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大商所:线型低密度聚乙烯、聚氯乙烯、聚丙烯月均价期货将上市交易
Sou Hu Cai Jing· 2025-10-20 09:18
Core Viewpoint - The Dalian Commodity Exchange has announced the launch of monthly average futures for linear low-density polyethylene, polyvinyl chloride, and polypropylene, set to begin trading on October 28, 2025 [2]. Listing and Trading Details - The trading of the three chemical monthly average futures will commence on October 28, 2025, at 21:00, with a pre-trading session from 20:55 to 21:00 [2]. - The first batch of contracts for linear low-density polyethylene includes L2602F, L2603F, and L2604F [3]. - The first batch of contracts for polyvinyl chloride includes V2602F, V2603F, and V2604F [4]. - The first batch of contracts for polypropylene includes PP2602F, PP2603F, and PP2604F [5]. Pricing and Margin Requirements - The listing benchmark price for the three chemical monthly average futures contracts will be based on the settlement price on October 28, 2025 [6]. - The trading margin ratio and price fluctuation limits for the three chemical monthly average futures will align with the corresponding contracts [6]. Trading Features - The three chemical monthly average futures will support arbitrage trading instructions, including same-species inter-period arbitrage and cross-species arbitrage [7]. - The trading fee for the three chemical monthly average futures is set at 1 yuan per contract, with a hedging transaction fee of 0.5 yuan per contract [8]. Reporting and Limits - Daily settlement will include the publication of relevant transaction volume and open interest for the contracts [12]. - The trading limits for linear low-density polyethylene contracts are set at 8,000 lots, for polyvinyl chloride at 18,000 lots, and for polypropylene at 10,000 lots [13]. - The position limits will follow the Dalian Commodity Exchange's risk management regulations, with specific limits based on the time period [14].
后期供应偏宽松格局下 PTA运行区间在4350-4800
Jin Tou Wang· 2025-10-20 07:03
10月20日,国内期市能化板块多数飘绿。其中,PTA期货呈现震荡下行走势,截至发稿主力合约小幅下 挫0.90%,报4384.00元/吨。 需求端,创元期货分析称,目前织造端秋冬订单环比9月份回暖,以"小批量、多批次"的秋冬面料补单 为主,整体增量不明显,织造端原料备货数据表现一般,原料阴跌的背景下,厂商多选择消耗现有库 存。聚酯端负荷变动有限,截至最新,聚酯周度开机负荷约:87.78%。预估10月内聚酯开机负荷整体 维持稳定。 库存方面,据瑞达期货介绍,本周PTA工厂库存在4.08天,较上周-0.14天,较去年同期-0.54天;聚酯工 厂PTA原料库存在7.35天,较上周+1.15天,较去年同期-1.35天。 展望后市,广州期货表示,近期PTA低加工费下装置负荷开工不高,虽面临旺季预期,但成本支撑不足 及后期PTA供应偏宽松格局下,聚酯类期价偏空,PTA2601合约运行区间4350-4800。 供应端,华联期货指出,上周装置开工率降低,周内恒力石化计划内减停,逸盛新材料小幅提负。今年 新增产能压力仍偏高,目前已新投产570万吨,关注四季度新凤鸣300万吨投产进度。 ...
