Record Set in Henry Hub Natural Gas Futures
CME Group said its Henry Hub natural gas futures reached an open interest record of 1,807,497 contracts on September 1, 2026, surpassing the previous record of 1,801,183 contracts traded on November 8, 2024. Open interest in physically delivered Henry Hub futures typically peaks around November each year, but the exchange said the 2026 buildup accelerated earlier than usual as clients positioned for geopolitical shifts and winter volatility.
Drivers Cited by the Exchange
The company attributed the accelerated build to three overlapping risk factors: a Super El Niño reshaping weather-driven demand, record U.S. LNG output reordering global gas flows, and ongoing Middle East supply uncertainty. "Clients are turning to CME Group's energy futures and leading options markets to manage their risk as a Super El Niño reshapes weather-driven demand, record LNG output reorders global gas flows, and the Middle East creates ongoing supply uncertainty," said Peter Keavey, Global Head of Energy and Environmental Products at CME Group.
First-Half Energy Volumes
CME Group said its energy business recorded a first-half 2026 high, with average daily volume rising 11% to 3.3 million contracts. The exchange framed the volume and open-interest gains as evidence that market participants are leaning on its energy complex, including its options on Henry Hub futures, to hedge across weather and geopolitical scenarios.
Unresolved Question
The September 1, 2026 reading was disclosed in a corporate press release; CME Group did not publish a new open interest figure for the September 2 session or provide a breakdown of which participant categories drove the record. It remains to be seen whether open interest extends its early-2026 trajectory through the traditional November peak, or whether the prior record will be revised as additional positions are reported.
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