Todos los libros

Profesional

Apps Acerca de Coach Iniciar sesión Empezar a leer

Quantitative Finance · Glosario

¿Qué es Transient impact model?

Definition 12.2 Microstructure and Execution · Capítulo 12 — Transient Impact and Propagator Models

A transient impact model prices an execution as the continuous-time propagator: trading at rate v(s)v(s) moves the price at time tt by ∫s<tG(t−s) v(s) ds\int_{s<t}G(t-s)\,v(s)\,ds, so an execution x1,…,xnx_1,\dots,x_n at times t1,…,tnt_1,\dots,t_n costs 12x⊤Γx\tfrac12x^\top\Gamma x with Γij=G(∣ti−tj∣)\Gamma_{ij}=G(|t_i-t_j|).

Leer en el capítulo →