London Stock Exchange Group (LSEG) Share Price, News and Forecast: OpenAI ChatGPT Data Deal, Buybacks and Post‑Trade Strategy in Focus (13 December 2025)
London, 13 December 2025 — London Stock Exchange Group plc (LON: LSEG) is ending the week with investors juggling two big ideas at once: (1) LSEG as an “AI-era” data and analytics tollbooth, and (2) LSEG as a disciplined capital-return story that keeps leaning on buybacks while tightening its grip on post-trade economics. Because today is Saturday, UK markets are closed; the latest available session was Friday, 12 December 2025. LSEG shares closed at 8,464p, up 0.81% on the day, after trading around the mid‑8,000p range in recent sessions. Investing.com+1 Below is what’s driving the conversation around LSEG stock as