申万期货品种策略日报:聚烯烃(LL、PP)-20251017
Shen Yin Wan Guo Qi Huo· 2025-10-17 06:26
Group 1: Report Industry Investment Rating - No relevant content found Group 2: Core Viewpoints of the Report - Polyolefin futures are oscillating at a low level. In the medium - term, the market focuses more on the actual demand fulfillment and potential industrial policy changes on the supply side of polyolefins in the fourth quarter. Currently, due to the continued Sino - US game, crude oil is under pressure, weakening cost support. In the short - term, polyolefin prices fluctuate passively with the cost side, and market sentiment is cautious. However, after continuous declines, the decline speed of chemical products may slow down [2] Group 3: Summary by Related Catalogs Futures Market - **Price and Fluctuation**: For LL, the previous day's closing prices for January, May, and September contracts were 6929, 6968, and 7004 respectively, with increases of 19, 23, and 7, and涨幅 of 0.27%, 0.33%, and 0.10% respectively. For PP, the previous day's closing prices for January, May, and September contracts were 6618, 6670, and 6691 respectively, with increases of 23, 22, and 19, and涨幅 of 0.35%, 0.33%, and 0.28% respectively [2] - **Volume and Open Interest**: The trading volumes of LL for January, May, and September contracts were 239611, 22986, and 234 respectively, and the open interests were 566645, 60931, and 662 respectively, with open interest changes of - 2181, 662, and 44 respectively. For PP, the trading volumes for January, May, and September contracts were 264044, 23995, and 804 respectively, and the open interests were 661984, 115861, and 3936 respectively, with open interest changes of - 5795, 2387, and 279 respectively [2] - **Spreads**: For LL, the current spreads of January - May, May - September, and September - January are - 39, - 36, and 75 respectively, compared with previous values of - 35, - 52, and 87. For PP, the current spreads of January - May, May - September, and September - January are - 52, - 21, and 73 respectively, compared with previous values of - 53, - 24, and 77 [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 materials, and mulch film are 2321 yuan/ton, 6215 yuan/ton, 533 dollars/ton, 5600 yuan/ton, 6500 yuan/ton, and 8800 yuan/ton respectively, compared with previous values of 2301 yuan/ton, 6260 yuan/ton, 531 dollars/ton, 5600 yuan/ton, 6510 yuan/ton, and 8800 yuan/ton [2] - **Mid - stream Spot**: For LL, the current price ranges in the East China, North China, and South China markets are 6950 - 7500 yuan/ton, 6900 - 7150 yuan/ton, and 7150 - 7600 yuan/ton respectively, compared with previous ranges of 6950 - 7550 yuan/ton, 6950 - 7250 (8100 - 8250) yuan/ton, and 7150 - 7600 yuan/ton. For PP, the current price ranges in the East China, North China, and South China markets are 6450 - 6650 yuan/ton, 6500 - 6600 yuan/ton, and 6500 - 6650 yuan/ton respectively, which are the same as the previous ranges [2] News - On Thursday (October 16), the settlement price of West Texas Light Crude Oil futures for November 2025 on the New York Mercantile Exchange was $57.46 per barrel, the lowest since May 5, down $0.81 or 1.39% from the previous trading day, with a trading range of $57.26 - $59.11. The settlement price of Brent crude oil futures for December 2025 on the London Intercontinental Exchange was $61.06 per barrel, also the lowest since May 5, down $0.85 or 1.37% from the previous trading day, with a trading range of $60.84 - $62.75 [2]
化工日报:纯苯下游开工再度回落-20251017
Hua Tai Qi Huo· 2025-10-17 06:01
1. Report Industry Investment Rating - No information provided about the industry investment rating in the given content 2. Core Viewpoints of the Report - For pure benzene, the port destocking rate has slowed down, domestic production capacity utilization has declined, and downstream capacity utilization has decreased with inventory pressure in some products [2] - For styrene, the absolute level of port inventory remains high, downstream capacity utilization has a mixed performance with high finished - product inventory pressure, and there are both maintenance and new - device commissioning situations, along with increasing import pressure [2] - The recommended strategies are to short - hedge BZ and EB on rallies, and to do reverse spreads on the EB2511 - EB2512 spread on rallies [3] 3. Summary Based on Relevant Catalogs I. Pure Benzene and EB's Basis Structure and Inter - Period Spreads - Pure benzene: The main contract basis is - 29 yuan/ton (- 75), and the spot - M2 spread is 50 yuan/ton (+ 0) [1] - Styrene: The main contract basis is - 65 yuan/ton (- 65 yuan/ton) [1] II. Pure Benzene and Styrene Production Profits and Internal - External Spreads - Pure benzene: The CFR China processing fee is 139 dollars/ton (+ 4 dollars/ton), and the FOB Korea processing fee is 124 dollars/ton (+ 4 dollars/ton) [1] - Styrene: The non - integrated production profit is - 582 yuan/ton (+ 6 yuan/ton) and is expected to gradually compress [1] III. Pure Benzene and Styrene Inventories and Capacity Utilization Rates - Pure benzene: The port inventory is 9.00 million tons (- 0.10 million tons), and the domestic capacity utilization rate has declined [1][2] - Styrene: The East China port inventory is 196,500 tons (- 5,400 tons), the East China commercial inventory is 121,500 tons (+ 5,100 tons), and the capacity utilization rate is 71.9% (- 1.7%) [1] IV. Styrene Downstream Capacity Utilization and Production Profits - EPS: The production profit is 280 yuan/ton (+ 5 yuan/ton), and the capacity utilization rate is 62.52% (+ 21.78%) [2] - PS: The production profit is - 170 yuan/ton (- 45 yuan/ton), and the capacity utilization rate is 53.80% (- 0.80%) [2] - ABS: The production profit is - 251 yuan/ton (- 64 yuan/ton), and the capacity utilization rate is 73.10% (+ 0.60%) [2] V. Pure Benzene Downstream Capacity Utilization and Production Profits - Caprolactam: The production profit is - 1,865 yuan/ton (- 35), and the capacity utilization rate is 92.41% (- 3.59%) [1] - Phenol - acetone: The production profit is - 526 yuan/ton (+ 0), and the phenol capacity utilization rate is 78.00% (+ 0.00%) [1] - Aniline: The production profit is 826 yuan/ton (+ 348), and the capacity utilization rate is 75.73% (- 1.43%) [1] - Adipic acid: The production profit is - 1,279 yuan/ton (+ 9), and the capacity utilization rate is 59.10% (- 7.80%) [1]
苯乙烯期价创5年来新低!持续下跌的原因是?
