一期的协方差矩阵covariance_ewma,media2026-01-29_cdnhy4sy6j03qg5zimage22,searchcontenttslkeyword=%bf%c9,bf%bf%d0,eequottarget=quot_blankquot,%矩阵returns:=pf_getportfolioratestocks,…

media2026-01-29_cdnhy4sy6j03qg5zimage22,searchcontenttslkeyword=%bf%c9,bf%bf%d0,eequottarget=quot_blankquot,标准差范例tcodesp_spn,stocksh000300sp_spn,…

media2026-01-29_cdnhy4sy6j03qg5zimage22,searchcontenttslkeyword=%bf%c9,bf%bf%d0,eequottarget=quot_blankquot,协方差范例tcodesp_spn,stocksh000300sp_spn,…

media2026-01-29_cdnhy4sy6j03qg5zimage22,searchcontenttslkeyword=%bf%c9,bf%bf%d0,eequottarget=quot_blankquot,斜率范例tcodesp_spn,stocksh000300sp_spn,…

media2026-01-29_cdnhy4sy6j03qg5zimage22,searchcontenttslkeyword=%bf%c9,bf%bf%d0,eequottarget=quot_blankquot,差范例tcodesp_spn,stocksh000300sp_spn,…

media2026-01-29_cdnhy4sy6j03qg5zimage22,searchcontenttslkeyword=%bf%c9,bf%bf%d0,eequottarget=quot_blankquot,项范例tcodesp_spn,stocksh000300sp_spn,…

media2026-01-29_cdnhy4sy6j03qg5zimage22,searchcontenttslkeyword=%bf%c9,bf%bf%d0,eequottarget=quot_blankquot,方差范例tcodesp_spn,stocksh000300sp_spn,…

日指数双融交易额index_totalmargintrading,stringendttdatetimerealindexid@@,20250314的双融交易额indexid:=quot,quotendt:=20250314treturnindex_totalmargintrading,…

获取指数筹码分布指标index_ta,chipdistributionindexidendtdays,righttypestypearrayindexid@@,20230206筹码分布指标codeindexid:=quot,0stype:=1returnindex_ta,chipdistributionindexidendtdays,…

横截面离差因子计算模型index_md,csadindexidstringendt,cyclestringbenchmarkidstringarrayindexid@@,检验值范例tcodeindexid:=quot,:=20cycle:=cy_weekbenchmarkid,quotsh000001quotreturnindex_md,…