The dollar hit an almost three-week low ahead of this week's Federal Reserve meeting, as investors bet interest rates would be held.
The Swiss Franc has recently defied its decade-long safe haven status.
The dollar was lower on Friday in thin, listless trading ahead of next week's Federal Reserve policymaking meeting.
The dollar softened on Thursday as global stock markets turned down.
The dollar rose on Wednesday, following equities rallies on Wall Street, Europe and Asia.
The dollar was mixed as rising stock markets and positive German economic data gave global investors reasons to throttle down the risk aversion.
The dollar clawed back some of the ground it had lost against the yen on Monday, after skidding on mixed U.S. employment data.
The dollar stood lower on Friday as data showing U.S. unemployment in August at its lowest since 2008.
The euro fell 1 percent on Thursday, surrendering most of the solid gains put up against the dollar.
The dollar rose on Wednesday as fragile global stock markets steadied.
Nick Bennenbroek, Wells Fargo Securities, shares his outlook on currencies and the Chinese yuan.
Richard Perry, market analyst at Hantec Markets, says selling pressure on the Canadian dollar is starting to slow.
The yen and the euro rose on concerns about China, as investors unwound bets against the two currencies used to fund holding riskier assets.
The dollar lost ground against the yen and the euro as global stock markets began the week in the red, prompting investors to trim bets.
The dollar rose to one-week highs on Friday.
The dollar advanced for a third consecutive session on Thursday, bolstered by data showing a much stronger U.S. economy.
The dollar rallied for a second straight session on Wednesday.
The dollar rose on Tuesday, earning a breather from a slide to seven-month lows against the yen as U.S. Treasury bond yields climbed higher.
The euro hit a 6 1/2-month high and the yen struck a peak against the dollar as investors flocked to safe haven currencies.
Following calls for parity against the dollar just a few months ago, the single currency is now one of the few assets in the world rallying.