Will another country conduct military action against Iran by April 30, 2026?

No qualifying military actions by countries other than Israel or the US have occurred on Iranian soil or embassies since the market opened on March 19, 2026, as confirmed by web searches. The April 15 market trades at Yes 2.8¢ (high volume $752k), while this market is at 17¢ Yes, suggesting the implied ~14.6% conditional probability post-April 15 is overstated given strict rules, de-escalation signals like US-Iran talks, and low likelihood of third-country direct strikes. Buying No offers a strong 10-15% edge with >95% true resolution probability to No, excellent short-term return potential in a catalyst setup as time passes without events.

The analyst's core logic is correct—the probability of a qualifying strike is extremely low—but their recommended trade is wrong. They recommend buying 'No' at 85%, but the web search shows the current 'No' price is already 81-84% [polymarket.com](https://polymarket.com/event/will-another-country-conduct-military-action-against-iran-by), leaving minimal edge. The real mispricing is in the opposite direction: the 'Yes' price for the April 30 market is 15-20%, which is still far too high given the current de-escalation and lack of any credible threat from a third country, as confirmed by recent reports [facebook.com](https://www.facebook.com/InstitutefortheStudyofWar/posts/1385657000273240/).

Correction: {'trade': 'Buy No at $0.81 (or better)', 'category': 'mispricing', 'reasoning': "The 'Yes' price is grossly inflated. The market requires a drone/missile strike from a country other than the US or Israel to impact Iranian soil. Current geopolitical reporting indicates a ceasefire and no exchanges of fire between Iran, the US, and Israel, with no indication of any other country preparing such an attack. The true probability of a 'Yes' is near zero, not 15-20%. Buying 'No' offers a ~19% return in 16 days if the status quo holds.", 'risk': 'The primary risk is a sudden, unexpected military strike by a third country (e.g., a Gulf state) within the next two weeks, which current intelligence suggests is highly unlikely.'}

The recommendation to buy 'No' is fundamentally sound given the strict exclusion of US/Israel strikes and the high evidentiary bar for a third-country aerial attack. The recent market consensus that US/Israel military action ended on April 9 further supports a low probability of third-party escalation. However, the trade is misclassified as a catalyst.

Correction: {'trade': '', 'category': 'mispricing', 'reasoning': 'The analysis describes a hold-to-resolution position based on structural rules and recent de-escalation trends, not a near-term event-driven price flip. The edge stems from the market overpricing a speculative third-country strike despite the primary conflict pausing.', 'risk': "A sudden, independently verified retaliatory strike by a regional actor or European power, confirmed by major news outlets before the deadline, would trigger a 'Yes' resolution."}