NextFin news, India's securities market regulator announced on August 22, 2025, in India, that it will introduce a closing auction session (CAS) to determine share prices, with the first application targeting derivatives stocks. This move aims to improve the price discovery process in the Indian stock market.
The Securities and Exchange Board of India (SEBI), the country's market regulator, proposed that the CAS mechanism be implemented initially for derivatives stocks before potentially expanding to other segments. The closing auction session is designed to establish a fair and transparent closing price for shares by aggregating orders at the end of the trading day.
The announcement was made in Mumbai, the financial hub of India, where the major stock exchanges, including the National Stock Exchange (NSE) and Bombay Stock Exchange (BSE), operate. The regulator's decision follows consultations with market participants and aims to align Indian market practices with global standards.
According to SEBI, the closing auction session will help reduce volatility and manipulation risks during the closing price determination, providing a more accurate reflection of market demand and supply for derivatives stocks. This is expected to benefit investors by enhancing market integrity and transparency.
The regulator's proposal was reported by Reuters on August 22, 2025, citing official statements from SEBI representatives. The implementation timeline and detailed operational guidelines for the closing auction session will be communicated to market participants in due course.
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