冠通期货研究报告-- 宏观与大宗商品周报 市场综述 最近一周，海外聚焦美联储12月FOMC会议，国内瞩目中央经济工作会议。海外，12月FOMC会议如期降息25bp，点阵图彰显出美联 储官员内部的分歧，市场强化宽松预期，美债利率近弱远强，美元指数承压下行。国内，中央经济工作会议召开，肯定2025年的不平 凡，定调2026年的继续宽松，明确八大重点工作。11月宏观经济数据表现平平，工业转弱，投资降速，消费降低，出口强劲，物价分 化，信贷疲软。资本市场投资者态度谨慎，波动率VIX指数窄幅波动，风险资产涨跌互现，全球股市与大宗商品跌多涨少，A股走势分 化，BDI指数大幅回落。大宗商品分化加剧，贵金属与有色强势上扬，油价延续弱势拖累能化板块，地产的加剧恶化与政策的相对稳健， 令黑色系大幅下挫领跌商品。 国内债市涨跌互现近强远弱、股指震荡分化，商品大类板块涨跌互现多数收跌；股市震荡分化，成长型风格表现强于价值型，中 证500反弹幅度最为明显；国内商品大类板块涨跌互现多数收跌，Wind商品指数周度涨跌幅4.4%，10个商品大类板块指数中3个收涨7个 收跌。具体商品大类表现来看，商品期货表现分化加剧，贵金属飙涨超过4%，有色 ...

1. Report Overview - Report Date: December 15, 2025 [1] - Report Type: Metal Options Strategy Morning Report 2. Industry Investment Rating - No industry investment rating is provided in the report. 3. Core Views - For non - ferrous metals, build a seller neutral volatility strategy as they tend to move upwards [2]. - For the black series, construct a short - volatility portfolio strategy due to their large - amplitude fluctuations [2]. - For precious metals, build a bull spread portfolio strategy as they rebound and rise [2]. 4. Summary by Related Catalogs 4.1 Futures Market Overview - Copper (CU2601): Latest price is 91,550, down 1,990 (-2.13%), with trading volume of 15.76 million lots (up 1.90 million lots) and open interest of 18.86 million lots (down 0.17 million lots) [3]. - Aluminum (AL2601): Latest price is 21,725, down 370 (-1.67%), with trading volume of 10.08 million lots (down 1.25 million lots) and open interest of 16.21 million lots (down 1.02 million lots) [3]. - Zinc (ZN2601): Latest price is 23,305, down 210 (-0.89%), with trading volume of 18.90 million lots (up 9.60 million lots) and open interest of 9.14 million lots (up 0.29 million lots) [3]. - Gold (AU2602): Latest price is 972.76, up 8.14 (0.84%), with trading volume of 29.17 million lots (up 4.90 million lots) and open interest of 20.39 million lots (up 1.17 million lots) [3]. - Silver (AG2602): Latest price is 14,437, down 337 (-2.28%), with trading volume of 172.66 million lots (up 9.31 million lots) and open interest of 41.48 million lots (down 0.84 million lots) [3]. 4.2 Option Factor - Volume and Open Interest PCR - Copper: Volume PCR is 0.38 (down 0.01), and open interest PCR is 0.89 (up 0.08) [4]. - Aluminum: Volume PCR is 0.19 (down 0.20), and open interest PCR is 0.58 (down 0.01) [4]. - Zinc: Volume PCR is 0.34 (down 0.27), and open interest PCR is 0.87 (down 0.01) [4]. - Gold: Volume PCR is 0.32 (down 0.25), and open interest PCR is 0.55 (down 0.01) [4]. - Silver: Volume PCR is 0.70 (down 0.11), and open interest PCR is 1.62 (up 0.14) [4]. 4.3 Option Factor - Pressure and Support Levels - Copper: Pressure point is 98,000 (offset 4,000), support point is 90,000 (offset 6,000) [5]. - Aluminum: Pressure point is 22,000 (offset 0), support point is 21,800 (offset 0) [5]. - Zinc: Pressure point is 24,000 (offset 600), support point is 23,000 (offset 1,000) [5]. - Gold: Pressure point is 1,000 (offset 0), support point is 904 (offset 0) [5]. - Silver: Pressure point is 15,900 (offset 0), support point is 12,000 (offset 0) [5]. 