Co-founder of F2Pool & Cobo. Bitcoin enthusiast exploring DeFi & AI. A risk manager, not a prophet.
因为: - CAPM 用波动算风险 - MPT 用 σ(标准差)定义风险 - 夏普比率用波动做分母 - Beta 用相对波动衡量个股风险 - VaR(在险价值)用波动外推