PTA期货的最后交易日是什么时候

Core Viewpoint - The last trading day for PTA futures contracts is the 10th trading day of the delivery month, with specific rules for individual clients regarding position limits and mandatory liquidation [1]. Group 1: Trading Rules - The last trading day for the PTA2505 contract (May 2025) is May 14, 2025, which is the 10th trading day of May [1]. - Individual clients are prohibited from holding positions into the delivery month, requiring them to liquidate all positions before the first trading day of the delivery month [1]. - If individual clients fail to close their positions, the exchange will enforce a forced liquidation on the first trading day of the delivery month [1]. Group 2: Operational Recommendations - Non-delivery intention clients are advised to roll over to a later month contract 5-7 trading days before the last trading day to avoid excessive slippage due to decreased liquidity [2]. - Sellers intending to deliver must submit a delivery application through the member service system by 2:30 PM and ensure that the warehouse receipt is in an "available" status (not pledged or offset) [2]. - Buyers participating in rolling delivery must transfer sufficient funds to the margin account before the close of the pairing day [2]. - It is recommended to check the trading calendar published by Zhengzhou Commodity Exchange at the beginning of each month to confirm specific dates, especially if there are public holidays that may affect trading days [2].