Qi Huo Ri Bao· 2025-10-16 23:38
Core Viewpoint - The significant decline in styrene futures prices since late September is attributed to multiple factors, including a sharp drop in oil prices and weak fundamentals in the styrene market [1][2]. Group 1: Price Decline Factors - Styrene futures prices began to decline from a high of 7831 yuan/ton in late June 2025, reaching a low of 6437 yuan/ton by October 16 [1]. - The drop in oil prices is a major factor affecting styrene prices, driven by geopolitical risks, trade tensions, and an oversupply situation as the demand season ends [1][2]. - The overall chemical product prices have also fallen due to macroeconomic disturbances and OPEC+ production increases, impacting styrene prices [1]. Group 2: Supply and Inventory Dynamics - Styrene's weak fundamentals are reflected in rising port inventories and a marginal weakening in the upstream pure benzene supply-demand balance [2]. - As of mid-October, styrene inventories at East China ports were around 200,000 tons, significantly higher than the approximately 40,000 tons from the same period last year, marking a five-year high [2]. - Despite maintenance activities reducing production slightly, the overall supply remains high, and demand has also decreased, leading to a continued oversupply situation [2][3]. Group 3: Industry Chain Analysis - The basic fundamentals of pure benzene, the direct raw material for styrene, are also weak, with expectations of declining demand due to losses in downstream products [3]. - High hidden inventories of pure benzene, concentrated in styrene plants, are expected to keep production rates high, as plants are unlikely to significantly reduce output to maintain market share [3]. - The entire industry chain, including pure benzene, styrene, and downstream synthetic materials, is experiencing historically high inventory levels, which will take time to alleviate [3]. Group 4: Market Outlook - Short-term reversal of styrene prices is considered difficult, with potential for a temporary rebound due to supply constraints from geopolitical factors [4]. - For a price reversal to occur, improvements in oil prices, upstream pure benzene fundamentals, and downstream orders are necessary [5]. - The likelihood of a decrease in styrene inventory and low valuation suggests that overly bearish views may not be warranted, although new production capacity and oil price declines pose challenges [5].
