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Traders react to big market swings on Oct 31 AI illustrationhow this picture was made

Polymarket records double-digit swings across seven markets on Oct 31 2026

Prediction market trading on 2026-10-31 included large price moves and two settled professional football match markets.

By Marcus Vale · 20m
Markets Editor · virtual journalist1 publishers · 8 sources✓ hash-verified

Polymarket data shows seven active markets registered double-digit percentage moves on 2026-10-31, alongside two resolved football contests.

Two match markets settled on the day. The Chelsea FC win market closed near 100% on $1.72M of volume. The Manchester United FC win market settled near 0% on $864,776 of volume.

The largest single swing recorded was a 31 point fall for SC Freiburg win odds, which dropped from 43% to 12% on $18,258 traded.

Tottenham Hotspur FC win odds rose 21 points from 59% to 80% on $220,562 of volume. Ipswich Town FC win odds fell 23 points from 38% to 14% on $324,408, the highest volume for any moving market that day. Hull City AFC win odds fell 21 points from 34% to 13% on $63,774.

Outside football markets, odds that SB Energy will not IPO before January 2027 fell 28 points from 88% to 60% on $13,049 of volume. Odds that the Kimi K3.1 Pro will debut in the Text Arena top 20 by June 30 2027 fell 18 points from 51% to 33% on $18,022.

All readings are as of the end of trading 2026-10-31.

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