Congress passes Iran war powers resolution by June 30?

Platform comparison

Market context

The underlying event is whether both the U.S. House and Senate pass identical legislation to restrict military action against Iran before the end of June 2026. Although the House approved a resolution on 3 June with a narrow 215–208 vote, the Senate faces a steeper hurdle requiring 60 votes for final passage, plus a likely presidential signature that President Trump may withhold[1][3]. Historical precedents show that even when Congress advances war powers measures, presidential vetoes and the high threshold for override (two-thirds majority) often block enactment, making the current 100% crowd-implied probability appear detached from legislative reality[3].

Traders should monitor the Senate’s vote schedule, any amendments to the House text, and the President’s stated position on the conflict, as these dependencies directly determine passage. Recent reporting notes the Senate needs ten additional votes beyond the May 19 support level, a considerable challenge that could delay or prevent final approval[3]. The resolution’s 30-day withdrawal mandate and the requirement for explicit congressional approval of ground troops remain key provisions, but their legal effect hinges on successful bicameral passage and presidential assent[2]. Until the Senate acts and the President signs, the market’s traction reflects funding flows rather than confirmed legislative certainty, much like deposit friction affecting book depth on payment rails such as Klarna or SEPA.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Congress passes Iran war powers resolution by June 30? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket Klarna UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

Polymarket Klarna UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Polymarket Klarna UK?

Zero. Polymarket Klarna UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.