Trading Hours will increases from 3:30 PM to 5 PM for equity market and for derivative it will extend till 11:55 PM. NSE talks with SEBI to extend trading hour timing.
Currently indian market opens at 9 AM and closes at 3:30 PM. For a long time, talks were going on to increase the timing of the stock market. Yesterday NSE has sent a proposal to SEBI.
After getting the approval, traders will be able to trade till 05:00 PM. It is expected that very soon the market hours will be extended till 05:00 pm.
From Which Date Trading Hours Will Extend ?
Currently their is no official date for extended trading hours but it will take approx 6 months to implement.
SEBI Extend Trading Time In Case Error Occurs
Trading Hours will extend in case any data breach or technical glitch occurs from exchanges. Whenever NSE and BSE servers down then their is extra time for investors and traders to complete their transactions.
Investors and traders will get the time to complete their deals and transactions, sources say. Trading duration will be extended if trading is not operational 1.15 hours before normal closing.

So, sources say that if the system is not operational by 2:15 PM, then the market will remain open till 5PM. By 2:15 pm, the exchange will publicly announce that trading window has been increased by 1:30 hours.
Exchanges will have to make the announcement regarding extension of trading hours from their public platforms.
Negative Effects of Trading Hours Extends
Health Issue will occurs in traders because they need to sit in front of screens for trading. Health issue like eyes problem, back pain, etc.
Loss makers will increase because people can’t stop to control their urge to take trade. SEBI post shoking report in this report only 10 percent people make money but after extending trading hours this number will increases.
Risk of intraday traders will increases because market now open 8 hours any negative news will impact intraday traders.
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