who knows how much longer it will last.