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Polymarket Predicts 'No' on US-Iran Ceasefire by July 31 Amid Renewed Hostilities

A Polymarket prediction market on a US-Iran effective ceasefire by July 31 is heavily favoring 'No,' with odds reflecting continuous military actions throughout July that prevented a 14-day pause.

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— 3 min read

The Polymarket prediction market, titled 'US x Iran Effective Ceasefire by July 31?', is nearing its resolution with overwhelming odds pointing to a 'No' outcome. With current prices at 0.065 for 'Yes' and 0.935 for 'No,' market participants are signaling high confidence that the United States did not maintain a continuous 14-day period without a qualifying military action against Iranian terrestrial territory by the July 31st deadline.

The market's resolution hinges on the absence of specific U.S.-initiated air or surface-to-surface missile strikes directly impacting Iran for a continuous two-week period. This definition excludes intercepted munitions, minor strikes, and cyber operations, focusing strictly on direct impacts to Iranian land or internal waters.

Throughout July 2026, tensions between the United States and Iran have remained exceptionally high, marked by a significant resumption of military engagements. The conflict escalated sharply on July 7, 2026, when the U.S. launched aerial bombings against Iran following Iranian strikes on three tankers in the Strait of Hormuz. President Trump subsequently declared an end to a prior ceasefire, signaling a return to active hostilities.

Reports indicate a sustained pattern of U.S. military actions throughout the month. From July 7, the U.S. executed consecutive nights of strikes, targeting dozens of Iranian sites. While a brief de-escalation period emerged around July 25-26, with Iran stating it would halt attacks if the U.S. reciprocated and the U.S. acknowledging a pause for diplomatic efforts, this respite proved short-lived. During this brief lull, Polymarket odds for a 'Yes' resolution saw a temporary rise to 59% on July 27, reflecting hopes for a sustained halt in hostilities.

However, these hopes were dashed by renewed aggression. On July 29, the U.S. vowed a forceful response after Iran reportedly launched ballistic missiles targeting American forces in Jordan, though these were intercepted. The U.S. proceeded with missile strikes against Larak Island in the Strait of Hormuz and initiated a new round of attacks. Most critically for this market's resolution, on July 30, the U.S. military conducted a "heavy wave" of airstrikes, hitting dozens of Islamic Revolutionary Guard Corps (IRGC) targets across Iran. These strikes directly contradict the condition for a 14-day ceasefire, effectively resetting any potential continuous period.

As of July 31, the situation remained volatile. Iran claimed to have struck two tankers in the Strait of Hormuz under U.S. escort, and CBS News reported that the U.S. and Israel were planning further significant bombing campaigns against Iranian energy infrastructure. These events confirm that no continuous 14-day period without qualifying U.S. military actions against Iran's terrestrial territory was achieved by the market's end date.

The current market odds of 93.5% for 'No' accurately reflect the reality of persistent U.S.-Iran military engagements throughout July 2026. The brief pause in late July was insufficient to meet the market's specific 14-day continuous ceasefire requirement, making a 'No' resolution highly probable.

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Market data fetched at 2026-08-01 00:17 UTC | Polymarket ID: 2937525

This article is generated by AI for informational purposes only. It does not constitute financial advice. Always do your own research before making any investment decisions. Data sourced from Polymarket and public web sources.

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