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卖出宽跨式组合Short Strangle
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抛开涨跌判断,从“市场平静”中盈利——Short Strangle 卖出宽跨式组合 (第十五期)
贝塔投资智库· 2025-11-07 04:06
Core Viewpoint - The article introduces a tailored options strategy for a "choppy market" called Short Strangle, which allows investors to earn time decay profits even when the market is stagnant [2][3]. Strategy Definition - Short Strangle is defined as a strategy that bets on the volatility of the underlying asset decreasing, where the price does not experience significant upward or downward movement before the options expire [2][3]. - The strategy involves selling one out-of-the-money call option and one out-of-the-money put option with the same expiration date [2]. Investment Significance - Investors can profit from time decay when they expect the underlying asset's price to remain within a narrow range or when implied volatility is overestimated [3]. - The time value of options decreases as the expiration date approaches, allowing investors to potentially keep the entire premium if the options expire worthless [3]. Profit and Loss Calculation - The maximum profit is limited to the total premiums received from selling the options, while the potential loss is theoretically unlimited if the stock price moves beyond the established break-even points [6][7]. - The break-even points are calculated as follows: - Lower point = lower strike price - (premium from call + premium from put) - Upper point = higher strike price + (premium from call + premium from put) [6]. Strategy Characteristics - The strategy is neutral in direction, suitable for markets where the stock price is expected to fluctuate within a small range [6]. - Initial net income is generated from the premiums received from selling the two options, but higher margin requirements are necessary due to the potential for significant losses [6][7]. Comparison with Similar Strategies - Short Strangle is similar to Short Straddle but differs in that it uses out-of-the-money options instead of at-the-money options, resulting in a wider profit range but lower premium income [7]. Practical Application Example - An example is provided where a stock priced at $543 is used to illustrate the Short Strangle strategy, with specific premiums received and break-even calculations [8][10]. - The example shows potential outcomes based on different stock prices at expiration, highlighting the maximum profit and loss scenarios [10]. Usage Recommendations - It is advised to choose shorter expiration dates for the options to mitigate risks associated with unexpected market movements [13]. - Investors should calculate the break-even points to assess the likelihood of the stock price remaining within that range at expiration [13]. - Caution is advised for new investors due to the high potential risks associated with this strategy [14].