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Iran closes Strait of Hormuz, escalating US conflict; Bitcoin market eyes April 18

By Estefano Gomez · Published April 20, 2026 · 1 min read · Source: Crypto Briefing
Bitcoin

Iran’s closure of the Strait of Hormuz has escalated the U.S.-Iran conflict, and the Polymarket contract for Bitcoin reaching $84,000 by April 18 sits at 0.1¢ YES.

The April 18 market is priced at 0.1¢, with oil prices past $100/barrel and a ceasefire set to expire on April 22. Traders are hedging against further instability dragging Bitcoin’s price down. The April 16 markets hold at 100% YES, suggesting confidence that lower price thresholds will be met.

The Bitcoin $84K April 18 contract has seen only $3 in USDC traded over the past day. Order book depth shows it would take just $228 to move the price 5 percentage points, making this a highly illiquid market where a single large trade could shift the odds substantially.

A YES share at 0.1¢ pays $1 if Bitcoin hits $84,000, a 1000x return. That payout depends on either rapid geopolitical de-escalation or a major positive crypto regulatory signal before the contract expires.

Watch for Trump’s statements on U.S.-Iran talks, particularly any announcement regarding the Strait of Hormuz. A diplomatic shift could move Bitcoin pricing quickly, and with this contract’s thin liquidity, even modest capital inflows would show up in the odds.

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Bitcoin Above On April 16
Contract Odds Δ since publish Volume 24h
April 16 100% Trade →
Bitcoin Above On April 14
Contract Odds Δ since publish Volume 24h
April 14 100% Trade →
What Price Will Bitcoin Hit On April 18
Contract Odds Δ since publish Volume 24h
April 18 0.1% Trade →
Related to This Story Morgan Stanley launches first US bank-affiliated Bitcoin ETF on NYSE Arca
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