For those that appreciate how gold works to improve investment reward vs volatility/risk in a portfolio, it is recommended that a minimum of 10% of an investment portfolio should be in gold, or other precious metals. However, investors often purchase more when economic or geopolitical uncertainty in the markets and around the world rises. Mathematically, “How Much Gold” over time would have suggested preferred diversification is close to 10%, but certainly your preferred mix of assets is dictated by your personal views and preferences.