NSE and BSE to Test Disaster Preparedness with Special Trading Session on May 18

In a proactive move to enhance their operational resilience, the National Stock Exchange (NSE) and Bombay Stock Exchange (BSE) announced a special trading session scheduled for May 18. This session is designed to test the exchanges' readiness to manage significant disruptions by switching from the primary site to the disaster recovery (DR) site during live trading.

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The exchanges have planned this exercise in two distinct phases. The morning session will run from 9:15 am to 10:00 am, operating from the primary site. This will be followed by a switch, with trading resuming from the DR site for the second session between 11:30 am and 12:30 pm. This initiative underscores the importance of robust disaster recovery mechanisms in maintaining market stability and investor confidence.

All traded securities, including those underpinning derivative products, will be subject to a maximum price band of 5%. Securities that are already within a 2% or lower price band will remain within these limits. This decision reflects a careful balance between ensuring market liquidity and preventing excessive volatility during the test.

This isn't the first time such an exercise has been conducted. Both NSE and BSE previously held similar trading sessions on March 2, demonstrating their commitment to continuous improvement in operational resilience. These drills are part of a broader strategy, developed in consultation with the Securities and Exchange Board of India (Sebi) and its technical advisory committee. The goal is to ensure that market infrastructure institutions like exchanges can swiftly recover from unforeseen disruptions, thereby safeguarding the market's integrity and protecting investors.

Switching to a DR site is a critical component of an exchange's business continuity plan, allowing it to maintain operations despite major technical failures or other disruptions at the primary site. By conducting these sessions, NSE and BSE aim to validate their preparedness and ability to restore operations within a stipulated timeframe, ensuring minimal impact on market participants.

The initiative by NSE and BSE aligns with global best practices in financial market infrastructure resilience, highlighting their proactive stance in addressing potential operational vulnerabilities. As markets grow more interconnected and complex, such preparedness exercises are vital for maintaining trust and stability in India's financial system.