金属期权 2025-08-28 金属期权策略早报 | 卢品先 | 投研经理 | 从业资格号：F3047321 | 交易咨询号：Z0015541 | 邮箱：lupx@wkqh.cn | | --- | --- | --- | --- | --- | | 黄柯涵 | 期权研究员 | 从业资格号：F03138607 | 电话：0755-23375252 | 邮箱：huangkh@wkqh.cn | | 李仁君 | 产业服务 | 从业资格号：F03090207 | 交易咨询号：Z0016947 | 邮箱：lirj@wkqh.cn | 金属期权策略早报概要：（1）有色金属偏弱震荡，构建卖方中性波动率策略策略；（2）黑色系维持大幅度波动的 行情走势，适合构建做空波动率组合策略；（3）贵金属高位盘整震荡有所回落，构建现货避险策略。 表1：标的期货市场概况 | 期权品种 | 标的合约 | 最新价 | 涨跌 | 涨跌幅 | 成交量 | 量变化 | 持仓量 | 仓变化 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | （%） | (万手) | ...

金属期权 2025-08-26 金属期权策略早报 | 卢品先 | 投研经理 | 从业资格号：F3047321 | 交易咨询号：Z0015541 | 邮箱：lupx@wkqh.cn | | --- | --- | --- | --- | --- | | 黄柯涵 | 期权研究员 | 从业资格号：F03138607 | 电话：0755-23375252 | 邮箱：huangkh@wkqh.cn | | 李仁君 | 产业服务 | 从业资格号：F03090207 | 交易咨询号：Z0016947 | 邮箱：lirj@wkqh.cn | 金属期权策略早报概要：（1）有色金属偏弱震荡，构建卖方中性波动率策略策略；（2）黑色系维持大幅度波动的 行情走势，适合构建做空波动率组合策略；（3）贵金属高位盘整震荡有所回落，构建现货避险策略。 | 表1：标的期货市场概况 | | --- | | 期权品种 | 标的合约 | 最新价 | 涨跌 | 涨跌幅 | 成交量 | 量变化 | 持仓量 | 仓变化 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | （ ...

Group 1: Report Summary - The report is a metal options strategy morning report dated August 25, 2025, covering有色金属, precious metals, and black metals [1][2] - The overall strategy suggestions are to construct a seller neutral volatility strategy for non - ferrous metals in a weak shock, a short - volatility combination strategy for black metals with large fluctuations, and a spot hedging strategy for precious metals in a high - level consolidation [2] Group 2: Market Overview Futures Market - The latest prices, price changes, trading volumes, and open interest changes of various metal futures contracts are presented. For example, the latest price of copper (CU2510) is 79,120, up 420 (0.53%); the latest price of aluminum (AL2510) is 20,755, up 85 (0.41%) [3] Option Factors - **Volume and Open Interest PCR**: These indicators are used to describe the strength of the option underlying market and the turning point of the market. For example, the volume PCR of copper is 0.73, down 0.04; the open interest PCR is 0.85, down 0.02 [4] - **Pressure and Support Levels**: Determined from the strike prices of the maximum open interest of call and put options. For example, the pressure point of copper is 80,000 and the support point is 78,000 [5] - **Implied Volatility**: It includes at - the - money implied volatility, weighted implied volatility, etc. For example, the weighted implied volatility of copper is 15.17%, up 0.50% [6] Group 3: Strategy Suggestions for Different Metals Non - ferrous Metals - **Copper**: The fundamental situation shows that the inventory of the three major exchanges decreased by 0.04 million tons. The option strategy suggests constructing a short - volatility seller option combination strategy and a spot long - position hedging strategy [7] - **Aluminum/Alumina**: The domestic aluminum ingot social inventory increased by 0.8 million tons last week. The option strategy includes constructing a short - neutral call + put option combination strategy and a spot collar strategy [9] - **Zinc/Lead**: Zinc concentrate port and factory inventories are given. The option strategy is to construct a short - neutral call + put option combination strategy and a spot collar strategy [9] - **Nickel**: The spot market shows that traders have a strong willingness to hold prices. The option strategy includes constructing a short - bearish call + put option combination strategy and a spot covered call strategy [10] - **Tin**: The terminal demand increased slightly, and the inventory decreased significantly. The option strategy is to construct a short - volatility strategy and a spot collar strategy [10] - **Lithium Carbonate**: The domestic weekly inventory decreased by 0.5%. The option strategy includes constructing a short - neutral call + put option combination strategy and a spot long - position hedging strategy [11] Precious Metals - **Gold/Silver**: Powell's speech indicates the start of a new interest - rate cut cycle. The option strategy for gold is to construct a neutral short - volatility option seller combination strategy and a spot hedging strategy [12] Black Metals - **Rebar**: The social and factory inventories of rebar increased. The option strategy includes constructing a short - bearish call + put option combination strategy and a spot long - position covered call strategy [13] - **Iron Ore**: The inventory of imported iron ore in 47 ports increased. The option strategy is to construct a short - neutral call + put option combination strategy and a spot long - position collar strategy [13] - **Ferroalloys**: For manganese silicon, the production increased and the inventory decreased. The option strategy is to construct a short - volatility strategy [14] - **Industrial Silicon/Polysilicon**: The industrial silicon inventory remained high. The option strategy includes constructing a short - volatility call + put option combination strategy and a spot hedging strategy [14] - **Glass**: The total inventory of float glass enterprises increased. The option strategy is to construct a short - volatility call + put option combination strategy and a spot long - position collar strategy [15] Group 4: Charts - There are price trend charts, option trading volume and open interest charts, option factor charts (such as PCR, implied volatility) for various metals, including copper, aluminum, zinc, etc. These charts visually present the market conditions and option factors of each metal [18][20][26]

