The Algorithmic Advantage 043 - Brent Penfold - Can Pre-Historic Strategies Still Make 30%pa?
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Oct 1, 2025 Brent Penfold, an experienced futures trader and strategy developer with over 40 years in the markets, discusses timeless trading wisdom. He argues that simple, historical strategies can yield consistent returns today. Brent highlights the importance of diversification and disciplined portfolio management across 30 futures markets with diverse models. He shares insights into emotional trading biases, the transition from discretionary to mechanical trading, and the role of trend versus mean reversion strategies, all aimed at building robust, efficient trading systems.
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Match Account Size To Portfolio Needs
- Decide appropriate account size by combining margin needs and historical worst drawdown.
- Fund the account to cover average contract margin plus worst-case drawdown before scaling the portfolio.
Equal Signals, Portfolio Constraints
- Treat each valid signal equally and focus on portfolio-level metrics like max simultaneous positions.
- In Brent's backtests, 20 models across 30 markets historically never opened more than 18 positions at once.
Trend vs Mean Reversion Complementarity
- Trend strategies are capital-hungry but efficient per-stop; mean-reversion is capital-light yet inefficient.
- Combining both fills each other's performance gaps and neutralises volatility exposure.
