> For the complete documentation index, see [llms.txt](https://docs.fiinquant.vn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fiinquant.vn/huong-dan-python/cau-truc-du-lieu-mau/chi-so-co-ban.md).

# Chỉ số cơ bản