The Canadian dollar strengthened to a nine-day high ⁠against its ​U.S. counterpart on Wednesday as oil prices jumped and the Federal Reserve left interest rates on hold.

The loonie was trading 0.6% higher at 1.4024 per U.S. dollar, or 71.31 U.S. cents, marking ​its strongest level since July 20.

The ‌Fed left its benchmark interest rate in the 3.50%-3.75% range, a choice that may intensify questions about how U.S. central bank chief Kevin Warsh will deliver on his commitment to bring inflation back down to the ‌2% ​target.

“American monetary policymakers opted ‌for a wait-and-see approach instead of shock-and-awe,” Royce Mendes, head ​of macro strategy at Desjardins, said in a ⁠note.

Investors had priced in a roughly one-in-three ⁠chance of a hike. The U.S. dollar weakened against a basket of major currencies ​after the policy announcement.

The price of oil, one of Canada’s major exports, settled 6.6% higher at $84.46 a barrel as major airstrikes resumed in the Middle East and dashed hopes for an imminent end to the U.S.-Israeli war ⁠with Iran.

Canada is a major producer of oil, much of which goes to the United States. Prime Minister Mark Carney played down the idea of curbing supplies to the U.S. to gain leverage in a trade war, saying that would harm ⁠Canada’s reputation.

The Bank of Canada ​also left interest rates on hold this month. Ahead of the decision, ⁠governors were split over the sustainability of the economic recovery, minutes of the meeting showed.Canadian GDP data, due on Friday, is expected to show the economy expanding ​by 0.2% in May from April.

Canadian bond yields were mixed across a steeper curve, tracking moves in U.S. Treasuries.

The 2-year eased 1 basis point to ​2.840%, while the 10-year was up 4 basis points at 3.571%.

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