隐含波动率
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金属期权策略早报:金属期权-20250930
Wu Kuang Qi Huo· 2025-09-30 02:45
Group 1: Report Overview - Report title: Metal Options Strategy Morning Report [1] - Date: September 30, 2025 [1] Group 2: Core Views - For non - ferrous metals in range - bound oscillations, construct a neutral volatility strategy for option sellers [2] - For the black metals sector with large - amplitude fluctuations, build a short - volatility portfolio strategy [2] - For precious metals with upward breakouts, construct a spot hedging strategy [2] Group 3: Futures Market Overview - For copper (CU2511), the latest price is 83,680, up 1,610 or 1.96%, with a trading volume of 13.85 million lots (down 3.62 million) and open interest of 21.38 million lots (down 1.53 million) [3] - For aluminum (AL2511), the latest price is 20,770, up 65 or 0.31%, trading volume 13.29 million lots (up 1.77 million), and open interest 20.39 million lots (down 0.89 million) [3] - Similar data are provided for other metals including zinc, lead, nickel, etc. [3] Group 4: Option Factor - Volume and Open Interest PCR - For copper options, the volume PCR is 0.27 (up 0.01), and the open - interest PCR is 0.73 (up 0.02) [4] - For aluminum options, the volume PCR is 0.63 (up 0.01), and the open - interest PCR is 0.90 (up 0.05) [4] - Other metals' PCR data are also presented [4] Group 5: Option Factor - Pressure and Support Levels - For copper options, the pressure point is 92,000, and the support point is 82,000 [5] - For aluminum options, the pressure point is 20,800, and the support point is 19,900 [5] - Pressure and support levels for other metals are also given [5] Group 6: Option Factor - Implied Volatility - For copper options, the at - the - money implied volatility is 20.75%, the weighted implied volatility is 27.04% (down 0.59%), and the difference between implied and historical volatility is 6.29% [6] - For aluminum options, the at - the - money implied volatility is 12.19%, the weighted implied volatility is 14.40% (up 0.16%), and the difference is 1.63% [6] - Implied volatility data for other metals are also provided [6] Group 7: Option Strategies for Non - Ferrous Metals Copper Options - Fundamental analysis: Total inventories in three major exchanges decreased by 0.6 million tons. SHFE inventories decreased by 0.7 to 9.9 million tons, LME inventories decreased by 0.3 to 14.4 million tons, and COMEX inventories increased by 0.4 to 29.1 million tons [7] - Market analysis: Shanghai copper showed a bullish high - level consolidation trend [7] - Option factor analysis: Implied volatility is above the historical average, open - interest PCR is around 0.70, pressure point is 92,000, and support point is 80,000 [7] - Strategy suggestions: Construct a bull - spread strategy for call options and a short - volatility option seller portfolio strategy, and a spot long - hedging strategy [7] Other Non - Ferrous Metals - Strategies for aluminum, zinc, lead, nickel, tin, and lithium carbonate options are also provided, including fundamental analysis, market analysis, option factor analysis, and strategy suggestions [9][10][11] Group 8: Option Strategies for Precious Metals Gold Options - Fundamental analysis: Holdings of major gold ETFs increased by 3.79% this month, and total open interest of Shanghai gold and COMEX gold increased [12] - Market analysis: Shanghai gold continued its bullish trend, reaching a new high [12] - Option factor analysis: Implied volatility is around the historical average, open - interest PCR is below 0.80, pressure point is 888, and support point is 800 [12] - Strategy suggestions: Construct a bull - spread strategy for call options, a short - volatility option seller portfolio strategy, and a spot hedging strategy [12] Silver Options - Strategies for silver options are also provided, including fundamental analysis, market analysis, option factor analysis, and strategy suggestions [12] Group 9: Option Strategies for Black Metals Steel and Iron Ore Options - Strategies for rebar, iron ore, ferroalloys, industrial silicon, polysilicon, and glass options are provided, including fundamental analysis, market analysis, option factor analysis, and strategy suggestions [13][14][15]
能源化工期权策略早报:能源化工期权-20250930
Wu Kuang Qi Huo· 2025-09-30 02:32
