Yanbin Wu

• [2026 JFE] 当波动率曲面被「散户」推歪：从券商宕机里读出的需求压力Retail Option Traders and the Implied Volatility SurfaceMay 2026
• [2022 JFE] 当散户「掉线」：一次宕机，照出两种截然不同的散户Retail Trader Sophistication and Stock Market Quality: Evidence from Brokerage OutagesJun 2026