Pricing of discrede arithmetic asian option - current average & number of already occured observations

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Pricing of discrede arithmetic asian option - current average & number of already occured observations

Huber, Rainer (IDS GmbH)

Dear All,
 
I'm trying to price discrete arithmetic Asian options in EXCEL using the ADGAPA-pricing engine
and the AverageType "Arithmetic" with the qlDaAsianOption-Opject.
 
To feed the current average and the corresponding number of observations into the valuation,
I've used the RunningAccumulator (current Average) and PastFixings (number of alread occured
ovservations). For the observation dates still to come I feed an array of future dates into the
the qlDaAsianOption-Opject.
 
Apparently the RunningAccumulator and PastFixings have no impact on th npv, as it dosen't
change at all when I vary the RunningAccumulator and/or PastFixings.
 
Any Idea what's wrong in my approach?
 
Many thanks
 
Rainer
 
 

Rainer Huber, CFA

Financial Engineering

 

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Re: Pricing of discrede arithmetic asian option - current average & number of already occured observations

Luigi Ballabio
On Tue, 2010-04-20 at 13:58 +0200, Huber, Rainer (IDS GmbH) wrote:
> I'm trying to price discrete arithmetic Asian options in EXCEL using
> the ADGAPA-pricing engine
> and the AverageType "Arithmetic" with the qlDaAsianOption-Opject.
>  
> [...]Apparently the RunningAccumulator and PastFixings have no impact
> on th npv, as it dosen't
> change at all when I vary the RunningAccumulator and/or PastFixings.

Huber,
        what version of QuantLib are you using? Past fixings were broken for a
few engines in versions earlier than 0.9.7.

Luigi



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Cogito ergo I'm right and you're wrong.
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