Research memoLondon Stock Exchange Group plc (LSEG.L) · LSEMemo of October 13, 2026

LSEG stock forecast

LSEG's weighted forecast is 125.96 in October 2027, implying a 1% return including dividends. It hinges on paid AI adoption, renewals, cash generation and disciplined capital allocation.

8,350.00
Share price today, GBp
139.48 (+1%)
Weighted scenario, October 2029
3.4%
Real free cash flow yield
17.4x
P/E, next 12 months
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Every number traced to LSEG's filings8 chapters · 17,065 words180 sources cited

Where could LSEG's shares be in each forecast year?

The forecast's weighted outcome is modest, but its scenario range is wide. At October 2027, the weighted figure is 125.96, implying a 1% return including dividends. At October 2028, it is 132.83, again implying 1%. At October 2029, it is 139.48, also implying 1%.

Share price in October 2029: our three scenarios (GBp)Today 83.57448.16Bear · 30% · -5%14706.95Base · 55% · +83%24166.78Bull · 15% · +196%
What the shares could be worthGBp per LSEG.L share at each date; in brackets the return since today's 8350.00, dividends included
CaseProbabilityOctober 2027October 2028October 2029
Bear30%9430.69 (+15%)8510.14 (+6%)7448.16 (-5%)
Base55%13243.79 (+61%)14002.64 (+72%)14706.95 (+83%)
Bull15%16552.39 (+100%)20189.28 (+146%)24166.78 (+196%)
Weighted100%125.96 (+1%)132.83 (+1%)139.48 (+1%)

What has to go right, and what could go wrong for LSEG?

Bear earnings fall to £2,228m initially and £2,215m in the following year. They reach £2,173m at the final date. The case reflects 92.8% retention and AI engagement that fails to become paid expansion. Bull earnings reach £2,575m first and £2,904m next, before reaching £3,224m. That requires Microsoft distribution, licensed AI products and operating leverage to generate paid growth.

How much cash does LSEG really make?

In 2025, cash from operations was £3,622 million. After capital spending and lease payments, free cash flow was £1,555 million. This measures cash left after operating needs and the investments counted in the company’s definition.

Clearing collateral is different again. Cash collateral supports clearing obligations and is not a reserve for shareholders. Finally, stock-based pay reduced analytical free cash flow by £176 million because it dilutes existing owners even without an immediate cash payment.

Follow the money: real free cash flow£ millions
20252024202320222021
Cash from operations3,6223,3962,9422,7002,492
− Capital spending1,9061,0081,084966632
− Lease payments161156156150118
= Free cash flow1,5552,2321,7021,5841,742
− Stock pay176162143158141
= Real free cash flow1,3792,0701,5591,4261,601

What this means. The company's own free cash flow is higher than ours because it leaves out some spending, especially the £921 million SwapClear software purchase, while our count includes it.

What does an investor pay for LSEG today?

A price-to-earnings ratio, or P/E, compares the share price with earnings per share. LSEG’s trailing P/E is 30.0x and its forward P/E is 17.4x, but the comparison is clouded by acquisition accounting. Amortisation spreads the cost of acquired customer relationships and databases across several years. In H1 2026, reported EPS was 163.8p while adjusted EPS was 244.9p. The apparent gap between the multiples may therefore reflect different earnings definitions rather than genuine profit growth.

What an investor pays today£ millions; share price and per share in pence
Today (Oct 13, 2026)
Share price8,350.00
Market value (calculated)40,214.942597
Enterprise value (calculated)48,869.942597
P/E, last 12 months (calculated)30.0x
P/E, next 12 months (calculated)17.4x
Real free cash flow yield (calculated)3.4%
From the full memo · 1. The business

London Stock Exchange Group (LSEG) is a financial-infrastructure company: it sells information, access and systems that other firms use to make and settle financial decisions. A dollar reaches it through subscriptions, licences, trading and clearing fees, then leaves through data, people, technology and the cost of keeping those systems trustworthy.

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