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加权样本协方差矩阵weightedcovariance_freqa,加权样本协方差矩阵范例tcodebegt,%矩阵returns:=pf_getportfolioratestocks,=sumwreturnweightedcovariance_freqreturns,media2026-01-29_cdnhy4sy6j03qg5zimage19,…
参数时间板块相关bk_btdepartmentnet,净买入额万范例tcode//,买入额万setsysparampn_bkquot,a股quotsetsysparampn_date20201120t,bk_btdepartmentnet,…
参数时间板块相关bk_btinstitutionnet,净买入总额万范例tcode//,买入总额万setsysparampn_bkquot,a股quotsetsysparampn_date20201120t,bk_btinstitutionnet,…
参数时间板块相关bk_btdepartmentfairamountdirection,平价交易总额万范例tcode//,买入总额万setsysparampn_date20201120t,pn_bkquot,a股quotreturnbk_btdepartmentfairamount2,…
新股发行及上市情况stockissueandlist_callstockarr,内发行及上市情况范例tcodereturn,media2024-08-20_0fmbbyk83qm5rp9bimage8,…
参数时间板块相关bk_btdepartmentpremiumamountdirection,溢价交易总额万范例tcode//,买入总额万setsysparampn_date20201120t,pn_bkquot,a股quotreturnbk_btdepartmentpremiumamount2,…
参数时间板块相关bk_btdepartmentdiscountamountdirection,折价交易总额万范例tcode//,买入总额万setsysparampn_date20201120t,pn_bkquot,a股quotreturnbk_btdepartmentdiscountamount2,…
t日货币基金,再投资portfoliobacktesting_quantity_,持仓明细tjy数据表类型t日所有,@@tablearray@@t日货币,分红再投资交易明细范例tcodepfinfodata,quot9999900returnportfoliobacktesting_quantity_,…
计算组合的varpf_varbydeltanormalw,m*powerm-t*ri,*rjt其中1,1<=i<=nt日1,1<=j<=nt日1,fromtendreturnpf_varbydeltanormals,…
指定产品的数据stocks_revenuesbydefinedproductbkname,指定产品的数据范例tcode//,产品的数据returnstocks_revenuesbydefinedproductquot,media2024-04-18_cehgfbgh7vv1xx2kimage37,…