Summary of the Determinants of Option Value

The table belows gives a Summary of the Determinants of Option Value:

Factor	Call Value	Put Value
Increase in Stock Price	Increases	Decreases
Increase in Strike Price	Decreases	Increases
Increase in variance of underlying asset	Increases	Increases
Increase in time to expiration	Increases	Increases
Increase in interest rates	Increases	Decreases
Increase in dividends paid	Decreases	Increases