OVER / UNDER
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Seattle Mariners vs. Baltimore Orioles

Market price history

Rolling 7-day window of market YES price with the OU fair-price range overlay.

Not enough history yet for a chart.
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Market price
O/U 5.5★ BEST78¢
O/U 6.573¢
O/U 7.560¢
Seattle Mariners vs. Baltimore Orioles54¢
O/U 8.553¢
NRFI50¢
O/U 9.542¢
Spread -1.541¢
O/U 10.536¢
Spread -2.532¢
Spread -1.531¢
O/U 11.526¢
Spread -3.522¢
Spread -2.522¢
Spread -4.516¢
Spread -3.516¢
Polymarket • Volume: $26K • Updated 1h agoCloses: 2026-06-16 (7d)
Polymarket · Sports
OU's Pick
YES · O/U 5.5
at 78¢
Price gap
Polymarket78¢
→
OU's fair78¢
Confidence
Low

Historical scoring trends and search context suggest a high likelihood of the teams combining for at least six runs in this matchup.

High volume$26k
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