Noda did direct the intervention in August, and investors are confident Japan will act again if there is a need to cool the Japanese yen down.

Rydex CurrencyShares Japanese Yen Trust (NYSEArca: FXY) has gained 9.4% over the past 12 months. [Japanese Yen ETFs Rise to Record Highs]

Rydex CurrencyShares Japanese Yen Trust

Read the disclaimer; Tom Lydon is a board member of Rydex|SGI.

Tisha Guerrero contributed to this article.