4.4 Option Factor - Implied Volatility - Copper: At - the - money implied volatility is 18.61%, weighted implied volatility is 21.55% (up 0.98%), historical average is 18.23% [6]. - Aluminum: At - the - money implied volatility is 14.10%, weighted implied volatility is 15.61% (up 2.78%), historical average is 12.51% [6]. - Zinc: At - the - money implied volatility is 15.25%, weighted implied volatility is 17.22% (up 4.60%), historical average is 14.14% [6]. - Gold: At - the - money implied volatility is 22.29%, weighted implied volatility is 25.03% (up 4.06%), historical average is 22.12% [6]. - Silver: At - the - money implied volatility is 42.55%, weighted implied volatility is 44.27% (up 3.52%), historical average is 30.60% [6]. 4.5 Option Strategies and Recommendations 4.5.1 Non - Ferrous Metals - **Copper**: - Directional strategy: Build a call option bull spread strategy [7]. - Volatility strategy: Build a short - volatility strategy [7]. - Spot long hedging strategy: Hold spot long + buy put option + sell out - of - the - money call option [7]. - **Aluminum**: - Directional strategy: None [9]. - Volatility strategy: Build a short call + put option portfolio strategy with a positive delta [9]. - Spot long hedging strategy: Build a spot collar strategy [9]. 4.5.2 Precious Metals - **Silver**: - Directional strategy: Build a call option bull spread strategy [12]. - Volatility strategy: Build a short - volatility option seller portfolio strategy with a positive delta [12]. - Spot hedging strategy: Hold spot long + buy put option + sell out - of - the - money call option [12]. 4.5.3 Black Series - **Rebar**: - Directional strategy: None [13]. - Volatility strategy: Build a short call + put option portfolio strategy with a negative delta [13]. - Spot long covered call strategy: Hold spot long + sell call option [13]. - **Iron Ore**: - Directional strategy: None [13]. - Volatility strategy: Build a short call + put option portfolio strategy with a neutral delta [13]. - Spot long hedging strategy: Build a long collar strategy [13].

宏观周报 坚持内需主导，政策更加有为 证券研究报告 2025 年 12 月 14 日 核心结论 中央经济工作会议：坚持内需主导，政策更加有为。12 月 10 日至 11 日中 央经济工作会议召开。会议指出，当前经济发展面临问题和挑战，但长期向 好趋势不变。我们预计 2026 年经济增长目标定在 5%左右。2026 年将实施 更加积极有为的宏观政策，增量政策和存量政策协同发力，继续实施更加积 极的财政政策和适度宽松的货币政策。我们预计 2026 年一般预算赤字率维 持 4%左右，广义政府融资规模较 2025 年进一步增加，相对 GDP 比例可能 保持基本稳定；公开市场操作利率和 LPR 下调 10 个 bp 左右。会议对 2026 年经济工作提出八方面主要任务，其中"坚持内需主导"放在 2026 年经济 工作任务首位。深入整治"内卷式"竞争，有助于促进物价回升。此外，会 议还提出稳定房地产市场，加强民生保障，着力稳就业等方面任务。 中观产业跟踪：工业需求平淡，黑色系走弱，焦煤焦炭价格大跌，受下游钢 厂需求下滑、炼焦煤进口增长、反内卷不及预期等因素影响；南华玻璃价格 周跌超 8%。相比之下，美联储降息预期落地，有 ...

