The greenback soared to a three-year high of 102.99 against a basket of currencies in March, before ending the year at 89.96, down 6.77pc on the year and 12.65pc from its March high.
The Moscow Exchange will be closed for four days from Dec. 31 to Jan. 3, but many traders will be away from their desks for longer as Russia's holiday season ends on Jan. 11.
Three-month copper on the London Metal Exchange rose 1.4% to $7,898.50 a tonne by 0239 GMT, while the most-traded February copper contract on the Shanghai Futures Exchange was almost flat at 58,720 yuan ($8,991.65) a tonne.
“I think that with the infection rate still souring the US economy is still a vulnerable economy and is likely to experience further lockdown,” predicted Roach.
Mitsuo Imaizumi, chief FX strategist at Daiwa Securities in Tokyo, expects the pound and euro to decline against the dollar, reaching $1.30 and $1.15 respectively by the end of the summer.