The U.S. dollar traded mixed to higher against the most major currencies despite the weaker-than-expected U.S. existing home sales. Existing home sales fell 1.8% to a seasonally adjusted 5.05 million units in August from 5.14 million units in July. July's figure was revised down from 5.15 million units. Analysts had expected existing home sales to increase to 5.21 million units.

The greenback remained supported by speculation the Fed will start to hike its interest rate sooner than expected.

The euro declined against the U.S. dollar after comments by the European Central Bank President (ECB) Mario Draghi. Draghi said at the EP's Economic and Monetary Affairs Committee today the economic recovery in the Eurozone is slowing and geopolitical tensions could hurt business and consumer confidence. He reiterated inflation will remain at low levels over the coming months, before increasing during 2015 and 2016 and the ECB is ready to implement additional unconventional instruments.

Germany's Bundesbank released its monthly report today. Bundesbank said the country's economy remains robust. Bundesbank added that the general economic trend will stay positive despite the slowing pace of expansion in the first half of 2014.

Consumer confidence in the Eurozone fell to -11.4 in September from -10 in August, missing expectations for a decline to -11.

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

The New Zealand dollar traded mixed against the U.S dollar. The kiwi was supported by the election's outcome. New Zealand's ruling National party won a parliamentary majority on Saturday.

The Westpac consumer confidence index for New Zealand declined to 116.7 in September from 121.2 in August.

The Australian dollar traded mixed against the U.S. dollar in the absence of any major economic reports from Australia. In the overnight trading session, the Aussie hits 6-month low against the greenback.

The Japanese yen traded mixed against the U.S. dollar in the absence of any major economic reports from Japan.