The National Stock Exchange (NSE) on April 30, 2026, notified regarding the Interactive Connectivity Parameters – Consolidated Circular.
The following has been stated:
• This Consolidated Circular compiles all connectivity-related instructions issued up to March 31, 2026 and replaces the earlier circular dated April 24, 2025. It standardizes technical requirements for members connecting to the Exchange systems.
• The circular provides detailed connectivity parameters (IP addresses, ports, subnet ranges) for all segments—Commodity Derivatives, Futures & Options, Capital Market (Equities) Trade, Currency Derivatives, Securities Lending & Borrowing Scheme, and Emerge, and Member Service Department—along with updated CA certificate usage (valid till July 5, 2026). It also introduces enhanced ports supporting new encryption protocols (without MD5) and immediate acknowledgment features.
• It includes specific configurations for Trade Drop Copy and New Order & Trade Drop Copy facilities, ensuring proper receipt of order and trade data.
• All parameters are mandatory for both live and mock (including BCP) trading sessions. Members shall strictly follow all Exchange instructions and remain compliant with ongoing updates, failing which disciplinary action may be taken.
• The circular clarifies that no previous instructions are withdrawn; however, even if rescinded in future, past actions, rights, obligations, and penalties remain valid.
[Notification no. - NSE/MSD/73993]
