28 days ago · Iran
Wall Street is betting Trump backs down on Iran — but what if the ‘TACO’ trade fails this time?
What's happening
SignalsMonitor is following this as a markets story. MarketWatch Top Stories is the outlet attached so far. The reports are tied to Iran. The first report grouped here was at 18 Sept 2026, 11:51 UTC. The headline in use is “Wall Street is betting Trump backs down on Iran — but what if the ‘TACO’ trade fails this time?”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
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.
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by MarketWatch Top Stories
Wall Street is betting Trump backs down on Iran — but what if the ‘TACO’ trade fails this time?
Reported by 1 outlet
- MarketWatch Top Stories