Capital outflows, in small lots, also weighed on the rupee while rally in domestic equities restricted the rupee fall to some extent, a forex dealer said.
The rupee opened flat at 64.50 against yesterday's closing of 64.52 per dollar at the Interbank Foreign Exchange (Forex) Market here today.
The domestic currency hovered in a range of 64.58 and 64.50 during morning deals before quoting at 64.54 per dollar at 1025 hours.
Overseas, the dollar pulled away from a five-month low versus the yen at Asian trade today, with comments from US Treasury Secretary Steven Mnuchin and higher debt yields giving the bruised greenback some breathing space.
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Still, the dollar was capped by nervousness about today's economic dialogue between the United States and Japan.
Lingering worries about North Korea and the coming French presidential elections also kept a lid on the dollar against the safe-haven yen.
Meanwhile, the benchmark Sensex was trading up by 254.68 points, or 0.87 per cent, to 29,668.34 at 1030 hours.
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