ANALYSIS: US-Iran deal: the reprieve that first enriches Putin

ANALYSIS: US-Iran deal: the reprieve that first enriches Putin

Introduction: a deal signed, some surprising losers

Trump announces, the world reacts

On June 14, 2026, US President Donald Trump posted a terse message on his social media: "The deal with the Islamic Republic of Iran is now done." Hours earlier, Vice President JD Vance had virtually signed a memorandum of understanding (MoU) with Iranian officials in Switzerland, brokered by Pakistan. The Strait of Hormuz was about to reopen. Tankers that had been blocked for months would resume their routes. The world exhaled.

But behind that immediate relief lies a more nuanced — and sometimes counterintuitive — geopolitical analysis. Among the beneficiaries of this deal, the one who stands to come out most enriched in the medium term may be neither Washington nor Tehran: it is Vladimir Putin. That thesis deserves serious examination.

The essential terms of the deal

The preliminary agreement — a 14-point version of which was made public by Tehran — provides for: the reopening of the Strait of Hormuz to international maritime traffic; the gradual release of roughly $12 billion in frozen Iranian assets; a 60-day US sanctions exemption on Iranian oil exports; and the admission of IAEA inspectors to Iranian nuclear sites (under conditions still being discussed). In exchange, Iran commits to keeping the strait open and to not developing nuclear weapons. Both parties have 60 days to negotiate the details of a final agreement.

On June 15, the first tankers began leaving the Persian Gulf. In the days that followed, according to CNBC and Kpler, at least 20 tankers carrying 35 million barrels had cleared the strait. Verified oil flow through Hormuz reached roughly 4.8 million barrels per day — the highest level since the start of the US-Israel-Iran war in February 2026.

The drop in oil prices: a double-edged sword

The reopening of Hormuz sends prices lower

The signing of the deal immediately pushed oil prices down. Markets had priced in a substantial geopolitical risk premium during the months of Strait of Hormuz closure — a waterway that accounts for roughly 20% of global oil and LNG trade. The reopening released that pressure. For global consumers, particularly in Europe and Asia, that is an immediate positive.

But the price drop is bad news for Russia. Urals crude — the Russian state's main source of revenue — was already under pressure from the 21st EU sanctions package and a cap set at $44.10 per barrel. The reopening of Hormuz and the influx of Iranian oil onto global markets push prices further down, shrinking Russian revenues even more. In theory, Iran and Russia have diverging interests in this oil equation.

Yet Putin benefits from a market that eases

Paradoxically, however, the US-Iran deal also benefits Putin in a deeper sense. The reopening of Hormuz diverts American diplomatic attention and resources away from the Ukrainian file. Washington now has two major negotiating fronts — Iran and Ukraine — to manage simultaneously. Vice President Vance is leading negotiations with Tehran from Switzerland, while the envoys on Ukraine — Witkoff and Kushner — are temporarily sidelined. This is a windfall for Moscow, which is looking to slow any American diplomatic pressure.

Moreover, if the deal with Iran materializes and sanctions are lifted durably, it sends a signal to states supporting Russia: the United States is prepared to do business with authoritarian regimes when their economic interests are sufficiently at stake. That message weakens the coherence of the sanctions policy against Russia.

The axis of resistance: a liberated Iran benefits Russia

The Iran-Russia alliance: a strategic reality

Iran and Russia have built substantial military cooperation since 2022. Tehran supplied Moscow with Shahed drones that have been used on a massive scale against Ukrainian cities. In return, Russia offered Iran military technologies, diplomatic backing at the Security Council, and a deepened energy partnership. This strategic alliance will not disappear with a deal between Washington and Tehran.

If Iran secures sanctions relief and gains access to a portion of its frozen assets — an initial $12 billion, with discussions about an additional $24–25 billion according to some sources — the Iranian state will have greater resources. Some of those resources could continue to fund its regional activities — including its partnerships with Russia. An Iran less economically strangled is an Iran more capable of sustaining its alliances, including the one with Moscow.

Drone deliveries: an unresolved question

The preliminary deal makes no explicit mention of stopping Iranian drone deliveries to Russia. That omission is significant. Shahed drones remain one of the most formidable weapons in the Russian arsenal against Ukraine — cheap, difficult to intercept at scale, and available in industrial quantities from Iranian factories. As long as this dimension of Iranian-Russian military cooperation is not addressed in the negotiations, the US-Iran deal carries a major strategic gap for Ukraine and its allies.

Zelensky himself has expressed reservations about the deal, stressing that any enrichment of Iran that translates into more drones for Russia is directly harmful to Ukrainian interests. That concern is not rhetorical — it rests on documented facts: according to the ISW, Iranian drones accounted for a growing share of Russian strikes on Ukraine in 2025–2026.

