Reports that the US is concealing substantial military losses from Iranian precision strikes have not moved the war declaration market. The odds of a US declaration of war on Iran by December 31, 2026, sit at 7.5% YES, down slightly from 8% a week ago.
The April 30 declaration market is at 0.7% YES, down from 1% 24 hours ago. The term structure shows a 7-point spread between April 30 and December 31, meaning traders price in more escalation risk later in the year than in the near term.
The military action against Iran market for engagement ending by April 1, 2026, is at 100% YES with no movement, meaning traders treat continued hostilities as a given.
Volume is thin: $329 in USDC traded over 24 hours. It takes $1,830 to move the December market 5 points. A few large trades could shift odds meaningfully in a market this shallow.
The report of hidden US losses points toward possible escalation but is not a definitive catalyst. At 7.5¢, a YES share on a December war declaration pays $1, a potential 13.3x return. That payout requires believing in a formal declaration, which would need escalation well beyond the current strike-and-response pattern.
Watch for US Congressional statements, any formal request for a war declaration by President Trump, or a major new Iranian attack. Any of these could move the market sharply.
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Will The Us Officially Declare War On Iran| Contract | Odds | Δ since publish | Volume 24h | |
|---|---|---|---|---|
| December 31, 2026 | 7.5% | — | — | Trade → |
| April 30, 2026 | 0.5% | — | — | Trade → |
| Contract | Odds | Δ since publish | Volume 24h | |
|---|---|---|---|---|
| April 14 | 0.1% | — | — | Trade → |
| April 21 | 5.5% | — | — | Trade → |
| Contract | Odds | Δ since publish | Volume 24h | |
|---|---|---|---|---|
| April 10 | 100% | — | — | Trade → |
| April 15 | 100% | — | — | Trade → |
| April 21 | 100% | — | — | Trade → |
| April 12 | 100% | — | — | Trade → |
| Contract | Odds | Δ since publish | Volume 24h | |
|---|---|---|---|---|
| April 2 | 100% | — | — | Trade → |
| Contract | Odds | Δ since publish | Volume 24h | |
|---|---|---|---|---|
| April 30 | 100% | — | — | Trade → |