大商所：线型低密度聚乙烯、聚氯乙烯、聚丙烯月均价期货将上市交易

Core Viewpoint - The Dalian Commodity Exchange has announced the launch of monthly average futures for linear low-density polyethylene, polyvinyl chloride, and polypropylene, set to begin trading on October 28, 2025 [2]. Listing and Trading Details - The trading of the three chemical monthly average futures will commence on October 28, 2025, at 21:00, with a pre-trading session from 20:55 to 21:00 [2]. - The first batch of contracts for linear low-density polyethylene includes L2602F, L2603F, and L2604F [3]. - The first batch of contracts for polyvinyl chloride includes V2602F, V2603F, and V2604F [4]. - The first batch of contracts for polypropylene includes PP2602F, PP2603F, and PP2604F [5]. Pricing and Margin Requirements - The listing benchmark price for the three chemical monthly average futures contracts will be based on the settlement price on October 28, 2025 [6]. - The trading margin ratio and price fluctuation limits for the three chemical monthly average futures will align with the corresponding contracts [6]. Trading Features - The three chemical monthly average futures will support arbitrage trading instructions, including same-species inter-period arbitrage and cross-species arbitrage [7]. - The trading fee for the three chemical monthly average futures is set at 1 yuan per contract, with a hedging transaction fee of 0.5 yuan per contract [8]. Reporting and Limits - Daily settlement will include the publication of relevant transaction volume and open interest for the contracts [12]. - The trading limits for linear low-density polyethylene contracts are set at 8,000 lots, for polyvinyl chloride at 18,000 lots, and for polypropylene at 10,000 lots [13]. - The position limits will follow the Dalian Commodity Exchange's risk management regulations, with specific limits based on the time period [14].