The U.S. dollar traded mixed to lower against the most major currencies. The greenback was supported by the demand for the U.S. currency. Investors speculate that the Federal Reserve will hike its interest rate sooner than expected.

The euro traded higher against the U.S. dollar in the absence of any major reports from the Eurozone.

The European Central Bank (ECB) released its interest rate decision last Thursday. The ECB kept its monetary policy unchanged. The ECB President Mario Draghi said that the central will add further unconventional measures stimulus measures, if needed. Investors are sceptical whether the stimulus measures by the ECB will be enough to boost inflation and economy in the Eurozone.

The British pound traded higher against the U.S. dollar in the absence of any major reports from the U.K.

The pound fell against the greenback after the weaker-than-expected economic data from the U.K. last week. The Bank of England (BoE) released its interest rate decision last Thursday. The BoE kept its monetary policy unchanged. Investors speculate the central bank could delay its interest rate hike due to recently weaker-than-expected economic data.

The Canadian dollar rose against the U.S. dollar in the absence of any major economic reports from Canada. Falling oil prices weighed on the loonie.

The New Zealand dollar increased against the U.S. dollar in the absence of any major economic reports from New Zealand.

The Australian dollar climbed against the U.S. dollar. In the overnight trading session, the Aussie traded lower against the greenback after the weak economic data from Australia. The National Australia Bank's business confidence index fell to 4 in October from 5 in September.

Australia's house price index was up 1.5% in the third quarter, missing expectations for a 1.6% rise, after a 1.9% increase in the second quarter. The second quarter's figure was revised up from a 1.8% gain.

The Japanese yen traded mixed against the U.S. dollar. In the overnight trading session, the yen dropped against the greenback on speculation Japan's Prime Minister Shinzo Abe may postpone a planned sales-tax increase.

Japan's adjusted current account surplus widened to ¥414.4 billion in September from ¥130.8 billion in August, beating expectations for a decrease to ¥3.0 billion.