Group 1: Report Overview - Report title: Energy Chemical Options Strategy Morning Report [2] - Report date: September 30, 2025 [2] - Covered option types: Energy (crude oil, LPG), polyolefins (PP, PVC, plastic, styrene), polyesters (PX, PTA, short - fiber, bottle - chip), alkali chemicals (caustic soda, soda ash), and others (rubber) [3] - Overall strategy: Construct option portfolio strategies mainly as sellers, and use spot hedging or covered strategies to enhance returns [3] Group 2: Underlying Futures Market Overview - Multiple underlying futures are involved, including crude oil, LPG, methanol, etc. For example, the latest price of crude oil (SC2511) is 480, down 14 (-2.87%); LPG (PG2511) is 4,313, up 18 (0.42%) [4] Group 3: Option Factors - Volume and Position PCR - Volume and position PCR are calculated for various options. For instance, the volume PCR of crude oil is 0.59 (-0.07), and the position PCR is 1.07 (-0.02) [5] Group 4: Option Factors - Pressure and Support Levels - Pressure and support levels are provided for different options. For example, the pressure point of crude oil is 570, and the support point is 480 [6] Group 5: Option Factors - Implied Volatility - Implied volatility data is presented for each option. For example, the flat - value implied volatility of crude oil is 44.085, and the weighted implied volatility is 48.59 (4.75) [7] Group 6: Option Strategies and Recommendations Energy - related Options - **Crude oil**: - Fundamental analysis: OPEC+ plans to return 1.66 million barrels per day of production capacity, but the Russia - Ukraine situation causes supply uncertainty. US EIA demand is weak, and the effect of interest - rate cuts needs observation [8] - Market analysis: Since July, it has shown a bearish trend with some rebounds. It is currently in a warming - up market with upper pressure [8] - Option factor research: Implied volatility is at a relatively high level, position PCR is above 1.00, indicating support below [8] - Strategies: Volatility strategy - construct a neutral short - call + short - put option combination; spot long - hedging strategy - construct a long - collar strategy [8] - **LPG**: - Fundamental analysis: PDH device maintenance is stable, but profit is declining. It is expected that capacity utilization will fall below 70% in the peak season [10] - Market analysis: It has shown an oversold - rebound market with upper pressure since July [10] - Option factor research: Implied volatility has dropped to near the average, position PCR is below 0.80, indicating a weak trend [10] - Strategies: Similar to crude oil, construct a neutral short - call + short - put option combination and a long - collar strategy for spot hedging [10] Alcohol - related Options - **Methanol**: - Fundamental analysis: Port and enterprise inventories are decreasing, and pre - holiday downstream stocking has led to inventory reduction [10] - Market analysis: It has shown a weak - rebound market with upper pressure since July [10] - Option factor research: Implied volatility is around the historical average, position PCR is below 0.80, indicating a weak - oscillating trend [10] - Strategies: Volatility strategy - construct a short - biased short - call + short - put option combination; spot long - hedging strategy - construct a long - collar strategy [10] - **Ethylene glycol**: - Fundamental analysis: Port inventory is expected to oscillate at a low level in the short term and turn to a stocking cycle later [11] - Market analysis: It has shown a weak - bearish market with upper pressure since July [11] - Option factor research: Implied volatility is below the average, position PCR is around 0.70, indicating strong bearish power [11] - Strategies: Directional strategy - construct a bear - spread put option combination; volatility strategy - construct a short - volatility strategy; spot long - hedging strategy - hold spot long + buy put option + sell out - of - the - money call option [11] Polyolefin - related Options - **Polypropylene**: - Fundamental analysis: PP inventory pressure is higher than PE. Production and trade inventories are mostly decreasing, but port inventory is increasing [12] - Market analysis: It has shown a weak - bearish market with upper pressure since July [12] - Option factor research: Implied volatility has dropped to near the average, position PCR is around 0.70, indicating a weak trend [12] - Strategies: Spot long - hedging strategy - hold spot long + buy at - the - money put option + sell out - of - the - money call option [12] Rubber - related Options - **Rubber**: - Fundamental analysis: Pre - holiday stocking is over, and buying sentiment has weakened, leading to a decline in rubber prices [13] - Market analysis: It has shown a weak - oscillating market with upper and lower boundaries since July [13] - Option factor research: Implied volatility has dropped to near the average after a sharp rise, position PCR is below 0.60, indicating a weak trend [13] - Strategies: Volatility strategy - construct a short - biased short - call + short - put option combination [13] Polyester - related Options - **PTA**: - Fundamental analysis: Domestic PTA weekly production and capacity utilization are decreasing, and social inventory is also decreasing [14] - Market analysis: It has shown a weak - bearish market with upper pressure since July [14] - Option factor research: Implied volatility is at a relatively high level, position