Measure whether your bet price beat the market close.
CLV (percentage points) = P(close) - P(open)
where P = 1 / decimal odds
Price Edge % = (open decimal / close decimal - 1) × 100
If you take -110 and the same side closes at -125, your earlier price is better. The calculator quantifies that price difference.
Use the result as a decision aid and keep the assumptions visible.
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