Will Trump declare war on Iran by April 30, 2026?

No formal declaration of war on Iran by President Trump or administration officials has occurred since the market opened on 2026-03-24, as evidenced by the absence of matching statements on whitehouse.gov and no credible news reports from major outlets like NYT, CNN, or WaPo using the required explicit language. The resolution rules demand unambiguous phrasing equivalent to 'the United States is now at war with Iran,' which presidents have not used since WWII due to Congress's constitutional authority, making a Yes outcome extremely improbable even amid any ongoing tensions. With 22 days remaining, buying No at 95¢ provides a near-certain (>99% true probability) resolution to No, yielding a 4% edge with minimal risk.

No formal declaration of war has occurred, as confirmed by web searches of credible news sources showing only rhetorical use of 'war' by Trump (e.g., 'it's war, we're in war') without explicit language like 'declaring war on Iran,' which fails the strict resolution criteria. Ongoing military actions exist but do not qualify, and with 22 days left, the probability remains near-zero given constitutional norms and Trump's avoidance of Congress. Current No price at 92.4¢ provides a solid edge over the true ~1% Yes probability.

The market requires a formal, explicit declaration of war using specific language like 'the United States is now at war with Iran.' Despite current reports of a hot conflict and a two-week ceasefire as of April 7, 2026, President Trump has consistently used terms like 'military objectives,' 'finishing the job,' and 'strikes' rather than a formal declaration. Given that no US president has issued a formal declaration of war since 1942 and the current administration is actively pursuing a ceasefire and diplomatic negotiations via Pakistan, the probability of the specific required phrasing being used by April 30 is near zero, making 'No' at $0.95 a high-probability trade.