The Securities and Exchange Board of India (SEBI) has highlighted the introduction of the Closing Auction Session (CAS) as a vital structural reform aimed at significantly boosting the robustness, transparency, and reliability of India’s equity market price discovery. Replacing the former volume-weighted average price method used during the final trading minutes, the newly implemented auction-based framework pools eligible buy and sell orders to determine a single equilibrium closing price. According to regulatory authorities, this transition successfully aligns domestic market practices with international standards, curbing end-of-day price manipulation and facilitating the smoother execution of large institutional orders. Although the initial rollout across securities with active derivatives contracts sparked lively debate and minor cross-exchange pricing gaps as markets adapted to the new mechanism, market experts view the change as a progressive leap. By fostering a fairer and more centralized environment for matching market demand at the close, the framework is expected to solidify benchmark integrity and enhance overall investor confidence across Indian exchanges.
SEBI Hails New Closing Auction Session as a Crucial Milestone for Strengthening India’s Price Discovery Mechanism
