wrong discounting in BlackSwapEngine::calculate()

Posted by sarpkacar on
URL: http://quantlib.414.s1.nabble.com/wrong-discounting-in-BlackSwapEngine-calculate-tp6244.html

 
Hi,
 
In BlackSwapEngine::calculate() the variable atmForward is calculated by using the forwardingTermStructure as the DiscountingSwapEngine is initialized by it. But the discounting swap  should be intialised by the discoutCurve_ so that the fair swap rate is calculated in the "two curve world". I tried to report a bug, but couldn't succeed. The block
 
// using the forecasting curve

swap.setPricingEngine(boost::shared_ptr<PricingEngine>(

new  DiscountingSwapEngine(swap.iborIndex()->forwardingTermStructure(), false)));

should be changed with

// using the discounting curve

swap.setPricingEngine(boost::shared_ptr<PricingEngine>(

new DiscountingSwapEngine(discountCurve_, false)));

Regards,

Sarp Kaya


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