Investment diversification, a widely accepted strategy, is designed to mitigate investment uncertainty while maintaining the expected return on investment. This approach emerged alongside the development of portfolio theory.
In the 19th century, simple diversification was the norm, but it was later replaced by efficient diversification within modern portfolio theory. The reason for this shift was the recognition that simple diversification failed to account for the crucial aspect of the correlation between returns on different investments.
The economic reality indeed affirms the interconnectedness of return and risk as fundamental principles in modern financial theory. Given this interdependence, any rational investor, besides assessing the expected return, also seeks to identify and evaluate the risk associated with various investment options.
Achieving the expected return remains a primary objective for investors, but they aim to maximize returns while maintaining a specific level of risk.
It is worth noting that Harry Markowitz suggested an investor with certain knowledge of future returns would invest all assets in the security with the highest expected return. However, this idealized scenario ignores the inherent risks and simplifies the complex nature of investment. In reality, modern investors spread wealth across a variety of securities, creating diversified portfolios.
In financial terms, an investment portfolio represents a combination of different investments, encompassing various financial instruments. Holding a diversified portfolio is a crucial part of the investment strategy, aiming to reduce overall portfolio variance without altering the expected return. While another approach to risk reduction involves allocating assets to risk-free options, this approach, in contrast to diversification, typically results in lower expected portfolio returns.
Diversification is a valuable strategy for investors seeking to balance risk and return in portfolios. To effectively implement diversification, it is essential to carefully assess risk tolerance, investment goals and time horizon.
A well-diversified portfolio may include a mix of stocks, bonds, real estate and other asset classes. Furthermore, consider geographical diversification and industry exposure to further reduce risk. Investors must regularly review and rebalance portfolios to ensure alignment with evolving financial objectives.
Remember, diversification does not eliminate risk entirely, but it can help manage it more effectively, enhancing potential for stable, long-term returns while minimizing impact of market volatility. Consulting a financial adviser also will tailor a diversified portfolio aligning with one’s specific financial situation and objectives.