1. Report Industry Investment Rating - Not provided in the document 2. Core Views of the Report - For non - ferrous metals, they are trending upwards, and a seller's neutral volatility strategy is recommended; for black metals, they are experiencing significant fluctuations, suitable for a short - volatility combination strategy; for precious metals, they are rebounding and rising, and a bull spread combination strategy is advisable [2] 3. Summary by Relevant Catalogs 3.1 Futures Market Overview - Copper (CU2601): Latest price 94,080, up 1,800 (1.95%), volume 13.86 million lots (down 0.75 million), open interest 19.04 million lots (down 1.00 million) [3] - Aluminum (AL2601): Latest price 22,115, up 185 (0.84%), volume 11.33 million lots (down 4.65 million), open interest 17.23 million lots (down 1.35 million) [3] - Zinc (ZN2601): Latest price 23,660, up 660 (2.87%), volume 9.31 million lots (down 2.51 million), open interest 8.85 million lots (down 0.47 million) [3] - Other metals such as lead, nickel, tin, etc. also have detailed price, volume, and open - interest data provided [3] 3.2 Option Factors - Volume and Open Interest PCR - Copper: Volume PCR 0.39 (down 0.00), Open Interest PCR 0.81 (up 0.05) [4] - Aluminum: Volume PCR 0.39 (up 0.02), Open Interest PCR 0.59 (down 0.01) [4] - Zinc: Volume PCR 0.61 (down 0.05), Open Interest PCR 0.89 (down 0.07) [4] 3.3 Option Factors - Pressure and Support Levels - Copper: Pressure point 94,000, support point 84,000 [5] - Aluminum: Pressure point 22,000, support point 21,800 [5] - Zinc: Pressure point 23,400, support point 22,000 [5] 3.4 Option Factors - Implied Volatility - Copper: At - the - money implied volatility 16.80%, weighted implied volatility 20.57% (down 0.95%) [6] - Aluminum: At - the - money implied volatility 11.06%, weighted implied volatility 12.83% (up 0.15%) [6] - Zinc: At - the - money implied volatility 10.66%, weighted implied volatility 12.62% (down 0.25%) [6] 3.5 Strategy and Recommendations 3.5.1 Non - ferrous Metals - Copper: Directional strategy - build a bull spread combination of call options; volatility strategy - build a short - volatility seller's option combination; spot long hedging strategy - hold spot long + buy put options + sell out - of - the - money call options [8] - Aluminum: Directional strategy - build a bull spread combination of call options; volatility strategy - build a short call + put option combination; spot long hedging strategy - hold spot long + buy put options + sell out - of - the - money call options [9] - Zinc: Volatility strategy - build a short call + put option combination; spot long hedging strategy - hold spot long + buy put options + sell out - of - the - money call options [9] 3.5.2 Precious Metals - Silver: Directional strategy - build a bull spread combination of call options; volatility strategy - build a short - volatility option seller's combination; spot hedging strategy - hold spot long + buy put options + sell out - of - the - money call options [12] 3.5.3 Black Metals - Rebar: Volatility strategy - build a short call + put option combination; spot long covered strategy - hold spot long + sell call options [13] - Iron ore: Volatility strategy - build a short call + put option combination; spot long hedging strategy - build a long collar strategy [13]

[Table_Main] 证券研究报告 | 策略点评 2025 年 12 月 11 日 策略点评 证券分析师 程强 摘要。2025 年 12 月 11 日周四，A 股市场全线回调，近 4400 只个股下跌；国债 期货市场持续反弹；商品指数下跌，双焦延续大跌。 一、市场行情分析 1）股票市场：全线回调，大幅降温 全线回调，大幅降温。今日 A 股主要指数全线回调，上证指数低开低走，收盘跌 0.70%至 3873.32 点，失守 3900 点整数关口；深证成指跌 1.27%至 13147.39 点， 创业板指跌 1.41%至 3163.67 点；微盘指数下跌 2.88%；北证 50 指数上涨 3.84%， 盘中一度上涨近 7%。万得全 A 指数跌 1.10%。市场成交额 1.89 万亿，较前一交 易日放量 5.2%，但资金获利了结情绪明显，全市场仅 1030 只个股上涨，4377 只 下跌，下跌个股占比超 80%。在近一个月的 23 个交易日中，有 12 个交易日市场 下跌家数超过 3000 家、5 个交易日下跌家数超过 4000 家，显示市场赚钱效应依 然偏弱。 资格编号：S0120524010005 邮箱：ch ...

