Silver as a distinct asset class should be considered as a strategic investment allocation within a global multi-asset portfolio, according to new research by Oxford Economics, an economic advisory firm. The company finds that investors would benefit from an average 4-6% silver allocation within their portfolio, significantly higher than current holdings of silver by most institutional and individual investors.
The new report, “The Relevance of Silver in a Global Multi-Asset Portfolio,” was commissioned by the Silver Institute to explore the risk-adjusted returns of model portfolios with differing levels of silver exposure. To examine the potential long-run benefits of holding silver in a portfolio, Oxford Economics compared silver’s historical performance with a range of traditional asset classes, including stocks, bonds, gold, and other commodities, from January 1999 to June 2022. Among the findings, silver was shown to have a relatively low historical correlation with asset classes other than gold, suggesting silver’s valuable diversification potential in investment portfolios.
Further, the firm conducted a more rigorous test to determine whether silver should have a consistent allocation alongside gold in a multi-asset portfolio by running dynamic portfolio optimisation simulations. These simulations were run with the aim of maximising the risk-adjusted returns of a mixed-asset portfolio under varying constraints designed to reflect differing investor risk preferences. Across the historic sample period, the authors found the average optimal allocation to silver was in the range of 4-5% for a portfolio with a five-year holding period.
Optimal allocations to silver by risk threshold (2022 – 2032)
While silver’s price movements are often closely correlated with gold, Oxford Economics’ analysis suggests that silver’s return characteristics are sufficiently different from gold to make it a valuable diversification tool that deserves its own portfolio commitment. With over half of global silver demand used in industrial applications, the price of silver tends to be more sensitive than gold to trends in the global industrial cycle, contributing to its higher volatility. Moreover, silver is likely to benefit from an increasingly positive structural demand outlook over the medium term, given its use in many green technologies, indicating that we may be entering a period where the gold-silver price ratio shifts back in favour of silver, the firm noted.
Based on their projections for asset returns, Oxford Economics investigated the potential behaviour of silver relative to other asset classes and its role in an optimal portfolio over the next decade. This analysis suggests an even higher optimal portfolio allocation to silver of around 6% would be warranted over this period.
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