The Yijing Hexagram Symbols block spans U+4DC0–U+4DFF, 64 codepoints in Plane 0 (Basic Multilingual Plane). Every one of them is assigned in Unicode 16.0.

All of its characters have the script value Common: they are shared across writing systems rather than tied to one.

By general category: 64 other symbols (So).

The first 64 arrived in Unicode 4.0 (2003).

64 characters are East Asian Wide or Fullwidth and take two columns in terminals.