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Suspicious Polymarket Bets Netted $663K Before Iran Ceasefire

Four newly created wallets and a known trader made about $857,000 after betting on a ceasefire hours before the announcement, Lookonchain said.

  • On Tuesday at 19:45 GMT, investors sold a combined 8,600 lots of Brent and WTI crude futures, representing approximately $950 million in bets on falling oil prices.
  • Trump announced a two-week ceasefire with Iran at 22:30 GMT on Tuesday, stepping back from prior threats and knocking crude futures down 15% to below $100 a barrel at Wednesday's market open.
  • A similar pattern occurred on March 23, when investors sold $500 million in oil futures just 15 minutes before Trump delayed attacks on Iran's energy infrastructure, triggering a 15% crude price drop.
  • Large orders are rarely executed after settlement, which occurs Monday to Friday at 1830 GMT; traders typically use algorithmic strategies to avoid impacting prices with outsized bets.
  • Trading volumes have hit record highs above 1 million lots in recent weeks as volatility has exploded since the war began, complicating hedging and price discovery for market participants.
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19 Articles

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Although transactions of this type are not uncommon, they are very rarely carried out in large lots - Trading volume and volatility have skyrocketed since the start of the war

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Crypto Briefing broke the news in on Tuesday, April 7, 2026.
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