The End of 60/40: Building Resilient Portfolios with Regime and Signal Intelligence

The article explores the structural obsolescence of the traditional 60/40 portfolio in an investment environment marked by inflation shocks, monetary tightening, unstable stock–bond correlations, and recurrent volatility regimes. The article’s relevance lies in the growing inadequacy of static allocation rules in conditions where the historical logic of balanced diversification no longer holds consistently. Its purpose is to substantiate the need for a more resilient portfolio architecture grounded in regime recognition, multidimensional signal processing, and disciplined adaptive allocation. The study’s scientific novelty consists in the integrative conceptualization of portfolio resilience as a conditional, state-dependent property. Drawing on recent empirical and methodological literature, the article synthesizes macroeconomic, valuation, sentiment, and technical signals into a unified framework for regime-aware allocation. The principal conclusion is that diversification has not lost its importance; rather, it has become contingent upon the accurate identification of changing macro-financial states and the calibrated adjustment of exposures. The article will be useful for portfolio managers, investment advisors, institutional allocators, and researchers in asset allocation and risk management.