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Is London Stock Exchange Group (LSE:LSEG) Fairly Valued As Octus Deal Talks Raise The Stakes?

Simply Wall St·10/14/2026 04:43:48
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London Stock Exchange Group (LSE:LSEG) has been in focus after reports it is in talks to buy Octus, a US private market data provider, in a potential US$3.5b deal.

Recent price action has been choppy, with the share price down 4.68% over the past day and 8% over 90 days. However, London Stock Exchange Group still shows a positive 5 year total shareholder return of 11.07%, indicating longer term resilience despite near term volatility.

Scan a curated pool of data and analytics focused businesses that, like London Stock Exchange Group, are trying to turn information into pricing power by starting with the 5 high quality undiscovered gems.

London Stock Exchange Group looks like a high quality data and markets platform, yet the share price has slipped on the Octus headlines. Is this a strong franchise offered at a fair tag, or already fully charged?

Most Popular Narrative: 29% Undervalued

Analysts who follow London Stock Exchange Group see a fair value of about £118.04 against a last close of £83.50, which points to a sizeable valuation gap that hinges on how well the business scales its data and analytics engine.

The accelerated rollout of new AI-driven analytics tools, the integration of Workspace with Microsoft Teams and Office, and the transition to cloud-based and usage-based data delivery are cited as factors that position LSEG to monetize the ongoing increase in demand for real-time data, advanced analytics, and digital workflows. This is described as supporting recurring revenue acceleration and operating leverage. Ongoing expansion of global data sets, such as company fundamentals and private markets, coupled with strategic partnerships (UBS, StepStone, Microsoft), is also described as strengthening LSEG's international footprint and capturing rising cross-border investment flows, with the aim of driving subscription revenue and diversifying growth.

See why 54 investors see London Stock Exchange Group as 29% undervalued.

Result: Fair Value of £118.04 (UNDERVALUED)

Still, the bullish case for London Stock Exchange Group collides with real pressure on data pricing and the risk that DeFi platforms gradually pull liquidity away.

Find out about the key risks to this London Stock Exchange Group narrative.

Another View: What Multiples Say About London Stock Exchange Group

The 29% upside story on fair value contrasts with a very different signal when you look at simple earnings multiples. London Stock Exchange Group trades on a P/E of 28.4x, compared with a fair ratio of 21.3x, the UK Capital Markets average of 12.8x and a peer average of 12.4x.

This gap means you are paying a much richer price tag for each pound of earnings than both the wider sector and the level suggested by the fair ratio. The key question is whether the growth and data mix at London Stock Exchange Group justify keeping that premium, or whether the multiple has run ahead of itself.

See what the numbers say about this price — find out in our valuation breakdown.

LSE:LSEG P/E Ratio as at Oct 2026
LSE:LSEG P/E Ratio as at Oct 2026

Next Steps

Mixed messages on value and risk often create the most interesting setups, so look through the data yourself, weigh the trade offs, and test whether the current price really lines up with your expectations before relying on any headline view about London Stock Exchange Group's potential 3 key rewards and 1 important warning sign.

Looking for more investment ideas beyond London Stock Exchange Group?

If London Stock Exchange Group has sharpened your focus on quality, broaden your watchlist now so you are not relying on a single story.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.