Interpretation. Which was the best investment in the past 30, 50, 80, or 100 years? This chart compares the performance of the S&P 500, the Dow Jones, Gold, and Silver.The Dow Jones is a stock index that includes 30 large publicly traded companies based in the United States. It is one of the oldest and most-watched indices in the world. Totals for Gold and Silver holdings including the ratio percent of gold versus silver will be calculated. The spot price of Gold per Troy Ounce and the date and time of the price is shown below the calculator. If your browser is configured to accept Cookies you will see a button at the bottom of the Holdings Calculator. Silver spot price charts from 3 mos to 10 years, silver bullion and coin price charts with moving averages. Besides the most current silver price, comparison to the previous day's final price and the 100-day average of final spot closing prices are frequently monitored. FREE Guide to Reading Gold and Silver Charts.