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Proprietary metrics · Upset Index

Upset Index

The giant-killers board — how often a fighter WINS as the betting underdog (positive pre-fight moneyline), across their UFC career. Underdog win rate shrunk toward the corpus mean (~33%) so small samples stay honest, scaled 0–100. Min 5 underdog bouts.

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Leaderboard

8 fighters · / 100
  1. 1
    Ketlen Vieira
    Ketlen Vieira
    4-2 as underdog · 67%
    53.1
  2. 2
    Miesha Tate
    Miesha Tate
    3-2 as underdog · 60%
    47.9
  3. 3
    Yana Santos
    Yana Santos
    3-2 as underdog · 60%
    47.9
  4. 4
    Julianna Pena
    Julianna Pena
    4-4 as underdog · 50%
    44.3
  5. 5
    Nora Cornolle
    Nora Cornolle
    2-3 as underdog · 40%
    36.8
  6. 6
    Joselyne Edwards
    Joselyne Edwards
    2-3 as underdog · 40%
    36.8
  7. 7
    Priscila Cachoeira
    Priscila Cachoeira
    2-4 as underdog · 33%
    33.1
  8. 8
    Hailey Cowan
    Hailey Cowan
    1-4 as underdog · 20%
    25.7