A circuit breaker protects the account rather than any single trade. Common breakers stop opening new positions when equity falls a set percent from its peak (max drawdown), when the day's loss exceeds a limit (resetting the next day), or when too many positions are already open (max concurrent).
The purpose is to stop a bad run from compounding into a catastrophic one — to force a pause when the strategy is clearly out of sync with the market. Existing positions are typically managed by their own stops; the breaker governs new risk.
Ejemplo
A daily-loss breaker set at 5% halts all new entries after the account is down 5% on the day, then re-arms at the next session.
Cómo Noon Barbari usa Circuit Breaker
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Configure safety in noonbarbari →Términos relacionados
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Maximum drawdown
The deepest peak-to-trough decline observed across the entire equity curve.
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Risk per trade
Dollar amount (or % of equity) you lose if the stop on a single trade hits.
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Position size
How many units of an asset a trade holds — derived from risk budget and stop distance.
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Cooldown Period
A number of bars the strategy must wait after an exit before it may re-enter.