Burning money? How so? If fair value actually were ±400, she has no chance even though the market determines that she has a 20% probability of winning the match? And if I got Oudin at +420 (a 4% edge) and I wagered 0.9524% of my bankroll, I wouldn't have an expected growth of 0.0189%?
You act like a -400 favorite has never lost. Certainly, you've heard of higher probability favorites losing before...
You act like a -400 favorite has never lost. Certainly, you've heard of higher probability favorites losing before...