Brent crude futures rose 22 cents to $61.01 a barrel, after tumbling 5.9% and hitting a low of $60.50 on Tuesday. West Texas Intermediate (WTI) crude futures added 17 cents to $57.93, having lost 6.2% the previous day.
Under a policy dubbed yield curve control, the BOJ targets short-term interest rates at -0.1% and the 10-year bond yield around 0%. It also buys risky assets such as exchange-traded funds (ETF) as part of efforts to fire up inflation.
Mobility restrictions were largely lifted in early January after New South Wales state controlled the small virus outbreak, suggesting the outlook is better for January, economists said.
International borders remain shut, however, while small virus outbreaks in parts of the country from time to time has led to an uneven and bumpy economic recovery.
Since Britain voted to leave the EU in 2016, a range of businesses in finance, information technology, media, and health have moved their head office from London to Amsterdam.