US–IRAN CEASEFIRE

34%

Ceasefire before Apr 15

Most likely path: Omani-mediated direct deal between senior US and Iranian officials.

Multiple diplomatic streams have shifted since UNSC Resolution 2891 (Mar 8) established a new inspection framework. Oman hosted the highest-level US-Iran direct contact in 18 months on Mar 5. However, IRGC hardliner opposition and compressed domestic political timelines in both Washington and Tehran create a narrow and fragile window — making the April deadline achievable but far from certain.

Theater Overview

Actor Network

Predict

34.0%

Ceasefire before Apr 15 MOST LIKELY

28.0%

Partial deal by June

22.0%

Regional intermediary deal

13.0%

No agreement in 2026

3.0%

Military escalation

Key Drivers

01 ↑
Omani backchannel active — Muscat-hosted shuttle diplomacy established a direct senior channel — reduces miscalculation risk and compresses negotiation timeline toward earlier resolution [source]
02 ↑
Narrow political window — Both US midterm campaign and Iran's presidential transition create urgency — leaders on both sides need a deliverable before domestic constraints harden [source]
03 ↑
Sanctions at threshold — Iran reserves at $12B with 45% inflation and rial down 30% YoY — economic pain pushes Tehran's SNSC toward concessions to secure sanctions relief [source]
04 ↓
IRGC hardliners blocking — IRGC controls proxy networks and key economic assets threatened by any deal — their opposition to concessions is the single largest risk of negotiation collapse [source]
05 ↑
Regional normalization cover — Saudi-Iran détente and Abraham Accords expansion give both sides political cover to frame bilateral talks as part of broader regional stabilization, lowering domestic backlash risk [source]

Watch List

Date	Trigger
Apr 3	UNSC sanctions renewal vote If renewed → maintains economic pressure on Tehran, ↑ ceasefire incentive by ~10%	HIGH
Late Mar	Muscat follow-up round If senior officials attend → signals commitment, ↑ deal probability; if cancelled → ↓ sharply	HIGH
Apr 10	Iran presidential debate If reformist candidates lead polls → ↑ diplomatic flexibility; hardliner surge → ↓	MEDIUM
Apr 15	US sanctions waiver expiry If not extended → escalates pressure, could accelerate or collapse talks	MEDIUM
May 1	IAEA quarterly report If enrichment data shows compliance → ↑ trust for deal; violations → ↓ and possible US escalation	LOW

Market Intelligence — Polymarket

Iran enrichment below 20% by Q2 2026?

Vol $1.8M · https://polymarket.com/event/iran-enrichment-below-20-q2-2026

Option	Market	Our Est.	Δ
Yes	35.0%	42.0%	+7.0%
No	65.0%	58.0%	-7.0%

US x Iran ceasefire by...?

Vol $20.9M · https://polymarket.com/event/us-x-iran-ceasefire-by

Option	Market	Our Est.	Δ
April 30	47.5%	53.0%	+5.5%
March 31	25.5%	30.0%	+4.5%
June 30	63.5%	68.0%	+4.5%
March 15	2.4%	2.0%	-0.4%

Major Persian Gulf military confrontation in 2026?

Vol $1.1M · https://polymarket.com/event/gulf-confrontation-2026

Option	Market	Our Est.	Δ
Yes	18.0%	12.0%	-6.0%
No	82.0%	88.0%	+6.0%

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