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Tuesday, February 19, 2013

CRR Tree

Since we are assigned to report on the CRR tree, our group made a powerpoint presentation on this. It includes the basics of a CRR tree.



Notes: CRR presentation.pptx, CRRBOPMv2.xlsx

Jarrow-Rudd Tree (JR) tree is assumes 50% probability in the u and d. CRR don't.

Slide 6 


Step 1. Binomial model acts similarly to the asset that exists in a risk neutral world.
pu+qd=eiΔt=r
where

Δt=tnt=term of the optionn=number of periods
Its variance: 
 pu2+qd2e(iΔt)2=σ2Δt

Slide 9 - Notice that the lattice is symmetrical, that is due to the assumption that d=1/u (ud=1). Thus , it is easier to program since it involves fewer steps.

References:

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