US-Iran nuclear deal before 2027?

Prediction markets currently give a 67% probability that US-Iran nuclear deal before 2027?. This contract trades at 67¢ on Polymarket, closing December 31, 2026. The market has surged 28% over seven days to 74¢, reflecting recent diplomatic momentum, though the 402.8% implied yield on "No" suggests traders view a deal as unlikely despite the high headline probability.

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67¢
Bid/Ask 65/68¢·Spread 3¢·Vol $24,793.919·OI $58,276.381·Closes Dec 31, 2026·253d remaining
0x182390641d3b1b47cc64274b9da290efd04221c586651ba190880713da6347d9
7-day price361 snapshots · 121 regime
87¢67¢ current
Apr 842¢Apr 21

Analysis

4d ago

The market has surged 28% over seven days to 74¢, reflecting recent diplomatic momentum, though the 402.8% implied yield on "No" suggests traders view a deal as unlikely despite the high headline probability. The 113% realized volatility and 1.54 vol ratio indicate significant uncertainty beneath the surface, with the modest $15.8k daily volume and tight 2¢ spread providing reasonable liquidity for a binary event 258 days out. The extreme cliff risk index of 3 combined with 0.7 info arrivals per hour signals this market is highly sensitive to geopolitical developments, making the current 49.7% yes-side yield potentially attractive for risk-tolerant traders betting against the consensus.

Resolution rules

This market will resolve to "Yes" if an official agreement over Iranian nuclear research and/or nuclear weapon development, defined as a publicly announced mutual agreement, is reached between the United States and Iran by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to “No”. If such an agreement is officially reached before the resolution date, this market will resolve to "Yes", regardless of if/when the agreement goes into effect. Agreements that include the United States and Iran as parties, even if they also involve other countries (e.g., a multilateral deal like the JCPOA), will qualify for resolution. The primary resolution source for this market will be an official announcement by the United States and/or the Islamic Republic of Iran, however an overwhelming consensus of credible reporting confirming an agreement has been reached will also qualify.

Indicators

IY (Yes) 71.0%
IY (No) 292.7%
Adj IY 284%
CRI 2
RV 270%
VR 3.44
▶ Full indicator table (8)
IndicatorValue
IY (Yes)71.0%
IY (No)292.7%
Adj IY284%
CRI2
RV270%
VR3.44
IAR1.7/h
LAS0.03

Regime

Label
neutral
Score
0.409
Spread
3¢
Computed
4/21/2026, 7:02:21 PM
Observability mediumEvent type political
Has orderbookIndicators computed 4/21/2026, 6:53:17 PM

Trade

View on polymarketsf trade 0x182390641d3b1b47cc64274b9da290efd04221c586651ba190880713da6347d9 yes 100

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