The odds are tight for Saturday night's Tim Tszyu vs. Errol Spence Jr. bout. Odds had Tszyu paying out $130 for every $100 bet should he win, so that's hardly a windfall. One can also get Spence priced decent at -160.
Prediction market Kalshi immediately sent out a cease and desist letter upon being notified of the trailer it says is "misleading". The prediction market claims that the trailer features what appear to be "fabricated" bet slips.