The code arrangement of WTI crude oil futures follows the following rules: CLF corresponds to 1 month contract, CLG corresponds to February contract, and so on, as follows:

Clf 65438+ October

Clg February

Clh March

Clj April

Clk can

Clm June

Cln month

Clq August

Crewe September

CLV 10 month

CLX 1 1 month

Clz 65438+ February

Add the last digit of the expiration year after the contract, then add the space and the last digit of the expiration year of the contract.