伊朗地缘持续下，哪些化工品仍有机会？

Core Viewpoint - Since early March, the geopolitical conflict in Iran has led to a significant increase in crude oil and chemical sectors, driven by rising energy costs and supply disruptions [3][7][34]. Group 1: Geopolitical Impact - The first round of impact comes from direct disruptions in Middle Eastern exports, while the second round involves increased shipping costs due to interruptions in Asian crude oil supply, affecting refinery loads across Asia [3][7][34]. - The closure of the Strait of Hormuz, which accounts for 43.5% of China's crude oil imports, poses a substantial risk to domestic oil and refinery supply [8][7]. - The supply impact varies by chemical product, with methanol and polyethylene being notably affected, while the overall supply reduction is estimated to exceed 15% for certain chemicals [7][12][34]. Group 2: Supply and Demand Dynamics - The core influencing factor remains the contraction of supply, with a need to assess demand elasticity and potential delivery dynamics [3][12][34]. - Current estimates suggest that the reduction in Middle Eastern capacity and a 10% decrease in Asian refinery loads could significantly impact domestic supply levels [13][34]. - The demand elasticity for certain chemicals, such as pure benzene and styrene, remains high due to their downstream applications in high-value goods, which exhibit a greater tolerance for price increases [22][31][34]. Group 3: Investment Strategy - The recommendation is to go long on pure benzene, styrene, PX, PTA, and ethylene glycol, with a focus on cost areas based on SC pricing [4][35]. - PX and PTA are highlighted as having greater rebound potential, while ethylene glycol's elasticity will depend on the evolution of supply issues [4][35]. - The overall assessment indicates that pure benzene, styrene, and PX have significant rebound potential, while ethylene glycol and chlor-alkali products are currently undervalued and may experience price corrections [32][34].