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NewMarket Corp is a holding company that, through its subsidiaries, manufactures and sells petroleum additives used in lubricating oils and fuels to enhance performance. The company operates through two segments: petroleum additives, mainly represented by Afton, where lubricant additives improve the efficiency and durability of base fluids and fuel additives help meet fuel specifications and improve fuel performance, and specialty materials, represented by AMPAC and Calca, including the antiknock compounds business of Ethyl, where primary raw materials include electricity, sodium chlorate, ammonia, chlorine, caustic, and hydrochloric acid, with graphite used in electrolytic cells. The company has operations in North America, Latin America, Asia Pacific, and EMEAI regions.
Newmarket trades on the NYSE stock market under the symbol NEU.
As of September 18, 2026, NEU stock price declined to $883.50 with 16,260 million shares trading.
NEU has a beta of 0.66, meaning it tends to be less sensitive to market movements. NEU has a correlation of 0.05 to the broad based SPY ETF.
NEU has a market cap of $8.13 billion. This is considered a Mid Cap stock.
In the last 3 years, NEU traded as high as $981.66 and as low as $436.90.
The top ETF exchange traded funds that NEU belongs to (by Net Assets): IJH, VTI, VB, AVUV, VBK.
NEU has underperformed the market in the last year with a return of +7.7%, while SPY returned +16.5%. This shows that you would have done better investing in the overall market (through SPY) over the last year than in NEU shares. However, NEU has outperformed the market in the last 3 month and 2 week periods, returning +16.1% and -1.5%, while SPY returned +3.2% and -1.6%, respectively. This indicates NEU has been having a stronger performance recently.
NEU support price is $874.75 and resistance is $903.63 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that NEU shares will trade within this expected range on the day.