化工日报-20251013
Guo Tou Qi Huo· 2025-10-13 12:53
Report Industry Investment Ratings - Urea: Bullish [1] - Methanol: Bearish [1] - Pure Benzene: Bullish [1] - Styrene: Bearish [1] - Polypropylene: Bearish [1] - Plastic: Bullish [1] - PVC: Bearish [1] - Caustic Soda: Bullish [1] - PX: Bullish [1] - PTA: Bearish [1] - Ethylene Glycol: Bearish [1] - Short Fiber: Bearish [1] - Glass: Bullish [1] - Soda Ash: Bearish [1] - Bottle Chip: Bullish [1] - Propylene: Bearish [1] Core Views - The overall chemical market is affected by multiple factors such as oil prices, trade frictions, and supply - demand relationships, with different product trends varying [2][3][5] - Some products are facing supply pressure, while others are influenced by demand changes and cost fluctuations Summary by Relevant Catalogs Olefins - Polyolefins - Propylene futures prices decline due to lower oil prices and weak demand [2] - Plastic and polypropylene futures prices are under pressure, with supply increase expectations and inventory digestion pressure [2] Pure Benzene - Styrene - Pure benzene is affected by oil prices and trade frictions, with a complex market situation [3] - Styrene futures prices continue to decline, with supply increments exceeding demand improvements [3] Polyester - PX and PTA prices are weak but the impact of trade frictions is weakening, and long - term supply - demand is under pressure [5] - Ethylene glycol's downward space depends on the energy market, and there are trading suggestions for spreads [5] - Short fiber prices decline slightly, and bottle chip may face weakening demand [5] Coal Chemical Industry - Methanol prices rise due to potential import reduction, and the market may be strong in the short term [6] - Urea supply is high, and the demand is weak, with a likely weak market [6] Chlor - Alkali - PVC may have a weak and oscillating trend due to trade frictions and supply pressure [7] - Caustic soda may oscillate strongly with supply pressure relief and potential downstream demand [7] Soda Ash - Glass - Soda ash prices oscillate, with an oversupply situation in the long term [8] - Glass prices are weak, with high inventory and cautious operation suggestions [8]
纯碱期货日报-20251010
Guo Jin Qi Huo· 2025-10-10 13:56
Report Summary 1. Report Industry Investment Rating No information provided. 2. Core Viewpoints - After the holiday, the sentiment in the chemical market was poor, and soda ash followed the sector with weak fluctuations. During the domestic long - holiday, soda ash production facilities had narrow adjustments, with individual companies having short - term shutdowns, resulting in a narrow decline in supply. Downstream demand was mediocre, and overall purchasing enthusiasm was low, with limited fundamental drivers. Given the fundamental situation of oversupply, it is expected that the short - term soda ash futures market may continue to fluctuate weakly. Attention should be paid to the progress of the second - phase capacity release of Yuanxing and the restocking situation of downstream enterprises [7][8] 3. Summary by Directory 3.1 Futures Market - **Contract行情**: On October 9, 2025, the soda ash futures fluctuated downward. The opening price of soda ash 2601 (SA601) was 1256 yuan/ton, the highest price was 1268 yuan/ton, the lowest price was 1237 yuan/ton, and the closing price was 1250 yuan/ton, a decrease of 22 yuan/ton or 1.73% from the previous trading day's settlement price. The trading volume was 756,000 lots, a decrease of 27,000 lots from the previous day, and the open interest was 1,317,000 lots, an increase of 67,000 lots from the previous day [2] - **Variety Price**: The opening, highest, lowest, and closing prices of different soda ash futures contracts on October 9, 2025, are provided, including soda ash 2609, soda ash 2601 M, and soda ash 2605 [4] 3.2 Spot Market - On October 9, 2025, the domestic soda ash spot market quotes are presented in a price summary table, but the specific prices in the table are not detailed in the text [5] 3.3 Influencing Factors - **Industry Chain - Related**: On October 9, 2025, the spot price of 5.00mm large - size glass in North China was reported at 1230 yuan/ton [6] - **Fundamental - Related**: As of October 9, 2025, the total domestic soda ash inventory was 1.6598 million tons, an increase of 59,900 tons compared to before the holiday. Among them, the inventory of light soda ash was 739,100 tons, a month - on - month increase of 42,400 tons, and the inventory of heavy soda ash was 920,700 tons, a month - on - month increase of 17,500 tons [6] 3.4 Market Outlook - Due to the fundamental situation of oversupply, the short - term soda ash futures market is expected to continue to fluctuate weakly. Attention should be paid to the progress of the second - phase capacity release of Yuanxing and the restocking situation of downstream enterprises [8]
聚焦产业需求 深化服务创新——大商所三个化工品月均价期货及化工期权业务宣讲交流会(浙江)在甬顺利召开
Zheng Quan Ri Bao Wang· 2025-09-30 04:16
