Indian banking stocks witnessed significant differences between their closing prices on the National Stock Exchange (NSE) and the Bombay Stock Exchange (BSE) during Thursday’s closing auction, highlighting continued concerns over liquidity and the functioning of the newly introduced auction mechanism.
IndusInd Bank recorded one of the most notable divergences. The stock closed at ₹1,002.90 on the NSE, while its BSE closing price was ₹970, resulting in a difference of nearly ₹33 per share. The gap was reported to be the widest for the stock in more than two decades.
Similar disparities were observed in AU Small Finance Bank, IDFC First Bank and Federal Bank. The BSE Bankex also experienced considerable volatility during the auction session, falling as much as 3.3% before recovering partially to finish 1.7% lower. The index subsequently gained around 1% at Friday’s close.
The unusual price movements have drawn renewed attention to India’s closing auction framework, introduced on August 3 for more than 200 stocks. Market participants have pointed to thin liquidity, monthly derivatives expiry and differences in price discovery across exchanges as factors that may contribute to short-term price dislocations.
The divergence has also raised questions about the effectiveness of arbitrage opportunities during the auction period, as market participants may have limited visibility into the final closing prices being established independently on the two exchanges.
Regulatory scrutiny has increased alongside these developments. The Securities and Exchange Board of India (SEBI) recently took action against two entities, including a unit of JPMorgan Chase & Co., in connection with alleged price manipulation during the closing-auction process.
The latest price differences have therefore added to the broader market debate over transparency, liquidity, price discovery and safeguards against potential misuse of the closing auction mechanism. CASansaar