Brokey.dll is an essential internal application file required for the main AmiBroker application (Broker.exe) to function.
While users often encounter it when browsing their installation directory, it is a core system component rather than a standalone trading strategy or public-facing plugin like OpenAlgo or AlgaMojo. 1. Functional Context
Within the AmiBroker architecture, Brokey.dll operates alongside other support libraries like CoolTool.dll and MiscTool.dll. These files handle low-level operations that support the primary trading environment, including:
System Integrity: Ensuring the software's core processes communicate correctly.
Licensing & Security: Managing the authentication and registration status of the Standard, Professional, or Ultimate editions.
API Management: Supporting the infrastructure that allows external data plugins (e.g., IQFeed, Interactive Brokers) and AFL plugins to interface with the main engine. 2. Role in the AmiBroker Ecosystem
AmiBroker is a high-performance platform for technical analysis and system development. Supporting files like Brokey.dll enable the platform’s most powerful features:
AFL (AmiBroker Formula Language): A C-like scripting language used to create custom indicators and automated strategies.
Backtesting and Optimization: High-speed simulation of trading rules against historical data, including Monte Carlo and Walk-Forward testing.
Automation Bridges: Facilitating the connection to order execution platforms like Tradetron or OpenAlgo through DLL-based plugins. 3. Troubleshooting and Maintenance
If a user receives an error related to Brokey.dll, it typically indicates a corrupted installation or a mismatch between the software version and its required libraries. brokey for amibroker
Third-party plugins must ship with proper runtime - AmiBroker
In the context of the technical analysis software Brokey.dll
is an essential application file required for the program to function properly.
While the term "Brokey" might sound like slang, it is actually a core system component that works alongside other dynamic link libraries (DLLs) like CoolTool.dll MiscTool.dll to support the main Broker.exe application. Key Details : It is a Dynamic Link Library (DLL) file.
: It serves as a support library that must be present in the AmiBroker installation folder for the software to run. Optimization
: Like the rest of AmiBroker, it is written in C++ and hand-optimized to be compact and high-performance, contributing to the software's overall small executable size (approx. 3.5 MB for all .exe and .dll files combined).
If you are seeing an error related to a "missing piece" or "Brokey," it typically means this file was accidentally deleted or blocked by security software, and you may need to reinstall AmiBroker to restore it. Are you experiencing a specific error message startup issue related to this file?
AI responses may include mistakes. For financial advice, consult a professional. Learn more Files used by AmiBroker
Brokey.dll is a critical, native dynamic link library (DLL) file that acts as the core engine for
. While often mistaken for a third-party plugin because of its name, it is a built-in file essential for the software's execution and internal operations. Key Functions of Brokey.dll Application Core : It is one of the primary application files required for Broker.exe to launch and run correctly. Security & Licensing Brokey
: It handles internal system checks to ensure the application environment is stable and properly authorized. Resource Management : Along with other files like CoolTool.dll MiscTool.dll
, it manages the various tools and features available within the AmiBroker interface. Troubleshooting Guide: Missing or Erroring Brokey.dll
If you encounter errors related to "Brokey.dll" (such as "file not found" or "crash in module Brokey.dll"), follow these steps to resolve them: Restart with Administrative Rights : Right-click the AmiBroker shortcut and select Run as Administrator
. Sometimes the system cannot access core DLLs due to permission restrictions. Verify Antivirus Quarantine : Some antivirus programs mistakenly flag Brokey.dll
as a "false positive" because of its low-level system access. Check your antivirus quarantine folder and restore the file if it has been moved. Perform a Repair Installation Download the latest installer from the AmiBroker Download Page Run the installer and choose the Full Installation
option. This will overwrite any corrupted or missing system DLLs, including Brokey. Check Bit Version Compatibility
: Ensure you are not trying to run a 64-bit plugin in the 32-bit version of AmiBroker (or vice versa), as this can cause the software to crash when loading core modules. Summary of Essential AmiBroker Files Broker.exe The main application executable. Brokey.dll Essential core application library. AmiQuote.exe External quote downloader for EOD and intraday data. HTMLView.exe
The viewer used to display backtest and optimization reports. Are you experiencing a specific error message when trying to open AmiBroker?
AI responses may include mistakes. For financial advice, consult a professional. Learn more Files used by AmiBroker
| Indicator | Base | Volatility adjusted? | Best use | |-----------|------|----------------------|-----------| | Brokey | Price change / ATR | Yes | Trend & reversal | | RSI | Avg gain/loss | No | Overbought/oversold | | CCI | Typical price vs MA | Yes (MD deviation) | Cyclical moves | | ATR Trailing Stop | ATR only | Yes | Stop placement | | Donchian Breakout | Price channels | No | Breakout trading | Typical configuration options (examples)
Brokey is conceptually closest to Keltner Channel width-normalized momentum or a Tushar Chande’s Momentum ATR.
Set these by editing variables at the top of the AFL script or through provided UI inputs if the Brokey version supports them.
// Simple Brokey-like check: flags bars with non-positive or NaN close
bad = (Close <= 0) OR IsNull(Close);
if (LastValue(Sum(bad, BarCount)) > 0)
printf("%s has %d bad bars\n", Name(), LastValue(Sum(bad, BarCount)));
Use Brokey > 0 to filter only long breakout signals (e.g., channel breaks, moving average crosses).
In AmiBroker, create a new watchlist called _Brokey_Dead. Import all delisted tickers and their historical quotes. Yes, you must have price history from their first day to their last.
// Brokey Indicator for AmiBroker Period = Param("Lookback", 14, 5, 50, 1); ATRPeriod = Param("ATR Period", 14, 5, 50, 1); Mult = Param("Multiplier", 1.5, 0.5, 5, 0.1);RawBrokey = (C - Ref(C, -Period)) / (ATR(ATRPeriod) * Mult); Brokey = EMA(RawBrokey, 3); // Optional smoothing
Plot(Brokey, "Brokey", colorBlue, styleThick); Plot(0, "Zero", colorBlack, styleDots); Plot(2, "Overbought", colorRed, styleDashed); Plot(-2, "Oversold", colorGreen, styleDashed);
// Buy/Sell signals Buy = Cross(Brokey, 0) AND Brokey > Ref(Brokey, -1); Sell = Cross(0, Brokey) AND Brokey < Ref(Brokey, -1);
PlotShapes(Buy * shapeUpArrow, colorGreen, 0, Brokey); PlotShapes(Sell * shapeDownArrow, colorRed, 0, Brokey);
While Amibroker has basic Fib retracements, Brokey’s version is fully interactive. You can draw a Fib from swing low to swing high, and the tool automatically: