Looking at the chart, you may be right.
The 50 day and 200 day MA's are not trade-able. Whipsaws galore.
Better to hold a few of the star mining stocks in equal weight, indefinitely. Less volatile as they make money at a variety of prices, just less of it when the commodity price is down, but still make money.
ABX is at 22 I was shocked! At it’s peak 2008 it was above 50.