A financial tool in which the buyer has the right, or option , to enter into a swap as a floating-rate payer . The writer of the swaption therefore becomes the floating-rate receiver/ fixed-rate payer .
PUT SWAPTION
Meaning of PUT SWAPTION in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012