CSV Exporter
This EA periodically exports candle close prices to a CSV file at a user-defined interval. It reads a specified number of historical bars and writes their close prices to a symbol-and-period-named CSV file. It does not place any trades or analyze market conditions for trading decisions.
Open the interactive view (equity curve, symbol switch)Key facts
Backtest results (H1, about 1 year)
Not backtested yet — this EA could not be converted automatically.
Strategy analysis
This EA has no trading strategy concept whatsoever; it is purely a data export utility. Entry conditions and exit conditions are not applicable since the EA never opens or closes any positions. Position sizing and money management are completely absent as well. Its core logic uses the CopyRates function to retrieve a specified number of historical candle bars, then writes each bar's close price to a CSV file via FileWrite. The update mechanism relies on a simple timer that compares the current time against the last write time to determine whether to trigger a new export cycle. The first execution uses a delay of x=1 second, after which it switches to the user-configured UpdateTime interval.
Strengths
- Simple and straightforward implementation with clear logic that is easy to understand
- Supports customizable update interval and candle count, offering some flexibility
- Filename includes symbol and timeframe info, making it easy to distinguish when running multiple instances
- Uses FILE_ANSI format for writing, ensuring good compatibility with various external programs
Weaknesses
- Only exports close prices, missing open, high, low, volume, and timestamp — critical OHLCV data
- FILE_WRITE mode overwrites the entire file each cycle, making incremental data accumulation impossible
- No error checking on file operations; a failed FileOpen would cause a crash due to invalid handle writes
- CopyRates return value is not validated; insufficient data could lead to invalid output content
- Commented-out code suggests more fields were planned but never implemented, indicating incomplete functionality
Possible improvements
- Add complete OHLCV data export including time, open, high, low, close, and tick volume fields
- Add error checking for FileOpen and CopyRates return values to prevent crashes from invalid handles
- Add an append mode option or incremental write logic to avoid overwriting existing data each cycle
Risk assessment
Overall risk: Safe
- No file operation error checking; a failed FileOpen could cause writing to an invalid handle and crash the terminal
- File overwrite mode may cause external programs to read incomplete or corrupted data during write cycles
Evaluation scores
Parameters
| Parameter | Default | Description |
|---|---|---|
UpdateTime | 900 | EA restart and data export interval (seconds) |
CandleCount | 133 | Number of candles to export, overwrites existing CSV data |
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Backtests are historical simulations and do not guarantee future results. Not financial advice.