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quotavgquotavgofquotsumquotsumof,…
meantdtrtrtdsumtdtd,…
j的协方差covij=sumyi-,成份标准差=bi*sumcovij*,…
quotavgquotavgofquotsumquotsumof,…
默认为x>=0sumx=,…
fromstocksendsumv:=sumt融资,…
price2成交量加权平均sumprice*,3成交金额加权平均sumprice*,4成交量加权平均调整sumamountsum,…
//暂停1秒returnsum0-,…
盈利总亏损=abssum上涨点数,…
盈利总亏损=abssum上涨点数,…