Todos los libros

Profesional

Apps Acerca de Coach Iniciar sesión Empezar a leer

Quantitative Finance · Glosario

¿Qué es Impact prefactor?

Definition 11.4 Microstructure and Execution · Capítulo 11 — The Empirics of Price Impact

In the square-root law I=Yσ (Q/V)δI=Y\sigma\,(Q/V)^{\delta} with δ≈12\delta\approx\tfrac12, where II is the peak impact as a fraction of the price, σ\sigma the daily volatility, QQ the metaorder’s size and VV the daily volume, the impact prefactor YY is the dimensionless constant, of order one, that sets the level.

Leer en el capítulo →