quantlib.pricingengines.swaption.black_swaption_engine.

BachelierSwaptionEngine

class BachelierSwaptionEngine(HandleYieldTermStructure discount_curve, vol, DayCounter dc=Actual365Fixed(), CashAnnuityModel model=DiscountCurve)

Bases: PricingEngine

Normal Bachelier-formula swaption engine

Warning

The engine assumes that the exercise date lies before the start date of the passed swap.