This article initially examines the mechanics of the established option pricing method (OPM) backsolve (OBS). It then quickly moves to a critical analysis of the more recently developed double backsolve (DBS) method, which certain practitioners have proposed as an alternative to OBS. We review the literature cited to support DBS and find it does not, in fact, support its use. In addition, we note some inconsistencies in the current use of DBS. We conclude that until better arguments are proffered or superior methods are developed, practitioners should continue to use OBS, and reviewers should continue to reject valuations relying on DBS.

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