I think the “managers” simply gave the dollar a temporary boost, for whatever reason, starting in Sept, and Gold simply went inverse.
Chart, Gold Sept high: https://finviz.com/futures_charts.ashx?t=METALS&p=d1
Chart, Dollar Sept Low: https://finviz.com/futures_charts.ashx?t=CURRENCIES&p=d1
Not lets think about this. Which one is the leader? Dollar and oil went up together in Sept. Were they just suppressing oil’s climb?