Shadowfax Technologies IPO Day 1 Update: Subscribed 15%, GMP indicates 6% listing gains. Should you invest? by ET Markets | January 20, 2026 1:12 pm | Indian Stocks, Market, News Shadowfax Technologies’ IPO opened with 15% subscription on Day 1, driven by strong retail interest. Grey market premium suggests a 6% listing gain, though sentiment has cooled. Analysts advise a neutral stance amid premium valuations.