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Circuit Breaker
Market Structure
Was es bedeutet
A market-wide rule that pauses all trading if a major index falls a set amount in a day, to let traders calm down. Different levels trigger longer pauses.
Beispiel
In the US, if the S&P 500 drops 7% before 3:25 p.m., trading halts for 15 minutes (Level 1). A 13% drop triggers another 15-minute halt; a 20% drop ends trading for the day.
Der häufigste Anfängerfehler
Beginners expect their stop-loss to protect them during a circuit-breaker halt. It cannot -- once trading resumes, price may gap straight through your stop to a much worse fill.
Verwandte Begriffe
- Trading Halt — A pause in trading on a specific stock, usually triggered by pending news or a sudden larg…
- Volatility — How much and how fast an asset price swings. High volatility means large price moves in sh…