( in Quantitative Finance, AI, ML, ... ) A forward-testing ( as opposed to back-testing ) is a systematic approach to review & validate a quality of a System-under-Test [ SuT ], observed indirectly by it's ability to generalise ( in contrast to an otherwise un-avoidable overfitting artefact coming from a use of a trivial penalty-function minimiser being used in a back-testing phase )