PCR is around 0.70, indicating an oscillating trend [14] - Strategies: Volatility strategy - construct a short - biased short - call + short - put option combination [14] Alkali - related Options - **Caustic soda**: - Fundamental analysis: The caustic soda market is stable with some fluctuations. Some enterprises have device maintenance, and downstream demand is weak [15] - Market analysis: It has shown a downward - oscillating market with upper pressure recently [15] - Option factor research: Implied volatility is at a high level, position PCR is below 0.90, indicating a weak - oscillating trend [15] - Strategies: Directional strategy - construct a bear - spread put option combination; spot long - hedging strategy - construct a long - collar strategy [15] - **Soda ash**: - Fundamental analysis: Factory inventory is decreasing, and inventory available days are also decreasing [15] - Market analysis: It has shown a low - level weak - oscillating market with support below [15] - Option factor research: Implied volatility is at a relatively high historical level, position PCR is below 0.60, indicating strong bearish pressure [15] - Strategies: Volatility strategy - construct a short - volatility combination; spot long - hedging strategy - construct a long - collar strategy [15] Urea - related Options - **Urea**: - Fundamental analysis: Enterprise and port inventories are increasing, indicating an oversupply situation [16] - Market analysis: It has shown a low - level weak - oscillating market since July [16] - Option factor research: Implied volatility is fluctuating around the historical average, position PCR is below 0.60, indicating strong bearish pressure [16] - Strategies: Volatility strategy - construct a short - biased short - call + short - put option combination; spot long - hedging strategy - hold spot long + buy at - the - money put option + sell out - of - the - money call option [16]
波动率数据日报-20250929
Yong An Qi Huo· 2025-09-29 11:23
Group 1: Explanation of Volatility Metrics - Financial option implied volatility index reflects the 30 - day implied volatility (IV) trend as of the previous trading day. Commodity option implied volatility index is obtained by weighting the IV of the upper and lower two - strike options of the at - the - money option of the main contract month, showing the IV change trend of the main contract [2] - The difference between the IV index and historical volatility (HV) indicates the relative level of IV to HV. A larger difference means IV is relatively higher than HV, and a smaller difference means IV is relatively lower [2] Group 2: Volatility Data Visualization - There are charts showing the IV, HV, and IV - HV differences of various financial and commodity options, including 300 - stock index, 50ETF, 1000 - stock index, 500ETF, and many commodity options like silver, gold, soybean meal, etc [3] Group 3: Implied Volatility and Historical Volatility Quantiles - Implied volatility quantiles represent the current IV level of a variety in history. High quantiles mean the current IV is high, and low quantiles mean it is low. The data shows the implied and historical volatility quantiles of different options such as 50ETF, PTA, 300 - stock index, etc [4][5]
大A之外,还有一个资产会持续爆发!
大胡子说房· 2025-09-29 10:35
Core Viewpoint - The article emphasizes the significant rise in gold prices, which have reached a historical high of $3,800 per ounce, reflecting a nearly 45% increase this year, outperforming all other major asset classes [1][2]. Market Analysis - The rise in gold prices is attributed to the declining credibility of the US dollar and its assets, particularly due to the perceived loss of independence of the Federal Reserve, influenced by political interventions [1]. - The supply of gold has become tight, with a decrease in available inventories in London, leading to increased demand for physical gold as institutions prefer to hold it rather than sell futures contracts for profit [1][2]. Volatility and Market Sentiment - The implied volatility of gold, measured by the SPDR Gold Trust options, is currently at 15%, significantly lower than the 26% observed in April, indicating that the market is not in a state of excessive optimism, which could support further price increases [1][2]. Future Outlook - The upward trend in gold prices is expected to continue until at least November, driven by ongoing buying interest in gold options and the potential for a Federal Reserve rate cut in October [3]. - The uncertainty surrounding December's rate cut may lead to a reduction in bullish sentiment, potentially signaling a peak in gold prices [3]. Investment Strategy - The article suggests that despite the current market dynamics, there are still opportunities for explosive growth in various assets, including gold, and emphasizes the importance of early positioning in the market [4][5].