Report Industry Investment Rating No relevant information provided. Core View of the Report The report analyzes the activity, price changes, market volatility, and sentiment of the commodity options market in the 34th week of 2025 (August 18 - August 22). It suggests investors focus on trading opportunities in actively traded varieties and provides insights on potential risks and opportunities based on price movements and volatility [1][2]. Summary by Directory 1. Commodity Options Market Activity - Market activity declined compared to last week, with average daily trading volume at 6.46 million lots and average daily open interest at 7.32 million lots, down 26.6% and 28.23% respectively [1][6]. - Actively traded varieties included soda ash (590,000 lots), glass (510,000 lots), and palm oil (400,000 lots) [1][6]. - Three varieties saw trading volume growth of over 100%, with p-xylene (+1327%), synthetic rubber (+125%), and staple fiber (+122%) showing significant increases [1][6]. - Varieties with significant trading volume declines were rapeseed meal (-85%), rapeseed oil (-85%), and soybean oil (-72%) [1][6]. - Varieties with high average daily open interest were rebar (630,000 lots), soda ash (620,000 lots), and soybean meal (600,000 lots) [1][6]. - Varieties with rapid open interest growth were p-xylene (+188%), synthetic rubber (+77%), and polysilicon (+50%) [1][6]. 2. This Week's Commodity Options Main Data Review - **Underlying Price Changes**: Most commodity option underlying futures declined, with 37 varieties closing lower for the week. High weekly gainers included caustic soda (+4.26%), p-xylene (+4.16%), and staple fiber (+3.34%); high weekly losers were lithium carbonate (-9.14%), soda ash (-4.95%), and ferrosilicon (-9.14%) [2][15]. - **Market Volatility**: The implied volatility of some commodity options declined weekly, with 39 varieties having current implied volatility below the 50th percentile of the past year. Varieties at historical highs included polysilicon, eggs, and industrial silicon; those at historical lows included the agricultural products sector and non-ferrous metals [2][15]. - **Options Market Sentiment**: Varieties such as lithium carbonate and soybean meal had high volume PCRs, indicating strong short-term bearish sentiment. Varieties like ethylene glycol, styrene, aluminum, and PTA had low volume PCRs, showing concentrated short-term bullish sentiment. Lithium carbonate, polysilicon, caustic soda, and soda ash had high open interest PCRs, suggesting high bearish sentiment; while styrene, ethylene glycol, nickel, and plastic had low open interest PCRs, indicating bullish sentiment accumulation [2][15]. 3. Key Data Overview of Major Varieties This chapter presents key data on major varieties, including trading volume, volatility, and options market sentiment indicators. More detailed data can be accessed on the Dongzheng Fanwei official website (https://www.finoview.com.cn/) [19]. - **Energy**: Data on crude oil, including trading volume, volatility, open interest PCR, and volume PCR, are presented through various charts [20][22][23]. - **Chemicals**: - **PTA**: Data on trading volume, volatility, open interest PCR, and volume PCR are presented through charts [26][27][29]. - **Caustic Soda**: Similar data are presented for caustic soda [35][36][38]. - **Glass**: Data on glass are presented in a similar manner [42][43][44]. - **Soda Ash**: Data on soda ash are presented through charts [48][49][52]. - **Precious Metals**: Data on silver, including trading volume, volatility, open interest PCR, and volume PCR, are presented through charts [54][55][56]. - **Ferrous Metals**: - **Iron Ore**: Data on iron ore are presented through charts [62][63][66]. - **Silicomanganese**: Similar data are presented for silicomanganese [70][71][72]. - **Non-Ferrous Metals**: - **Copper**: Data on copper are presented through charts [77][78][84]. - **Alumina**: Data on alumina are presented in a similar manner [93][88][90]. - **Agricultural Products**: - **Soybean Meal**: Data on soybean meal are presented through charts [94][96][98]. - **Palm Oil**: Similar data are presented for palm oil [102][110][103]. - **Cotton**: Data on cotton are presented through charts [111][112][113].

