UFC / PFL / ONE / RIZIN / KSW / ACA / OKTAGON ranked on one scale across promotions and eras by an in-house algorithm. Eligibility = at least 10 professional MMA bouts.
This ranking solves the results of the seven major promotions as one network instead of one table per promotion. Fighters who never met are compared too, through the opponents they have in common.
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How to read the columns. Consensus rating is the ordering metric: champions are placed at the top and the rest follow by rating, so the numbers do not always fall from top to bottom. Movement is the difference from the previous publication, computed separately for each view on screen. Pure rating is the estimate of ability with its uncertainty subtracted, a conservative figure that keeps fighters with few bouts from being overrated.
To be listed a fighter needs at least 10 career bouts and a place in one of the seven major promotions; current champions are exempt from both. Active means the last bout in a major promotion falls within 2 years. The update runs early every Wednesday, and a week that fails the checks is not published at all: the previous week's data stays up.
What goes into the calculation, and what does not, is written up in how the rankings work.
