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Encyclopedia > Strike price

The strike price, or exercise price, is a key variable in a derivatives contract between two parties. Where the contract requires delivery of the underlying instrument, the trade will be at the strike price, regardless of the spot price (market price) of the underlying instrument at that time. Derivatives traders at the Chicago Board of Trade. ... In finance, an underlying is an investment from which a derivative security is derived. ... The spot price of a commodity or a security or a currency is the price that is quoted for settlement (payment and delivery) of the transaction immediately. ...


Definition - The fixed price at which the owner of an option can purchase, in the case of a call, or sell, in the case of a put, the underlying security or commodity.

Contents

Moneyness

Moneyness is a term describing the relationship between the strike price of an option and the current trading price of its underlying security. Where settlement is financial, the difference between the strike price and the spot price will determine the value, or "moneyness", of the contract. In finance, moneyness is a measure of the degree to which a derivative security is likely to have positive monetary value at its expiration. ...


In options trading, terms such as in-the-money, at-the-money and out-of-the-money describe the moneyness of options.


Mathematical Formulae

A call option has positive monetary value when the underlying has a spot price (S) above the strike price (K). Since the option will not be exercised unless it is "in-the-money", the payoff for a call option is This article does not cite any references or sources. ... In finance, moneyness is a measure of the degree to which a derivative security is likely to have positive monetary value at its expiration. ...

maxleft[(S-K);0right]

or formally,

(S-K)^{+}

where

(x)^+ ={^{x  xgeq0}_{0  x<0}

A put option has positive monetary value when the underlying has a spot price below the strike price; it is "out-the-money" otherwise, and will not be exercised. The payoff is therefore A put option (sometimes simply called a put) is a financial contract between two parties, the buyer and the writer of the option. ...

maxleft[(K-S);0right]

or

(K-S)^{+}

For a digital option payoff is 1_{Sgeq K}, where 1{} is the indicator function. A binary option is a type of option where the payoff is either some fixed amount of some asset or nothing at all. ... In the mathematical subfield of set theory, the indicator function, or characteristic function, is a function defined on a set X which is used to indicate membership of an element in a subset A of X. Remark. ...


See also

Option Value In finance, the value of an option consists of two components, its intrinsic value and its time value. ... A reference rate is any publicly available quoted number or value that is used by the parties to a financial contract. ...

References

  • McMillan, Lawrence G. (2002). Options as a Strategic Investment, 4th ed., New York : New York Institute of Finance. ISBN 0-7352-0197-8. 


  Financial derivatives v d  
Options
Vanilla Types: Option styles | Call | Put | Warrants | Fixed income | Employee stock option | FX
Strategies: Covered call | Naked put | Bear call spread | Bear put spread | Bull call spread | Bull put spread | Calendar spread
Straddle | Long straddle | Long strangle | Butterfly | Short butterfly spread | Short straddle | Short strangle
Vertical spread | Volatility arbitrage | Debit spread | Credit spread | Synthetic
Exotics: Asian | Lookback | Barrier | Binary | Swaption | Mountain range
Valuation: Moneyness | Option time value | Black-Scholes | Black | Binomial | Stochastic volatility | Implied volatility | Net volatility | Local volatility
See Also: CBOE | Derivatives market | Option Screeners | Option strategies | Pin risk
Swaps
Interest rate | Total return | Equity | Credit default | Forex | Cross-currency | Constant maturity | Basis | Variance

  Results from FactBites:
 
Strike price - Wikipedia, the free encyclopedia (178 words)
The strike price, or exercise price, is a key variable in a derivatives contract between two parties.
Where the contract requires delivery of the underlying instrument, the trade will be at the strike price, regardless of the spot price (market price) of the underlying at that time.
Where settlement is financial, the difference between the strike price and the spot price will determine the value, or "Moneyness", of the contract.
Option Strike Price (120 words)
The strike, or exercise, price of an option is the specified share price at which the shares of stock can be bought or sold by the buyer if he exercises the right to buy (in the case of a call) or sell (in the case of a put).
A strike price is the actual numeric value of the option.
Strike prices are determined when the underlying reaches a certain numeric value and trades consistently at or above that value.
  More results at FactBites »


 

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