Market volatility, Circuit breakers, and Trading halts

Created by Bill Nelson, Modified on Fri, 16 Jun, 2023 at 2:12 PM by Bill Nelson

What is a volatile Market? 


Volatility is often associated with big swings in either direction. For example, when the stock market rises and falls more than one percent over a sustained period of time, it is called a volatile market. A higher volatility means that a security's value can potentially be spread out over a larger range of values. This means that the price of the security can change dramatically over a short time period in either direction. A lower volatility means that a security's value does not fluctuate dramatically, and tends to be more steady. 


What is a Circuit Breaker?


The term "circuit breaker refers" to an emergency-use regulatory measure that temporarily halts trading. Circuit breakers attempt to curb panic-selling and can also be triggered on the way up with manic-buying. Circuit breakers function automatically by stopping trading when prices hit predefined levels.


What is a Trading halt?


A trading halt is a brief stoppage in trading for a particular security or securities. Trading halts are typically applied ahead of a news announcement, to correct an order imbalance, or as a result of a large and abrupt change in share price. 

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