Chrono Trigger Super Nintendo worth

The catalog shows three versions of Chrono Trigger for the Super Nintendo. The standard Chrono Trigger is valued at $851.74 used [1]. If you are looking at the homebrew versions, Chrono Trigger: Crimson Echoes has a used value of $225.62 [2], while Chrono Trigger: Flame Of Eternity is valued lower at $27 used [3]. The standard release is significantly more valuable than the two homebrew titles listed.