- Add strict_precision parameter to _dec_str methods
- Modify quantity normalization methods to return (Decimal, precision) tuple
- Infer precision from stepSize/lotSz/qtyStep for accurate formatting
- Update all order placement methods to use precision information
- Fix LOT_SIZE filter errors by strictly limiting decimal places
Affected exchanges:
- Binance Spot & Futures
- OKX
- Bybit
- Bitget Spot & Futures
- Deepcoin
This ensures order quantities are formatted with correct precision matching exchange requirements.
- Add cross-sectional strategy type (single vs cross-sectional)
- Support multi-symbol portfolio management with automatic ranking
- Add portfolio size, long ratio, and rebalance frequency configuration
- Implement parallel order execution for cross-sectional strategies
- Add frontend UI for strategy type selection and configuration
- Add i18n support (Chinese and English) for cross-sectional features
- Fix decimal precision issues in exchange order quantities
- Add last_rebalance_at field to database schema
- Add comprehensive documentation and examples
Database migration required: Add last_rebalance_at column to qd_strategies_trading table
TIANHE