The Indian rupee appreciated 8 paise to 73.75 against the US dollar in opening trade on Tuesday, tracking positive domestic equities.
Forex traders said rupee is trading in a narrow range as weakness of Asian currencies, firm crude oil prices and strong dollar weighed on the domestic unit.
At the interbank foreign exchange, the rupee opened at 73.79 against the dollar, then edged higher to 73.75, up 8 paise over its previous close.
On Monday, the rupee had settled at 73.83 against the US dollar.
Meanwhile, the dollar index, which gauges the greenback''s strength against a basket of six currencies, rose 0.06 per cent to 93.44.
The Indian rupee opened on a flat note this Tuesday morning against the dollar, tracking the strength of the greenback and strong crude oil prices, Reliance Securities said in a research note.
Moreover, most emerging market and Asian currencies have started weaker this Tuesday morning and will weigh on sentiments, the note added.
Meanwhile, foreign institutional investors were net sellers in the capital market on Monday as they offloaded shares worth Rs 594.63 crore, as per exchange data.
On the domestic equity market front, BSE Sensex was trading 16.19 points or 0.03 per cent higher at 60,094.07, while the broader NSE Nifty advanced 24.75 points or 0.14 per cent to 17,879.85.
Meanwhile, global oil benchmark Brent crude futures rose 0.79 per cent to $80.16 per barrel.
