IPO listings, share price today: Four companies made their stock market debut on Friday, October 23, 2026, but their listing performances varied sharply. Tonbo Imaging India emerged as the clear winner, with its shares listing at a premium of 66% over the IPO issue price.
Sahajanand Medical Technologies followed with an 8% premium on the NSE, while Zetwerk Manufacturing Business listed at a more modest premium of around 5%. In contrast, Bonfiglioli Transmissions made a flat debut at its issue price.
Tonbo Imaging India led the debut race on both exchanges, opening at ₹1,160 on the NSE and ₹1,162 on the BSE against its issue price of ₹700. This translated into listing gains of 65.71% and 66%, respectively.
According to Ravi Singh chief research officer at Master Capital Service, investors may track quarterly revenue growth, order execution, EBITDA margins, order book development and operating cash flows to assess the company’s long-term growth prospects.
Sahajanand Medical Technologies delivered the second-best debut, opening at ₹371.15 on the NSE, up 7.89% from its issue price of ₹344. On the BSE, the stock opened at ₹368.05, a gain of 6.99%.