Noting strength in Japanese equities, Gartman said that it would continue to strengthen.
"You can actually be short other markets, but you want to be long the Nikkei," he said.
2. The gold trade
"You want to own gold in yen terms," Gartman said, echoing a trade he has long espoused. "It's been a terrible trade for the last year. It's down 7 percent, but if you've owned gold in dollar terms, you're down 35 percent."
Gartman said that one way to own gold in yen terms was to buy, say, GLD, the gold exchange-traded fund and sell an equal amount of a Japanese yen ETF.
Being long the Nikkei, he added, was the same as selling the yen.
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"Do one or the other," Gartman said.
1. Playing a currency-cross
Gartman said that his top trade heading into year-end was to short the yen against the Canadian dollar and the British pound, a trade he had been talking about "for months."
"Just today, it's started to take off again," he said.
—By CNBC's Bruno J. Navarro. Follow him on Twitter