Z Lot Size Risk Calculator
- Utilities
- Version: 8.0
- Activations: 10
PositionSizer Z Pro MT5 is a visual position sizing and multi-target trade management utility designed to make risk-based execution faster, clearer and more consistent.
Instead of manually calculating lot sizes before every trade, PositionSizer Z Pro calculates the appropriate position size directly from your account balance, selected risk percentage, entry price and stop-loss level.
Simply choose your trade direction, position your stop loss on the chart, select the number of positions you want to open, and the utility calculates the required lot size automatically.
The risk engine uses MetaTrader 5's own symbol calculations for the current chart instrument rather than relying on a fixed pip-value assumption. Your original trade manager already calculates the expected one-lot loss between entry and stop through OrderCalcProfit() , then derives the total position size from the chosen monetary risk.
Main Features
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Automatic position sizing
Calculates lot size according to your account balance, selected risk percentage and stop-loss distance.
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Automatic symbol detection
Works from the instrument currently loaded on the chart and uses the broker's symbol specifications.
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Automatic pip-distance display
Recognizes standard FX pricing, JPY pairs and gold-style pricing so the stop distance can be displayed in meaningful pips instead of raw MT5 points.
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Visual draggable stop loss
Choose BUY or SELL intent and adjust the stop-loss line by double clicking and dragging directly on the chart. Entry price, risk distance, lot size and targets update automatically.
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2, 3 or 4 position splitting
Divide the calculated total volume across multiple positions while keeping the overall planned risk controlled.
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Multiple R-based take-profit targets
Four configurable reward-to-risk targets are available:
TP1, TP2, TP3 and TP4
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Automatic target calculation
Take-profit levels are recalculated whenever the entry price or stop-loss distance changes.
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One-click BUY and SELL execution
Once the setup is ready, execute the planned multi-position trade directly from the panel.
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Actual-fill TP adjustment
After execution, PositionSizer Z Pro recalculates take-profit levels using the actual position opening prices rather than relying only on the pre-trade quote.
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Automatic breakeven management
After TP1 is closed, remaining positions can automatically have their stop losses moved toward breakeven with a configurable R-based offset.
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Optional ATR trailing stop
Remaining positions can be managed using an ATR-based trailing stop after protection has been activated.
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Broker-aware lot sizing
Position volume is normalized according to the broker's minimum lot, maximum lot and lot-step requirements.
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Broker stop-level protection
The utility checks minimum stop-distance requirements before placing or modifying stops.
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Partial execution protection
If the complete multi-position setup cannot be opened successfully, the utility attempts to roll back the partially opened setup rather than intentionally leaving only part of the planned trade running.
