As a clinical psychologist, I hear my patients talk about the painful and lasting impact of various breaks in safe boundaries. (mindbodygreen.com)
He considers two test methodologies: (1) straightforward inception - to - date in - sample rule optimization followed by out - of - sample performance measurement, with various break points between in - sample and out - of - sample subperiods; and, (2) average performance across two sets of bootstrap simulations that preserve relevant statistical features of historical data (including serial return correlation for one set). (cxoadvisory.com)
Plus500's embattled management approved the bid, and looks likely to go through, but the offer has various break clauses in it that would allow Playtech to walk away. (businessinsider.com)