On April 20, 2023, shares of the Indian Energy Exchange (IEX) fell by nearly 8% after the Central Electricity Regulatory Commission (CERC) released a draft notification regarding market coupling reforms. Market coupling aims to unify electricity prices across various exchanges, which could significantly alter the trading landscape in India. Currently, IEX holds a dominant 85% market share in electricity trading, particularly in the day-ahead market (DAM) and real-time market (RTM). The proposed framework would centralize pricing, reducing IEX's competitive edge and potentially eroding its market share. While CERC argues that these reforms would enhance market efficiency and transparency, analysts caution that they could compress trading volumes and margins for dominant players like IEX. The ongoing consultations by CERC indicate that uncertainty remains for exchange operators and investors as the implementation date approaches.