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Midterm Study thingy - Lecture 2 - Basic Options Stuff
Basic options stuff
19
Finance
Undergraduate 4
10/18/2013

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Term
What is a Forward Contract?
Definition

A binding agreement (obligation) to buy/sell an underlying asset in the future, at a price set today.

 

Specifies features & quantity of asset, time date and place of deliver, and price buyer will pay at time of deliver

 

 

Term

Forwards

 

What are the pros & cons of forwards?

Definition

Pros:

  • terms are determined by contracting parties
  • may not require collateral
  • Customized

Cons:

  • Illiquid (due to customization)
Term
What is a futures contract?
Definition
    • Similar to a forward
    • Standardize terms of agreement
    • expiration date
    • quantity of asset
    • Generates homogeneity
    • futures require collateral
    • futures are traded on exchanges
 
Term

Payoffs

 

What is the equation for the payoff of a long forward?

Definition

Spot @ expiration - Forward price 

 

(St-FO,T)

Term

Payoffs

 

What is the equation for the payoff of a short forward?

Definition

Forward Price - Spot Price at expiration

 

FO,T - ST

Term
What is a Call Option?
Definition

The right, but not the obligation, to purchase a security at a designated price at a designated time

 

Preserves upside potential while limiting downside

 

The seller of a call option is obligated to deliver if asked

Term
What is the payoff function of a long call?
Definition

 

Payoff Function for a long call:

 

Payoff = Max[0, spot price at expiration - strike price]

 

Payoff = Max[0,St-X]

 

 

Term
What is the Profit function of a long call?
Definition

Profit = Payoff - Future Value of option premium

 

Profit = Max[0,St-X] - FV(Co,t)

 

Where: FV(Co,t)=(1+r)*Co,t

Term
What is the Payoff Function of a Written (short) Call?
Definition

Payoff = -max[0,spot price at expiration - strike]

Payoff = -Max[0, St-X]

 

Term
What is the Profit Function of a Written (short) Call?
Definition

Profit = Payoff + FV of option premium

 

Profit = -max[0, St-X]+Co,t

 

where:  FV(Co,t) = (1+r)*Co,t

Term
What is a Put option?
Definition

A Put option gives the right but not the obligationto sell a security at a future time at a specified price

 

The seller is obligated to buy if asked

Term
What is the Payoff function of a Long Put?
Definition

Payoff=Max[0,Strike price - Spot price @ expiration]

 

Payoff = Max[0, X - St]

Term
What is the Profit Functionof a Long Put
Definition

Profit: Payoff - Future Value of premium

 

=Max[0, X-St]-FV(Po,t)

 

Where: FV(Po,t) = (1+r)*Po,t

Term
What is a Written (short) Put?
Definition
The obligation to buy at a specified price at a specified time, if the contract is exercised
Term
What is the Payoff function of a Written (short) put?
Definition

Payoff = -Max[0,Strike price - Spot Price  @ Expiration]

 

Payoff = -Max[0,X-St]

 

 

Term
What is the Profit function of a Written (short) Put?
Definition

Profit = Payoff + FV of option premium

 

Profit = -Max[0, X-St] + FV(P0,t)

 

Where: FV(P0,t) = (1+r)*P0,t

Term
What does it mean for an option to be "In the money" ?
Definition
If the option is exercised immediately it will have a positive payoff
Term
What does it mean for an option to be "Out of the money"?
Definition
If the option is exercised immediately the payoff will be negative
Term
What does it mean if an option is "at the money" ?
Definition
If the option is exercised immediately its payoff will be zero
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