Figure 1. Bitcoin (blue line) vs Gold Return Profile (red line)

From

Optimal Cryptocurrency and BIST 30 Portfolios with the Perspective of Markowitz Portfolio Theory

Sabri Burak Arzova, Caner Özdurak

Journal of Finance and Economics. 2021, 9(4), 146-154 doi:10.12691/jfe-9-4-4