Not exact matches
While an inverse product will go up if the market falls, the return is
calculated on a daily basis, not
over a
long period of
time as it would be with a standard ETF.
In advertisements and other marketing materials, they have
calculated how much people spend annually and then
over long periods of
time, like 10 years, to pinpoint what they consider to be an easy way for consumers to free up some home budget space.
Climate models are what happens when you
calculate changes
over a
long enough
period of
time for the fluctuations in weather to average out so that you can see the underlying trend.
If
over a
long period of
time that portion of the ocean accumulates heat, then the index (a statistic
calculated from temperatures and pressures) running mean will change
over that
time span.