If the spot price of the stock exceeds the "strike price" in the call option, the option is in-the-money and you can exercise it. But if you have a choice, wait to exercise it until the stock's spot price exceeds the strike price enough to cover the premium.
Example: the strike price is $40 and the premium was $2. In order to make money on this option, the stock price needs to be over $42--enough to pay for the stock and replace the money you spent buying the option.
No. The value of a call option can never be negative. For example, let's say that one has a call option on FOO with a strike price of $30 and the option expires at the end of the day. If the underlying price of FOO shares are below $30, the price of the option will be very near $0 (because no one would pay much for the right to pay for an underwater option), but there is still a chance that the stock will go above $30 (no matter how remote). If the underlying price of FOO shares are at $30, the price of the option will be low, but positive (because there is a chance that the stock will go above $30. If the underlying price of FOO shares are above $30, the price of the option will be slightly higher than the difference between the strike price and the share price (because there is so little time left for changes; however, there will be some time value as suggested in the examples above).
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"In the Money" is a term used in option trading as a determinate to if an option has "Intrinsic Value." In the Money, does NOT mean in profit. There are two components to an option value, TIME VALUE, and INTRINSIC VALUE. Time Value + Intrinsic Value = Option Premium. When the market price is above the option strike price of a CALL option, that option is considered "In the Money" i.e. having intrinsic value. When the market price is below the option strike price of a PUT option, that option is considered "In the Money" i.e. having intrinsic value.
The strike price is the heart of the futures market. If you are dealing in puts, the strike price is the price below which the option exercises. If I sell a put on Acme at $10, I can be required to buy the security if it falls to $9.95. In calls, if the share price goes above the strike price the option exercises--if I sell a call on Acme at $10, the option executes if the share price hits $10.05.
In a competitive market, it will produce an excess of supply (for the floor price, supply is bigger than demand)
Nothing. Once you enter into a put contract, the strike price remains the same. If the stock price goes over the strike price and stays there until expiration, you just let the put expire.
You certainly should not exercise a call option when the stocks price is above the strike price. If you really want the stock, go and buy it at the market price. For example, if you own an option with a strike price of $15 and the stock is trading at $9, why would you pay $15 to buy a stock that you could only buy or sell for $9. That would be irrational.
For a call option, the option price is convex and decreasing with increasing strike price, assuming a fixed maturity and same underlying price.
If an individual in a perfectly competitive firm charges a price above the industry equilibrium price this is bad. This company will go out of business quickly because their customers will go find the lower price.
A call option gives the option buyer the right, but not the obligation, to buy a certain amount of stock on or before a certain date for a certain price. A put option gives its buyer the right, but not the obligation, to sell stock on or before a certain date for a certain price. How the options are exercised is another difference. If you bought a put, you're hoping the stock price falls below the strike price--the certain price in the contract. It would make no sense to sell stock for $10 a share if it's $15 now, right? Calls exercise when their stock price goes above the strike price.
The strike price of an option does not change - strike price is fixed for the duration of the option. The price of the option will move based on the following: * Price of underlying asset (moves with - asset price goes up, option price goes up) * Time left to expiration (moves with - time left goes down, option price goes down) * Volatility of underlying asset (moves with - volatility goes up, option price goes up) * Risk free rate (moves with - risk free rate goes up, option price goes up)
Exercising an option means exercising your rights to buy or sell the underlying asset in accordance to the parameters of the option. When you exercise a call option, you will get to buy the underlying stock at the strike price no matter what price the stock is trading at in the market. When you exercise a put option, you will get to sell the underlying stock at the strike price no matter what price the stock is selling at in the market. In both cases, the option you own disappears from your account.