Iranian tankers cluster off Chabahar to bypass US oil blockade

Tankers loaded with Iranian oil are clustering off Chabahar port, outside the Persian Gulf, in what appears to be an attempt to circumvent the US blockade. The Polymarket contract for crude oil hitting an all-time high by April 30 sits at 0.4% YES, down from 2% yesterday.

Market reaction

The April 30 market has face value of $100,828/day and actual USDC traded at $2,513/day, which points to limited conviction among traders. Order book depth is just $695 to move 5 points, meaning even small trades could swing the price significantly. The WTI Crude Oil Price in April 2026 contract shows no current trades.

Why it matters

The Chabahar clustering signals a possible workaround for Iranian oil exports under US sanctions pressure. If Iran successfully reroutes supply through ports outside the Persian Gulf, it complicates enforcement of the blockade. If it fails, the resulting supply squeeze could push crude prices higher. Either outcome changes the calculus for oil markets.

What to watch

At 0.4%, a YES share at 0.4¢ pays $1 if crude hits a record high by April 30. That’s a long-shot bet that requires believing in rapid escalation, something like a complete Iranian export ban. Key catalysts to monitor: OPEC+ announcements, US strategic petroleum reserve releases, or formal Iranian export bans. Any of these could move the contract sharply in the coming days.

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