New Delhi, Jan. 23 -- The US dollar has witnessed heightened volatility this week amid uncertainty and unpredictable US policymaking. The dollar is poised for its worst week since June as unpredictable US policymaking weighed on the currency.

The dollar index, which measures the US currency against six units, was at 98.366 after dropping 0.58% in the previous session, on course for a 1% slide, its worst weekly performance since June 2025.

Sentiment remained under pressure due to changing geopolitical developments. US President Donald Trump said he had secured access to Greenland through a deal with NATO, while backing off earlier tariff threats against Europe and ruling out the use of force to take the Danish autonomous territory.

Poli...