The contract face value of CBOT5, 10 and 30-year treasury bonds futures is 10000 USD, and 1% of the contract face value is 1 point, that is, 1 point represents 1000 USD; The minimum price change of 30-year treasury bond futures is 1/32 points, that is, 3 1.25 USD/contract, that is,1000 *1/32 = 31.25 USD; The minimum price change for 5-year period and 10 period is 1/2 of 1/32, that is, 15.625 USD/contract. The quotation format of CBOT long-term treasury bonds futures is "XX-XX", where the number before the "-"space symbol represents how many points, and the number after the number represents 1/32. Among them, there may be 3 digits after the "-"space symbol because the minimum change price of 5-year period and 10-year period is 1/2 of132.