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Price Action Volumetric Order Blocks MT5
An open-source market structure and order block visualisation tool for MetaTrader 5.
The indicator identifies confirmed swing points, BOS/MSB structure events and active bullish or bearish order blocks. It also estimates the balance between buying and selling activity within each block and summarises active zones in a compact chart panel.
Key features
- Confirmed market-structure pivots and BOS/MSB levels.
- Bullish and bearish order blocks projected across the chart.
- Estimated buy/sell participation within each active zone.
- Compact dashboard showing price range, buy/sell percentages and volume.
- Configurable colours, panel position, number of zones and visual options.
- Deterministic removal of chart objects when the indicator is removed.
Volume interpretation
MT5 does not provide centralised buy/sell volume for every market. The indicator therefore estimates participation from the available bar and tick-volume data. Where actual volume is unavailable, tick volume is used as a fallback. These values are analytical estimates, not exchange order-flow data.
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Historical behaviour
Swing points are displayed only after the selected confirmation bars have closed. BOS/MSB events and order blocks are based on confirmed structure. This prevents unconfirmed movements within the current bar from being presented as completed structural events.
Main inputs
- Pivot period and structure sensitivity.
- Maximum active order blocks and projection length.
- Colours for estimated volume and zone palette.
- Dashboard visibility, position, font and dimensions.
- Visibility and spacing ofconfirmed markers.
Compatibility and use
Designed for MetaTrader 5 and suitable for use on symbols and timeframes with sufficient price history. It is a visual analysis tool; it does not place or manage trades.
Authorship and licence
Original Pine Script concept and implementation by UAlgo. MetaTrader 5 port, interface redesign and corrections by German Emilio Camon. Distributed under the Mozilla Public Licence 2.0. The complete corresponding source code is included in this CodeBase publication.
Risk notice: This indicator is for analytical and educational use. It does not guarantee future market behaviour or trading results. 
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