Portfolio Theory on VintBTC.com – Vintage Coin Investment & Market Analysishttps://vintbtc.com/tags/portfolio-theory/Recent content in Portfolio Theory on VintBTC.com – Vintage Coin Investment & Market AnalysisHugoenSat, 06 Jun 2026 18:00:00 +0000The Vintage Coin Sharpe Ratio: How Old BTC, DOGE, and LTC Deliver Superior Risk-Adjusted Returns Across Market Regimeshttps://vintbtc.com/posts/vintage-sharpe-ratio-analysis/Sat, 06 Jun 2026 18:00:00 +0000https://vintbtc.com/posts/vintage-sharpe-ratio-analysis/A data-driven analysis of how vintage Bitcoin, Litecoin, and Dogecoin deliver a 2–3x improvement in risk-adjusted returns over spot equivalents — measured by Sharpe ratio, drawdown resistance, volatility reduction, and recovery speed across the 2021–2026 cycle.