Algorithmic Strategy Design: From Idea to Execution
Module: Fintech AI | Difficulty: Advanced
Strategy Lifecycle
- Research β 2. Backtest β 3. Paper Trade β 4. Live Trade β 5. Monitor
Risk Controls
| Control | Purpose | Limit |
|---|---|---|
| Position limit | Size risk | 5% NAV |
| Loss limit | Daily loss | 2% NAV |
| Drawdown limit | Cumulative loss | 10% NAV |
| Order limit | Execution risk | 100 orders/sec |
Live Monitoring
class AlgoStrategy:
def __init__(self, risk_limits):
self.limits = risk_limits; self.positions = {}
def check_risk(self, order):
if abs(order['size']) > self.limits['max_position']:
return False
if self.daily_pnl < -self.limits['max_daily_loss']:
return False
return True
def execute(self, signal, market_data):
if self.check_risk(signal):
order = self.generate_order(signal, market_data)
return self.submit_order(order)
return None
Research Insight: The gap between backtest and live performance is the biggest challenge in algorithmic trading. Typical degradation is 50-70%. Key causes: market impact, latency, slippage, and regime changes. Paper trading helps quantify this degradation before risking capital.