宏观利好提振，盘面止跌反弹

Report Industry Investment Rating - Not provided Core Viewpoints - The Central Financial and Economic Work Conference determined the economic direction. With the improvement of market sentiment boosted by macro - policies, the polyolefin market stopped falling and rebounded. However, the current weak supply - demand fundamentals provide insufficient support for prices [3]. - For PE, the supply is expected to be loose and the demand is weak, with high inventory pressure and limited oil - based cost support. The short - term fundamentals are difficult to be substantially boosted, and the rebound space is limited [3]. - For PP, the supply is expected to remain high, the demand follow - up is insufficient, the inventory level is high, and the cost support is weakened. The short - term rebound drive is limited, and attention should be paid to cost and supply changes [4]. Summary by Directory Market News and Important Data - Price and Basis: L主力合约收盘价为6557元/吨（+71），PP主力合约收盘价为6254元/吨（+125）；LL华北现货为6500元/吨（+0），LL华东现货为6580元/吨（+0），PP华东现货为6200元/吨（+0）；LL华北基差为 - 57元/吨（-71），LL华东基差为23元/吨（-71），PP华东基差为 - 54元/吨（-125） [1]. - Upstream Supply: PE开工率为84.1%（+0.1%），PP开工率为78.3%（+0.7%） [1]. - Production Profit: PE油制生产利润为183.5元/吨（-105.5），PP油制生产利润为 - 436.5元/吨（-105.5），PDH制PP生产利润为 - 817.3元/吨（+75.2） [1]. - Import and Export: LL进口利润为 - 112.2元/吨（-116.8），PP进口利润为 - 322.4元/吨（-26.9），PP出口利润为 - 10.6美元/吨（+3.4） [1]. - Downstream Demand: PE下游农膜开工率为46.4%（-1.7%），PE下游包装膜开工率为49.6%（-0.6%），PP下游塑编开工率为44.1%（+0.0%），PP下游BOPP膜开工率为62.9%（+0.3%） [2]. Market Analysis - PE: Supply side, in December, the overall PE maintenance volume is not high, and the planned maintenance volume in the future is also relatively limited. The PE start - up is expected to continue to rise, and a new 500,000 - ton FDPE device of BASF is expected to be put into operation at the end of the year, so the supply pressure is continuous. Demand side, the overall downstream start - up of PE continues to decline, with the agricultural film start - up entering the off - season, and the demand for packaging film also weakening. Inventory side, although the PE social inventory is decreasing, the absolute inventory levels of LL and LD are still high, and the inventory pressure is expected to be large. Cost side, the oil price trend is weak, and the oil - based cost support is relatively limited [3]. - PP: Supply side, the previously shut - down enterprises are gradually restarting, the planned maintenance volume is relatively small, and the supply is expected to remain high. Demand side, the downstream demand start - up of BOPP, plastic weaving, etc. is okay, but the downstream replenishment is cautious. Inventory side, the overall inventory level is still high. Cost side, the international oil price is weak, and the cost support of PDH is weakened. The short - term rebound drive is limited, and attention should be paid to cost and supply changes [4]. Strategy - Unilateral: Wait and see [5]. - Inter - period Spread: Go long on the L05 - 09 inter - period spread when it is low; go long on the PP05 - 09 inter - period spread when it is low [5]. - Inter - variety Spread: Short the L05 - PP05 spread when it is high [5].