New Delhi, July 24 -- The stock of Indian Energy Exchange (IEX) tumbled as much as 15% on Thursday, July 24, after the country's power regulator, Central Electricity Regulatory Commission (CERC), announced that it would roll out market coupling from next year onwards. IEX stock also remains in focus ahead of the announcement of its Q1 results today.

IEX share price first hit the 10% lower price band of Rs.169.10 on the BSE. But it soon extended losses and tanked 15% to Rs.159.70.

CERC, in an order late last evening, said it would implement the coupling of the day-ahead market (DAM) of the power exchanges in a round-robin mode by January 2026.

Market coupling is an economic model used in energy markets to create a single, uniform price ...