Oil prices ended with full-year losses for the first time since 2015, after a desultory fourth quarter that saw buyers flee the market over growing worries about a supply glut and mixed signals related to renewed U.S. sanctions on Iran.

For the year, U.S. West Texas Intermediate crude (WTI)futures slumped nearly 25 percent, while Brent tumbled more than 19.5 percent.

The market had been on track for solid gains for the year until October, when the United States granted larger-than-expected waivers to importers of Iran’s oil, and as demand in emerging economies started to sag.

That combination dragged down both benchmarks from four-year highs above $76 a barrel and $86 a barrel, respectively, and even a late-year decision by the Organization of the Petroleum Exporting Countries and its allies including Russia, known collectively as OPEC+, to ratchet down output was not enough to restore bullish sentiment.

“We’re flush with oil,” said Phillip Streible, senior market strategist at RJO Futures. “OPEC is out there cutting, but the market isn’t really pricing that in.”

Oil prices fell more than a third this quarter, the steepest quarterly decline since the fourth quarter of 2014.

Crude oil futures posted modest gains on Monday. Brent settled up 59 cents, or 1.1 percent, at $53.80 a barrel, while WTI settled 8 cents higher at $45.41 a barrel.

Analysts have turned bearish on 2019, according to a Reuters poll. A survey of 32 economists and analysts forecast an average Brent price of $69.13 next year, more than $5 below analyst projections a month ago, and compared with an average real price of $71.76 in 2018.

Brent, the global benchmark, rose by almost a third between January and October, to a high of $86.74. That was the highest level since late 2014, the start of a deep market slump amid bulging global oversupply.

Prices rose through most of the year, continuing 2017’s recovery after several years of weak pricing that sent oil-rich economies into tailspins and forced hundreds of U.S. energy companies into bankruptcy. Renewed U.S. sanctions against major producer Iran, as well as healthy economic conditions and concerns about crude supplies, had elevated prices until October.

However, when Washington gave unexpectedly generous sanction waivers to Iran’s biggest oil buyers, concerns about a global oversupply and sluggish economic growth clouded markets.

“OPEC and non-OPEC producers found themselves competing with additional supplies from the U.S. that overwhelmed the market,” said Andy Lipow, president of Lipow Oil Associates in Houston.

OPEC+ opened its taps in autumn as demand reduced global inventories, then reversed course as priced tumbled.

The producers’ group now plans to cut 1.2 million barrels per day (bpd) beginning Jan. 1. It acted as fears a U.S.-China trade war, falling U.S. stock prices and rising U.S. shale output and interest rates would hurt global demand pushed crude lower.

A tweet by U.S. President Donald Trump claiming progress on a possible U.S.-China trade deal pushed crude prices up more than 2 percent in early trading on Monday. But oil lost ground as traders focused on data showing China’s economy slowed further in December, analysts said.

Chinese manufacturing activity declined in December for the first time in more than two years, according to a national purchasing managers’ survey.

The United States, which broke its 1970 peak of 10.04 million bpd in November 2017, surpassed Russia and Saudi Arabia to became the world’s top producer in 2018, hitting an all-time high of more than 11.5 million bpd in October, the U.S. Energy Information Administration said on Monday.

U.S. drillers added about 138 oil rigs in 2018, the second year in a row of boosting the rig count. But North American producers will likely begin to reduce spending on drilling in 2019 as prices fall below break-even levels for new wells in the Permian Basin and the Eagle Ford shale field in Texas, analysts said.

“You could have a meaningful rally,” said John Saucer, vice president of research and analysis at Mobius Risk Group in Houston. “More companies are reducing capital expenditures, and production probably isn’t going to go as high as forecast.”

Still, prices could stagnate for weeks until OPEC’s cuts begin to affect global supplies in mid-January and early February. (Reuters)

•A pump jack operates in the Permian Basin oil production area near Wink, Texas U.S. August 22, 2018. REUTERS/Nick Oxford/File Photo

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