The dollar gave up its initial gains on Tuesday as the last days of the contentious US presidential campaign draw closer which overshadowed other major market events, and forex investors weighed the latest concerns about an FBI investigation into Hillary Clinton's use of a private email server.
Both the Bank of Japan and the Reserve Bank of Australia held policy steady as expected. The yen was little impacted with policy decision but the Aussie bounced back to last week's highs.
AUD/USD rose to 0.7673, up more than 0.8 percent, following the central bank's decision to keep its cash rate steady at 1.5 percent as the money market priced in only a minor possibility of a move at the next meeting in December.
The RBA said the economy was expected to grow near potential over the next year as it assesses the impact of past cuts in August and May.
USD/JPY edged slightly higher above 105. The dollar was up slightly on the day but still shy of Friday's three-month high of 105.54. It gained more than 3 percent for the month of October, even after dropping on the news of the Clinton email developments.
Next week's US presidential election remained the biggest event hurdle investors faced, as some fear an unexpected outcome could prompt the Federal Reserve to delay a rate hike beyond the expected year-end date.
EUR/USD jumped up to 1.0990 after trading lower by 0.2 percent at 1.0960.
GBP/USD was up marginally to 1.2250 but was underpinned by news that Bank of England Governor Mark Carney said he would stay in his job for an extra year, until the end of June 2019.
