Asian currencies traded in tight ranges on Friday as investors remained on edge amid talks of escalation in the Middle East conflict, while thin liquidity due to the Good Friday holiday kept moves subdued.

U.S. oil prices settled more than 11% higher and Brent soared nearly 8% on Thursday in volatile trading, as traders worried about prolonged disruptions to oil supply the day after President Donald Trump said the United States would continue attacks on Iran.

The U.S. dollar rose on Thursday, boosted by its status as a safe haven asset after President Donald Trump signaled further escalation in the U.S. operation against Iran.

The United Arab Emirates’ non-oil private sector activity expanded at its weakest pace in nearly four years in March as the Middle East conflict hit demand and disrupted supply chains, a business survey showed on Friday.

Japanese and South Korean equities rose in thin holiday trade on Friday with strength in technology shares, while investors watched for updates in the ongoing U.S.-Iran war.