Reverse line movement can be a reliable indicator for sports betting decisions when it is supported by comprehensive analysis and aligns with sound betting principles. Specifically, it becomes more trustworthy when the movement occurs in a high-stakes context, such as playoff games or significant matchups, where sharp money is likely to influence the line. Additionally, if the reverse line movement is accompanied by public betting data showing a clear majority on one side, paired with a notable shift in the line, this may signal the presence of significant professional money backing the opposite side.