IBM Shares Plunge Over 10% on Anthropic’s COBOL Modernization Tool Launch
IBM shares fell 10.2%, the steepest single-day decline since 2000, after Anthropic unveiled a COBOL modernization tool promising automated refactoring of legacy mainframe code. The launch threatens IBM’s mainframe software revenue by offering enterprises a lower-cost path to cloud-native migration.
1. Market Reaction
On February 24, IBM shares tumbled 10.2%, marking the largest daily percentage loss since January 2000. The drop erased roughly $15 billion in market value as investors reacted to heightened competition in the legacy systems space.
2. Anthropic’s COBOL Tool Threat
Anthropic introduced a COBOL modernization tool that automatically analyzes and refactors decades-old mainframe code for deployment on cloud platforms. By streamlining migration at a lower cost, the offering directly challenges IBM’s core mainframe software franchise and could sway large enterprise clients away from its platform.