HDFC Bank, India’s largest private sector lender by market value, experienced a technical price adjustment on Tuesday as its shares commenced trading ex-bonus on the NSE and BSE, following the implementation of its 1:1 bonus share distribution.The bank’s decision to issue one additional equity share for every existing share was intended to enhance trading liquidity and increase participation from retail investors.Following the adjustment to account for the increased share count, HDFC Bank’s shares opened 62 per cent below their previous closing value, trading between Rs 982.20-986.30. This reduction reflects the mathematical impact of the bonus ratio, not a decrease in the bank’s fundamental worth, reported Economic Times.It is important to understand that this corporate action maintains the same market capitalisation and shareholder value. The adjustment in price corresponds directly to the increase in share quantity.Significance of bonus sharesBonus share issuances typically indicate management’s positive outlook on future earnings potential. For HDFC Bank, this represents an ongoing strategy to ensure its shares remain accessible to a broader investment community.The bank established August 26, 2025 as the record date for bonus share eligibility. Shareholders on record as of this date qualify to receive one additional fully paid-up equity share for each share held.For investors operating under the T+1 settlement system, share purchases needed to be completed by August 25 to ensure registration by the record date.