MOU on 60-day ceasefire extension reached, but Trump's signoff remains the swing variable, keeping YES near 58%.
U.S. and Iranian negotiators reached a tentative agreement on Thursday, May 28, 2026, to extend the existing ceasefire in the three-month-old conflict by 60 days and launch a new round of talks on Iran's nuclear program, according to U.S. officials familiar with the private diplomacy. The draft memorandum of understanding, brokered with Kuwaiti mediation, would reopen the Strait of Hormuz to non-military traffic involving Iran and Oman, lift Washington's naval blockade of Iranian ports, and withdraw U.S. forces from "the vicinity of Iran." Four sources told Reuters the MOU still requires President Donald Trump's signoff before it can take effect, and officials cautioned that until Trump signs, "there is no deal." [Reuters, May 28]
The stakes of a US announces new Iran agreement/ceasefire extension are substantial: the framework would pause active hostilities and open a structured negotiating track on uranium enrichment, ballistic missile constraints, and regional proxy activity. Administration hawks, citing prior Iranian non-compliance under the 2015 JCPOA framework, have pushed for verification mechanisms tied to IAEA inspectors before any sanctions relief is staged. Analysts at Bloomberg cautioned that the 60-day window is "deliberately short" — designed to give Trump leverage to walk away if Tehran balks on nuclear concessions, while giving Iranian President Masoud Pezeshkian's government cover domestically against hardliner pushback from the IRGC. [Bloomberg, May 28]
Whether the US announces new Iran agreement/ceasefire extension by the June 30 deadline depends on a single structural variable: Trump's signature. The BBC reported that the broad outlines — naval withdrawal, Hormuz reopening, nuclear talks — are agreed at the negotiator level, but the White House has historically used the final-signoff stage to extract additional concessions, as seen in the March Gaza framework. If Trump signs within the next four weeks, the US announces new Iran agreement/ceasefire extension resolves YES; if hardliner advisers including Secretary of State Marco Rubio succeed in reopening the missile-range clause, the MOU could slip past June 30 into a renegotiation phase. The Kuwaiti foreign ministry is expected to host the next round of shuttle diplomacy in early June. [BBC, May 28]
Polymarket prices this at 58c YES with $952K in volume. Moderate liquidity — use limit orders for positions above $1K to avoid moving the price.
Smart money entered NO at 23c–26c. 100% of NO wallets in profit.
We tracked 3 wallets with positions above $1K on this market. 3 market makers are providing $12K in liquidity, primarily on NO. NO wallets entered between 23c–26c.
| Wallet | Category | Side | Amount | P&L | |
|---|---|---|---|---|---|
| 0x0845..6f | MM | NO | $5.8K | +37% | |
| 0x162f..8d | MM | YES | $3.4K | 0% | |
| 0x12d6..a8 | MM | NO | $3.1K | +50% |
YES wallets entered between 65c, NO wallets at 23c–26c. At current price 58c, all YES buyers are underwater while all NO holders are profitable. Profitable positions rarely sell early — NO side has structural price support.
Polymarket prices YES at 58c with $952K in total volume. Our model estimates fair value at 58c. Model and market are aligned — no pricing discrepancy detected.
| Platform | YES Price | Volume |
|---|---|---|
| Polymarket | 58c | $952K |
| Our Model | 58c | — |