BSE Mock Trading Session on October 11, 2025, for Multi-Segment Validation

The Bombay Stock Exchange (BSE) will hold a comprehensive mock trading session on October 11, 2025, to validate its trading systems, risk controls, and member readiness across multiple segments. The test will involve Equity, Equity Derivatives, Currency Derivatives, and Commodity Derivatives markets, with no settlement, margin, or pay-in obligations arising from trades executed during the session.

Equity Segment Schedule and Key Features

The Equity segment mock session will test key functionalities such as call auctions, risk-reduction mode, trading halts, and block deals. There will be no new BOLT TWS release for this exercise. Log-in will be available from 08:15-08:45, followed by the Morning Block Deal between 08:45-09:00. 

The Pre-Open order entry runs from 09:00-09:08, with matching till 09:15. Continuous Trading (T+1) will occur from 09:15-12:00 and (T+0) from 09:15-11:30. Special Pre-Open Session (SPOS) includes order entry 09:00-09:45, matching 09:45-10:00, and continuous trading 10:00-12:00. Trade modifications are allowed till 11:45 for T+0 and 12:30 for T+1.

Random stoppages will simulate exceptional conditions in 1 minute during Pre-Open and 10 minutes in SPOS for IPO and re-listed securities.

Equity Derivatives, Currency, and Commodity Derivatives

For the Equity Derivatives segment, members can test functions such as risk-reduction mode and trading halts via ETI APIs and IML systems. Log-in is from 08:15-09:15, continuous trading from 09:15-12:00, and trade modification till 12:15. 

In Currency Derivatives, trading for currency and cross-currency contracts runs from 09:00-12:00 with modification till 12:10. The Commodity Derivatives session follows a similar structure with log-in from 08:15-09:00, trading from 09:00-12:00, and modification till 12:10.

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Feedback Submission and Support

Members are requested to actively participate and share feedback by 14:00 for Equity and Equity Derivatives, and by 15:00 for Commodity Derivatives. For assistance, they may contact BSE Tech Support at 022-22728053 or bse.tech@bseindia.com, and the Help Desk at 022-45720400/600, 022-69158500, or bsehelp@bseindia.com. Relationship Managers are also available for clarification.

Circular References

The detailed notices include: Equity (No. 20251009-27), Equity Derivatives (No. 20251009-28), Currency Derivatives (No. 20251009-30), and Commodity Derivatives (No. 20251009-31), all titled “Mock Trading on Saturday, October 11, 2025.”

Conclusion

BSE’s mock trading session on October 11, 2025, underscores its commitment to ensuring market stability and operational efficiency. By engaging members across all major trading segments, the exchange aims to strengthen system resilience and enhance preparedness for real-time market conditions.

Disclaimer: This blog has been written exclusively for educational purposes. The securities or companies mentioned are only examples and not recommendations. This does not constitute a personal recommendation or investment advice. It does not aim to influence any individual or entity to make investment decisions. Recipients should conduct their own research and assessments to form an independent opinion about investment decisions.

Investments in securities are subject to market risks. Read all related documents carefully before investing.