Archive · 2 Nov 2025
MCX Suffers Extended Trading Halt, Faces Regulatory Scrutiny
India's main place for trading commodities, called MCX, had a big problem on October 28.
Their computer system for trading stopped working for almost five hours!
This happened because the software wasn't set up to handle lots of people trading at the same time, especially with new information it needed to process.
It was like a store's cash register freezing because too many customers were trying to pay at once.
This is concerning because trading places need to be super reliable and fast.
It’s not the first time this has happened, which makes people worried about losing money unfairly.
MCX has to explain exactly what went wrong to the government's financial watchdog, SEBI.
SEBI will look into it and might even fine MCX, just like they did to another exchange before, to make sure their systems are strong and don't break again.
MCX, India's largest commodity derivatives platform, experienced a trading outage lasting 4 hours and 25 minutes on October 28.
The outage occurred because the trading software's configuration could not handle increased traffic related to reference data.
The incident raises concerns about the reliability of Indian markets and potential financial losses for traders.
MCX is required to submit a detailed root cause analysis and corrective action report to SEBI within 21 days.
SEBI may impose penalties on MCX to ensure the robustness of its trading systems, citing previous similar penalties on other exchanges.
- Who
- MCX (Multi Commodity Exchange), India's largest commodity derivatives platform
- What
- A trading outage that lasted 4 hours and 25 minutes, delaying trading from its scheduled start.
- When
- October 28, with trading resuming at 1:25 p.m.
- Where
- India's largest commodity derivatives platform
- Why
- A limitation in the trading software's configuration for handling reference data (like unique client codes) caused it to fail under increased traffic. The disaster recovery system was also impacted by this software configuration issue.
MCX's Responsibility
Regulatory Enforcement
System Robustness
MCX's Responsibility
MCX's technology team is responsible for failing to ensure adequate capacity in the trading software and should have anticipated increased demand.
Regulatory Enforcement
SEBI needs to examine the issue and may need to impose penalties to ensure MCX's trading system becomes robust, referencing penalties imposed on NSE for similar glitches.
Outage Frequency
MCX's Responsibility
The increasing frequency of MCX trading outages, including a July incident and prior halts in 2023, indicates systemic issues.
Regulatory Enforcement
Penalties, such as a minimum of 10% of average net profit or ₹2 crore, along with personal penalties for MD and CTO, serve as a deterrent for future technical failures.
- Date of Outage
- October 28
- Duration of Outage
- 4 hours and 25 minutes
- Start Time of Trading
- 9 a.m.
- Resumption Time of Trading
- 1:25 p.m.
- Cause of Outage
- Software configuration limitation with reference data (unique client codes)
- Previous Similar Incidents
- July 2025 (over one hour delay), other halts in 2023
- Regulatory Body
- Securities and Exchange Board of India (SEBI)
- Report Deadline to SEBI
- 21 days after the outage