90 lines
3.4 KiB
Markdown
90 lines
3.4 KiB
Markdown
# Portfolio Manager
|
|
|
|
## Overview
|
|
The Portfolio Manager service will provide comprehensive position tracking, portfolio analysis, and management capabilities for the stock-bot platform. It will maintain the current state of all trading portfolios, calculate performance metrics, and support portfolio-level decision making.
|
|
|
|
## Planned Features
|
|
|
|
### Position Management
|
|
- **Real-time Position Tracking**: Accurate tracking of all open positions
|
|
- **Position Reconciliation**: Validation against broker records
|
|
- **Average Price Calculation**: Tracking of position entry prices
|
|
- **Lot Management**: FIFO/LIFO/average cost basis tracking
|
|
- **Multi-currency Support**: Handling positions across different currencies
|
|
|
|
### Portfolio Analytics
|
|
- **Performance Metrics**: Return calculation (absolute, relative, time-weighted)
|
|
- **Risk Metrics**: Volatility, beta, correlation, VaR calculations
|
|
- **Attribution Analysis**: Performance attribution by sector, strategy, asset class
|
|
- **Scenario Analysis**: What-if analysis for portfolio changes
|
|
- **Benchmark Comparison**: Performance vs. standard benchmarks
|
|
|
|
### Corporate Action Processing
|
|
- **Dividend Processing**: Impact of cash and stock dividends
|
|
- **Split Adjustments**: Handling of stock splits and reverse splits
|
|
- **Merger & Acquisition Handling**: Position adjustments for M&A events
|
|
- **Rights & Warrants**: Processing of corporate rights events
|
|
- **Spin-offs**: Management of position changes from spin-off events
|
|
|
|
### Portfolio Construction
|
|
- **Rebalancing Tools**: Portfolio rebalancing against targets
|
|
- **Optimization**: Portfolio optimization for various objectives
|
|
- **Constraint Management**: Enforcement of portfolio constraints
|
|
- **Tax-aware Trading**: Consideration of tax implications
|
|
- **Cash Management**: Handling of cash positions and forecasting
|
|
|
|
## Planned Integration Points
|
|
|
|
### Upstream Connections
|
|
- Order Management System (for executed trades)
|
|
- Broker Gateway (for position verification)
|
|
- Market Data Gateway (for pricing)
|
|
- Strategy Orchestrator (for allocation decisions)
|
|
|
|
### Downstream Consumers
|
|
- Risk Guardian (for portfolio risk assessment)
|
|
- Trading Dashboard (for portfolio visualization)
|
|
- Reporting System (for performance reporting)
|
|
- Tax Reporting (for tax calculations)
|
|
|
|
## Planned Technical Implementation
|
|
|
|
### Technology Stack
|
|
- **Runtime**: Node.js with TypeScript
|
|
- **Database**: Fast database with transaction support
|
|
- **Calculation Engine**: Optimized financial calculation libraries
|
|
- **API**: RESTful interface with WebSocket updates
|
|
- **Caching**: In-memory position cache for performance
|
|
|
|
### Architecture Pattern
|
|
- Event sourcing for position history
|
|
- CQRS for optimized read/write operations
|
|
- Eventual consistency for distributed state
|
|
- Snapshotting for performance optimization
|
|
|
|
## Development Guidelines
|
|
|
|
### Position Calculations
|
|
- Cost basis methodologies
|
|
- Corporate action handling
|
|
- FX conversion approaches
|
|
- Performance calculation standards
|
|
|
|
### Data Consistency
|
|
- Reconciliation procedures
|
|
- Error detection and correction
|
|
- Data validation requirements
|
|
- Audit trail requirements
|
|
|
|
### Performance Optimization
|
|
- Caching strategies
|
|
- Calculation optimization
|
|
- Query patterns
|
|
- Batch processing approaches
|
|
|
|
## Implementation Roadmap
|
|
1. Basic position tracking and P&L calculation
|
|
2. Portfolio analytics and performance metrics
|
|
3. Corporate action processing
|
|
4. Advanced portfolio construction tools
|
|
5. Tax and regulatory reporting features
|