Certainly, there's no consensus on when commodities will come out of a steady decline that's gone on since last year.
Analysts at Credit Suisse wrote last week that until Chinese demand and emerging market currencies find a floor, there's no way to predict a base for commodity prices. Credit Suisse analysts pointed to iron ore as facing the greatest downside while copper is expected to hover around the top end of the cost curve until the market moves back into deficit.
That said, Gartman said he thinks investors should expect several months of bottoming, confusion, undue bearishness in the news media, and a repeated testing of lows.
Still, Gartman said that investors should mentally prepare themselves to be buyers of commodities as opposed to sellers, adding that they should be getting ready to own copper, steel, crude oil and grains.