* Options-related flows bet on dollar downside * Focus on 1st U.S. presidential debate * Dollar could rise if Trump improves chances -analyst * U.S. consumer confidence rises, lifts risk appetite * Graphic: World FX rates in 2020 tmsnrt.rs/2RBWI5E (Recasts, adds new comments, FX table, updates prices, changes byline, dateline; previous LONDON) By Gertrude Chavez-Dreyfuss NEW YORK, Sept 29 (Reuters) - The dollar on Tuesday fell from last week's two-month highs, weighed down by currency flows in the options market as well as for month end, with investors also capitalizing on recent gains in the greenback ahead of the first debate between two U.S. presidential candidates. "Today the market is mostly flows-driven, options-related and month-end flows that have pulled the dollar lower," said Erik Bregar, head of FX strategy at Exchange Bank of Canada in Toronto. There were FX options-related flows that bet on the downside in the dollar versus the yen as well as the upside on the euro against the Japanese currency, Bregar said. The euro/yen options have pulled euro/dollar higher. Some analysts also said investors may also be taking profits on recent dollar gains ahead of the first debate between President Donald Trump and Democratic challenger Joe Biden. The 90-minute televised debate at 9 p.m. EDT (0100 GMT) will be watched by investors looking for guidance on the candidates' prospects. "The debate lurks as a potential catalyst for the dollar, particularly if the president can improve his underdog status," said Steven Jon Colangelo, FX dealer at Western Union Business Solutions. That said FX option traders are not pricing in any significant risk related to the debate. Implied volatility was no higher than it was early Monday, when options expired Tuesday - before the event. In mid-morning trading, the dollar index fell 0.3% to 93.901 , after hitting a two-month peak on Friday. The greenback also added to losses, as investors felt a little more confident getting out of the safe-haven currency after data showed U.S. consumer confidence rebounded more than expected in September, as households' views of the labor market improved. The euro firmed across the board, rising 0.5% against the dollar to $1.1727 and 0.6% versus the yen to 123.84 yen. European Central Bank policymakers are increasingly divided over how to steer Europe's economy through a second wave of COVID-19 infections. The dollar fell to a one-week low against the Swiss franc and was last down 0.5% at 0.92 franc . Markets were also waiting for developments in talks over aid for people affected by the coronavirus in the United States. U.S. House of Representatives Speaker Nancy Pelosi said on Monday Democratic lawmakers were unveiling a new $2.2 trillion fiscal stimulus bill, which she said was a compromise and less costly as it covers a shorter period of time. Sterling, meanwhile, rose on hopes for a Brexit deal and the Bank of England's deputy governor saying he thought the floor for the central bank's key interest rate was 0.1%. The pound was last up 0.4% at $1.2883. ======================================================== Currency bid prices at 10:37AM (1437 GMT) Description RIC Last U.S. Close Pct Change YTD Pct High Bid Low Bid Previous Change Session Euro/Dollar EUR= $1.1728 $1.1664 +0.55% +4.62% +1.1743 +1.1662 Dollar/Yen JPY= 105.5700 105.4900 +0.08% -3.02% +105.7300 +105.3500 Euro/Yen EURJPY= 123.86 123.05 +0.66% +1.57% +124.0100 +123.0300 Dollar/Swiss CHF= 0.9205 0.9244 -0.42% -4.89% +0.9250 +0.9194 Sterling/Dollar GBP= 1.2851 1.2827 +0.19% -3.08% +1.2901 +1.2835 Dollar/Canadian CAD= 1.3392 1.3372 +0.15% +3.13% +1.3396 +1.3352 Australian/Doll AUD= 0.7118 0.7070 +0.68% +1.38% +0.7138 +0.7069 ar Euro/Swiss EURCHF= 1.0797 1.0782 +0.14% -0.51% +1.0801 +1.0781 Euro/Sterling EURGBP= 0.9124 0.9084 +0.44% +7.93% +0.9139 +0.9063 NZ NZD= 0.6585 0.6552 +0.50% -2.24% +0.6596 +0.6551 Dollar/Dollar Dollar/Norway NOK= 9.4483 9.4832 -0.37% +7.63% +9.5060 +9.4229 Euro/Norway EURNOK= 11.0830 11.0634 +0.18% +12.66% +11.0936 +11.0395 Dollar/Sweden SEK= 8.9860 9.0355 -0.08% -3.87% +9.0522 +8.9734 Euro/Sweden EURSEK= 10.5391 10.5480 -0.08% +0.67% +10.5670 +10.5220 (Reporting by Gertrude Chavez-Dreyfuss; Additional reporting by Elizabeth Howcroft in London)
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