Option Strategies Details

Buy 100 Shares + Buy 1 ATM or OTM Put
1. Protect long shares from a fast, volatile price decrease
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Down
Varies
Long Call
Cost of the Put
Distance between the cost basis of shares and the strike price minus the cost of the Put. (You own 100 shares of stock XYZ with cost basis $100 per share and you buy a $90P for $5. Stock XYZ goes to $0. Your loss is $10,000 (cost of the shares) - $9,000 (the value of the $90P when the stock goes to $0) - $500 (the cost of the $90P) = -$1,500.)
Protective Put
Other names
You buy (or already own) 100 shares and buy 1 ATM or OTM Put
Description
A trader who owns 100 shares of stock may buy a Put. The trader pays a debit, called a premium, to buy the Put and has the right (but not the obligation) to sell 100 shares at the strike price. The trader is "protecting" those 100 shares from a large, volatile price decrease with the Put.
Suppose you bought 100 shares of XYZ stock at $70 per share and, over the course of 2 years, the price of XYZ increased to $105. Great investment! However, you forecast a potentially-large, fast price decrease and increase in volatility, so you buy a $100 strike Put for $5.
You now have the right to buy 100 shares of XYZ at $47 per share, guaranteeing you a minimum profit of $25 per share on the whole position: $100 (strike price) - $70 (cost basis) - $5 (the premium paid for the Put) = $25 x 100 shares = $2500.