SwellNow on testnetTestnet

1. Open a live match, pick up or down

Every event shows one team’s chance to win: Real Madrid, 58%. Will it be higher or lower in three minutes? Choose UP or DOWN and enter an amount, say $25.

1. Open a live match, pick up or down

Every event shows one team’s chance to win: Real Madrid, 58%. Will it be higher or lower in three minutes? Choose UP or DOWN and enter an amount, say $25.

1. Open a live match, pick up or down

Every event shows one team’s chance to win: Real Madrid, 58%. Will it be higher or lower in three minutes? Choose UP or DOWN and enter an amount, say $25.

BaseballSaitama Seibu Lions vs. Nippon Ham Fighters

Saitama Seibu Lions vs. Nippon Ham Fighters

Saitama Seibu Lionsmeasured62%
Nippon Ham Fighters38%
Betting cutoff

Loading the line…

How it works

  1. Bet before the cutoff
  2. Betting closes, the odds are measured for 3 min
  3. Winners split the pool
Full rules

You call whether the Polymarket probability of “Saitama Seibu Lions” goes up or down in the 3 min after the cutoff; betting is open for 3 min. We compare the average over the last 30 s before the cutoff with the last 30 s before resolution, and winners split the pool in proportion to their stakes. If the line didn’t move, one side is empty, the market is decided or the data is unreliable, everyone gets their stake back in full, with no fee.

Probabilities from

Windows resolved7

24h volume$4K