QCP:BTC 回升至 11.2 万美元,关注本周能否突破 11.5 万美元
Xin Lang Cai Jing· 2025-09-29 10:21
Core Insights - QCP's latest analysis indicates that BTC has rebounded to $112,000 and ETH to $4,100 [1] - Despite significant fund outflows from ETFs last Friday, the spot market remains stable, and the quarterly basis recovery has been absorbed by the market [1] - The perpetual contract leverage has re-emerged, with open interest increasing and funding rates turning positive, although implied volatility has continued to decline ahead of this Friday's non-farm payroll data [1] - BTC has seen a cumulative increase of over 3% this month, with the next key resistance level at $115,000 [1]
金属期权策略早报:金属期权-20250929
Wu Kuang Qi Huo· 2025-09-29 02:43
Group 1: General Information - The report is a metal options strategy morning report dated September 29, 2025 [1] - The research team includes Lu Pinxian, Huang Kehan, and Li Renjun [2] - The metal - related sectors are divided into non - ferrous metals, precious metals, and black metals. Options strategies and suggestions are provided for selected varieties in each sector [8] Group 2: Market Overview - The report provides the latest prices, price changes, trading volumes, and open interest of various metal futures contracts, such as copper (CU2511 closed at 81,890 with a - 0.79% change), aluminum (AL2511 at 20,660 with a - 0.55% change), etc. [3] Group 3: Option Factors 3.1 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 underlying asset's market and potential turning points. For example, the volume PCR of copper is 0.26 with a - 0.02 change, and the open interest PCR is 0.70 with a 0.01 change [4] 3.2 Pressure and Support Levels - The pressure points, support points, and the corresponding offsets of various metal options are given. For instance, the pressure point of copper is 92,000 with an 8,000 offset, and the support point is 80,000 with a 2,000 offset [5] 3.3 Implied Volatility - The report shows the at - the - money implied volatility, weighted implied volatility, changes in weighted implied volatility, annual average implied volatility, call and put implied volatilities, and the difference between implied and historical volatilities for each metal option. For example, the at - the - money implied volatility of copper is 20.97%, and the weighted implied volatility is 27.63% with a 1.87 change [6] Group 4: Strategy Recommendations 4.1 Non - Ferrous Metals - **Copper**: Build a bull spread strategy for directional gain, a short - volatility option seller strategy for time - value gain, and a spot hedging strategy [7] - **Aluminum/Alumina**: For aluminum, build a short - neutral call + put option combination strategy and a spot collar strategy; for alumina, similar strategies are recommended [9] - **Zinc/Lead**: Build a short - neutral call + put option combination strategy and a spot collar strategy for zinc; similar strategies for lead [9] - **Nickel**: Build 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**: Build a short - bearish call + put option combination strategy and a spot hedging strategy [11] 4.2 Precious Metals - **Gold/Silver**: For gold, build a bull spread strategy for directional gain, a short - volatility option seller strategy with a positive delta, and a spot hedging strategy; for silver, similar strategies are recommended [12] 4.3 Black Metals - **Rebar**: Build a short - bearish call + put option combination strategy and a spot covered - call strategy [13] - **Iron Ore**: Build a short - neutral call + put option combination strategy and a spot collar strategy [13] - **Ferroalloys**: For manganese silicon, build a short - volatility strategy; for industrial silicon/polysilicon, build a short - volatility option seller strategy and a spot hedging strategy; for glass, build a short - volatility strategy and a spot collar strategy [13][14][15]
低利率环境下期权结构的选择
Qi Huo Ri Bao Wang· 2025-09-29 02:16
Group 1: Common Option Structures - The three common option structures—Snowball, Phoenix, and Fixed Coupon Notes (FCN)—are essentially barrier options, with specific characteristics regarding cash flow and risk exposure [2][3]. - The classic Snowball structure allows for cash flow only at maturity or upon knock-out, while the Phoenix structure enables monthly cash flow as long as the price is above the knock-in line [2]. - FCN provides fixed coupon payments regardless of price movements during the holding period, making it attractive for conservative investors due to a significantly lower probability of knock-in [2]. Group 2: Profit and Loss Scenarios - In scenarios without knock-in, all three structures yield similar returns, with higher coupon structures being more favorable [3]. - In cases where knock-in occurs but knock-out does