When I used to bet on PredictIt, I’d usually try to express my bet as “no” bets for that reason. E.g. instead of buying yes on DeSantis, buy no on everyone else.
The fee structure makes it impossible to do risk-free arbitrage, though, which is why this mispricing can persist.
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The fee structure makes it impossible to do risk-free arbitrage, though, which is why this mispricing can persist.