金属期权 2025-08-22 金属期权策略早报 | 卢品先 | 投研经理 | 从业资格号：F3047321 | 交易咨询号：Z0015541 | 邮箱：lupx@wkqh.cn | | --- | --- | --- | --- | --- | | 黄柯涵 | 期权研究员 | 从业资格号：F03138607 | 电话：0755-23375252 | 邮箱：huangkh@wkqh.cn | | 李仁君 | 产业服务 | 从业资格号：F03090207 | 交易咨询号：Z0016947 | 邮箱：lirj@wkqh.cn | 表2：期权因子—量仓PCR | 期权品种 | 成交量 | 量变化 | 持仓量 | 仓变化 | 成交量 | 量PCR | 持仓量 | 仓PCR | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | | PCR | 变化 | PCR | 变化 | | 铜 | 78,247 | -4,389 | 118,896 | -300 | 0.77 | -0.16 | 0.87 | -0.01 | | 铝 | 48,439 ...

Report Summary 1. Investment Rating The report does not provide an overall investment rating for the metal options industry. 2. Core Viewpoints - The non - ferrous metals are in a weak and volatile state, and a seller's neutral volatility strategy is recommended. - The black metals show significant fluctuations, and a short - volatility portfolio strategy is suitable. - The precious metals are consolidating at high levels with a slight decline, and a spot hedging strategy is advised [2]. 3. Summary by Relevant Catalogs 3.1. Futures Market Overview - **Copper (CU2510)**: The latest price is 78,700, up 150 (0.19%). The trading volume is 4.84 million lots (up 2.48 million lots), and the open interest is 13.98 million lots (up 0.18 million lots) [3]. - **Aluminum (AL2510)**: The latest price is 20,565, up 75 (0.37%). The trading volume is 12.82 million lots (up 2.30 million lots), and the open interest is 22.80 million lots (down 0.67 million lots) [3]. - Other metals such as zinc, lead, nickel, etc., also have detailed price, trading volume, and open - interest data provided in the report [3]. 3.2. Option Factors - Volume and Open Interest PCR - **Copper**: The volume PCR is 0.93 (up 0.19), and the open - interest PCR is 0.88 (up 0.07) [4]. - **Aluminum**: The volume PCR is 1.26 (up 0.09), and the open - interest PCR is 0.91 (unchanged) [4]. 3.3. Option Factors - Pressure and Support Levels - **Copper**: The pressure point is 80,000, and the support point is 78,000 [5]. - **Aluminum**: The pressure point is 20,800, and the support point is 20,000 [5]. 3.4. Option Factors - Implied Volatility - **Copper**: The at - the - money implied volatility is 8.38%, and the weighted implied volatility is 13.00% (down 0.73%) [6]. - **Aluminum**: The at - the - money implied volatility is 9.10%, and the weighted implied volatility is 12.07% (down 0.58%) [6]. 3.5. Strategy and Recommendations - **Non - ferrous Metals (e.g., Copper)**: - **Fundamentals**: The combined inventory of the three major exchanges increased by 0.7 million tons, with the SHFE inventory increasing by 0.4 million tons to 8.6 million tons [7]. - **Market Analysis**: Since June, it has shown a bullish trend, with a high - level consolidation pattern since August [7]. - **Option Strategy**: Build a short - volatility seller's option portfolio strategy and a spot long - hedging strategy [7]. - **Precious Metals (e.g., Gold)**: - **Fundamentals**: The US CPI and core CPI data in July have different year - on - year and month - on - month changes [12]. - **Market Analysis**: Shanghai gold has been in a high - level consolidation and decline recently [12]. - **Option Strategy**: Construct a neutral short - volatility option seller's portfolio strategy and a spot hedging strategy [12]. - **Black Metals (e.g., Rebar)**: - **Fundamentals**: The social inventory of rebar increased by 6.8% week - on - week, and the factory inventory increased by 2.4% week - on - week [13]. - **Market Analysis**: Since June, it has been in a low - level consolidation and then a rebound, followed by a decline recently [13]. - **Option Strategy**: Build a bear - spread option strategy, a short - volatility strategy, and a spot long - covered call strategy [13].

