Martingale Strategy
Quick Definition
A cost-averaging strategy where position sizes are exponentially multiplied (e.g. 1x, 2x, 4x) following each losing trade to recover previous losses with a single winner.
Detailed Explanation
While Martingale algorithms achieve exceptionally high win-rate curves in ranging markets, they introduce catastrophic tail risk during extended one-directional trends. Professional algorithmic traders utilize strict drawdown limiters or modified grid variations with hard stop-losses rather than unconstrained Martingale sizing.
Key Trading Rules & Takeaways
- Multiplies volume after consecutive losses.
- Highly dangerous without a hard equity stop.
- Explicitly banned or strictly limited by most prop firm risk engines.
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Frequently Asked Questions
Is Martingale trading allowed in prop firm challenges?
Most prop firms prohibit unhedged Martingale scaling because it breaches maximum total and daily drawdown limits.