Arizona Cardinals beat Los Angeles Rams 18-16 on October 18, per the league scoreboard.

On Polymarket, the Cardinals vs Rams match market settled at 100% that day, on $2.99M of traded volume.

Two Rams spread markets also resolved October 18. Both settled near 0%, on $36,843 and $237,970 volume respectively.

The Chargers vs Chiefs market settled near 1% on $1.1M volume.

The Tampa Bay Rays vs Cleveland Guardians market rose 27 points on October 18, moving from 56% to 84% on $835,485 of volume.

Three other Polymarket sports markets closed that day. All three settled near 0%.