Closing line
Industry and product terms
Definition
The final price before an event starts. Beating it consistently is the usual industry test of whether someone is actually skilled — and the usual trigger for an operator to limit their account.
Source
Additional citation research
The original definition and sourcing warnings are retained. These sources support only the claims identified below, not necessarily the full entry.
- University College Dublin working paper using average closing odds
Supports: Uses closing odds as odds observed at or immediately before an event starts.
- Management Science study of sports-betting market efficiency
Supports: Uses closing prices in research on sports-betting market efficiency.
Remaining evidence gap: The sources do not support calling closing-line performance the usual industry test of skill or claiming that beating it usually triggers account limitation.
Cite this
Betttr. "Closing line." The Gambling Recovery Glossary. https://betttr.net/glossary/closing-line/ (accessed 2026-09-20).
Last updated: 2026-09-20.
Corrections: support@betttr.net
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