Patterson-UTI Energy stock falls 2.21 percent as oil services weaken

Patterson-UTI Energy stock (ISIN US7034811015) closed at USD 11.17 on Nasdaq on September 22, 2026, down USD 0.25, or 2.21 percent, from the previous close. The move came as energy stocks and oilfield service providers faced pressure while WTI crude oil fell more than 2 percent to a three-week low, according to Barchart on September 22, 2026.

Oil prices set the trading tone

The price reaction was visible against a broad energy backdrop rather than a company-specific earnings release. The September 22 session range was USD 11.12 to USD 11.51, while trading volume reached 5.12 million shares, according to MarketBeat data for that session.

The stock remained above its 52-week low of USD 5.10 but below its 52-week high of USD 13.39. At USD 11.17, the closing price was USD 2.22 below the yearly high and USD 6.07 above the yearly low, leaving the market range as the clearest near-term reference point.

Market value reaches USD 4.59 billion

Patterson-UTI Energy had a market capitalization of USD 4.59 billion and 381.38 million shares outstanding in the latest available market snapshot. The same data set places the company in Energy Equipment and Services and identifies PTEN as a Nasdaq-listed security.

For investors, the combination of a 2.21 percent daily decline and a 52-week range of USD 5.10 to USD 13.39 highlights the sensitivity of the stock to oil prices and service-sector sentiment. The current price sits 16.58 percent below the 52-week high, calculated from the September 22 close and the reported high.

Stock closes at USD 11.17

Patterson-UTI Energy stock closed at USD 11.17 on Nasdaq on September 22, 2026, with a daily change of minus 2.21 percent. Market capitalization was USD 4.59 billion and volume was 5.12 million shares for that trading session.

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