what is a synthetic put 
a synthetic put is an options strategy that combines a short stock position with a long call option on that same stock to mimic a long put option it s also called a synthetic long put essentially an investor who has a short position in a stock purchases an at the money call option on that same stock this action is taken to protect against appreciation in the stock s price a synthetic put is also known as a married call or protective call understanding synthetic putsthe synthetic put is a strategy that investors can utilize when they have a bearish bet on a stock and are concerned about potential near term strength in that stock it is similar to an insurance policy except that the investor wants the price of the underlying stock to fall not rise the strategy combines the short sale of a security with a long call position on the same security a synthetic put mitigates the risk that the underlying price will increase it does not however deal with other dangers which may leave the investor exposed because it involves a short position in the underlying stock it carries with it all those associated risks fees margin interest and the possibility of having to pay dividends to the investor from whom the shares were borrowed to sell short institutional investors can use synthetic puts to disguise their trading bias be it bullish or bearish on specific securities however for most investors synthetic puts are best suited for use as an insurance policy an increase in volatility would be beneficial to this strategy while time decay would impact it negatively the maximum profit for both a simple short position and a synthetic put is if the stock s value falls to zero note that any benefit from a synthetic put must be weighted against the options premium a synthetic put strategy helps protect against an increase in the stock s price effectively putting a cap on the stock price the cap limits upside risk for the investor i e the risk that the short position s stock price rises the risk of a synthetic put strategy is limited to the difference between the price at which the underlying stock was shorted and the option s strike price as well as any commissions put another way at the time of the purchase of the option if the price at which the investor shorted the stock was equal to the strike price the loss for the strategy would be the premiums paid for the option 