1. Report Summary - The report provides a morning strategy briefing for metal options on December 11, 2025, covering various metal options including non - ferrous metals, precious metals, and black metals [1][2]. 2. Core Views - For non - ferrous metals showing a bullish upward trend, a neutral volatility selling strategy is recommended [2]. - For black metals with large - amplitude fluctuations, a short volatility combination strategy is suitable [2]. - For precious metals experiencing a rebound, a bull spread combination strategy is suggested [2]. 3. Summary by Category 3.1 Futures Market Overview - The report presents the latest prices, price changes, trading volumes, and open interest of various metal futures contracts. For example, the latest price of copper (CU2601) is 91,770, with a price increase of 290 and a trading volume of 14.61 million lots [3]. 3.2 Option Factors 3.2.1 Volume - to - Open - Interest PCR - The report calculates the volume PCR and open - interest PCR for different metal options, which are used to describe the strength of the option underlying market and the turning point of the underlying market respectively [4]. 3.2.2 Pressure and Support Levels - The pressure and support levels of option underlying assets are determined from the strike prices with the largest open interest of call and put options. For instance, the pressure level of copper is 94,000 and the support level is 84,000 [5]. 3.2.3 Implied Volatility - The report provides information on the at - the - money implied volatility, weighted implied volatility, and historical implied volatility difference for each metal option [6]. 3.3 Option Strategies by Metal 3.3.1 Non - Ferrous Metals - **Copper**: Build a bull spread combination strategy for call options, a short volatility option selling combination strategy, and a spot long - hedging strategy [8]. - **Aluminum**: Construct a bull spread combination strategy for call options, a selling combination strategy of slightly bullish call and put options, and a spot collar strategy [10]. - **Zinc**: Build a selling combination strategy of neutral call and put options and a spot collar strategy [10]. - **Nickel**: Construct a selling combination strategy of slightly bearish call and put options and a spot covered - call strategy [11]. - **Tin**: Build a bull spread combination strategy for call options, a short volatility strategy, and a spot collar strategy [11]. - **Lithium Carbonate**: Construct a selling combination strategy of neutral call and put options and a spot long - hedging strategy [12]. 3.3.2 Precious Metals - **Silver**: Build a bull spread combination strategy for call options, a slightly bullish short volatility option selling combination strategy, and a spot hedging strategy [13]. 3.3.3 Black Metals - **Rebar**: Construct a selling combination strategy of slightly bearish call and put options and a spot long - covered - call strategy [14]. - **Iron Ore**: Build a selling combination strategy of slightly bearish call and put options and a spot long - collar strategy [14]. - **Ferro - alloys**: For manganese silicon, construct a short volatility strategy; for industrial silicon, build a bear spread combination strategy for put options, a short volatility selling combination strategy of call and put options, and a spot hedging strategy; for glass, construct a bear spread combination strategy for put options, a short volatility selling combination strategy of call and put options, and a spot long - collar strategy [15][16].

