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Trillion-dollar market-cap wipeouts tied to Iran war selloff

March 26, 2026Peter Tuchman, Jesse Cohen, Quant Data

Multiple accounts quantify repeated $1T+ down days and $3.5T$4.5T monthly drawdowns in the S&P 500, framing the war as a driver of extreme volatility and rapid wealth destruction.

MARKET RECAP πŸ“‰ What a wild day, the S&P 500 lost around $1 TRILLION in market cap today, the 2nd worst day of 2026.
THE S&P 500 HAS LOST AROUND $3.7 TRILLION IN MARKET CAP WITHIN THE LAST 30 DAYS (-6.4%) 😳
MARKET RECAP πŸ“‰ What a wild month, the S&P 500 has now lost $4.5 TRILLION in market cap within the last 30 days
🚨Just In: Over $1 Trillion was wiped out from the US stock market today. $3.5 trillion in market cap gone since the start of the Iran war.
S&P 500 just shed roughly $1T in market cap today as all major indices finished sharply lower:
Peter Tuchman
Jesse Cohen
Quant Data
Lia
The Market Hustle
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