ActualActual (3) - Linux Man Pages

ActualActual: Actual/Actual day count.


QuantLib::ActualActual - Actual/Actual day count.


#include <ql/time/daycounters/actualactual.hpp>

Inherits QuantLib::DayCounter.

Public Types

enum Convention { ISMA, Bond, ISDA, Historical, Actual365, AFB, Euro }

Public Member Functions

ActualActual (Convention c=ActualActual::ISDA)

Detailed Description

Actual/Actual day count.

The day count can be calculated according to:

the ISDA convention, also known as 'Actual/Actual (Historical)', 'Actual/Actual', 'Act/Act', and according to ISDA also 'Actual/365', 'Act/365', and 'A/365';
the ISMA and US Treasury convention, also known as 'Actual/Actual (Bond)';
the AFB convention, also known as 'Actual/Actual (Euro)'.

For more details, refer to


the correctness of the results is checked against known good values.


Bonds.cpp, CallableBonds.cpp, FRA.cpp, and swapvaluation.cpp.


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