quantlib.termstructures.yields.forward_spreaded_term_structure.

ForwardSpreadedTermStructure

class ForwardSpreadedTermStructure(HandleYieldTermStructure yts, Quote spread)

Bases: YieldTermStructure

Term structure with an added spread on the instantaneous forward rate.

This term structure remains linked to the original structure; any changes in the latter will be reflected in this structure.

Parameters:
ytsHandleYieldTermStructure

The handle to the original yield term structure.

spreadQuote

The spread to be added to the forward rate.

Attributes:
calendar

Calendar: calendar

day_counter

DayCounter: day counter

extrapolation
max_date

Date: the latest date for which the curve can return values

max_time

Time: the latest time for which the curve can return values

reference_date

Date: the date at which discount = 1.0 and/or variance = 0.0

settlement_days

int: number of settlement days used for reference date calculation

Methods

discount(self, value, bool extrapolate=False)

forward_rate(self, d1, d2, ...)

Returns the forward interest rate between two dates or times.

time_from_reference(self, Date dt)

date/time conversion

zero_rate(self, d, ...)

Returns the implied zero-yield rate for the given date.