• 2022-06-12
    假定在连续[tex=1.0x1.286]oqTX8Aml1lQZAP0gMGUYCw==[/tex]个周末所观察的股票价格(以美元计)为:[tex=15.571x1.286]qiPxfL6zZuIVuHcgqAoTEJIo3Qp7yqYtiL0vrGnJ34S7ANs953NEvKX6X2vdVfJk[/tex][tex=18.286x1.286]Sn9V8mVoGUcUMFsFr2BHs9uEZ4QFUaRgcACdW96mMVc1M9zgsIGlk0a36oAB6/gPlicGpYN1vDwycjm9RR2t0g==[/tex][tex=4.429x1.286]GfqMcJaRZgxKIEtQFkWbWcBd7cPgCfUEGWvGXwhcORM=[/tex]估计股票价格的波动率,你所估计结果的标准差为多少?