Unconventional ways to play the Fed decision

As the Street prepares for big potential moves in stocks and bonds on the Fed's policy announcement, some traders are recommending a look into the lesser-watched corners of the market.

According to Boris Schlossberg of BK Asset Management, one area to watch is commodity-focused currencies, such as the Australian dollar and the New Zealand dollar.

If the Fed delays a rate hike, Schlossberg said, these currencies could see a boost after being "grossly oversold."

The Australian dollar and New Zealand dollar have fallen against the U.S. dollar 12 percent and 18 percent this year, respectively. The U.S. dollar has risen about 6 percent year to date.

"[There's] a chance for a bounce here and a little bit of a fundamental move to the upside could really happen," Schlossberg said Wednesday.

Read More When the Fed raises rates, here's what happens

He said the difference in interest rates between the U.S. dollar and commodity currencies could also prompt a move into carry trades, which involve selling a currency with a low interest rate and buying a currency with a high interest rate to profit off the difference.

"[Commodity currencies] still have some yield, and the carry trade at least for the short term is going to look attractive to speculators," he said Wednesday on CNBC's "Trading Nation."

Another market that stands to gain from prolonged low interest rates is high-yield bonds, especially beaten-down bonds in the energy sector, Schlossberg said. The high-yield bond ETF HYG has fallen 4 percent year to date.

"If the Fed does not hike, it provides a little bit more of a reprieve as far as capital preservation for those companies," he said.

Read MoreThese 8 stocks could be in big trouble if rates rise

Technical analyst Rich Ross of Evercore ISI also suggested a play on energy, specifically in an oil bounce. Although crude is still in a long-term downward trend, Ross says oil's move above its 50-day moving average on Wednesday is a bullish sign.

"I think if those commodity currencies firm, the dollar eases and commodities like crude oil should firm as well," Ross said Wednesday. "I think crude is a great play, energy a nice derivative on the stock side."

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Trading Nation is a multimedia financial news program that shows investors and traders how to use the news of the day to their advantage. This is where experts from across the financial world – including macro strategists, technical analysts, stock-pickers, and traders who specialize in options, currencies, and fixed income – come together to find the best ways to capitalize on recent developments in the market. Trading Nation: Where headlines become opportunities.

Sara Eisen

Sara Eisen joined CNBC in December 2013 as a correspondent, focusing on the global consumer. She is co-anchor of the 10AM ET hour of CNBC's "Squawk on the Street" (M-F, 9AM-11AM ET), broadcast from Post 9 at the New York Stock Exchange.

In March 2018, Eisen was named co-anchor of CNBC's "Power Lunch" (M-F, 1PM-3PM ET), which broadcasts from CNBC Global Headquarters in Englewood Cliffs, N.J.

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