Precious Metals by Market Cap

A precious metal's market cap is estimated by multiplying the current spot price by the estimated total above-ground stock — the total amount of that metal ever mined and still in existence. For gold, this is roughly 200,000 metric tons. For silver, the above-ground investable stock is harder to estimate since much of it is consumed industrially. These figures are approximations and can vary across sources.

Gold has been used as a store of value for thousands of years and is seen as a hedge against inflation, currency devaluation, and economic or geopolitical instability. Unlike stocks or bonds, gold does not depend on any company's performance or a government's creditworthiness. Central banks around the world hold gold as part of their reserves, reinforcing its status as a globally recognized store of wealth.

Silver has significant industrial demand (electronics, solar panels, photography) which makes it more volatile and more sensitive to economic cycles than gold. Platinum is rarer than gold and has major industrial applications in catalytic converters for vehicles. Because of their industrial use cases, both silver and platinum tend to be more economically sensitive than gold, offering higher potential returns but also greater downside risk.

The gold-to-silver ratio measures how many ounces of silver are required to purchase one ounce of gold. Historically, the ratio has averaged around 50–70:1, though it has ranged from under 20 to over 100. Some investors use this ratio to identify relative value — when the ratio is very high (gold expensive relative to silver), they may shift toward silver, and vice versa.

Gold's total above-ground stock value is estimated at over $13–15 trillion, making it one of the largest asset classes in the world by market cap. The entire cryptocurrency market is a small fraction of that. Bitcoin is often described as 'digital gold' due to its fixed supply and store-of-value properties, but its market cap remains far smaller than physical gold's, illustrating how early-stage crypto is relative to traditional hard assets.