The mysterious account that accurately predicted a war between the US and Iran is now making a huge bet on a ceasefire next week.
2026-03-24 14:59:52
The Polymarket “US x Iran cease-fire” market has seen trading volume exceeding $38.8 million, with the current probability of a ceasefire contract before March 31st being approximately 12%-19%, and before April 15th approximately 33%. Some early heavily invested accounts have already realized significant unrealized gains following Trump's statements.

Mystery Trader Betting Details
Ten recently opened accounts had already placed bets totaling approximately $160,000 in the ceasefire market before Trump's public statement. If a ceasefire were reached by the end of March, these accounts could potentially generate over $1 million in profits. Following Trump's post, unrealized gains on these positions have increased by over $300,000.
The most watched account, "NOTHINGEVERFRICKINGHAPPENS," opened at the end of February. Its first trade was a $7,600 bet on a US military strike against Iran before February 28th, and a $11,283 bet on a strike before March 1st, both bets hitting their targets and yielding a profit of over $85,000. Currently, the account has placed bets of $8,005 on a ceasefire before March 31st and $15,614 on a ceasefire before April 15th, with these two positions already showing a floating profit of over $30,000.
The account bets almost exclusively on the US-Iran conflict, and the size, timing, and historical accuracy of the bets have sparked widespread speculation in the market: whether the account belongs to an "insider" with inside information on US-Iran politics or diplomacy.
Trump's latest statement
Trump stated on Truth Social that the US and Iran had a "very good and productive conversation" and that he had instructed relevant departments to suspend military strikes against Iranian energy infrastructure for five days.
He emphasized that dialogue would continue this week and expressed optimism about reaching a comprehensive solution to hostilities in the Middle East. However, Iranian officials subsequently denied any substantive negotiations, calling Trump's remarks untrue. This contradictory statement further exacerbated market volatility and caused sharp fluctuations in contract prices on forecasting platforms.
Insider trading controversy and new platform regulations
Prediction market platforms have long been plagued by allegations of insider trading. Polymarket previously saw cases of traders profiting over $400,000 in Venezuelan markets using insider information. Competing platform Kalshi recently publicly banned two users suspected of insider trading.
On Monday, Polymarket announced updated insider trading rules, explicitly prohibiting the use of stolen confidential information, unauthorized trading tips, and banning bets from users who could influence the outcome of events. Chief Legal Officer Neal Kumar stated, "Market prosperity depends on clear rules, and these enhancements provide clear expectations for all participants." The new rules apply to both its DeFi platform and CFTC-regulated U.S. exchanges.
Analysts believe this move may indicate that Polymarket will follow Kalshi's lead and publicly investigate suspicious accounts.
Market Outlook and Risks
In the short term, the prospects for a ceasefire between the US and Iran remain highly uncertain. The prevailing view on Polymarket is that the probability of a formal ceasefire before the end of March is low (about 12-19%), but the probability rises to about 33% before April 15, and the probability of a ceasefire being reached by the end of the year is relatively high.
If the “productive dialogue” between Trump and Iran makes substantial progress, the related contracts will appreciate significantly; conversely, if Iran’s hardline stance continues or the conflict escalates, early investors with large positions may face huge losses.
As platforms strengthen compliance, regulators and Congress are also increasing scrutiny of prediction markets. The results of any insider trading investigation could have a profound impact on market confidence and trading volume. Investors should be wary of the dramatic impact of sudden geopolitical events on contract prices and participate cautiously while considering official diplomatic developments.
Editor's Summary
A single Polymarket trader shifted from accurately predicting an outbreak of conflict in Iran to betting heavily on a ceasefire next week, coupled with Trump's comments about "productive dialogue," highlighting the sensitivity of prediction markets in capturing geopolitical shifts. However, the concentrated betting by the account and its historical accuracy have raised suspicions of insider trading. Polymarket's timely rule updates demonstrate the platform's efforts to improve transparency.
Overall, this event reflects the double-edged sword nature of prediction markets in environments of information asymmetry: they can efficiently aggregate wisdom, but are also susceptible to potential insider trading. The ultimate prospect of a ceasefire still depends on the genuine progress of negotiations between the US and Iran, rather than market bets.
- Risk Warning and Disclaimer
- The market involves risk, and trading may not be suitable for all investors. This article is for reference only and does not constitute personal investment advice, nor does it take into account certain users’ specific investment objectives, financial situation, or other needs. Any investment decisions made based on this information are at your own risk.