The Digester
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Trump Market: How presidential moves are driving market volatility

Since the Iran conflict began, Donald Trump’s social posts and abrupt reversals have produced extreme market swings, forcing traders to price his behavior above traditional economic data.

Mar 26th 2026 · United States

Insights

  • Since the Iran conflict began, Trump’s Truth Social posts and policy reversals have driven intraday asset swings of up to 15 percent.
  • Financial markets have become the primary real-time constraint on Trump’s decisions, often more influential than macroeconomic indicators.
  • Trump’s frequent reversals are a deliberate tactic to retain leverage and strategic ambiguity, not a sign of weakness.
  • Reversals that calm markets can also give Trump more time and space to pursue further military escalation.
  • Additional US forces en route to the Middle East could shift the balance of power and enable bolder actions that would again move markets.

Sources