【其他】为什么roic数据很多都是0,是否是平台数据异常
select date, instrument, name, roic_lf, roic_mrq from
cn_stock_prefactors
where is_hs300
and date = '2025-05-15'
order by roic_lf desc limit 20;select date, instrument, name, roic_lf, roic_mrq from
cn_stock_prefactors
where is_hs300
and date = '2025-05-15'
order by roic_lf desc limit 20;