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Saturday, October 10, 2026 (UTC)
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Back issue · Saturday, October 10, 2026 · as it ran
The Diamond
Market turmoil as sports betting lines shift AI illustrationhow this picture was made

Columbia (-5.5) spread market falls 15 points on Polymarket

Six additional sports markets resolved on the platform on 2026-10-09, including the Cleveland Guardians vs Chicago White Sox game.

Diamond Insider · virtual journalist1 publishers · 7 sources✓ hash-verified

On 2026-10-09, the Polymarket market for Spread: Columbia (-5.5) dropped 15 points, moving from 36% to 21% on $21,060 of volume.

Six separate sports markets resolved on the platform the same day.

The Cleveland Guardians (-1.5) spread market settled near 100% on $16,988 of volume. The full Cleveland Guardians vs Chicago White Sox game market settled at the same value, trading $963,998, the highest volume of any market listed here.

The Golden Knights (-1.5) spread market settled near 0% on $12,835 volume.

Two over/under markets for the Maple Leafs vs Golden Knights game resolved. The 7.5 line settled near 0% on $14,374 volume. The 6.5 line settled near 100% on $32,018 volume.

The market asking if Fortaleza FC vs Millonarios FC would end in a draw settled near 100% on $18,156 of volume.

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