NewMarket (NEU) is in focus after reporting second quarter and first half 2026 results, along with progress on its share repurchase program, giving investors fresh financial data and capital allocation signals to assess the stock.

NewMarket's recent earnings and buyback update have arrived alongside a sharp shift in momentum, with a 10.08% 1 day share price return, a 29.62% 90 day share price return, and a 5 year total shareholder return of 201.19%.

If NewMarket’s move has you thinking about what else could be on your radar, this is a good time to scan the market for 19 top founder-led companies

After NewMarket’s sharp run and fresh earnings, the debate turns to what you are actually paying for today. Is most of the upside already reflected in the current price, or does the valuation still leave meaningful room ahead?

Price-to-Earnings of 19.5x: Is it justified?

NewMarket is screening as undervalued on several metrics, with the SWS DCF model estimating a fair value of $1,522.29 per share versus the last close of $867.02, and a P/E of 19.5x that sits well below both peers and the broader US Chemicals industry.

The SWS DCF model estimates a company’s fair value by projecting future cash flows and discounting them back to today using a required rate of return. This approach concentrates on the cash the business is expected to generate rather than short term market sentiment.

For NewMarket, that kind of cash flow based lens can matter, because the company already has an established earnings base and a long operating history in petroleum additives. In this context, the model is effectively asking what a rational buyer might pay today for those future cash streams given current profitability, sector cyclicality and the company’s balance sheet profile.

Look into how the valuation stacks up in more detail with the SWS DCF model and see how the inputs shape that $1,522.29 figure.Look into how the SWS DCF model arrives at its fair value.

On earnings, NewMarket trades on a P/E of 19.5x. That is well below the peer average of 34.8x highlighted in the data and below the US Chemicals industry average of 25.2x. For a stock that has outperformed both the US market and its sector over the past year and has grown earnings by 17.5% per year over the past 5 years, that gap is meaningful context for anyone judging what is already baked into today’s price.

A P/E ratio expresses how much investors are currently paying for each dollar of earnings. In sectors like chemicals where capital intensity and profitability can vary widely, the P/E provides a simple way to compare how the market is valuing earnings streams across different companies.

Given NewMarket’s P/E sits well below both direct peers and the broader Chemicals industry, the market is currently attaching a lower price tag to its earnings than to those of many competitors. If an investor believes NewMarket’s earnings quality, 23.7% return on equity and long term track record justify something closer to the peer or industry average, that differential becomes a key part of the investment debate.

Result: Price-to-earnings of 19.5x (UNDERVALUED)

See what the numbers say about whether this lower P/E is warranted and how the valuation story could evolve from here.See what the numbers say about this price — find out in our valuation breakdown.

However, NewMarket’s story also carries risks, including cyclicality in end markets for petroleum additives and any unexpected pressure on profitability from input costs or regulation.

Another View on NewMarket’s Valuation

The first look at NewMarket relied on the P/E gap versus peers. A second angle points back to the SWS DCF model, which indicates a fair value of $1,522.29 per share compared with a market price of $867.02. That suggests NewMarket is trading at a large discount. The key question is whether the cash flow assumptions behind that gap feel realistic to you.

You can review how those assumptions are built and see each step in the cash flow model for NewMarket.Look into how the SWS DCF model arrives at its fair value.

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out NewMarket for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover 56 high quality undervalued stocks. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Next Steps

With both risks and rewards in play for NewMarket, this is a moment to look closely at the data and decide quickly where you stand. To weigh up both sides of the story in one place, review the 2 key rewards and 1 important warning sign.

Looking for more investment ideas beyond NewMarket?

If NewMarket has sharpened your focus, do not stop here. Cast a wider net and let data driven screens surface opportunities you might otherwise miss.

• Spot potential turnaround plays early by scanning 21 elite penny stocks with strong financials that already show stronger financial footing than many expect.
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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.