GapAlgo

The 15 free GapAlgo indicators

Every one is public on TradingView, free, and works without a signup. Each page explains what the indicator draws, how to read it, and when it is useful.

Gaps and ranges

Opening Gap Tracker

Marks the overnight gap, tracks whether price fills it, and reports the fill rate and median fill time.

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Overnight Range

The range built between one close and the next open, carried across the session, with counts for how often each side gets taken.

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Initial Balance

The opening hour range with extension targets, and how often the session leaves it and reaches each level.

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Daily Range Projection

Projects where the day's high and low would land at average range, and shows how much of that range is already spent.

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Levels and sessions

Session VWAP

Volume weighted average price anchored to your session, with deviation bands and the previous period's closing VWAP carried forward.

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Previous Day Week Month Levels

Previous day, week and month highs, lows and closes, with counts for how often the session reaches yesterday's extremes.

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Session Killzones

Boxes Asia, London and New York with the four ICT killzones, filtered so a single bad tick cannot stretch the range.

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Structure

Opening Range Breakout Entries

Boxes the opening range for the session you choose and confirms the break on a close rather than a wick.

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Smart Order Blocks

Marks bullish and bearish order blocks when structure shifts, and greys each one out once price mitigates it.

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Fair Value Gap Finder

Finds three candle imbalances, tracks each gap until price fills it, and greys out the ones that are done.

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Liquidity Levels

Maps equal highs and lows as resting liquidity, then greys out each level once it has been swept.

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Optimal Trade Entries

Draws the dealing range, splits it at equilibrium, and highlights the 61.8 to 78.6 retracement on the side structure supports.

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Momentum and volume

Trend Surge

Classifies the market as bullish, bearish or chop, using a threshold that adapts to each symbol rather than a fixed number.

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RSI Divergence

Detects all four divergence types from confirmed pivots, so a line that prints does not vanish later.

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Volume Pulse

Flags abnormal volume against the symbol's own baseline, adjusted for time of day, with a buy versus sell pressure read.

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