1. Report Industry Investment Rating - Not provided in the content 2. Core Viewpoints of the Report - For non - ferrous metals, construct a seller neutral volatility strategy as they are in a weak and volatile state [2] - For the black series, build a short - volatility combination strategy due to their large - amplitude fluctuations [2] - For precious metals, construct a spot hedging strategy as they are consolidating at high levels and have declined [2] 3. Summary by Relevant Catalogs 3.1 Futures Market Overview - The latest prices, price changes, trading volumes, and open interest changes of 17 metal futures contracts including copper, aluminum, and zinc are presented [3] 3.2 Option Factors - Volume and Open Interest PCR - The volume PCR and open interest PCR of various metal options are provided, which are used to describe the strength of options underlying market trends and the turning points of the underlying market trends respectively [4] 3.3 Option Factors - Pressure and Support Levels - From the perspective of the strike prices with the largest open interest of call and put options, the pressure and support levels of various metal options are given [5] 3.4 Option Factors - Implied Volatility - The implied volatility data of various metal options are presented, including at - the - money implied volatility, weighted implied volatility, and the difference between implied and historical volatility [6] 3.5 Strategy and Recommendations 3.5.1 Non - ferrous Metals - **Copper**: Build a short - volatility seller option portfolio strategy and a spot long - hedging strategy [7] - **Aluminum/Alumina**: Construct a short - neutral call + put option combination strategy and a spot collar strategy [9] - **Zinc/Lead**: Build a short - neutral call + put option combination strategy and a spot collar strategy [9] - **Nickel**: Construct a short - bearish call + put option combination strategy and a spot covered - call strategy [10] - **Tin**: Build a short - volatility strategy and a spot collar strategy [10] - **Lithium Carbonate**: Construct a short - bullish call + put option combination strategy and a spot long - hedging strategy [11] 3.5.2 Precious Metals - **Gold/Silver**: Build a neutral short - volatility option seller combination strategy and a spot hedging strategy [12] 3.5.3 Black Series - **Rebar**: Construct a bearish call spread strategy, a short - bearish call + put option combination strategy, and a spot covered - call strategy [13] - **Iron Ore**: Build a short - bearish call + put option combination strategy and a spot collar strategy [13] - **Ferroalloys**: Build a short - volatility strategy for manganese silicon [14] - **Industrial Silicon/Polysilicon**: Construct a short - volatility call + put option combination strategy and a spot hedging strategy [14] - **Glass**: Build a bearish call spread strategy, a short - volatility call + put option combination strategy, and a spot collar strategy [15] 3.6 Charts - Price charts, option volume and open interest charts, PCR charts, implied volatility charts, historical volatility cone charts, and pressure and support level charts of various metals such as copper, aluminum, and zinc are provided [18][38][57]

1. Report Industry Investment Rating - No information provided in the document. 2. Core Views of the Report - The non - ferrous metals are in a moderately bullish and volatile trend, and a seller's neutral volatility strategy is recommended; the black metals are experiencing significant fluctuations, suitable for a short - volatility portfolio strategy; the precious metals are consolidating at high levels, and a spot hedging strategy is suggested [2]. 3. Summary by Related Catalogs 3.1 Futures Market Overview - Copper (CU2509) is priced at 78,840, down 180 (-0.23%), with a trading volume of 4.48 million lots (down 0.53 million) and an open interest of 14.74 million lots (down 0.51 million) [3]. - Aluminum (AL2509) is at 20,615, up 5 (0.02%), trading volume of 10.94 million lots (up 1.30 million), and open interest of 17.30 million lots (down 2.08 million) [3]. - Similar data is provided for other metals such as zinc, lead, nickel, etc. 3.2 Option Factors - Volume and Open Interest PCR - For copper, the volume PCR is 0.63 (up 0.01), and the open - interest PCR is 0.78 (unchanged) [4]. - Aluminum has a volume PCR of 1.04 (up 0.37) and an open - interest PCR of 0.87 (down 0.04) [4]. - Similar data is available for other metals. 3.3 Option Factors - Pressure and Support Levels - Copper has a pressure point at 80,000 (offset - 2,000) and a support point at 78,000 (offset 0) [5]. - Aluminum's pressure point is 21,000 (offset 0) and support point is 20,000 (offset 0) [5]. - Similar data for other metals is presented in the report. 