The odds
as of Oct 18, 19:17 UTC- Fluminense FC 68% +28
- Draw (Fluminense FC vs. Santos FC) 18% −11
- Santos FC 14% −19
Traded today$45K
Traded in all$47K
Favourite, 7 days+24 pts
Fluminense FC, the last 7 days
Polymarket priceOct 11: 47% · Oct 12: 48% · Oct 13: 47% · Oct 14: 46% · Oct 15: 45% · Oct 16: 42% · Oct 17: 40% · Oct 18: 68%
The same question on Kalshi
Two venues, two sets of traders, sometimes two slightly different rules — read both before comparing. Kalshi's number is as of Oct 18, 19:17 UTC.
How it resolves
Polymarket's rule, word for wordThis event is for the upcoming Brazil Série A game, scheduled for Sunday, October 18, 2026 between Fluminense FC and Santos FC.
Settlement sources: https://www.cbf.com.br/futebol-brasileiro/competicoes/campeonato-brasileiro-serie-a
Sports event contracts aren't legal everywhere; the venue's own rules on age and location apply. OddsOnAir shows prices and never takes or advises a trade.
See it on Polymarket ↗