Sebi Proposes Unified Price Bands for Multi-Listed Stocks to Enhance Market Efficiency

India's capital markets regulator, the Securities and Exchange Board of India (Sebi), has introduced a proposal to standardize the price band mechanism for equities listed across multiple stock exchanges. The initiative aims to resolve observed disparities in stock prices, particularly in instances where a company's shares are thinly traded on one exchange while actively traded on another. The core of Sebi's proposal involves establishing a common methodology for determining price bands and pre-open auction prices. This standardization seeks to prevent price distortions that can arise from varied closing prices used by different exchanges for subsequent trading sessions. By harmonizing these critical parameters, Sebi intends to improve the efficiency of price discovery mechanisms across the Indian equity market. Currently, discrepancies can lead to situations where a stock might trade at different effective limits on separate exchanges, creating arbitrage opportunities or, more critically, impeding fair price formation. The proposed framework is designed to ensure that a stock's permissible trading range is consistent, regardless of the exchange on which it is being traded. This move is expected to enhance market integrity and reduce fragmentation in price signals for multi-listed securities. The regulator emphasizes that a unified approach will foster greater transparency and investor confidence by ensuring a more level playing field for all market participants. This regulatory intervention reflects Sebi's ongoing efforts to refine market infrastructure and adapt to the complexities of a multi-exchange trading environment, ultimately contributing to a more robust and predictable equity market.