Geopolitics Polymarket June 18, 2026
US and Iran Sign Agreement
✓ The market called it — resolved June 15.
US and Iran sign an agreement by...?
Polymarket prices this June 15 at 100%. The reporting broadly agrees.
The United States and Iran have signed a preliminary agreement, with details of the deal being revealed by US officials. The agreement is seen as a significant step towards ending the conflict between the two countries. Traders put 100% on the deal being signed by the listed date, reflecting the optimism surrounding the negotiations.
Background
The US and Iran have been engaged in negotiations for some time, with the goal of reaching a ceasefire agreement. The deal is expected to be made public soon, with a permanent truce still awaiting negotiation. The market's odds have held roughly steady over the period it has been tracked.
What the coverage agrees on
- The US and Iran have signed a preliminary agreement
- The deal is expected to be made public soon
- A permanent truce still awaits negotiation
How outlets frame it
- The New York Times: emphasizes that the terms of the deal remain secret
What to watch
The public release of the agreement's details and the negotiation of a permanent truce are the next key developments to watch.
The numbers behind this
Polymarket prices this June 15 at 100%.
24h +0.1 pts
$21.4M traded · $10.8M in the last day · $280K resting liquidity · $11.9M open interest
Resolves on: This market will resolve to “Yes” if the United States signs any written agreement with the Islamic Republic of Iran by the listed date, 11:59 PM ET. Otherwise, this market will resolve to “No”. A qualifying agreement must be signed by both an authorized representative of the United States and an authorized representa
Pricing Polymarket 100%
Sources
- Iran deal is in effect, White House says, as US officials reveal details of the agreement bbc.com
- US and Iran remotely sign agreement hailed by Trump. Live updates usatoday.com
- Live updates: Trump signs hard copy of US-Iran agreement cnn.com
- US-Iran ceasefire agreement to be public soon, permanent truce still awaits negotiation reuters.com
- U.S. and Iran Sign Preliminary Deal, but Its Terms Remain Secret nytimes.com
- U.S. and Iran reach deal to end the Mideast war, with agreement set to be signed Friday cnbc.com
- Trump declares US-Iran peace deal ‘all signed’ as G7 leaders battle to tie up loose ends theguardian.com
- U.S. and Iran announce an initial deal to end the war and reopen the Strait of Hormuz npr.org
Frequently asked questions
US and Iran sign an agreement by...?
Polymarket prices this June 15 at 100%. The reporting broadly agrees.
What do the sources agree on?
The US and Iran have signed a preliminary agreement The deal is expected to be made public soon A permanent truce still awaits negotiation
When does this market resolve?
This market resolves on: This market will resolve to “Yes” if the United States signs any written agreement with the Islamic Republic of Iran by the listed date, 11:59 PM ET. Otherwise, this market will resolve to “No”. A qualifying agreement must be signed by both an authorized representative of the United States and an authorized representa
How are these odds set?
Prediction-market odds are prices set by people trading real money on the outcome, so the price reads as the crowd’s implied probability — not a guarantee or financial advice.
AI-written briefing grounded in 8 sources and the live market, edited by Samuel Jo. Odds are crowd probabilities, not advice — how this works.