Guangzhou Futures Exchange: Starting from the start of trading on December 29, 2025, non-futures company members or clients shall not open more than 300 lots of positions per day in platinum futures contracts PT2606, PT2608, PT2610, and PT2612, respectively, and shall not open more than 300 lots of positions per day in palladium futures contracts PD2606, PD2608, PD2610, and PD2612, respectively.