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Iran invasion contract draws heavy trading despite low implied probability

Traders price an 11.5 percent chance that the United States invades Iran before 2027. The Polymarket contract is the second most traded of the 50 markets World Monitor tracks, with 77.8 million dollars in total volume.

A Polymarket contract on whether the United States will invade Iran before 2027 is priced at 11.5 percent, according to World Monitor.

The update, published Nov 5, 2026 at 4:30 AM ET, places the market-implied probability well below an even chance. That price reflects traders’ assessment, not confirmation that an invasion will or will not occur.

Volume stands out within the tracked markets

The contract has accumulated 77.8 million dollars in total trading volume, according to World Monitor. It ranks second by volume among the 50 markets the outlet tracks.

That ranking is specific to World Monitor’s tracked set, rather than an established ranking across all Polymarket contracts. The supplied summary does not include earlier prices or volume figures, so it does not establish whether expectations or trading activity have recently increased.

What it means for prediction markets

  • Price and volume tell different stories: The 11.5 percent price indicates a relatively low implied probability, while 77.8 million dollars in volume shows substantial trading activity.
  • The deadline matters: The contract concerns an invasion before 2027, not the possibility of one over an unspecified period.
  • Resolution details remain unspecified: The summary does not provide the contract’s criteria for what qualifies as an invasion, limiting analysis of how particular developments would affect settlement.
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Sources & attribution

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    World Monitor
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