Package: bidask Type: Package Title: Efficient Estimation of Bid-Ask Spreads from Open, High, Low, and Close Prices Version: 2.1.5 Authors@R: c( person(given = "Emanuele", family = "Guidotti", email = "emanuele.guidotti@usi.ch", role = c("aut", "cre"), comment = c(ORCID = "0000-0002-8961-6623")), person(given = "David", family = "Ardia", role = c("ctb"), comment = c(ORCID = "0000-0003-2823-782X")), person(given = "Tim", family = "Kroencke", role = c("ctb"), comment = c(ORCID = "0000-0001-8700-356X")) ) Description: Implements the efficient estimator of bid-ask spreads from open, high, low, and close prices described in Ardia, Guidotti, & Kroencke (JFE, 2024) . It also provides an implementation of the estimators described in Roll (JF, 1984) , Corwin & Schultz (JF, 2012) , and Abdi & Ranaldo (RFS, 2017) . License: MIT + file LICENSE URL: https://github.com/eguidotti/bidask BugReports: https://github.com/eguidotti/bidask/issues Encoding: UTF-8 Imports: data.table RoxygenNote: 7.2.3 Suggests: xts, zoo, dplyr, crypto2, quantmod, ggplot2, knitr, rmarkdown, testthat (>= 3.0.0) Config/testthat/edition: 3 VignetteBuilder: knitr Repository: https://eguidotti.r-universe.dev Date/Publication: 2025-10-13 11:21:33 UTC RemoteUrl: https://github.com/eguidotti/bidask RemoteRef: HEAD RemoteSha: 1caba55d63ebab6c855536be51c43bdfc48d2dec RemoteSubdir: r NeedsCompilation: no Packaged: 2026-07-03 09:34:43 UTC; root Author: Emanuele Guidotti [aut, cre] (ORCID: ), David Ardia [ctb] (ORCID: ), Tim Kroencke [ctb] (ORCID: ) Maintainer: Emanuele Guidotti