Kolokolov, Aleksey; Livieri, Giulia; Pirino, Davide - 2022
In the context of high-frequency financial data it is often assumed that sampling times are exogenous. This entails … that financial asset prices, sampled on a grid of trade instants, are independent from the sampling times. We derive … sampling time endogeneity in relation to both the efficient and the noise components of the observed price. Using a vast …