Group 1: Report Industry Investment Rating - No relevant information provided Group 2: Core View of the Report - On Monday, polyolefins closed at the daily limit and fell sharply in the night session. The prices of linear LL and拉丝PP were partially raised by Sinopec and PetroChina. Fundamentally, oil prices tumbled, and the macro - impact on chemicals in the market is fluctuating. Future attention should be paid to the actual start - up of plants and the support of demand at lower levels [2] Group 3: Summary by Related Catalogs Futures Market - **LL Futures**: The previous day's closing prices for January, May, and September contracts were 8718, 9523, and 9312 respectively. Compared with the prices two days ago, they increased by 396, 705, and 708, with percentage increases of 4.76%, 8.00%, and 8.23% respectively. The trading volumes were 6422, 867839, and 306687, and the open interests were 8308, 373237, and 167244, with increases of 1719, 36927, and 10697 respectively. The spreads between January - May, May - September, and September - January were - 805, 211, and 594 respectively, compared with previous values of - 496, 214, and 282 [2] - **PP Futures**: The previous day's closing prices for January, May, and September contracts were 8587, 9793, and 9294 respectively. Compared with the prices two days ago, they increased by 416, 774, and 708, with percentage increases of 5.09%, 8.58%, and 8.25% respectively. The trading volumes were 3977, 1011727, and 250094, and the open interests were 16344, 399150, and 191817, with increases of 944, 37873, and 10086 respectively. The spreads between January - May, May - September, and September - January were - 1206, 499, and 707 respectively, compared with previous values of - 848, 433, and 415 [2] Raw Materials and Spot Market - **Raw Materials**: The current prices of methanol futures, Shandong propylene, South China propane, PP recycled materials, North China powder, and mulch film were 3349 yuan/ton, 9075 yuan/ton, 1159 US dollars/ton, 5600 yuan/ton, 9160 yuan/ton, and 9600 yuan/ton respectively. Compared with the previous values, methanol futures and Shandong propylene prices increased, while South China propane and PP recycled materials remained unchanged, and North China powder price increased [2] - **Spot Market**: In the middle - stream, for LL, the current price ranges in the East China, North China, and South China markets were 8950 - 9700 yuan/ton, 8800 - 9700 yuan/ton, and 9150 - 9700 yuan/ton respectively. For PP, the current price ranges in the East China, North China, and South China markets were 9150 - 9350 yuan/ton, 9100 - 9300 yuan/ton, and 9350 - 9600 yuan/ton respectively. Compared with the previous values, the prices generally increased [2] News - On Monday (March 23), the settlement price of West Texas Intermediate crude oil futures for May 2026 on the New York Mercantile Exchange was $88.13 per barrel, down $10.10 from the previous trading day, a decrease of 10.28%, with a trading range of $84.37 - $101.67. The settlement price of Brent crude oil futures for May 2026 on the London Intercontinental Exchange was $99.94 per barrel, down $12.25 from the previous trading day, a decrease of 10.92%, with a trading range of $96.00 - $114.43 [2]