• Anthropic’s claim that AI can quickly refactor COBOL rattles IBM investors Investors reacted to Anthropic’s assertion that Claude Code could streamline legacy COBOL modernization, raising concerns about pressure on IBM’s high‑margin mainframe services despite longstanding competition in the space. • Anthropic’s assertion that its agentic coding tool Claude Code can rapidly refactor legacy COBOL code has unsettled IBM investors, triggering a sell-off in shares, which resulted in the stock registering a 13% drop on Monday - its biggest single-day drop since October 2000. • The assertion came in the form of a blog post from Anthropic that suggested that AI could take away the cost and complexity associated with modernizing a mainframe. • “AI excels at streamlining the tasks that once made COBOL modernization cost-prohibitive. • With it, your team can focus on strategy, risk assessment, and business logic while AI automates the code analysis and implementation,” the company wrote. • Investors were concerned that Claude Code would erode the value of IBM’s strong and growing infrastructure services and consulting business, which depends on high-margin COBOL modernization on mainframes.
Article Summaries:
- Investors reacted to Anthropic’s assertion that Claude Code could streamline legacy COBOL modernization, raising concerns about pressure on IBM’s high‑margin mainframe services despite longstanding competition in the space. Credit: JuliusKielaitis / Shutterstock Anthropic’s assertion that its agentic coding tool Claude Code can rapidly refactor legacy COBOL code has unsettled IBM investors, triggering a sell-off in shares, which resulted in the stock registering a 13% drop on Monday - its biggest single-day drop since October 2000. The assertion came in the form of a blog post from Anthropic t
Sources:
- https://www.cio.com/article/4137185/anthropics-claim-that-ai-can-quickly-refactor-cobol-rattles-ibm-investors.html (Latest source article published: 2026-02-25 10:52 UTC)