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Is there a general guideline for what percentage of a portfolio should be in gold?
The "conventional wisdom" is that you should have about 5% of your portfolio in gold. But that's an AVERAGE. Meaning that you might want to have 10% at some times (like now) and 0% in the 1980s. Right now, the price of gold has been rising, because of fears of "easing" Fed monetary policy (for the past decade), culminating in recent "quantitative easing." In the 1980s, you should have had 0% in gold given the fall of gold in 1981 because of Paul Volcker's monetary tightening policies, and other reasons. Why did gold prices drop in 1981? And a word of caution: If you don't understand the impact of "quantitative easing" or "Paul Volcker" on gold prices, you probably shouldn't be buying it.