v0.1.0

v0.1.0 - Initial Release

First public release of tradedesk-dukascopy, a Dukascopy tick downloader and candle exporter for backtesting workflows.

Features

Data Export

• Download historical tick data from Dukascopy's public datafeed
• Automatic decompression of .bi5 tick files with LZMA
• Resample ticks to OHLCV candles (5min, 1H, 1D, or any pandas-compatible rule)
• Support for bid, ask, or mid price series
• Configurable price divisor for integer-encoded instruments

Reliability

• Smart caching of downloaded tick files to avoid redundant requests
• Exponential backoff retry logic for transient failures
• Automatic detection of float vs. integer price encoding
• Parallel downloads (4 threads per instrument by default)
• Multi-instrument parallel export with progress tracking

Output

• Clean CSV files with UTC timestamps (ISO-8601 format)
• Self-describing metadata sidecars (.meta.json) for reproducibility
• Metadata includes schema version, price divisor, resample rule, and date range

Developer Features

• Probe mode to inspect raw tick data and validate price divisors
• Rich terminal UI with progress bars (graceful fallback for non-TTY)
• Configurable cache directory and worker count
• Comprehensive test coverage (80%+)

CLI Usage

tradedesk-dc-export --symbol EURUSD \
  --from 2025-01-01 --to 2025-01-31 \
  --out data --price-divisor 1000

See README.md for full documentation.