2. These circuit filters are determined by stock exchanges to stop any unduly rising or falling of a stock price.
3. These circuit filters are numeric percent limits set on individual scripts.
4. National Stock Exchange of India (NSE) has circuit filters in 5 categories including 2%, 5%, 10%, 20% and no circuit filter. These circuit filters have been determined according to the volatility experienced by the stock as per previous experience.
5. Circuit filter works both ways which means that if circuit set for equity is 10%, stock price cannot move further +10% to lower then -10%.
6. Stock exchange can change the circuit filter for a stock every day and thus stock keeps moving between one circuit filter categories to other based on previous day’s closing price.
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