Golden Ten Futures, September 20th, the big exchange on the log futures, options contracts and related rules for public comment. The log futures contract trading code is LG, the trading object is coniferous logs, the trading unit is 90 cubic meters/lot, the minimum price change is 0.5 yuan/cubic meter, the contract limit range is 4% of the settlement price of the previous trading day, the minimum trading margin is 5% of the contract value. The contract month is 1, 3, 5, 7, 9, November, the last ...