[Guangzhou Futures Exchange: Adjust the price limit range and trading margin standard of relevant futures contracts during the National Day holiday] On September 21, the Guangzhou Futures Exchange announced that starting from the settlement on September 29, 2026 (Tuesday), the price limit range of the industrial silicon futures contract will be adjusted to 10%, the margin standard for speculative trading will be adjusted to 12%, and the margin standard for hedging trading will be adjusted to 11%; the price limit range of the polysilicon futures contract will be adjusted to 1 1%, the margin standard for speculative transactions is adjusted to 15%, and the margin standard for hedging transactions is adjusted to 15%; the price limit for lithium carbonate futures contracts is adjusted to 15%, the margin standard for speculative transactions is adjusted to 17%, and the margin standard for hedging transactions is adjusted to 16%; the price limits for platinum and palladium futures contracts are adjusted to 16%, and the margin standards for speculative transactions and hedging transactions are adjusted to 18%.