Conversely, some advisers adhere to conventional allocation models, such as the 60/40 equity-to-bond split, primarily to align with compliance standards rather than to optimize client outcomes. This one-size-fits-all methodology may not suit all investors, particularly those with longer investment horizons who could benefit from a more tailored approach.
Modern Portfolio Theory (MPT), introduced by Harry Markowitz in the 1950s, laid the foundation for diversification strategies aimed at maximizing returns for a given level of risk. While MPT has been instrumental in shaping investment strategies, it has faced criticism for its reliance on assumptions such as normally distributed returns and stable correlations, which may not hold true in today's dynamic markets.