Kalshi vs Polymarket
Markets proven to ask the same question, priced furthest apart across the two venues, and places where both sides together cost less than the $1 they pay.
Priced furthest apart
Markets proven to ask the same question, with the gap between the two venues
Both sides cost less than $1
Buying Yes on one venue and No on the other for less than the $1 one of them pays
No price gaps can be filled right now. Checked hourly.