DeFi Portfolio Rebalancing System

Build rebalancing system for:

Portfolio Size: ${{PORTFOLIO_SIZE}}
Positions: ${{POSITION_COUNT}}
Rebalancing Frequency: ${{REBALANCING_FREQUENCY}}
Gas Budget: ${{GAS_BUDGET}}

Develop rebalancing system:
1. Target Allocation
   - Strategic asset allocation
   - Protocol allocation
   - Chain allocation
   - Risk budgeting

2. Trigger Mechanisms
   - Threshold-based triggers
   - Calendar-based schedule
   - Opportunity-based triggers
   - Hybrid approaches

3. Execution Process
   - Priority sequencing
   - Transaction batching
   - Gas optimization
   - Slippage management

4. Cost Consideration
   - Transaction costs
   - Tax implications
   - Opportunity costs
   - Break-even analysis

5. Automation Options
   - Manual with alerts
   - Semi-automated
   - Fully automated
   - Tool comparison

6. Performance Tracking
   - Rebalancing effectiveness
   - Cost analysis
   - Risk metrics
   - Benchmark comparison