瑞达期货玉米系产业日报-20251030

1. Report Industry Investment Rating - No information provided in the report 2. Core Viewpoints of the Report - For the corn market, in the US, as the corn harvest progresses, supply pressure will gradually increase, but the estimated corn yield this year is lower than the previous USDA forecast, and the expectation of a Sino - US trade agreement boosts the market. In China, in the Northeast, the corn yield has increased significantly, but the purchase price has slightly decreased with the increase in new grain supply. In the North China and Huanghuai regions, the market supply has slightly declined due to farmers' reluctance to sell, and feed enterprises are mainly in a wait - and - see mode. The corn futures price has weakened again after a slight rebound, maintaining a low - level volatile consolidation [2]. - For the corn starch market, the increase in new - season corn supply weakens the cost support for corn starch, and the substitution advantage of tapioca starch squeezes the market demand. However, the industry's operating rate is lower than the same period in previous years, and the enterprise inventory has slightly decreased. The starch market fluctuates synchronously with the corn market, and short - term observation is recommended [3]. 3. Summary According to Relevant Catalogs 3.1 Futures Market - Corn futures: The closing price of the active contract of domestic yellow corn is 2111 yuan/ton, down 102 yuan; the net long position of the top 20 futures holders is - 81914 hands, down 5324 hands; the registered warehouse receipt volume is 63966 hands; the closing price of the active contract of CBOT corn is 434.5 cents/bushel, up 2.75 cents [2]. - Corn starch futures: The closing price of the active contract is 2419 yuan/ton, down 10 yuan; the net long position of the top 20 futures holders is - 54064 hands, up 4667 hands; the registered warehouse receipt volume is 12504 hands; the main - contract CS - C spread is 337 yuan/ton [2]. 3.2 Outer Market - CBOT corn: The total weekly position is 1543065 contracts, up 13269 contracts; the non - commercial net long position is - 51186 contracts, down 15017 contracts [2]. 3.3 Spot Market - Corn: The average spot price is 2242.16 yuan/ton, down 0.59 yuan; the flat - hatch price at Jinzhou Port is 2120 yuan/ton, down 20 yuan; the CIF price of imported corn is 1974.15 yuan/ton, up 0.3 yuan [2]. - Corn starch: The factory - quoted price in Changchun is 2510 yuan/ton, unchanged; in Weifang is 2750 yuan/ton, unchanged; in Shijiazhuang is 2680 yuan/ton, unchanged; the basis of the main contract is 83 yuan/ton, down 3 yuan [2]. 3.4 Upstream Situation - The predicted sown areas of corn in the US, Brazil, Argentina, China are 427.11 million hectares, 53 million hectares, 295 million hectares respectively, and the predicted yields are 36.44 million tons, 7.5 million tons, 44.3 million tons, 32 million tons respectively, with no changes [2]. 3.5 Industry Situation - Corn inventory: 480,000 tons in southern ports, 1.04 million tons in northern ports, 2.334 million tons in deep - processing enterprises, up 298,000 tons [2]. - Corn starch inventory: 1.128 million tons, down 12,000 tons from last week, with a weekly decline of 1.05%, a monthly decline of 0.97%, and a year - on - year increase of 36.89% [2][3]. - Import and export: The monthly import volume of corn is 60,000 tons, and the monthly export volume of corn starch is 12,780 tons, down 2,020 tons [2]. 3.6 Downstream Situation - Feed production: The monthly output is 3.1287 million tons [2]. - Corn starch processing profit: 120 yuan/ton in Shandong, 119 yuan/ton in Hebei, 105 yuan/ton in Jilin [2]. - Operating rate: 61.67% for alcohol enterprises, 58.86% for starch enterprises, up 3.24 percentage points [2]. 3.7 Option Market - The 20 - day historical volatility of corn is 8.48%, down 0.43 percentage points; the 60 - day historical volatility is 7.25%, up 0.1 percentage points; the implied volatility of at - the - money call options is 10.24%, up 0.74 percentage points; the implied volatility of at - the - money put options is 10.25%, up 0.75 percentage points [2]. 3.8 Industry News - Analysts expect the net export sales volume of US corn in the week ending October 23, 2025, to be between 1.1 million and 2.1 million tons [2]. - As of October 27, the planting progress of the first - season corn in Brazil's Paraná state is 98%, up from 94% last week [2]. 3.9 Key Focus - Pay attention to the weekly consumption of mysteel corn and the operating rate and inventory of starch enterprises on Thursday and Friday [3]