For thermodynamics reasons, most liquids crystallize when they are cooled below their liquidus temperature. However, crystallization can be obstructed if the cooling occurs faster than some critical cooling rate (102 −1010 K/s). Under such conditions, it is suggested that atoms are forced to ‘freeze-in’ at their positions [1,2] with some local short-range order, due to the finite nature of diffusion kinetics, i.e. the rigid state that is produced maintains the disordered or amorphous structure of the liquid. In this short-communication, using CALPHAD (CALculation of Phase Diagrams), we ask, can the underlying atomic interactions within the liquid state be a valid measurement of a material's glass-forming ability? © 2021 Elsevier Ltd