Global Commodity Price Index versus SPX

Commodities are basic good used in commerce of primary origin, produced on a large scale and used as raw materials by various economic agents.

Examples are soy, corn, cotton, meat, oil, natural gas, wood and water.
They are classified, according to their origin, into agricultural, livestock, mineral and environmental.
Its main function is the supply of raw materials for the production of industrialized goods.
Its commercialization works, according to the international market, through negotiations carried out on stock exchanges.
They are of paramount importance for the supply of primary goods for the functioning of society.
(Mundo Educação - UOL)

This index represents the benchmark prices which are representative of the global market.
They are determined by the largest exporter of a given commodity.
Prices are period averages in nominal U.S. dollars.
(fred.stlouisfed.org/series/PALLFNFINDEXQ)

This index is at an all-time high, due to the high cost of energy and the world apocalyptic scenario.
The Stochastic RSI on the monthly chart is about to cross downwards.
Allied to this, the correlation with SPX is decreasing, which could indicate an important moment.
Historically, when these two technical events happened (stochastic crossing down and correlation falling), there was a sharp drop in SPX.
This can be seen in the red circles.