1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - For non - ferrous metals, a seller's neutral volatility strategy can be constructed as they are trending upwards; for the black series, a short - volatility combination strategy suits their large - amplitude fluctuating market; for precious metals, a bull spread combination strategy is recommended due to their rebound [2]. 3. Summary by Relevant Catalogs 3.1 Futures Market Overview - The latest prices, price changes, price change rates, trading volumes, volume changes, open interests, and open interest changes of various metal futures such as copper, aluminum, zinc, etc., are presented. For example, the latest price of copper futures (CU2601) is 91,020, down 1,040 with a decline rate of 1.13%, trading volume of 19.04 million lots (down 0.45 million lots), and open interest of 21.06 million lots (down 1.95 million lots) [3]. 3.2 Option Factors - Volume and Open Interest PCR - The volume and open interest PCR data of various metal options are provided. Volume PCR is used to describe whether the underlying asset's market has a turning point, and open interest PCR is used to describe the strength of the underlying asset's market. For example, the volume PCR of copper options is 0.40 (down 0.02), and the open interest PCR is 0.81 (down 0.01) [4]. 3.3 Option Factors - Pressure and Support Levels - The pressure and support levels of various metal options are analyzed. For example, the pressure level of copper options is 98,000, and the support level is 84,000 [5]. 3.4 Option Factors - Implied Volatility - The implied volatility data of various metal options are given, including at - the - money implied volatility, weighted implied volatility, and its change, annual average implied volatility, call and put implied volatility, 20 - day historical volatility, and the difference between implied and historical volatility. For example, the at - the - money implied volatility of copper options is 17.04%, and the weighted implied volatility is 20.50% (down 2.24%) [6]. 3.5 Strategy and Suggestions 3.5.1 Non - ferrous Metals - **Copper**: Construct a bull spread combination strategy for call options, a short - volatility seller's option combination strategy, and a spot long - hedging strategy [8]. - **Aluminum**: Construct a bull spread combination strategy for call options, a short - call + put option combination strategy with a bullish bias, and a spot collar strategy [9]. - **Zinc**: Construct a short - call + put option combination strategy with a neutral bias and a spot collar strategy [9]. - **Nickel**: Construct a short - call + put option combination strategy with a bearish bias and a spot covered - call strategy [10]. - **Tin**: Construct a bull spread combination strategy for call options, a short - volatility strategy, and a spot collar strategy [10]. - **Lithium Carbonate**: Construct a short - call + put option combination strategy with a neutral bias and a spot long - hedging strategy [11]. 3.5.2 Precious Metals - **Silver**: Construct a bull spread combination strategy for call options, a short - volatility option seller's combination strategy with a bullish bias, and a spot hedging strategy [12]. 3.5.3 Black Series - **Rebar**: Construct a short - call + put option combination strategy with a bearish bias and a spot long - covered - call strategy [13]. - **Iron Ore**: Construct a short - call + put option combination strategy with a bearish bias and a spot long - collar strategy [13]. - **Ferroalloys (Manganese Silicon and Silicon Ferrosilicon)**: For manganese silicon, construct a short - volatility strategy; for industrial silicon, construct a bear spread combination strategy for put options, a short - call + put option combination strategy, and a spot hedging strategy; for glass, construct a bear spread combination strategy for put options, a short - call + put option combination strategy, and a spot long - collar strategy [14][15].

成交集中度来到 45%，再次达到历史偏高经验值。结构风险在 11 月明显缓解，是行情能够持续修复的基础。 而科技仍然是 11 月 24 日以来修复的核心，其他板块尚未出现更强的叙事。受此影响，资金再次聚集到科技板块 （尤其是 AI 算力），推升成交集中度。例如，今日成交额前 10 的个股，基本与光模块、PCB 和半导体相关，尽 管还有商业航天、储能和机器人品种，但基本表现平平。而周期品种如有色、白酒、钢铁、煤炭等则大幅下跌， 可能受科技板块"虹吸"效应的影响。 [Table_Title] 资产配置日报：科技独树一帜 [Table_Title2] [Table_Summary] 12 月 9 日，股债呈现跷跷板行情，不过方向则变为债涨股跌。权益市场上演极致的分化行情，资金聚集于科 技板块，大部分非科技品种表现较弱；债市则在多空交织的背景下，在震荡中小幅下行。 权益市场缩量下跌。万得全 A下跌 0.55%，全天成交额 1.92 万亿元，较昨日（12 月 8 日）缩量 1339 亿 元。港股方面，恒生指数下跌 1.29%，恒生科技下跌 1.90%。南向资金净流入 5.31 亿港元，其中腾讯控股、小米 集团和阿里巴巴 ...

