rsum

internal

Implements an efficient estimator of bid-ask spreads from open, high, low, and close prices
as described in Ardia, Guidotti, & Kroencke (2024) <doi:10.1016/j.jfineco.2024.103916>.
It also provides an implementation of the estimators described in
Roll (1984) <doi:10.1111/j.1540-6261.1984.tb03897.x>,
Corwin & Schultz (2012) <doi:10.1111/j.1540-6261.2012.01729.x>,
and Abdi & Ranaldo (2017) <doi:10.1093/rfs/hhx084>.

Emanuele Guidotti

bidask

Efficient Estimation of Bid-Ask Spreads from Open, High, Low,
and Close Prices

David Ardia

Tim Kroencke

rsum function

Rolling sum — rsum

Rolling sum

rsum: Rolling sum

Description

Usage

Arguments