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S&P 500 predictions for week of may 4, 2026

Congress probes Polymarket, Kalshi over Iran strike insider trading allegations

MarioNawfal · just now ago
YES 9% 0¢ since publish

## Market Snapshot

US-Iran nuclear deal market currently prices at 8.5% YES, down from 14% in the past 24 hours. The US military action against 8 countries in 2026 market shows 27.4% YES, up from 23% a day earlier. Both markets reflect significant movement following the news.

## Key Takeaways

– Markets suggest increased likelihood of US military actions against multiple countries, indicated by a rise in the YES pricing for the US military action market. – Decreased YES pricing in the US-Iran nuclear deal market suggests that recent events are consistent with reduced chances of a diplomatic resolution. – The congressional investigation into Polymarket and Kalshi may indicate heightened scrutiny on prediction markets involving geopolitical events.

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## Article Body

A congressional investigation has been initiated into Polymarket and Kalshi amid allegations that an individual profited nearly $1 million from activity on US strikes against Iran. The activity was reportedly conducted using classified information, raising questions about market integrity and the potential misuse of insider knowledge. The development comes as tensions between the US and Iran escalate, with the Pentagon confirming recent military actions. This incident follows a pattern of increased geopolitical tensions impacting market pricing, as seen in related prediction markets. The investigation could have broader implications for how prediction markets are regulated and monitored.

## Market Interpretation

The news appears to have a high impact on related prediction markets. The increase in YES pricing for the US military action market suggests that market participants view further military actions as increasingly likely. Conversely, the drop in YES pricing for the US-Iran nuclear deal market indicates a perception that diplomatic efforts may be less successful. This reflects a shift in market sentiment towards scenarios involving continued conflict rather than resolution.

## What to Watch

Observers should monitor further developments in the congressional investigation, as outcomes could affect market regulation. Additionally, statements from key actors like President Trump or Iranian leaders may influence market dynamics. Upcoming IAEA reports and any new military actions will be critical indicators of the evolving geopolitical landscape. These factors could significantly alter market perceptions and pricing in the coming weeks.

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Us Iran Nuclear Deal May 31 974
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May 31 8.5% View market →
How Many Different Countries Will The Us Strike In 2026
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