Interest Rate Collar

What is an Interest Rate Collar?

An Interest Rate Collar is an option used to hedge exposure to interest rate moves. It protects a Borrower against rising rates and establishes a floor on declining rates through the purchase of an Interest Rate Cap and the simultaneous sale of an Interest Rate Floor. Typically, the premium of the Cap is designed to exactly match that of the Floor to result in a Zero Cost Collar.


A Borrower who enters into a Zero Cost Collar establishes the maximum interest rate payable (Cap strike rate) at the cost of agreeing to pay a known minimum rate (Floor strike rate). Between those two levels, the cost of finance will remain on a floating rate basis over the agreed period of time.

How does it work?

On each reset date, if the floating rate is equal to or below the Cap strike rate, while simultaneously being equal to or above the Floor Strike rate, the Bank will not make a payment to the Borrower. If the floating rate is above the Cap strike, the Bank will pay the Borrower the difference for the period. If the floating rate is below the Floor strike, the Borrower will pay the Bank the difference.

  • The Borrower benefits from a pre-agreed maximum rate of interest
  • The Borrower has the flexibility to benefit from low floating rates down to the minimum Floor level
  • Unlike a Cap, a Collar can be structured such that there is no upfront premium cost
  • On early termination, if the Borrower has to buy back the Floor they may incur additional costs. However, they will be entitled to receive any residual value attributable to the Cap
  • If the floating rate fails to rise above the Cap strike rate and/or remains below the Floor strike rate during the tenor of the Collar, the Borrower may feel they received no value

Interest Rate Collar example:


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