美伊冲突扰动供给，PVC价格大幅拉升

1. Report Industry Investment Rating - The investment view is bullish, suggesting a long - term positive outlook for PVC due to potential supply shortages caused by the US - Iran conflict and limited global capacity expansion [3]. 2. Core View of the Report - The US - Iran conflict has disrupted the supply of PVC, leading to a significant increase in prices. The supply - demand fundamentals of the domestic PVC market are under pressure, but in the long - term, the supply situation is expected to improve as capacity exits the market. The report recommends a long - term bullish investment strategy [3][6]. 3. Summary by Relevant Catalogs 3.1 Main Views and Strategy Overview - Supply: The supply situation is bearish. The domestic PVC spot market has a narrow adjustment, with an oversupply situation that is difficult to change in the short - term. The capacity utilization rate of PVC production enterprises decreased slightly, and the maintenance loss increased. The US - Iran conflict may cause raw material shortages in the ethylene - based process, leading to potential large - scale production halts [3]. - Demand: The demand situation is bearish. The pre - sales of PVC production enterprises decreased, and although the start - up rates of downstream industries such as pipes and profiles increased, the overall demand is still in the off - season [3]. - Inventory: The inventory situation is neutral. The social inventory increased, while the factory inventory decreased due to the resumption of logistics after the holiday [3]. - Basis: The basis is neutral, showing a weakening trend [3]. - Profit: The profit situation is neutral. The profit of the calcium carbide - based process increased, while that of the ethylene - based process decreased [3]. - Valuation: The valuation is bullish. The price is at a historical low, indicating a low valuation [3]. - Macroeconomic Policy: The macroeconomic policy is bullish. Geopolitical conflicts have intensified, increasing risk - aversion sentiment [3]. - Investment View: The investment view is bullish. In the long - term, due to limited global PVC capacity expansion and potential supply shortages caused by the US - Iran conflict, the outlook is positive [3]. - Trading Strategy: The trading strategy suggests going long on PVC at low prices and conducting a 5 - 9 positive spread arbitrage [3]. 3.2 Futures and Spot Market Review - Market Trend: The PVC powder market rose this week. The US - Iran conflict led to a shortage of ethylene supply, and ethylene - based factories may face large - scale production halts. The supply pressure increased, and the demand needs time to recover. The domestic PVC spot market is under pressure, and the impact of geopolitical conflicts on ethylene - based PVC should be monitored [6]. - Price Spread: The price spread widened, and PVC maintained a contango structure [9]. 3.3 PVC Supply - Demand Fundamental Data - Production: After the end of maintenance, the production in the northwest region is high. The output of different regions shows different trends [35]. - Inventory: The factory inventory increased, while the social inventory decreased [43]. - Demand: The downstream demand is in the off - season, and the start - up rates of downstream industries are at a relatively low level [61]. - Export: The export rush has slowed down. Although India's policies have a positive impact on exports, the approaching cancellation of export subsidies in April has led to a slowdown in export behavior [82].