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In finance, the expiration date of an option contract (represented by Greek letter tau, τ) is the last date on which the holder of the option may exercise it according to its terms. [1] In the case of options with "automatic exercise", the net value of the option is credited to the long and debited to the short position holders.
These individual purchases, known as the legs of the spread, vary only in expiration date; they are based on the same underlying market and strike price. The usual case involves the purchase of futures or options expiring in a more distant month--the far leg--and the sale of futures or options in a more nearby month--the near leg. [1]
As long as the price of the JKH stock is greater than $51 at stock option expiration, the position will be profitable. The percent maximum loss is the difference between the break-even price and the strike price of the purchased put option divided by the net investment, for example for JKH: %Max loss = (51 - 50)/[52.5-(2-0.5)] = 2%
For example, imagine a trader bought a call for $0.50 with a strike price of $20, and the stock is $23 at expiration. The option is worth $3 (the $23 stock price minus the $20 strike price) and ...
To use these models, traders input information such as the stock price, strike price, time to expiration, interest rate and volatility to calculate an option’s theoretical price. To find implied ...
If an option is out-of-the-money at expiration, its holder simply abandons the option and it expires worthless. Hence, a purchased option can never have a negative value . [ 4 ] This is because a rational investor would choose to buy the underlying stock at the market price rather than exercise an out-of-the-money call option to buy the same ...
A compound option is an option on another option, and as such presents the holder with two separate exercise dates and decisions. If the first exercise date arrives and the 'inner' option's market price is below the agreed strike the first option will be exercised (European style), giving the holder a further option at final maturity.
The option style, as specified in the contract, determines when, how, and under what circumstances, the option holder may exercise it. It is at the discretion of the owner whether (and in some circumstances when) to exercise it. European – European-style option contracts may only be exercised at the option's expiration date. Thus they can ...