Report Date and Title - Report date: December 9, 2025 [1] - Report title: Metal Options Strategy Morning Report [1] Research Team - Lu Pinxian, Investment Research Manager, Qualification No.: F3047321, Trading Consultation No.: Z0015541, Email: lupx@wkqh.cn [2] - Huang Kehan, Options Researcher, Qualification No.: F03138607, Phone: 0755 - 23375252, Email: huangkh@wkqh.cn [2] - Li Renjun, Industrial Service, Qualification No.: F03090207, Trading Consultation No.: Z0016947, Email: lirj@wkqh.cn [2] Core Views - For non - ferrous metals, which are showing a bullish upward trend, construct a seller neutral volatility strategy [2] - For the black series, which maintain a large - amplitude volatile market trend, it is suitable to construct a short - volatility combination strategy [2] - For precious metals, which are rebounding and rising, construct a bull spread combination strategy [2] Market Overview of Underlying Futures Copper - Latest price: 92,400, Change: - 40, Change rate: - 0.04%, Volume: 19.49 (ten thousand lots), Volume change: 0.69, Open interest: 23.00 (ten thousand lots), Open interest change: - 0.64 [3] Aluminum - Latest price: 22,120, Change: - 25, Change rate: - 0.11%, Volume: 25.16 (ten thousand lots), Volume change: - 1.00, Open interest: 23.31 (ten thousand lots), Open interest change: - 1.22 [3] Zinc - Latest price: 23,170, Change: 60, Change rate: 0.26%, Volume: 18.03 (ten thousand lots), Volume change: 1.71, Open interest: 10.87 (ten thousand lots), Open interest change: 0.11 [3] Other Metals - Similar data for lead, nickel, tin, alumina, gold, silver, lithium carbonate, industrial silicon, polysilicon, rebar, iron ore, manganese silicon, ferrosilicon, and glass are also provided [3] Option Factors Volume and Open Interest PCR - Volume PCR and open interest PCR data for various metal options are presented, along with their changes [4] Pressure and Support Levels - Pressure and support levels for different metal options are given, calculated from the strike prices of the maximum open interest of call and put options [5] Implied Volatility - Data on at - the - money implied volatility, weighted implied volatility, and its change, annual average, call and put implied volatility, historical volatility, and the difference between implied and historical volatility are provided for each metal option [6] Strategy and Recommendations Non - Ferrous Metals - **Copper options**: Construct a call option bull spread strategy, a short - volatility seller option combination strategy, and a spot long hedging strategy [9] - **Aluminum options**: Construct a call option bull spread strategy, a short call + put option combination strategy, and a spot collar strategy [10] - **Zinc options**: Construct a short neutral call + put option combination strategy and a spot collar strategy [10] - **Nickel options**: Construct a short bearish call + put option combination strategy and a spot covered call strategy [11] - **Tin options**: Construct a call option bull spread strategy, a short - volatility strategy, and a spot collar strategy [11] - **Lithium carbonate options**: Construct a short neutral call + put option combination strategy and a spot long hedging strategy [12] Precious Metals - **Silver options**: Construct a call option bull spread strategy, a short - volatility option seller combination strategy with a bullish bias, and a spot hedging strategy [13] Black Series - **Rebar options**: Construct a short bearish call + put option combination strategy and a spot long covered call strategy [14] - **Iron ore options**: Construct a short bearish call + put option combination strategy and a long collar strategy [14] - **Ferroalloy options**: For manganese silicon, construct a short - volatility strategy; for industrial silicon, construct a short - volatility call + put option combination strategy; for glass, construct a put option bear spread strategy, a short - volatility call + put option combination strategy, and a long collar strategy [15][16]

