The primary margin of gold futures is 30,000 to 50,000 yuan because the margin ratio in the futures market is 20% to 30%, the primary gold futures is1000g, and the current gold price is 380 yuan/gram, so the margin of primary gold futures is 380 yuan/gram1000g/hand 20% = 76,000 yuan, and the integer is 300 yuan.

Futures companies will collect part of the margin, so the actual margin will be higher than the margin stipulated by the exchange, depending on the actual trading situation.