The interest rate options introduced by the foreign exchange trading center are interest rate swap options linked to LPR 1Y/LPR5Y, and the upper and lower interest rate options are European options. The trading mode is over-the-counter trading, and the trading center provides two trading modes: dialogue quotation and click trading. The trading hours of this interest rate option: like other varieties, every Monday to Friday from 9: 00 to 12: 00, 13: 30 to 17: 00.