1. Report Summary - The report provides a morning strategy for metal options on December 8, 2025, covering有色金属, precious metals, and black metals. It analyzes the fundamentals, market trends, and option factors of various metal options and offers corresponding option strategies and suggestions [2]. 2. Core Views - For non - ferrous metals with a bullish upward trend, construct a neutral volatility seller strategy; for black metals with large - amplitude fluctuations, build a short - volatility combination strategy; for precious metals with a rebound, construct a bull spread combination strategy [2]. 3. Directory Summaries 3.1 Futures Market Overview - The report presents the latest prices, price changes, trading volumes, and open interest changes of various metal futures contracts, including copper, aluminum, zinc, etc. For example, the latest price of copper (CU2601) is 92,380, up 820 with a 0.90% increase, and its trading volume is 18.81 million lots [3]. 3.2 Option Factors 3.2.1 Volume - to - Open - Interest PCR - It shows the volume, volume changes, open interest, open interest changes, volume PCR, and open - interest PCR of different metal options. For instance, the volume PCR of copper options is 0.43 with a 0.04 change, and the open - interest PCR is 0.87 with a 0.04 change [4]. 3.2.2 Pressure and Support Levels - From the perspective of option factors, the report lists the pressure points, support points, and the maximum open interest of call and put options for each metal option. For example, the pressure point of copper options is 90,000, and the support point is 84,000 [5]. 3.2.3 Implied Volatility - The report provides the at - the - money implied volatility, weighted implied volatility, its change, annual average, call implied volatility, put implied volatility, historical 20 - day volatility, and the difference between implied and historical volatility for each metal option. For example, the at - the - money implied volatility of copper options is 21.77%, and the weighted implied volatility is 23.22% with a 0.93 change [6]. 3.3 Strategy and Suggestions 3.3.1 Non - Ferrous Metals - **Copper Options**: With a tight supply of copper concentrates and a bullish price trend, construct a bull spread combination strategy for directional trading, a short - volatility seller option combination strategy for volatility trading, and a spot long - hedging strategy [9]. - **Aluminum Options**: Given the support from macro - expectations and supply disruptions, build a bull spread combination strategy, a short - call + short - put option combination strategy, and a spot collar strategy [10]. - **Zinc Options**: For zinc with a fluctuating and bullish - warming trend, use a short - call + short - put option combination strategy and a spot collar strategy [10]. - **Nickel Options**: Considering the current market situation of nickel, construct a short - call + short - put option combination strategy with a short - delta position and a spot covered - call strategy [11]. - **Tin Options**: With limited downside space for tin prices, build a bull spread combination strategy, a short - volatility strategy, and a spot collar strategy [11]. - **Lithium Carbonate Options**: Based on the inventory and market trends, use a short - call + short - put option combination strategy and a spot long - hedging strategy [12]. 3.3.2 Precious Metals - **Silver Options**: Driven by factors such as investors' optimistic attitude towards the Fed's interest - rate cuts, construct a bull spread combination strategy, a short - volatility option seller combination strategy with a long - delta position, and a spot hedging strategy [13]. 3.3.3 Black Metals - **Rebar Options**: Given the current situation of rebar, use a short - call + short - put option combination strategy with a short - delta position and a spot covered - call strategy [14]. - **Iron Ore Options**: Considering the inventory and market trends of iron ore, build a short - call + short - put option combination strategy and a spot long - collar strategy [14]. - **Ferroalloy Options**: For manganese silicon and industrial silicon, use short - volatility strategies, and for industrial silicon, also use a spot long - hedging strategy [15]. - **Glass Options**: Based on the market situation of glass, construct a bear spread combination strategy, a short - volatility strategy, and a spot long - collar strategy [16].