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玉米类市场周报:现货市场疲弱,期货价格再度走低-20250808
Rui Da Qi Huo·2025-08-08 10:00

Report Summary 1. Investment Rating The report does not provide an overall industry investment rating. 2. Core Views - For corn, the market is bearish. International factors such as high US corn good - rate and favorable weather for growth are pressuring prices. Domestically, multiple factors like import reserve auctions, falling international grain prices, and lower new - season corn costs lead to a pessimistic outlook. Spot prices are weak, and futures prices are trending down [8]. - For corn starch, the market is also bearish. With increasing industry operating rates and weak downstream demand, there is an obvious oversupply situation. Inventory is rising, and futures prices are oscillating weakly at a low level [12]. 3. Summary by Catalog 3.1 Week - to - Week Summary - Corn: - Strategy: Trade bearishly [7]. - Market review: The main 2509 contract closed at 2255 yuan/ton, down 42 yuan/ton from the previous week [8]. - Outlook: US corn good - rate is high, and domestic factors lead to a pessimistic outlook. Spot prices are weak, and futures prices are trending down [8]. - Corn Starch: - Strategy: Participate bearishly [11]. - Market review: The main 2509 contract closed at 2642 yuan/ton, down 26 yuan/ton from the previous week [12]. - Outlook: Operating rates are rising, demand is weak, and inventory is increasing. Futures prices are oscillating weakly at a low level [12]. 3.2 Futures and Spot Market - Futures Price and Position Changes: - Corn: The September contract closed down with oscillations. Total positions were 659,407 lots, down 87,309 lots from the previous week [18]. - Corn Starch: The September contract closed down with narrow - range oscillations. Total positions were 145,811 lots, down 12,545 lots from the previous week [18]. - Top 20 Net Position Changes: - Corn: The top 20 net position was - 28,678, compared to - 20,885 last week, an increase in net short positions [24]. - Corn Starch: The top 20 net position was - 5,893, compared to - 18,086 last week, a decrease in net short positions [24]. - Futures Warehouse Receipts: - Corn: Registered warehouse receipts were 144,037 [30]. - Corn Starch: Registered warehouse receipts were 7,450 [30]. - Spot Price and Basis: - Corn: As of August 7, 2025, the average spot price was 2395.49 yuan/ton, and the basis between the active September contract and the spot average was + 140 yuan/ton [35]. - Corn Starch: The spot price in Jilin was 2850 yuan/ton, and in Shandong was 2950 yuan/ton, remaining stable this week. The basis between the September contract and the Jilin Changchun spot was 208 yuan/ton [39]. - Futures Inter - month Spread: - Corn: The 9 - 1 spread was 84 yuan/ton, at a medium level in the same period [45]. - Corn Starch: The 9 - 1 spread was 90 yuan/ton, at a medium level in the same period [45]. - Futures Spread between Starch and Corn: - The September contract spread was 387 yuan/ton. As of Thursday, the spread between Shandong corn and corn starch was 400 yuan/ton, the same as last week [55]. - Substitute Spread: - As of July 31, 2025, the wheat - corn spread was 36.48 yuan/ton. In the 32nd week of 2025, the average spread between tapioca starch and corn starch continued to narrow to 117 yuan/ton, a contraction of 23 yuan/ton from last week [60]. 3.3 Industry Chain - Corn - Supply: - Port Inventory: As of August 1, 2025, Guangdong Port's domestic corn inventory was 89.2 tons, up 1.00 tons from last week; foreign trade inventory was 0.4 tons, down 0.30 tons. Northern four - port inventory was 190.5 tons, down 20.1 tons week - on - week, and the shipping volume was 24 tons, down 15.30 tons week - on - week [49]. - Import Volume: In June 2025, ordinary corn imports were 160,000 tons, a decrease of 760,000 tons (82.61%) from the same period last year and 30,000 tons from the previous month [68]. - Feed Company Inventory: As of August 7, the average inventory of national feed companies was 30.44 days, down 0.14 days from last week, a 0.46% week - on - week decrease and a 3.40% year - on - year increase [72]. - Corn - Demand: - Livestock Inventory: As of the end of Q2 2025, the national pig inventory was 424.47 million, a 2.2% year - on - year increase, and the breeding sow inventory was 40.43 million, an increase of 10,000 from the previous period, 103.7% of the normal level [76]. - Breeding Profit: As of August 1, 2025, self - breeding and self - raising pig profit was 43.85 yuan/head, and the profit of purchasing piglets was - 116.78 yuan/head [80]. - Processing Profit: As of August 7, 2025, the corn starch processing profit in Jilin was - 64 yuan/ton. As of August 8, 2025, the corn alcohol processing profit in Henan was - 615 yuan/ton, in Jilin was - 594 yuan/ton, and in Heilongjiang was - 225 yuan/ton [85]. - Corn Starch - Supply: - Enterprise Inventory: As of August 6, 2025, the total corn inventory of 96 major corn processing enterprises in 12 regions was 3.643 million tons, a 4.06% decrease [89]. - Operating Rate and Inventory: From July 31 to August 6, 2025, the national corn processing volume was 560,500 tons, up 15,400 tons from last week; the national corn starch output was 278,500 tons, up 10,700 tons; the operating rate was 53.83%, up 2.07%. As of August 6, the total corn starch inventory was 1.32 million tons, up 27,000 tons from last week, a 2.09% week - on - week increase, a 0.69% month - on - month increase, and a 14.48% year - on - year increase [93]. 3.4 Option Market As of August 8, the implied volatility of the corn main 2509 contract was 9.68%, down 0.08% from the previous week. The implied volatility oscillated narrowly and was at a relatively high level compared to the 20 - day, 40 - day, and 60 - day historical volatilities [96].