Gap Analysis
Opening Gap Size & Fill Target Calculator
Enter yesterday's close and today's open to measure the gap, get the exact price level that would "fill the gap," and classify the gap's size against your average daily range. Free to use, no signup required.
If provided, classifies the gap as small, medium, or large relative to ADR.
Gap direction
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Gap size
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Gap %
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Gap fill target (= prior close)
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Size vs ADR
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Educational tool only, not financial advice. Gaps do not always fill, and the timeframe for any fill is not predictable from this calculation alone.
Built by Jason Parker, founder of Trading Ranges.