News · Equities · MarketWatch · Thu, Sep 17, 2026 10:00 PM

Wall Street is betting Trump backs down on Iran — but what if the ‘TACO’ trade fails this

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OpenBook briefing: Wall Street is betting Trump backs down on Iran — but what if the ‘TACO’ trade fails this time?. What it means for equities, FX and cryp

OpenBook market desk: For six months, investors had a playbook: when Trump threatens Iran, buy the dip, because he always backs down. But in September, the playbook stopped working.

Why this matters for multi-asset traders

The headline theme is "Wall Street is betting Trump backs down on Iran — but what if the ‘TACO’ trade fails this time?". We reframe the story for readers tracking equities, FX majors and crypto liquidity - without copying the original wording.

Watch related price action on OpenBook movers and treat this note as information, not investment advice.

Based on reporting from MarketWatch. Read the original.