The United Arab Emirates recently left the Organization of the Petroleum Exporting Countries, seven years after Qatar walked away from the same institution. Two Gulf countries have now departed the cartel that coordinated their oil politics for nearly six decades.

The question worth asking is not what this means for OPEC, which will continue in some form. It is whether these twin exits, read alongside the quieter recalibrations underway in Riyadh, Saudi Arabia, tell us something about where Gulf oil politics are heading, and what kind of regional order is taking shape behind the daily news of war, ceasefire and energy disruption.

The two departures were driven by different logics, but they point in the same direction. Qatar's 2019 exit was the move of a state that had become peripheral to OPEC's core business. Doha's future was already in liquefied natural gas, where it was a global leader and where OPEC quotas had no relevance. Leaving was a strategic refocusing rather than a rupture.

The UAE's exit is structurally different. Abu Dhabi was OPEC's third-largest producer, with spare capacity that gave the cartel credibility in moments of supply shock. Its departure represents the loss of a central pillar.

What the two exits share is the underlying judgment that the institution no longer fits the national strategy.

The proximate trigger for the UAE move is well understood. Abu Dhabi has invested heavily in expanding its production capacity, now at roughly 4.8 million barrels per day, with ambitions of 5 million by 2027, while OPEC quotas held its actual output well below that ceiling. The frustration was real and longstanding.

But the timing carries its own meaning. Choosing to leave during the Iran war, when Gulf energy infrastructure has been under sustained attack and the Strait of Hormuz has been intermittently impassable, signals a state preparing for the next phase of regional politics on its own terms.

The Saudi-Emirati dimension is where the structural shift becomes visible. Riyadh has carried the political cost of OPEC+production discipline for years, defending prices through cuts that constrained its own revenue and demanded coordination with Moscow. The UAE's exit means Saudi Arabia now carries that burden alone with Russia. The Emirati energy minister was at pains to insist the decision had nothing to do with Riyadh, that this was about national strategy and not about brothers within the group. That kind of careful denial usually confirms the underlying pressure. The two states will continue to coordinate where their interests align, but they are diverging under shared regional constraint, their interests still overlapping while the institutional architecture that bound them together gives way.

Read at the level of the regional order, what is happening in the Gulf is neither collapse nor consolidation. It is the gradual emergence of an arrangement in which states pursue independent national strategies under shared geographic and economic constraints, navigating their relationships with each other relationally rather than coordinating through inherited institutions.

OPEC was the central coordinating body of Gulf oil politics for nearly six decades. Its hollowing out reflects something larger: the leading Gulf producers no longer see institutional coordination as the right vehicle for their full range of interests, even when, as in Saudi Arabia's case, formal membership continues. The age of regional cartels and bloc discipline is giving way to something looser and more flexible, in which sovereignty is exercised through bilateral arrangements, parallel benchmarks and selective participation in overlapping platforms. The Iron Dome antimissile battery deployed to Abu Dhabi during the Iran war and the recent OPEC exit are different expressions of the same logic. The Gulf is choosing flexibility over commitment, and capability over institution.

The institutions inherited from the 20th century, with OPEC chief among them, were built for a world in which oil-producing states needed coordination to manage their relationship with consumer markets and with the dollar system that priced their commodity. The Gulf states of 2026 are operating in a different world, one in which their strategic flexibility is more valuable than their institutional discipline, and in which their counterparties in Asia have built the financial and technical infrastructure to receive that flexibility.

The exits of Qatar in 2019 and the UAE in 2026 mark the visible surface of this transition. Whether others follow, and how the residual coordinating function of the cartel gets reconstituted, are the open questions of the next decade. What is no longer in question is the direction. The leading Gulf producers are moving away from the architecture of the 20th century, some by leaving its institutions, others by working around them while remaining inside.

The author is a professor at the Centre for West Asian Studies at Jamia Millia Islamia in New Delhi.

The views do not necessarily reflect those of China Daily.