DEFINITION of 'Bermuda Swaption'
A derivative financial instrument that gives the holder the right, but not the obligation, to enter into an interest rate swap on any one of a number of predetermined dates. The holder may only exercise the option on one of these dates. By contrast, a plain vanilla swaption would give the holder the option to enter into an interest rate swap on the expiration date of the derivative.
BREAKING DOWN 'Bermuda Swaption'
Swaptions are one of four basic methods for exiting a swap before its termination date. The swaption basically allows the investor to offset the swap he or she wishes to exit. Bermuda swaptions function in a similar manner to Bermuda options which can only be exercised on predetermined dates and thus have to often be valued using Monte Carlo Simulation rather than other, more common, option pricing models.

Put Swaption
An option on an interest rate swap that gives the option buyer ... 
Call Swaption
A type of option between two parties that can be exercised on ... 
Swaption (Swap Option)
The option to enter into an interest rate swap. In exchange for ... 
Reversible Swap
An exchange of cash flows that allows one counterparty to use ... 
Bermuda Option
A type of exotic option that can be exercised only on predetermined ... 
Termination Date
The day on which a swap contract becomes invalid and no further ...

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What is a Bermuda swaption?
The Bermuda swaption refers to a modified American style of option. A swaption is an option on an interest rate swap in which ... Read Answer >> 
What is the difference between derivatives and swaps?
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Can bond traders trade on interest rate swaps?
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What would motivate an entity to enter into a swap agreement?
Learn why parties enter into swap agreements to hedge their risks, and understand how the different legs of a swap agreement ... Read Answer >>