The Championship Bout Level is a value from 1 to 8.
It describes importance and value of a championship belt.
The Championship Bout Level value is calculated based on the rating of the two fighters that are involved and the Promotion value.
The graph also shows frequency of championship fights.
This graph shows the Championship Bout Level for each UFC HW championship fight.
This graph shows the LW Championship Levels for different Promotions
This graph compares LHW Championship Levels in UFC and Pride from 2001 to 2007