Sensex Today | Stock Market LIVE Updates: Cello World IPO subscribed 13% so far on Day 1. Check GMP and other details The initial public offer (IPO) of Cello World was subscribed 13% so far on the first day of the bidding process. The non-institutional investor (NII) category was booked 25%, while that of retail investors was subscribed 16%. There were no bids from the QIB category yet. Most analysts advised investors to subscribe to the IPO over the company's strong brand identity and diverse product portfolio across different categories.