4 IPOs Closing Today! Which IPO Has the Highest GMP?

Today, October 19, 2026, is an important day for IPO investors, as five IPOs are scheduled to close their subscription windows.

First, let's talk about the Tonbo Imaging India IPO. Its price band is ₹665 to ₹700, and its grey market premium (GMP) is reportedly around ₹500 to ₹515.

The second IPO is Bonfiglioli Transmissions, with a price band of ₹558 to ₹586. Its GMP is reportedly around ₹130 to ₹140.

The third IPO is Sahajanand Medical Technologies. Its price band is ₹327 to ₹344, and its GMP is reported to be between ₹25 and ₹43 across different trackers.

The fourth IPO is Zetwerk Manufacturing Business. Its price band is ₹143 to ₹151, and its GMP is reportedly around ₹5 to ₹14.

Based on the reported GMP figures, Tonbo Imaging appears to be leading the pack.

However, remember that GMP is unofficial and does not guarantee the actual listing price or listing gains.