: Goldmoney Research offers a paper suggesting silver is both money and a commodity.
: A 50-year retrospective study detailed by A Simple Gold & Silver Trend Strategy found that a rules-based strategy using MACD and RSI outperformed "buy and hold".
: When the ratio exceeds 80:1 (suggesting silver is undervalued). Sell Silver (Buy Gold) : When the ratio drops below 50:1. Long-Term Strategy Studies