Group 1 - The core viewpoint of the news is the introduction of monthly average price futures for low-density polyethylene, polyvinyl chloride, and polypropylene to enhance risk management tools in the plastic industry [1] - The Dalian Commodity Exchange, in collaboration with local associations, held a seminar to discuss the application scenarios and business plans for these futures [1] - Over 80 representatives from relevant industries and futures trading institutions participated in the seminar, indicating strong interest and support for the new financial instruments [1] Group 2 - The Dalian Commodity Exchange provided a systematic introduction to the contract rules, application cases, and the current development of chemical options markets [1] - Industry representatives expressed optimism about the monthly average price futures aiding chemical companies in managing price risks more accurately [1] - The Ningbo Securities and Futures Industry Association emphasized its role in facilitating communication and promoting a favorable environment for the integration of industry and finance [2]
国投期货化工日报-20250922
Guo Tou Qi Huo· 2025-09-22 11:08
Report Industry Investment Ratings - Propylene, Plastic: ☆☆☆ [1] - Pure Benzene, Styrene: ☆☆☆ [1] - PX, PTA: ☆☆☆ [1] - Ethylene Glycol, Short Fiber: ☆☆☆ [1] - Bottle Chip, Methanol: ☆☆☆ [1] - Urea, PVC: ★☆☆ [1] - Caustic Soda: ★☆☆ [1] - Soda Ash: ★☆☆ [1] - Glass: ★☆☆ [1] Core Viewpoints - The chemical market overall shows a complex situation with different products having varying supply - demand dynamics and price trends, some being weak, some in a state of multi - empty game, and investors need to make decisions based on specific product fundamentals [2][3][4] Summary by Related Catalogs Olefins - Polyolefins - Olefin futures main contracts oscillated downward, breaking previous lows. Due to the restart of northern propylene plants, supply pressure increased, and market bearish sentiment rose. There is a long - short game between terminal enterprises' raw material replenishment demand and upstream capacity release, showing an overall weak oscillation [2] - Polyolefin futures main contracts closed slightly lower. For polyethylene, supply is expected to increase as the number of maintenance decreases and ship cargoes arrive. The demand support from the market is limited as only the agricultural film industry is in the peak season, and other downstream industries are cautious. For polypropylene, supply is expected to increase as the intensity of plant maintenance is expected to weaken. Demand is weak as most enterprises have meager profits and are cautious in procurement [2] Pure Benzene - Styrene - Pure benzene futures prices continued to be weak. Although the actual fundamentals are okay with a decline in port inventory, the high expected import volume and poor profits of downstream products drag down the market [3] - Styrene futures main contracts closed lower. Although there is an expected increase in pre - holiday market stocking, new device production release will lead to an increase in supply, and the increase in supply is greater than that in demand, so the price trend is weak [3] Polyester - PX supply - demand strong expectations are weakened, and valuation is under pressure due to postponed plant maintenance, slow increase in polyester load, and weak downstream weaving data. PTA industry profit is still poor, and the repair space of processing margin is limited. There is an expected pre - holiday downstream stocking for polyester yarn, which may relieve polyester inventory [4] - Ethylene glycol returns to the bottom of the range. Although the actual supply pressure is not large, the expectation is weak. Attention should be paid to the commissioning dynamics of two new devices [4] - Short fiber futures prices declined. With limited new capacity this year, high load, and stable - to - decreasing inventory, the peak - season demand recovery boosts the industry expectation. It is recommended to allocate more in the near - month contract and enter the long - spread position at low prices [4] - Bottle chip operating rate declined slightly, with a slight reduction in inventory, a recovery in basis, and a slight repair in processing margin. However, over - capacity is a long - term pressure, and the repair space of processing margin is limited [4] Coal Chemical Industry - Methanol main contracts continued to be weak. Although pre - holiday downstream stocking demand provides some support, high port inventory and the expectation of continuous inventory accumulation suppress the upward space of the market. Attention should be paid to the actual implementation of overseas plant gas restrictions [5] - Urea futures prices oscillated at a low level. Domestic daily production continued to increase, and the overall demand is still less than supply, with continuous inventory accumulation in production enterprises. The market may continue to be under pressure in the short term, and attention should be paid to possible policy adjustments [5] Chlor - Alkali - PVC continues to have a loose supply - demand pattern with large inventory pressure. New device production will increase supply, and although downstream industries have a slight increase in pre - holiday replenishment, the industry continues to accumulate inventory, showing a weak oscillation trend [6] - Caustic soda has a game between weak reality and strong expectation. Currently, it is in a weak reality pattern in