3.4 Option Factors - Implied Volatility - Copper's at - the - money implied volatility is 8.89%, weighted implied volatility is 14.24% (up 0.48%), and the difference between implied and historical volatility is - 5.44 [6]. - Aluminum's at - the - money implied volatility is 9.23%, weighted implied volatility is 13.24% (up 0.47%), and the difference between implied and historical volatility is - 2.32 [6]. - Similar data for other metals is provided. 3.5 Strategy and Recommendations 3.5.1 Non - ferrous Metals - **Copper**: Fundamental analysis shows that the inventory of the three major exchanges has increased by 0.7 million tons. The market has been in a high - level consolidation since June. The implied volatility is at the historical average, and the open - interest PCR is below 0.80. Recommended strategies include a short - volatility seller's option portfolio and a spot long - hedging strategy [7]. - **Aluminum**: The domestic inventory has increased. The market shows a bullish trend with high - level consolidation. The implied volatility is below the historical average, and the open - interest PCR is around 0.80. Recommended strategies include a short - neutral call + put option combination and a spot collar strategy [9]. - Similar analyses and strategies are provided for zinc, lead, nickel, tin, and lithium carbonate. 3.5.2 Precious Metals - **Gold**: The US CPI data shows a complex situation. The market is in a short - term strong consolidation. The implied volatility is around the historical average, and the open - interest PCR is below 0.60. Recommended strategies include a short - neutral volatility option seller's combination and a spot hedging strategy [12]. - **Silver**: Similar to gold, with specific market analysis and recommended strategies [12]. 3.5.3 Black Metals - **Rebar**: The social and factory inventories have increased. The market has been in a consolidation with some rebounds. The implied volatility is at a relatively high level, and the open - interest PCR is around 0.60. Recommended strategies include a short - neutral call + put option combination and a spot long - covered call strategy [13]. - **Iron ore**: The port inventory has increased, and the market is in a moderately bullish consolidation. The implied volatility is above the historical average, and the open - interest PCR is above 1.00. Recommended strategies include a short - neutral call + put option combination and a spot long - collar strategy [13]. - Similar analyses and strategies are provided for ferroalloys, industrial silicon, polysilicon, and glass.

1. Report Industry Investment Rating - No relevant content provided 2. Core Viewpoints of the Report - The report provides a comprehensive analysis of the metal options market, covering various metals such as non - ferrous metals, precious metals, and black metals. It analyzes the fundamentals, market trends, and option factors of each metal, and gives corresponding option strategies and suggestions [8] 3. Summary by Related Catalogs 3.1 Futures Market Overview - The report presents the latest prices, price changes, trading volumes, and open interest of various metal futures contracts, including copper, aluminum, zinc, etc [3] 3.2 Option Factors 3.2.1 Volume and Open Interest PCR - The volume PCR and open interest PCR of different metal options are presented, which are used to describe the strength of the option underlying market and the turning point of the underlying market [4] 3.2.2 Pressure and Support Levels - The pressure points, support points, maximum call option open interest, and maximum put option open interest of different metal options are provided, which are used to analyze the pressure and support levels of the underlying assets [5] 3.2.3 Implied Volatility - The implied volatility of different metal options is presented, including at - the - money implied volatility, weighted implied volatility, etc [6] 3.3 Strategy and Suggestions 3.3.1 Non - ferrous Metals - **Copper Options**: Build a short - volatility seller option portfolio strategy for volatility strategies and a spot hedging strategy for spot long - position hedging [7] - **Aluminum/Alumina Options**: Construct a neutral short - call + short - put option portfolio strategy for volatility strategies and a spot collar strategy for spot long - position hedging [9] - **Zinc/Lead Options**: Build a neutral short - call + short - put option portfolio strategy for volatility strategies and a spot collar strategy for spot long - position hedging [9] - **Nickel Options**: Construct a short - bearish call + short - put option portfolio strategy for volatility strategies and a spot long - position hedging strategy [10] - **Tin Options**: Build a short - volatility strategy for volatility strategies