Options Trading Flashcards
Delta
Represents the sensitivity of an option´s price to changes in the value of the underlying security.
How much an option will move given a $1 move in price.
Gamma
Represents the rate of change of Delta relative to the change of the price of the underlying security (for every $1).
Maximum ATM
Theta
Represents the rate of time decay of an option.
The value an option loses every day due to time decay.
Vega
Represents an option´s sensitivity to (implied) volatility.
How much option price will move from a 1% change in IV.
IV goes up by 1% then Vega goes up by Vega value.
Vega can be any number.
Rho
Represents how sensitive the price of an option is relative to interest rates.
Black Scholes Formula
The formula the Greeks are derived from.
Four main factors that affect the option price
- Current price of asset
- Strike price of option
- Volatility of asset
- Expiration time
Two minor factors that affect the option price
Risk free interest rates
Dividends
Option price
Time till expiration + volatility + intrinsic value
Intrinsic Value
Distance between the strike price and the share price (if the contract is currently in the money)
Delta value
- 00 to 1.00 for calls
- 00 to -1.00 for puts
ATM = 0.5 ITM = 0.5 to 1 OTM = 0 to 0.5
Extrinsic Value
Time Value and Implied Volatility
Premium
Intrinsic value and Extrinsic value
Implied Volatility
How easily does the stock jump around.