'oscillation' isn't the word I'd use, but I assume the parent is referring to dollar cost averaging: https://www.bogleheads.org/wiki/Dollar_cost_averaging https

'oscillation' isn't the word I'd use, but I assume the parent is referring to dollar cost averaging: https://www.bogleheads.org/wiki/Dollar_cost_averaging https://www.bogleheads.org/wiki/Dollar_cost_averaging