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The options trader makes a profit of $200, or the $400 option value (100 shares * 1 contract * $4 value at expiration) minus the $200 premium paid for the call.
Call option: A call option gives its buyer the right, but not the obligation, to buy a stock at the strike price prior to the expiration date.
Option values vary with the value of the underlying instrument over time. The price of the call contract must act as a proxy response for the valuation of: the expected intrinsic value of the option, defined as the expected value of the difference between the strike price and the market value, i.e., max[S−X, 0]. [3]
Options spreads are the basic building blocks of many options trading strategies. [6] A spread position is entered by buying and selling options of the same class on the same underlying security but with different strike prices or expiration dates. An option spread shouldn't be confused with a spread option.
For example, suppose a call option with a strike price of $100 for DEF stock is sold at $1.00 and a call option for DEF with a strike price of $110 is purchased for $0.50, and at the option's expiration the price of the stock or index is less than the short call strike price of $100, then the return generated for this position is:
It involves simultaneously buying and selling (writing) options on the same security/index in the same month, but at different strike prices. (This is also a vertical spread) If the trader is bearish (expects prices to fall), you use a bearish call spread. It's named this way because you're buying and selling a call and taking a bearish position.
Payoffs from a short put position, equivalent to that of a covered call Payoffs from a short call position, equivalent to that of a covered put. A covered option is a financial transaction in which the holder of securities sells (or "writes") a type of financial options contract known as a "call" or a "put" against stock that they own or are shorting.
Payoffs from a long call position, equivalent to that of a protective put Payoffs from a long put position, equivalent to that of a protective call. A protective option or married option is a financial transaction in which the holder of securities buys a type of financial options contract known as a "call" or a "put" against stock that they own or are shorting.