Yes, it seems to be a marvelous formula.
However, to say that it cost VERB nada, might be an overstatement.
I am just sitting here wondering what if after a Market event no one bought anything. What was VERB input cost?

Anyway, it is a great day for us longs.
I bought many a thousands more shares since it fell below a $1.
Now I just wish I had bought more.

GLTA