# Circuit Breaker ⎊ Area ⎊ Resource 2

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## What is the Mechanism of Circuit Breaker?

A circuit breaker is an automated mechanism implemented by exchanges to temporarily halt trading in a specific asset or market segment when price movements exceed predefined thresholds. This intervention is designed to mitigate panic selling or buying during periods of extreme volatility. The mechanism provides a cooling-off period, allowing market participants to reassess conditions and prevent cascading liquidations or flash crashes.

## What is the Volatility of Circuit Breaker?

The primary trigger for a circuit breaker is a rapid and significant change in price over a short time frame, indicating high volatility. These thresholds are typically calibrated based on historical volatility metrics and market structure. In cryptocurrency derivatives markets, where volatility is inherently higher, circuit breakers are crucial for maintaining market stability and protecting against sudden, large-scale price dislocations.

## What is the Impact of Circuit Breaker?

The implementation of circuit breakers alters market microstructure by temporarily removing liquidity and halting price discovery. While intended to stabilize markets, these halts can also create challenges for high-frequency traders and arbitrageurs by interrupting automated strategies. The impact on options pricing can be significant, as the temporary suspension of trading affects implied volatility calculations and risk management models.


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## [On-Chain Governance Security](https://term.greeks.live/term/on-chain-governance-security/)

## [Flash Loan Price Manipulation](https://term.greeks.live/term/flash-loan-price-manipulation/)

---

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**Original URL:** https://term.greeks.live/area/circuit-breaker/resource/2/