SunSirs: Natural Rubber: Weather Expectations Drive Medium-to-Long-Term Trends
From late May through early June, the domestic natural rubber market has continued to experience wide fluctuations at high price levels. The overall landscape is characterized by a short-term increase in supply and weak end-user demand, contrasted with persistent expectations of production cuts in the medium-to-long term due to extreme weather. As Southeast Asian production regions enter their peak season—coinciding with the traditional off-season for domestic downstream industries—spot prices lack upward momentum; however, weather disruptions and raw material cost support prevent any significant price decline, resulting in a market caught between weak current realities and strong future expectations. This analysis provides a comprehensive overview of the current market, incorporating spot price quotes, production and inventory data, import/export figures, weather impacts, and industry chain dynamics.
As of June 9, the SunSirs benchmark price for natural rubber stood at 17,516.67 RMB/ton. While the price saw a slight intraday decline—bringing the cumulative drop since the beginning of the month to 1.36%—it remains within a high range for the year. Regionally, East China—the nation's core distribution hub—saw mainstream spot transactions for standard rubber range between 17,400 and 17,650 RMB/ton; market circulation was normal, with traders quoting based on prevailing rates, though high-priced transactions remained sluggish. Quotes in South China production areas and surrounding markets were largely on par with East China; local rubber supplies moved according to demand, and regional price differentials were minimal. Ex-factory prices in major domestic production areas like Hainan and Yunnan were slightly lower, ranging from 17,350 to 17,550 RMB/ton, with rubber farmers and processing plants maintaining a steady approach to sales. Across all regions, trading was dominated by small-volume transactions driven by immediate needs; there was a lack of large-scale stockpiling, and overall market activity remained subdued.
II. Domestic Production, Port Inventories, and Supply Status
Domestic natural rubber production areas have been affected by high temperatures and drought, limiting the latex yield efficiency of rubber trees; consequently, monthly production has remained stable without significant increases. While the pace of domestic capacity utilization has been steady, the scale of local production capacity remains limited, meaning market supply continues to rely heavily on imports. Regarding inventory, stocks in major domestic bonded zones and general ports have undergone structural changes; the previous trend of continuous accumulation has halted, and inventory is now slowly declining. Overall stock levels remain moderate—neither suffering from severe oversupply nor facing critical shortages. From a global supply perspective, major producing regions in Southeast Asia have entered their peak production season, with a steady increase in raw latex supply. Global supplies are generally ample, and there are no widespread shortages; localized slowdowns in supply circulation are merely due to temporary regional logistical fluctuations.
III. Analysis of Domestic and International Demand and Weather Impacts
Domestic downstream demand exhibits clear off-season characteristics; operating rates in key consumption sectors—such as tires, footwear materials, and latex products—have dipped slightly, while inventories of finished goods are gradually accumulating. Downstream enterprises are generally adopting "on-demand" or "just-in-time" purchasing strategies to avoid the risks associated with stockpiling at high prices. The lack of momentum for concentrated raw material restocking has become a primary bearish factor suppressing rubber prices. Meanwhile, overseas market demand remains steady, with stable essential demand from the tire and rubber product industries providing some support for Southeast Asian raw materials and diverting a portion of export supplies.
Weather remains a pivotal factor influencing the market over the medium to long term. In the short term, high temperatures in Southeast Asian and domestic producing regions are primarily affecting current tapping efficiency, causing minor disruptions to immediate output. The market is closely monitoring the development of the El Niño phenomenon; extreme weather is highly likely to trigger abnormal rainfall and increased pest and disease activity in producing regions, potentially leading to a global reduction in rubber output during the second half of the year. This expectation continues to support the market and is a key reason why rubber prices are unlikely to fall sharply. There is a clear offsetting dynamic between short-term seasonal production increases and medium-to-long-term expectations of weather-induced production cuts.
IV. Customs Import and Export Data for April 2026
In April 2026, domestic natural rubber import volumes declined both year-on-year and month-on-month. Total natural rubber imports for the month fell by 26.33% month-on-month and 18.99% year-on-year; imports across all rubber categories—including latex and compound rubber—dropped by 3.98% year-on-year. By source, imports from traditional major producing countries declined significantly; this was primarily because overseas processing plants and traders stocked up early, competing for limited raw materials in producing regions and diverting supplies away from China. Conversely, imports from African producing regions saw a year-on-year increase, serving as a vital supplementary supply channel. Cumulative import volume for January–April showed a slight year-on-year rise, indicating that domestic essential demand for the year remains secure. Exports of rubber products remained steady, supported by stable overseas orders for basic consumer goods. Overall foreign trade data reflects intensified competition for overseas raw materials and a periodic contraction in domestic imports, though the fundamental supply landscape remains unchanged.
V. Price Linkage Analysis of Upstream and Downstream Products
Prices for upstream raw material (field latex) remained high due to weather conditions and seasonal output patterns in producing regions, establishing a cost-based floor for natural rubber spot prices; fluctuations in latex prices directly impacted quotes for dry rubber. Midstream prices for various processed rubber products fluctuated within a narrow range alongside raw material costs, squeezing profit margins for processing enterprises. Downstream sectors showed divergent performance: tires and general rubber products struggled due to the off-season in end-consumer markets, making price hikes difficult and preventing the pass-through of raw material costs; meanwhile, demand for high-end specialty rubber products and industrial hoses remained relatively robust, with prices showing minimal volatility. Additionally, the substitutability between synthetic and natural rubber played a role; high synthetic rubber prices enhanced the relative cost-effectiveness of purchasing natural rubber, providing indirect price support.
VI. Outlook and Forecast
As seasonal production increases in Southeast Asia continue to add volume and the domestic downstream off-season persists, natural rubber spot prices are expected to fluctuate within a high range. With limited room for movement in either direction, the price center is likely to drift slightly lower amidst a market characterized by a "wait-and-see" attitude. However, as the impact of El Niño becomes more apparent and expectations of reduced output in producing regions grow—combined with the approaching traditional peak consumption season for downstream sectors like tires—demand is expected to recover. This shift suggests a marginal improvement in the supply-demand balance and potential momentum for an upward price breakout, with weather changes serving as a key turning point for market trends.
In the long term, global growth in natural rubber planting areas and production capacity remains limited, while global rubber consumption continues to expand steadily alongside the automotive, industrial, and cold-chain sectors. Coupled with the normalization of extreme weather events, a market landscape of tight supply-demand balance is gradually taking shape for the medium to long term. Overall prices will remain at high levels, with market volatility becoming the norm; price fluctuations will be driven primarily by weather conditions in production areas, seasonal production patterns, and the shifting cycles of peak and off-peak demand in downstream markets.