US weighs extending oil sanctions relief as Hormuz mine-clearing drags on—markets brace for higher prices

More than 10 countries have asked the U.S. Treasury to extend the license that allows the sale of Russian oil, according to Treasury Secretary Scott Bessent. He said this during testimony before a U.S. Senate committee focused on appropriations, linking the request to ongoing policy calibration rather than a clean end to sanctions relief. In parallel, Bessent also indicated that the U.S. has extended sanctions relief for Russian and Iranian seaborne oil, reinforcing a pattern of selective exemptions. The combined message is that Washington is trying to manage energy security and price stability while keeping sanctions leverage intact. Strategically, the U.S. is balancing two competing objectives: maintaining pressure on Russia and Iran while preventing a supply shock that could destabilize allies and complicate domestic politics. The Hormuz angle adds urgency: Pentagon officials told Congress that clearing mines in the Strait of Hormuz could take up to six months, a timeline that would keep maritime risk premia elevated. That risk interacts directly with the U.S.-Iran ceasefire posture, which President Donald Trump extended indefinitely, creating a fragile “de-risking” narrative that markets may test. Gulf partners are also signaling financial stress and coordination needs, with Bessent saying many Persian Gulf allies and some Asian nations have requested FX swap lines with the U.S. Market implications are immediate for crude benchmarks and energy risk hedging. The Pentagon assessment suggests gasoline and oil prices could remain elevated through the midterm elections, implying a sustained upward bias in front-month pricing and volatility in refining margins. Separately, traders reportedly placed $430 million in bearish bets on Brent crude futures roughly 15 minutes before Trump announced the indefinite extension of the U.S.-Iran ceasefire, highlighting how quickly positioning can diverge from official diplomacy. If sanctions relief on Russian and Iranian seaborne flows is extended, it could partially offset supply constraints, but the Hormuz mine-clearing delay likely dominates the near-to-medium term price path. The FX swap-line requests also point to potential liquidity and currency-management pressures in Gulf and Asian markets that rely on dollar funding. What to watch next is whether the U.S. Treasury extends the Russian oil license beyond the current window and whether it tightens or broadens compliance conditions for seaborne shipments. In Congress, lawmakers will likely press for details on the Hormuz mine-clearing plan, including operational milestones that could shorten the six-month estimate or, conversely, justify escalation of maritime security measures. On the diplomacy front, traders’ behavior around the ceasefire extension suggests the market is looking for confirmation that the ceasefire will hold and that shipping risk will not re-accelerate. Trigger points include any new incidents in the Strait of Hormuz, changes in U.S. guidance on sanctions relief eligibility, and shifts in FX swap-line uptake that could signal stress in regional funding markets.

Geopolitical Implications

• 01

  Washington is using selective sanctions relief as a tool to stabilize energy markets while preserving leverage, potentially reshaping how allies interpret U.S. commitment to enforcement.

• 02

  Extended mine-clearing timelines in the Strait of Hormuz increase the probability of recurring shipping disruptions, giving Iran-adjacent actors more room to influence risk perceptions without direct escalation.

• 03

  Indefinite ceasefire extension reduces kinetic escalation risk but does not eliminate maritime security uncertainty, creating a dual-track environment of diplomacy plus persistent operational hazards.

• 04

  FX swap-line demand from Gulf and Asian partners suggests the U.S. is effectively underwriting regional liquidity, deepening financial interdependence alongside sanctions policy.

Key Signals

• —Any U.S. Treasury updates on the duration and compliance conditions of the Russian oil license extension
• —Congressional follow-ups on Hormuz mine-clearing milestones, assets deployed, and any incident reports that change the six-month estimate
• —Changes in U.S. guidance linking ceasefire stability to sanctions relief eligibility for Iranian seaborne oil
• —FX swap-line announcements, utilization rates, and any signs of funding stress in Gulf and Asian markets