Polymarket Probability Price The probability that the United States will invade Iran before 2027 is 16.5%.

PolyMarket, “Will the United States invade Iran before 2027?” Price reassessment after ceasefire suspicions and Hormuz risk headlines

Polymarket traders pushed the question: “Will the United States invade Iran before 2027?” Up to 16.5% yes (83.5% no) contracts for approximately $40.1M volume. The move provided a clear reading of how quickly continuously traded markets are reassessing upside risks, amid new headlines about the Iran conflict and energy market stress.

Key Takeaways

• Polymarket suggests the US will invade Iran before 2027, with 83.5% saying no and 16.5% saying yes.
• Traders marked the contract 5.0 points higher (11.5% to 16.5%) after the truce suspicions and related market turmoil made headlines.
• This binary market remains open and resolves on December 31, 2026, so the odds will continue to be updated as new signals arrive.

The wide-ranging hedging session came after US President Donald Trump said the ceasefire with Iran was “over” following US attacks on Iran linked to US attacks on three ships in the Strait of Hormuz. The report also outlined the jump in oil (Brent rose 5.2% to $78.02, briefly above $80), along with volatile global stocks centered on potential disruption across the Channel and concerns about cascading inflation and interest rates.

Market reaction: 16.5% yes, 83.5% no on $40.1M volume, +5.0 points increase on 11.5% win rate

This is a binary Polymarket contract. “Yes” Shares will only be paid if the breach occurs before the resolution date of December 31, 2026. 16.5% Yes/83.5% No, even after the price adjustment, the market is still firmly pricing “no” as the base case. The headline rise from 11.5% to 16.5% is a meaningful +5.0 percentage point move in implied probability, but this is set against a historical backdrop of what the summary labels a ‘stable’ consensus and ‘moderate’ volatility, having moved -2.0 points over both the last 24 hours and 7 days. Today’s individual surges are higher, but in the summary, this mix, which represents a bearish/moderate momentum profile, indicates a disagreement about near-term upside risks rather than a complete change in trend. With approximately $40.1 million matched, the contract is sufficiently engaged that these odds moves function as a real-time aggregation mechanism, updating faster than a traditional narrative cycle, while ensuring a “no” outcome dominates.

See if the market can stay above the mid-teens on yes. The continued bidding suggests traders are increasing the likelihood that the latest conflict signal will translate into a break-in definition before the December 31, 2026 close. If odds fall back to the low teens while volume continues to increase, this means the headline impulse is selling and the market is reverting to its previous baseline.

Related Polymarket contracts Traders monitor: oil price surges, inflation/interest rates and the broader risk-off macro markets

In addition to the headline contract, traders often cross-check sentiment by watching the adjacent Polymarket market, which is pricing the same story through more time-limited triggers. Currently, this includes 22.5% for “Iran announces its withdrawal from MOU negotiations as follows…” (August 15) $3.56 million, 36.5% to “U.S.-Iran final nuclear deal…?” (December 31) $8.9 million, 25.5% to “Complete closure of Iranian airspace…?” (August 31) $1.99 million, 95.5% “Will traffic in the Strait of Hormuz be normalized on July 31?” (No) $13.55M — A useful comparison for whether traders are leaning toward a de-escalation schedule or further pauses.

probability trend

Implied Odds (Last 48 Hours)Probability %Will the United States invade Iran?

by numbers

• platform: Polymarket
• market: Will the United States invade Iran before 2027?
• Solve Window: December 31, 2026 (UTC)
• situation: Active (transactionable)
• Key implicit issues: 16.5%
• volume: ~$40,080,038
• Top results: Yes: Yes 16.5% / No 83.5%; No: Yes 16.5% / No 83.5%

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