Market Foundations ·
Beginner⏱ 10 min readCircuit Breaker
What you will learn
What a circuit breaker is and why it was created
The three trigger levels and what happens at each
How the circuit breaker was used in 1997 and 2020
The circuit breaker is the stock market's emergency off-switch. Unlike daily stop limits on individual stocks, it shuts down the entire market when prices fall too far, too fast.