Reflection on What Improved and What Needs Adjusting

[alanvito1]

# Reflection on What Improved and What Needs Adjusting  

**Category:** Weekly Reflection  
**Date:** 2025-05-31  
**Reading Time:** 3 minutes  

This week, the Orstac dev-trader community made strides in refining strategies and tools, but there’s always room for growth. Below, we highlight key improvements and areas needing adjustment, with actionable insights for programmers and traders alike.  

### Improved: Backtesting Efficiency  

- **Faster execution:** Optimized backtesting scripts reduced runtime by 30% using parallel processing in Python.  
- **Better data handling:** Implemented caching for historical data, minimizing API calls.  

```python  
# Example: Parallel backtesting with multiprocessing  
from multiprocessing import Pool  

def backtest_strategy(params):  
    # Strategy logic here  
    return results  

with Pool(4) as p:  
    results = p.map(backtest_strategy, param_list)  

• Visualization upgrades: Added dynamic charts to compare multiple strategies, aiding quicker decision-making.

Needs Adjusting: Risk Management

• "Overconfidence in backtest results led to underestimating live-market risks."
• Gaps identified:
  • Stop-loss logic fails during high volatility.
  • Position sizing lacks adaptability to changing market conditions.

// Example: Dynamic position sizing based on volatility  
const positionSize = (accountBalance, riskPercent, stopLossPips) => {  
    const riskAmount = accountBalance * (riskPercent / 100);  
    return riskAmount / (stopLossPips * pipValue);  
};  

Next Steps: Collaboration Tools

• Shared dashboards: Integrate real-time P&L tracking for team transparency.
• Documentation: Improve inline comments and strategy wikis to onboard new members faster.

This week’s progress sets a strong foundation, but continuous iteration is key. Share your feedback and ideas at Orstac.dev.