not, Snowball and FCN can still yield returns, while Phoenix's cash flow is affected by the knock-in event [3]. - If knock-in occurs and the asset price is below the exercise price at maturity, losses may occur, with Snowball being the most adversely affected due to no cash flow during the holding period [3]. Group 3: Risk and Return Dynamics - The risk-return relationship indicates that Phoenix typically offers lower coupons than Snowball, while FCN generally has the lowest coupon rates [4]. Group 4: Market Timing Considerations - Proper market timing is essential, as no option structure guarantees profit in all market conditions [5]. Group 5: Delta and Volatility Analysis - All three structures maintain a positive Delta, indicating a bullish stance on the underlying asset, and are more suitable for moderate upward or sideways markets [7]. - The expected volatility is positively correlated with coupon rates, as higher volatility increases the likelihood of reaching knock-in conditions [8]. - The structures tend to be short volatility in most scenarios, making high volatility periods favorable for entry [10]. Group 6: Selection of Underlying Assets - The choice of underlying assets significantly impacts the performance of the structured products, with the China Securities 500 Index being identified as a suitable candidate due to its risk-return profile [14][16]. - The analysis of daily return distributions shows that the Hang Seng Tech Index has the lowest probability of extreme negative returns, making it a favorable option [14][15]. Group 7: Historical Backtesting and Timing Strategies - Historical backtesting indicates that FCN can effectively mitigate knock-in losses, making it a lower-risk option compared to Snowball [16]. - Rational timing strategies suggest that selecting more aggressive structures during low-risk periods and conservative structures during higher-risk periods can optimize returns [16]. Group 8: Structural Variations and Adjustments - The flexibility in setting barriers allows for various structural adjustments to balance risk and return, such as eliminating knock-in features or adjusting the knock-out thresholds [19].
追逐“电锯”的利润!投资者豪赌美股波动率回归
智通财经网· 2025-09-28 23:41
Core Viewpoint - Investors are flocking to exchange-traded products (ETPs) betting on a rise in market volatility, but a specific market mechanism is causing their returns to diminish despite increasing asset management in volatility-related products [1][3]. Group 1: Investment Trends - The largest product tracking Cboe Volatility Index (VIX) futures, Barclays iPath S&P 500 VIX Short-Term Futures ETN, has seen its assets under management grow over 300% this year, surpassing $1 billion [1]. - The appeal of these products lies in the potential for significant returns if the current record stock market rally fades, leading to a spike in market volatility [1]. - However, long-term holders of these securities face hidden traps as the cost of holding increases with inflows, leading to a severe erosion of returns [1][5]. Group 2: Performance Analysis - Bloomberg Intelligence's senior ETF analyst Eric Balchunas likens VIX-related ETPs to a "chainsaw," effective in specific scenarios but potentially harmful if not timed correctly [3]. - For instance, an investment in a volatility ETF before a major market event could double in value within a week, but holding the fund for a year could result in a loss of up to 78% [3][4]. - Current performance data shows significant losses for various VIX-related ETPs, with UVIX down 78% and VXX down 32% since September 26 [4]. Group 3: Cost and Strategy - The cost of holding these tools is significant, with the UVIX ETF having an expense ratio of 2.8% and engaging in a strategy of rolling over VIX futures contracts, which leads to continuous capital erosion [8]. - The strategy involves selling near-month contracts and buying next-month contracts, which can widen the price gap and further increase holding costs [8]. - Historical precedents show that similar products have previously underperformed compared to their underlying assets, as seen with oil ETFs a decade ago [8]. Group 4: Market Dynamics - As the stock market rises, implied volatility remains suppressed due to low actual market fluctuations, leading traders to be reluctant to pay high prices for volatility options [9][12]. - The current VIX futures curve is in a contango state, indicating that near-term futures are priced lower than longer-term futures, which presents arbitrage opportunities [12][15]. - Strategies that involve shorting the near-term VIX futures while going long on the next month are being employed, but they carry risks, particularly if the stock market experiences a sharp downturn [15][16].
