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An Efficient and Accurate Lattice for Pricing Derivatives under a Jump-Diffusion Process

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1.Introduction In a lattice, the prices of the derivatives converge when the number of time steps increase. Nonlinearity error from nonlinearity option value causes the pricing results to converge slowly or oscillate significantly.

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Underlying assets : Stock Derivatives : Option CRR Lattice Lognormal diffusion process Amin’s Lattice HS Lattice Jump diffusion process Paper’s Lattice

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CRR Lattice Lognormal Diffusion Process Su with Sd with =1- d < u ud = 1

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Problem !? Distribution has heavier tails & higher peak ---------------------------------------------------------------- Jump diffusion process !!! ↙ ↘ Diffusion component Jump component ↓ ↓ lognormal diffusion process lognormal jump (Poisson)

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Amin’s Lattice less accurate !? Volatility (lognormal jump > diffusion component)

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Hilliard and Schwartz’s (HS) Lattice Diffusion nodes Jump nodes Rate of

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Paper’s Lattice Trinomial structure lower the node Rate of

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2.Modeling and Definitions The risk-neutralized version of the underlying asset’s jump diffusion process

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Financial knowledge (Pricing options) { {

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3.Preliminaries (a) CRR Lattice jump diffusion process (λ=0)

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(b) HS Lattice

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Continuous-time distribution of the jump component → obtain 2m+1 probabilities from solving 2m+1 equations

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Pricing option

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Complexity Analysis

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Problem !? 1. time complexity2. oscillation

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4.Lattice Construction Trinomial Structure

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→Cramer’s rule

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fitting the derivatives specification

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Jump nodes

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Complexity analysis

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5.Numerical Results

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