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TMX Group (TSX:X) Stock May Be Overvalued As Its 113% Run Continues

TMX Group has delivered a strong total return over the past several years, which leaves investors asking whether the current share price lines up with what the company is earning today. With the stock recently closing at $51.70, the key issue is how that market value squares with its underlying profit power.

  • Over the past 5 years, TMX Group has returned 112.5%, which puts a lot of past gains on the line if its earnings do not fully support today's valuation.

  • Recent commentary from TMX Group's finance chief about a robust IPO pipeline and efforts to attract more listings may support expectations for future trading and listing related income, which feeds directly into how much investors are willing to pay for each dollar of earnings.

  • The analysts covering TMX Group have run their own numbers. See what analysts think TMX Group's shares could be worth .

The stock's next move may depend on whether TMX Group's current earnings justify the price investors are paying today.

If you want more ideas built around earnings power and price, a focused screen of 7 high quality undervalued stocks can be a useful next step in your research.

Has TMX Group Run Too Far on Earnings?

P/E suits TMX Group because earnings remain a central yardstick for exchange operators that generate steady profit. At about 23.6x earnings, TMX Group trades well above the broader Capital Markets industry average of roughly 6.9x and above its peer group near 16.9x, so you are paying a richer price for each dollar of profit than for many comparable businesses.

The fair P/E level implied by the valuation work, which factors in TMX Group's profitability profile, scale and risk, sits below the current 23.6x figure. On this framework the stock screens as overvalued. Because management is discussing a robust IPO pipeline and more listings activity, the market seems willing to attach a premium multiple, but that optimism is already embedded in the current price. Explore the numbers behind TMX Group's P/E valuation .

TSX:X P/E Ratio as at Oct 2026
TSX:X P/E Ratio as at Oct 2026

The TMX Group Narrative: What Would Justify Today's Price?

Narratives for TMX Group pick up where the valuation puzzle leaves off by spelling out which paths for growth, profitability and earnings would need to play out for the stock to look meaningfully cheaper or more expensive than it does today. Each scenario links its number to a clear view on how TMX Group's revenue mix, margins and risk profile could evolve, giving you a reference point you can revisit as new information comes through.

Community views on TMX Group are split between those who see more upside in the current setup and those who think the story is largely priced in.

Bull case: 20% undervalued

"The accelerating expansion of TMX's Global Insights and Data Analytics division, including double-digit growth in recurring revenue segments like Trayport and VettaFi, is increasing high-margin, predictable income streams..."

Discover why this Narrative puts TMX Group at 20% undervalued .

Bear case: roughly fairly valued

"TMX Group is a stable, high-quality compounder with dependable cash flows, a wide moat, and disciplined management..."

Explore why this Narrative puts TMX Group at roughly fairly valued .

One more angle on TMX Group that could change how you see it

Valuation work tells you what TMX Group looks like today, but the analyst road map for where earnings and the business profile may be a few years out offers a different lens worth checking. Explore where analysts expect TMX Group to be in a few years .

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.

Companies discussed in this article include X.TO .

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com

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