What is the purpose of a circuit breaker in trading?

• A. To temporarily restrict trading and stabilize market fluctuations
• B. To allow traders to take advantage of price mismatches
• C. To enhance liquidity in the market
• D. To increase volatility in asset prices

Answer: (A)

The purpose of a circuit breaker in trading is to temporarily restrict trading and stabilize market fluctuations. Circuit breakers are mechanisms designed to halt trading on an exchange for a set period when prices fall or rise dramatically within a short timeframe. This pause allows time for investors to assess the situation, gather information, and reduce panic selling or buying, which can lead to further volatility. By implementing a circuit breaker, exchanges aim to maintain orderly trading and protect investors from extreme market movements.

The other options describe functions or impacts that do not align with the primary objective of circuit breakers. Allowing traders to take advantage of price mismatches or enhancing liquidity would not be balanced actions in situations of extreme market volatility; rather, they might exacerbate the issue. Similarly, increasing volatility in asset prices runs counter to the purpose of circuit breakers, which is specifically to stabilize the market rather than allow for greater fluctuations.