白糖期货波动加大 关注系列期权参与机会
Qi Huo Ri Bao· 2025-09-28 23:29
Group 1 - The core viewpoint of the articles highlights the impact of Brazil's sugar production data on sugar futures prices, leading to increased volatility and potential investment strategies using sugar options [1][6] - Sugar series options are the first short-term commodity options in China, with a shorter duration of approximately 2.5 months compared to conventional options, allowing investors to realize strategies and returns in a shorter trading window [2] - The cost advantage of sugar series options is significant, as their premiums are generally lower due to reduced time value, making them cost-effective tools for risk management and investment, especially for short-term hedging needs [2][5] Group 2 - Sugar series options exhibit a higher Theta value, indicating faster time decay, which provides differentiated opportunities for investors; sellers can benefit from quicker time value gains, while buyers may achieve better returns during rapid market fluctuations [3] - The implied volatility curve of sugar series options is typically steeper due to the short duration, reflecting market sentiment and risk events more rapidly, which can enhance opportunities for volatility trading and various strategies [4] - Sugar series options are particularly suitable for capturing event-driven market movements and managing short-term price volatility risks, making them ideal tools for efficient risk management in rapidly changing markets [5] Group 3 - Brazil's sugar production data shows an increase in sugar output and cane crushing, but concerns remain about the sustainability of this growth due to economic factors favoring ethanol production over sugar [6] - Investors can consider strategies such as buying call options at a strike price of 5700 yuan/ton to capture potential price increases while minimizing margin requirements, or purchasing put options at 5300 yuan/ton to protect long positions [7] - Current sugar volatility is at a medium level, and if volatility decreases, there may be potential losses on call options, indicating the need for careful consideration of volatility when making investment decisions [7]
金属期权策略早报:金属期权-20250926
Wu Kuang Qi Huo· 2025-09-26 03:14
1. Report Industry Investment Rating - Not provided in the given content 2. Core Viewpoints of the Report - For non - ferrous metals, construct a neutral volatility strategy for sellers when the market is range - bound; for the black series, build a short - volatility portfolio strategy due to large fluctuations; for precious metals, create a spot hedging strategy as they break through and rise [2]. 3. Summary by Relevant Catalogs 3.1 Futures Market Overview - Copper (CU2511): The latest price is 82,380, up 220 (0.27%), with a trading volume of 33.49 million hands (an increase of 28.32 million hands) and an open interest of 23.85 million hands (an increase of 6.61 million hands) [3]. - Aluminum (AL2511): The latest price is 20,800, up 20 (0.10%), with a trading volume of 14.61 million hands (an increase of 3.82 million hands) and an open interest of 22.06 million hands (a decrease of 0.07 million hands) [3]. - Other metals also have detailed price, trading volume, and open - interest data provided in the table [3]. 3.2 Option Factors - Volume and Open Interest PCR - PCR indicators are used to describe the strength of the option underlying market and the turning point of the market. For example, the copper option's volume PCR is 0.28 (a decrease of 0.29), and the open - interest PCR is 0.70 (a decrease of 0.14) [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 metals are determined. For example, the pressure level of copper is 84,000, and the support level is 7,800 [5]. 3.4 Option Factors - Implied Volatility - The implied volatility of various metals' options is presented, including at - the - money implied volatility, weighted implied volatility, and their changes. For example, the at - the - money implied volatility of copper is 22.06%, and the weighted implied volatility is 25.75% (an increase of 7.56%) [6]. 3.5 Strategy and Recommendations 3.5.1 Non - Ferrous Metals - **Copper Options**: Build a bull - spread strategy for call options and a short - volatility strategy for sellers, and a spot long - hedging strategy [8]. - **Aluminum/Alumina Options**: Construct a short - neutral call + put option combination strategy and a spot collar strategy [9]. - **Zinc/Lead Options**: Create a short - neutral call + put option combination strategy and a spot collar strategy [9]. - **Nickel Options**: Build a short - bearish call + put option combination strategy and a spot covered - call strategy [10]. - **Tin Options**: Implement a short - volatility strategy and a spot long - hedging strategy [10]. - **Lithium Carbonate Options**: Construct a short - bearish call + put option combination strategy and a spot long - hedging strategy [11]. 3.5.2 Precious Metals - **Gold Options**: Build a bull - spread strategy for call options, a short - volatility strategy for long - biased sellers, and a spot hedging strategy [12]. 3.5.3 Black Series - **Rebar Options**: Construct a short - bearish call + put option combination strategy and a spot long - covered - call strategy [13]. - **Iron Ore Options**: Build a short - neutral call + put option combination strategy and a spot long - collar strategy [13]. - **Ferroalloy Options**: Implement a short - volatility strategy for manganese - silicon options; for industrial silicon/polysilicon options, construct a short - volatility call + put option combination strategy and a spot hedging strategy; for glass options, build a short - volatility strategy and a spot long - collar strategy [13][14][15].