What Does ‘O/U’ Mean in Betting?
O and U are abbreviations for Over and Under in sports betting, which relates to totals betting. This type of bet involves placing a bet on whether the actual score of a game will be over or under a predetermined number of points (the “line“). O and U are typically seen on an online sportsbook in the section dedicated to totals betting. This section will list the various lines available for different games, and the corresponding O and U options will be next to each line.
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