The details of the deal: what Vance actually obtained

A "very general" agreement — according to its own architect

On June 15, 2026, Vice President Vance himself described the deal as "very general" with "a lot of details to negotiate." "The final deal is the house. We laid the foundation. We didn't build the house." That honest metaphor from a senior official reveals the scale of the work that remains to turn this MoU into a lasting commitment.

For his part, Trump summed up his management of the file with a line that speaks volumes about his level of engagement: "If it doesn't work out, I'm holding JD responsible." That statement, made at a press conference at the G7 in Évian-les-Bains, drew laughter from the audience — but it reveals a reality: the deal with Iran is in Vance's hands, whose presidential ambitions make him a particularly invested player in its success.

The sticking points: inspections and timeline

Two central questions remained unresolved as of June 26, 2026. First, IAEA inspections of Iranian nuclear sites, particularly those struck by the United States and Israel during the February 2026 war. IAEA Director General Rafael Grossi states that the MoU explicitly provides for these inspections. Iran argues they will only be granted after a complete final agreement and full sanctions relief.

Second, Iran ties its nuclear commitments to the question of the Strait of Hormuz as a control lever. Until sanctions are fully lifted, Tehran reserves the right to revisit the question of maritime traffic through the strait. A single maritime incident on June 26 already illustrated the fragility of this arrangement: an attack on a cargo vessel briefly cast doubt on the security of the passage.

The impact on global energy markets

35 million barrels freed, but a fragile recovery

The reopening of Hormuz freed a considerable volume of oil that had been waiting in the Persian Gulf. At least 20 tankers carrying 35 million barrels cleared the strait in the week following the signing. Verified oil flow reached 4.8 million barrels per day, according to Kpler. Prices pulled back, giving European and Asian economies a reprieve from the energy price spike that had prevailed since the start of the war.

But this recovery remains fragile. On June 26, a new attack on a cargo vessel created uncertainty about the stability of the passage. The traffic of the week of June 15–21 — 125 transits, the highest level since the war began — may not hold if security is not credibly guaranteed. Tanker operators are cautious: many are still hesitant to commit to long-term contracts in the region.

Unfrozen Iranian assets: who benefits?

The deal provides for the release of $12 billion in frozen Iranian assets in the first stage, with ongoing discussions about an additional release potentially reaching $24–25 billion. These sums represent a substantial financial injection for Iran after years of severe sanctions. The question — never raised openly in the American negotiations — is how those funds will be used.

The experience of the previous nuclear deal (JCPOA 2015) showed that the released funds were not used primarily for civilian economic development. A significant portion financed the activities of the Islamic Revolutionary Guard Corps, the ballistic missile program, and Tehran-aligned militias across the region. There is no reason to assume a 2026 deal will automatically produce a different outcome — unless robust financial tracking mechanisms are built into the final agreement.

The nuclear question: at the heart of everything

Iran at the nuclear threshold: the reality after the strikes

US and Israeli strikes on Iranian nuclear sites in February 2026 damaged key installations, particularly at Natanz and Fordow. But according to the IAEA's June 2026 report, Iran was already in violation of its NPT obligations before those strikes and had an advanced enrichment program in place. The damage caused by the strikes delayed — but did not eliminate — Tehran's uranium enrichment capacity.

In the words of IAEA Director General Grossi: "The Iranian government has stated quite clearly that developing nuclear weapons is not their intention. But of course, intentions are not enough." That carefully worded formulation captures the state of the file: verbal commitments, political assurances, but an uncertain verification process and a technical capability that did not disappear with the strikes.

The debate over inspections

The public contradiction between the IAEA and Iran on the question of inspections reveals the fragility of the deal. Grossi states that the MoU explicitly stipulates IAEA oversight of "nuclear activities concerning nuclear materials and facilities." The Iranian deputy minister responded on social media that inspector access would be "exclusively evaluated in the context of a final deal." These two positions are incompatible — and they must be resolved within the 60 days allotted for the technical phase of negotiations.

A draft resolution at the IAEA, backed by the United States and the EU, demanded that Iran provide "accurate information on nuclear material accounting" and grant inspectors "without delay" access. That text had been tabled before the MoU was even signed — proof that the verification question sits at the core of the tensions and will not be easily resolved.

Financial markets facing uncertainty: how Wall Street read this deal

The initial market reaction: cautious relief

When the contours of the US-Iran deal were confirmed on June 17, 2026, financial markets reacted with measured relief. The Brent crude price pulled back by nearly $4 over two trading sessions, reflecting anticipation of a gradual return of Iranian oil to global markets. US and European equity indices edged higher, carried by hopes of reduced geopolitical tensions in the Middle East.

