This risk management tool for MetaTrader 4 and 5 calculates optimal lot sizes based on user-defined risk parameters, account balance, and currency. It provides a graphical user interface for setting entry, stop loss, and take profit levels visually on the chart. The expert advisor accounts for commissions, swaps, and m
Utility · MT5
Position Sizer MT5
This MetaTrader 5 utility calculates lot sizes based on account balance, risk percentage, and stop-loss distance.
GitHub stars2
Forks1
Last update1 year ago4 Jul 2025
LicenceApache-2.0
Overview
Position Sizer MT5 features a graphical interface with draggable lines for entry, stop-loss, and take-profit levels to assist with precise trade planning. The expert advisor includes a portfolio risk overview, commission accounting, and optional ATR-based volatility adjustments for setting exits. It supports direct trade execution from the chart, including splitting positions into multiple targets. Users can customize visual elements like label visibility, line styles, and font settings to suit their workspace.
- Risk-based lot size calculation
- Visual entry and exit line management
- ATR-based stop-loss and take-profit settings
- Portfolio risk overview panel
- Multiple take-profit target splitting
Details
Author
Amaljeevs on GitHub
Type
Utility
Platform
MetaTrader 5 (MQL5)
Markets
Any symbol
Timeframes
Any timeframe
Risk profile
No grid, martingale or hedging logic was found in its code or README. That says nothing about how it performs: backtest it first.
EA files
Topics
expert-advisorexpertadvisor
Input parameters
Read from Position Sizer.mq5. Defaults are the author's; change them in the EA's Inputs tab.
| Name | Type | Default | Description |
|---|---|---|---|
ShowMainLineLabels | bool | true | ShowMainLineLabels: Show point distance for TP/SL near lines? |
ShowAdditionalSLLabel | bool | false | ShowAdditionalSLLabel: Show SL $/% label? |
ShowAdditionalTPLabel | bool | false | ShowAdditionalTPLabel: Show TP $/% + R/R label? |
ShowAdditionalEntryLabel | bool | false | ShowAdditionalEntryLabel: Show Position Size label? |
DrawTextAsBackground | bool | false | DrawTextAsBackground: Draw label objects as background? |
HideAccSize | bool | false | HideAccSize: Hide account size? |
ShowPointValue | bool | false | ShowPointValue: Show point value? |
ShowMaxPSButton | bool | false | ShowMaxPSButton: Show Max Position Size button? |
StartPanelMinimized | bool | false | StartPanelMinimized: Start the panel minimized? |
ShowATROptions | bool | false | ShowATROptions: If true, SL and TP can be set via ATR. |
ShowMaxParametersOnTrading | bool | true | Show max parameters on Trading tab? |
ShowFusesOnTrading | bool | true | Show trading "fuses" on Trading tab? |
Show all 40 inputs
| Name | Type | Default | Description |
|---|---|---|---|
ShowCheckboxesOnTrading | bool | true | Show checkboxes on Trading tab? |
HideEntryLineOnInstant | bool | false | Hide Entry line for Instant orders? |
AdditionalTradeButtons | ADDITIONAL_TRADE_BUTTONS | ADDITIONAL_TRADE_BUTTONS_NONE | Additional Trade buttons: |
sl_label_font_color | color | clrGreen | SL Label Color |
tp_label_font_color | color | clrGoldenrod | TP Label Color |
sp_label_font_color | color | clrPurple | Stop Price Label Color |
entry_label_font_color | color | clrBlue | Entry Label Font Color |
font_size | uint | 13 | Labels Font Size |
font_face | string | Courier | Labels Font Face |
entry_line_color | color | clrBlue | Entry Line Color |
stoploss_line_color | color | clrGreen | Stop-Loss Line Color |
takeprofit_line_color | color | clrGoldenrod | Take-Profit Line Color |
stopprice_line_color | color | clrPurple | Stop Price Line Color |
be_line_color | color | clrNONE | BE Line Color |
entry_line_style | ENUM_LINE_STYLE | STYLE_SOLID | Entry Line Style |
stoploss_line_style | ENUM_LINE_STYLE | STYLE_SOLID | Stop-Loss Line Style |
takeprofit_line_style | ENUM_LINE_STYLE | STYLE_SOLID | Take-Profit Line Style |
stopprice_line_style | ENUM_LINE_STYLE | STYLE_DOT | Stop Price Line Style |
be_line_style | ENUM_LINE_STYLE | STYLE_DOT | BE Line Style |
entry_line_width | uint | 1 | Entry Line Width |
stoploss_line_width | uint | 1 | Stop-Loss Line Width |
takeprofit_line_width | uint | 1 | Take-Profit Line Width |
stopprice_line_width | uint | 1 | Stop Price Line Width |
be_line_width | uint | 1 | BE Line Width |
DefaultTradeDirection | TRADE_DIRECTION | Long | TradeDirection: Default trade direction. |
DefaultSL | int | 0 | SL: Default stop-loss value, in points. |
DefaultTP | int | 0 | TP: Default take-profit value, in points. |
DefaultTakeProfitsNumber | int | 1 | TakeProfitsNumber: More than 1 target to split trades. |
How to install it
- 1Download the sourceUse "Download source (.zip)" above, or clone Amaljeevs/MetaTraderPositionSizer from GitHub, and unzip it.
- 2Open the data folderIn MetaTrader choose File, then Open Data Folder, and go to MQL5/Experts.
- 3Copy the filesCopy the .mq5 file into Experts, and any .mqh files into the Include folder the code expects.
- 4Compile in MetaEditorOpen the file in MetaEditor and press Compile. Fix any missing includes the compiler reports.
- 5Test before you tradeRun it in the Strategy Tester, then attach it to a demo chart and allow algorithmic trading.
Third-party code. ForexR did not write, test or endorse this EA, and the summary above was generated automatically from its README and code. ForexR lists only repositories with readable source code and never hosts files. Read the code, backtest it and use a demo account first; automated trading can lose money quickly.
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