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Does the Presence of High Interest Rates Increase or Decrease the Value of the Early Exercise Feature?

High interest rates generally decrease the value of the early exercise feature for a call option. This is because delaying the exercise allows the holder to keep the cash (the strike price) invested for a longer time, earning more interest.

For put options, high interest rates increase the value of the early exercise feature.

What Is the Relationship between Interest Rates and the Price of a Call Option?
How Can a Trader Use a Combination of Calls and Puts to Achieve a Zero Net Delta?
How Does the ‘Strike Price’ Impact the Profitability of an Option Contract?
How Does a Change in Interest Rates Theoretically Affect the Price of a Call Option?