But that initial reaction quickly gave way to a more nuanced analysis. Traders and analysts began factoring in more complex variables: what will the actual pace of Iran's oil return be? Will Russia compensate by ramping up its own production? Will tensions with Israel remain manageable? Oil markets, accustomed to sharp reversals, quickly retraced part of their initial decline — a reflection of this persistent uncertainty.

OPEC+ between calculation and recalibration

The potential entry of Iran — whose production capacity could reach 4 million barrels per day at full throttle — into the OPEC+ equation raises an immediate strategic question: who will cut production to make room for Tehran? Russia, Saudi Arabia, and the United Arab Emirates each have diverging interests. Moscow wants to maintain its revenues to fund the war in Ukraine. Riyadh wants to keep prices above a break-even threshold. Abu Dhabi wants to maximize volumes ahead of the energy transition.

This internal tension within OPEC+ is nothing new — but the US-Iran deal exacerbates it. If Iran bypasses de facto quotas by increasing its exports through parallel routes — something it has done before — cartel discipline will be sorely tested. An oil price war within OPEC+ would be bad news for producing economies and consumers alike: the latter would only temporarily enjoy lower prices before the volatility that would follow.

Ukraine in the equation: the Western silence on the direct consequences

A deal signed without consulting Kyiv

One striking feature of the media coverage of the US-Iran deal: Ukraine barely figures in it. Yet the implications for Kyiv are considerable. A Russia whose oil revenues hold up thanks to the indirect support of Iranian-Russian-Chinese cooperation is a Russia that can prolong its war. An economically squeezed Russia would be more likely to accept serious negotiations. The logic is elementary — and yet the link between the Iranian deal and the Ukrainian war remains largely absent from the Western debate.

The Zelensky government reacted with notable diplomatic restraint — in private, Ukrainian officials are far more critical. They know that every dollar of oil revenue Russia retains is a potential dollar for missiles, drones, and artillery shells hitting Ukrainian cities. The interconnection of 21st-century conflicts is real: decisions made in Washington and Tehran have direct consequences on the front lines of Donetsk and Kherson.

Western solidarity tested by multi-front geopolitics

The Biden administration, and then the Trump administration, always maintained that support for Ukraine was an absolute priority. But policy decisions sometimes tell a different story. The normalization of relations with Iran — however justifiable on non-proliferation and regional security grounds — objectively creates space that Russia can exploit. This is not a conspiracy or a betrayal: it is the ordinary complexity of foreign policy in a multipolar world.

But that complexity should not excuse Washington from the obligation to anticipate the second-order effects of its decisions. A US-Iran deal that indirectly strengthens Russia's war-fighting capacity should have been accompanied by compensatory measures: increased military aid to Ukraine, new targeted sanctions on Russian oil revenues, greater pressure on China to reduce its purchases of Russian hydrocarbons. At this stage, none of those compensatory measures have been announced.

Conclusion: a necessary but insufficient deal

What the deal actually accomplished

The June 2026 US-Iran deal accomplished one immediately valuable thing: it reopened a vital maritime artery for the global economy and reduced the immediate risk of military escalation in an already tense region. That is real, concrete, and positive. But it is not lasting peace — it is the laying of foundations for a house that has not yet been built.

The risks the deal leaves open

The unresolved questions are numerous and serious: nuclear verification, drone deliveries to Russia, the use of unfrozen assets, the long-term maintenance of security in the Strait of Hormuz. The deal benefits the global economy in the short term — and potentially, in the medium term, Vladimir Putin. That is an equation Washington will need to manage carefully in the months ahead.

By Maxime Marquette, columnist

Columnist's transparency note

Positioning and bias

I am concerned about the implications of this deal for Ukraine and the sanctions against Russia. That bias informs my analysis. I acknowledge that a deal with Iran can also have positive effects on global stability — effects I have sought to incorporate objectively into this article. I make no claim to know the confidential terms of the agreement or any non-public guarantees that may have been secured.

What I don't know

I only have access to the 14-point version made public by Tehran and press sources. The confidential negotiations between Washington and Tehran may contain guarantees I was unable to assess. The figures on oil flows come from CNBC, Bloomberg, and Kpler.

Sources

Primary sources

Washington Post — Iran reopens the Strait of Hormuz and can freely sell its oil — June 17, 2026

CNBC — 35 million barrels freed since the US-Iran deal was signed — June 24, 2026

CNBC — Vance: "a lot" of details on the Iran deal remain to be negotiated — June 15, 2026

Washington Times — Vance says Iran agreed to nuclear inspectors, hails a "good foundation" — June 22, 2026

Secondary sources

CNBC — Shipping traffic rebounds in the Strait of Hormuz, but confidence remains fragile — June 26, 2026

Le Monde — Vance tasked with defending Trump's Iran deal — June 19, 2026

Al Jazeera — IAEA demands "very strong" verification of Iran's nuclear programme — June 26, 2026