Iran 90 Percent Uranium Enrichment Threat: What Weapons-Grade Risk Means for Oil and Markets in 2026

# Iran 90 Percent Uranium Enrichment Threat: What Weapons-Grade Risk Means for Oil and Markets in 2026

> **Quick answer:** On May 12, 2026, Iranian MP Ebrahim Rezaei warned that Iran could escalate to 90% weapons-grade uranium enrichment if the US attacks again. Iran already holds 441 kg of 60%-enriched uranium convertible to weapons-grade material in as little as two to three weeks. That crosses Israel's declared red line — which analysts say would trigger an Israeli strike and push Brent crude past $130 per barrel.

The Iran 90 percent uranium enrichment threat landed on financial markets at one of the worst possible moments: with the US-Iran ceasefire on "massive life support," Trump airborne to Beijing, and the next round of nuclear talks not scheduled until May 23 in Rome. For investors already navigating a war-disrupted Hormuz corridor, the threat introduces a second-order escalation risk that oil and equity markets have not yet priced in.

## What Happened: The Parliamentary Threat and Why It Was Deliberate

Iranian MP Ebrahim Rezaei, spokesperson for the Iranian Parliament's National Security and Foreign Policy Commission, posted a direct warning on X on May 12, 2026: "One of Iran's options in the event of another attack could be 90 percent enrichment." The statement was not a slip — it was a calibrated lever pull.

Parliament Speaker Mohammad Bagher Ghalibaf issued a separate overnight ultimatum demanding that Washington accept Tehran's 14-point proposal or face consequences. The dual-track signaling — one voice from the technocratic committee, one from the chamber's top official — is how Iran historically communicates that a threat has institutional backing, not just one legislator's frustration.