CMPDI IPO GMP In Focus As Subscription For Coal India Arm’s Issue Begins — What Investors Should Know by NDTV Profits | March 20, 2026 1:19 pm | Latest Posts, Market, Trending News The grey market premium for CMPDI IPO peaked at Rs 27 on March 16 but declined to Rs 4.25 by March 20, indicating reduced investor enthusiasm amid broader market uncertainties.