World oil prices were volatile during the last trading day.
Brent oil futures for January delivery fell by 0.12%, $ 82.21 a barrel.
Meanwhile, WTI January futures rose by 0.13%, $ 78.6 a barrel.
Under agreements with the United States, Japan will sell oil from strategic reserves to stabilize the market.
The decision to sell oil from strategic reserves was also made by the US and India.
The United States has asked several Asian countries to release strategic oil reserves in order to put pressure on OPEC and reduce oil prices on world markets. Joseph Biden's coalition is trying to lower world oil prices by selling state supplies.
