ONEOK stock has more than doubled over the past five years, yet recent share price softness and a mixed valuation score leave investors weighing whether the current level still reflects an attractive entry point or something closer to fair value.

• ONEOK has returned 115.9% over the last five years, which puts current buyers in the position of assessing whether most of the easy gains are already behind the stock.
• Recent earnings strength and expanded pipeline capacity can support expectations for future cash generation, while any slowdown in volumes or pressure on margins may challenge the current earnings multiple.
• The broader checks show a mixed picture rather than a clear bargain or clear overvaluation, with ONEOK screening as undervalued on 4 of 6 valuation tests on valuation metrics.

The stock's next move may depend on whether that mixed valuation profile is still generous compared with ONEOK's underlying earnings power or whether the recent pullback has already reset expectations enough.

Is ONEOK a Bargain on Earnings?

The P/E ratio is a useful starting point for ONEOK because earnings are a key driver for pipeline and midstream businesses that invest heavily up front and then focus on steady profit generation.

ONEOK trades on a P/E of about 14.9x, which sits slightly above the Oil and Gas industry average of roughly 13.1x but below the peer group average of about 17.7x. On the more tailored fair P/E that adjusts for factors such as the company’s risk profile and business mix, ONEOK screens on a ratio of about 22.1x, which is materially higher than where the stock trades today. That gap indicates the market price may not fully reflect the earnings level that the model implies could be supported by the business.

Because ONEOK recently reported higher net income and raised guidance for 2026, the current discount to the fair P/E level is notable for investors who place emphasis on earnings-based metrics.

On the P/E multiple, ONEOK stock currently appears undervalued relative to what this framework suggests would be a fair earnings-based price.

The ONEOK Narrative: What Would Justify Today's Price?

For ONEOK, that valuation puzzle naturally leads to the question of what would need to happen next for earnings, margins and growth. Simply Wall St Narratives on ONEOK set out those possible paths in plain terms. Rather than focusing on a single multiple or one model output, each narrative lays out the assumptions that sit behind its fair value view so you can compare them with the company’s reported results over time on the Community page.

One of the top community narratives on ONEOK: 19% undervalued

"ONEOK's direct exposure to surging U.S. LNG export demand and growing petrochemical sector consumption, especially through Gulf Coast connectivity and new export terminals, is cited by some analysts as a key factor supporting expectations for multi-year increases in pipeline and export volumes."

Do you think there's more to the story for ONEOK? Head over to our Community to see what others are saying!

The Bottom Line

ONEOK screens as undervalued on several earnings based checks, which suggests the current P/E multiple is not especially demanding for this kind of midstream business. The broader valuation picture is mixed rather than a clear green light, so the stock does not stand out as a simple bargain or an obvious stretch.

From here, the key question is whether ONEOK can sustain the earnings power that recent results and guidance point to without margin pressure or softer volumes eroding that case. How investors answer that earnings durability question is likely to decide whether today’s discount looks like opportunity or a fair reflection of the risks.

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.