and a spot collar strategy for spot long - position hedging [10] - **Lithium Carbonate Options**: Construct a short - bullish call + short - put option portfolio strategy for volatility strategies and a spot long - position hedging strategy [11] 3.3.2 Precious Metals - **Gold/Silver Options**: Build a neutral short - volatility option seller portfolio strategy for volatility strategies and a spot hedging strategy for spot long - position hedging [12] 3.3.3 Black Metals - **Rebar Options**: Build a neutral short - call + short - put option portfolio strategy for volatility strategies and a spot covered - call strategy for spot long - position hedging [13] - **Iron Ore Options**: Build a neutral short - call + short - put option portfolio strategy for volatility strategies and a long - position collar strategy for spot long - position hedging [13] - **Ferroalloy Options**: Build a short - volatility strategy for volatility strategies and no spot hedging strategy [14] - **Industrial Silicon/Polysilicon Options**: Build a short - volatility short - call + short - put option portfolio strategy for volatility strategies and a spot long - position hedging strategy [14] - **Glass Options**: Build a short - volatility short - call + short - put option portfolio strategy for volatility strategies and a long - position collar strategy for spot long - position hedging [15]

Report Title - "Commodity Options Weekly Report: Week 33 of 2025" [1] 1. Report Industry Investment Rating - Not provided in the given content 2. Core Viewpoints of the Report - The activity level of the commodity options market in the week from August 11 - 15, 2025, was basically flat compared to the previous week. Investors are advised to focus on potential market opportunities in actively - traded varieties [2][9] - The underlying futures of commodity options showed mixed performance this week, with the energy - chemical and non - ferrous sectors mainly rising. Attention should be paid to risks and opportunities based on factors such as price fluctuations, implied volatility, and market sentiment [3][17][18] 3. Summary by Relevant Catalogs 3.1 Commodity Options Market Activity - The average daily trading volume was 8.81 million lots, with a week - on - week increase of 4.19%, and the average daily open interest was 10.2 million lots, with a week - on - week decrease of 18.19% [2][5][9] - Actively - traded varieties in terms of average daily trading volume included glass (1.07 million lots), soda ash (1.06 million lots), and soybean meal (0.6 million lots) [2][5][9] - Five varieties had trading volume growth of over 100%, with significant growth in synthetic rubber (+362%), Shanghai tin (+265%), and apples (+108%). Meanwhile, polycrystalline silicon (-77%), industrial silicon (-66%), and urea (-53%) had obvious trading volume declines [2][9] - Varieties with high average daily open interest were soybean meal (1.07 million lots), glass (0.96 million lots), and soda ash (0.87 million lots). Synthetic rubber (+58%), Shanghai tin (+37%), and p - xylene (+37%) had rapid week - on - week growth in average daily open interest [2][9] 3.2 This Week's Commodity Options Main Data Review 3.2.1 Underlying Price Fluctuations - There were 28 varieties with weekly gains, including lithium carbonate (+12.92%), palm oil (+5.11%), and soda ash (+4.73%); 23 varieties had weekly losses, including methanol (-2.55%), eggs (-2.30%), and logs (-1.87%) [3][17] 3.2.2 Market Volatility - The implied volatility of some commodity options varieties rebounded this week, with 23 varieties having current implied volatility above the 50th percentile of the past year. High - implied - volatility varieties included corn starch, eggs, logs, etc., and short - volatility opportunities were recommended. Low - implied - volatility varieties included non - ferrous metals, precious metals, plastics, etc., where buying options had a higher cost - performance ratio [3][17] 3.2.3 Options Market Sentiment - Varieties such as p - xylene, bottle chips, and soybean meal had a high volume PCR, indicating strong short - term bearish sentiment. Glass, rubber, soda ash, and rapeseed oil had a low volume PCR, showing concentrated short - term bullish sentiment [3][18] - P - xylene, lithium carbonate, and soda ash had a high open - interest PCR, indicating a high level of accumulated bearish sentiment. Nickel, logs, sugar, and rubber had a low open - interest PCR, indicating accumulated bullish sentiment [3][18] 3.3 Key Data Overview of Main Varieties - This chapter presents key data of main varieties, including trading volume, volatility, and options market sentiment indicators. More detailed data can be accessed on the Dongzheng Finoview official website (https://www.finoview.com.cn/) [22]