The rupee depreciated 51 paise to an all-time low of 80.47 against the US dollar in early trade on Thursday after the US Federal Reserve's interest rate hike and its hawkish stance weighed on investor sentiments.
At the interbank foreign exchange, the local currency was trading at 80.47 against the dollar, down 51 paise from its previous close. The rupee opened at 80.27 and touched a record low of 80.47 a dollar in initial deals.
Forex traders said the strength of the American currency in the overseas market, a muted trend in domestic equities, risk-off moods and firm crude oil prices weighed on the local unit.
On Wednesday, the rupee declined 22 paise to close at 79.96 against the dollar.