Canadian dollar rose against its US counterpart as investors pick up risk assets while oil prices power up, underpinning loonie.
The US dollar index shed 0.1% to 96.96, with an intraday high at 97.2, and a low at 96.8.
Investors are avoiding safe havens amid market optimism that Congress and the White House will reach a deal in time to fund the government.
As of 15:41 GMT, US West Texas rose 1.9% to $53.4 a barrel, with a session-high at $54.05, and a low at $52.2.
Brent rose 2.1% to $62.7 a barrel, with an intraday high at $63.3 a barrel, and a low at $61.5.
CAD/USD rose 0.3% to 0.7542 as of 15:52 GMT, with a session-high at 0.7555, and a low at 0.7506.