Today, legislators, courts, financial regulators and other actors at the EU and national level face major new challenges in safeguarding public and private interests in an increasingly digital and sustainability-minded environment surrounding financial markets. Innovative ways of addressing tensions between the common good and the individual preferences of market actors are needed to address these challenges. However, at present, the efforts to develop workable solutions are seriously hampered by the gap between the two areas of law that profoundly shape the financial markets—financial regulation and private law—in the current European policy discourse and legal scholarship. This article is an attempt to systematically rethink the role of p...