虚值OTM看涨期权Call
Search documents
给空头仓位“上保险”,横盘也能赚“租金”——Short Collar (第十八期)
贝塔投资智库· 2025-11-20 04:11
Core Viewpoint - The article introduces the Short Collar strategy as a balanced approach for investors who have short positions in stocks, allowing them to earn income during sideways market conditions while hedging against potential price spikes [2]. Strategy Composition - The Short Collar strategy consists of shorting the underlying stock, selling out-of-the-money (OTM) put options, and buying OTM call options, all with the same expiration date [2]. - This strategy aims to generate income through the premium received from selling puts while providing downside protection through the purchased calls [2]. Investment Significance - The strategy is particularly useful when the stock price is expected to remain stable or decline slightly, allowing investors to earn "interest" while hedging against significant upward movements [2][8]. - The initial income from the strategy is derived from the net premium received from selling puts minus the premium paid for calls [5]. Profit and Loss Analysis - The maximum loss is capped when the stock price exceeds the call strike price, calculated as the difference between the call strike price and the initial stock price, adjusted for net premium income [6][10]. - The maximum profit is limited to the difference between the initial stock price and the put strike price, plus net premium income, occurring when the stock price falls below the put strike price [6][10]. Strategy Characteristics - The strategy has low cost and risk, often resulting in a net income at the outset, and the call option limits potential losses from significant price increases [6][8]. - It is a neutral or slightly bearish strategy, suitable for stocks expected to trade sideways or decline slightly without breaching the put strike price [8]. Practical Application Example - An example is provided where a stock priced at $196.5 is shorted, with puts sold at a strike price of $185 and calls bought at a strike price of $215, resulting in an initial net income of $720 [8][10]. - The breakeven point for profitability is calculated as $197.2, meaning the stock price must remain below this level for the strategy to yield a profit [10]. Recommendations for Different Risk Preferences - Investors should choose put and call strike prices based on their risk tolerance, balancing premium income against potential future gains from stock price movements [13]. - It is advised that new investors do not sell puts exceeding their short stock positions to avoid excessive risk exposure [14].