Shandong, but there may be pre - stocking demand before the downstream alumina production, so the 2510 - 2601 spread long - spread position may continue to widen [6] Soda Ash - Glass - Soda ash industry has an over - supply pattern. With the earlier - than - expected ignition of Yuanxing's 4th row of boilers, supply pressure will continue. Although there was an increase in heavy soda demand driven by the photovoltaic industry before, it is expected to slow down, and it is recommended to short at high positions with caution near the cost [7] - Glass has a pattern of high supply and weak demand. Although the industry inventory has declined, the improvement in processing orders is insufficient. There is a game between weak reality and low - valuation macro - level benefits, and it is recommended to wait and see before the holiday and look for long opportunities near the cost later [7]
化工日报-20250919
Guo Tou Qi Huo· 2025-09-19 12:45
Industry Investment Ratings - Urea: ☆☆☆ (judged as a relatively clear downward trend) [1] - Methanol: ★★★ (judged as a relatively clear upward trend) [1] - Pure Benzene: ★★★ (judged as a relatively clear downward trend) [1] - Styrene: ★★★ (judged as a relatively clear downward trend) [1] - Polypropylene: ☆☆☆ (judged as a relatively clear downward trend) [1] - Plastic: ★☆☆ (judged as a downward trend, but with limited operability on the market) [1] - PVC: ☆☆☆ (judged as a relatively clear downward trend) [1] - Caustic Soda: ★☆☆ (judged as a downward trend, but with limited operability on the market) [1] - PX: ★★☆ (judged as a relatively clear downward trend, and the market is fermenting) [1] - PTA: ★★☆ (judged as a relatively clear downward trend, and the market is fermenting) [1] - Ethylene Glycol: ☆☆☆ (judged as a relatively clear downward trend) [1] - Short Fiber: ★★★ (judged as a relatively clear upward trend) [1] - Glass: ★☆☆ (judged as a downward trend, but with limited operability on the market) [1] - Soda Ash: ★☆☆ (judged as a downward trend, but with limited operability on the market) [1] - Bottle Chip: ★☆☆ (judged as a downward trend, but with limited operability on the market) [1] - Propylene: ★☆☆ (judged as a downward trend, but with limited operability on the market) [1] Core Views - The overall chemical market shows a mixed trend, with different products having different supply - demand situations and price trends [2][3][5] - Some products are affected by factors such as new device expectations, overseas device changes, and seasonal demand changes [5][6] - The market sentiment is also influenced by macro - economic data and external factors [5] Summary by Category Olefins - Polyolefins - Olefin futures contracts continued to decline. Although the cost pressure on downstream products has not been fully alleviated, the demand for propylene has improved, and some companies are more willing to hold prices [2] - Polyolefin futures contracts declined slightly. The demand for polyethylene has increased, and the supply has decreased. The supply - demand situation of polypropylene has limited improvement [2] Pure Benzene - Styrene - Pure benzene continued to be weak, with a decline in spot prices in East China and a significant reduction in trading volume in Shandong. The supply - demand situation may improve in the third quarter, but high import volume expectations suppress the market [3] - Styrene futures contracts declined. The supply has decreased unexpectedly, but the demand is in a dull period, and there may be price promotions in the north before the National Day [3] Polyester - PTA is under price pressure, and the market is weak in the short term. There is an expectation of downstream restocking before the festival, and the processing margin of polyester yarn may be repaired [5] - Ethylene glycol has returned to the bottom of the range. The supply pressure is not large in reality, but the expectation is weak [5] - Short fiber prices have declined. The industry is expected to be boosted by the peak - season demand, and the near - month contracts can be configured more [5] - Bottle chip production has slightly decreased, and the processing margin has been slightly repaired, but the long - term pressure of over - capacity exists [5] Coal Chemical Industry - Methanol futures contracts have shown a strong shock. The short - term supply - demand gap is expected to narrow, and the long - term focus is on the actual implementation of overseas gas restrictions [6] - Urea futures contracts have continued to decline. The domestic supply is sufficient, and the market is in a state of loose supply - demand, with low - level fluctuations [6] Chlor - Alkali - PVC continues to have a loose supply - demand pattern, with high inventory pressure, and may show a weak shock trend [7] - The performance of caustic soda varies by region. The market may be in a shock pattern [7] Soda Ash - Glass - Soda ash has accumulated inventory again. The long - term supply is in an over - supply pattern, and it is expected to fluctuate with the macro - sentiment in the short term [8] - Glass has a pattern of high supply and weak demand. The inventory has declined, and the futures price is expected to fluctuate with the macro - sentiment [8]