The New York Mercantile Exchange (NYMEX): NYMEX is one of the largest gold futures exchanges in the world and also provides gold options trading services.
Chicago Mercantile Exchange (CME): CME is also one of the largest commodity futures exchanges in the world, providing gold options trading services.
Shanghai Futures Exchange (SHFE): SHFE is the main commodity futures exchange in Chinese mainland, and also provides gold options trading services.
Hong Kong Stock Exchange (HKEx): HKEx provides gold options trading services, and the opening hours of the exchange are the same as those of the international market.
It should be noted that there may be some differences in trading rules and fees of different exchanges. Investors should choose their own trading venues and understand the relevant rules and fees.