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I think that it is worth mentioning that those are also the numbers extracted from Betfair, which has much higher volume, though is not available to Americans.
Is that bet actually available from small volume PredictIt? The bid-ask spread looks small, but are there hidden transaction costs? Why do the three "sell yes" numbers add up to more than $1?
The bet is available on PredictIT. The numbers don't always add to $1 (actually $2 on this market because of the independent) because of bid/ask spreads and because PredictIt's fees make it unprofitable to always push the market to this point.