Stock Market: Will S&P 500 Open Up or Down Today?

U.S. stock futures are showing a mixed-to-slightly-flat picture early Tuesday as Wall Street balances new U.S. sanctions targeting Iranian airlines against fresh corporate earnings reports and lingering market optimism from Monday’s AI-led rally.

The “S&P 500 (SPX) Up or Down on September 22?” contract currently reflects a 53% chance of a higher open.

Traders are navigating a mix of geopolitical escalations, oil price movements, and central bank commentary.

Equity futures are pointing to a quiet, mixed open across major benchmarks. S&P 500 futures dipped 0.01%, Dow Jones futures fell 0.06%, and Russell 2000 futures dropped 0.07%. Meanwhile, Nasdaq 100 futures ticked up 0.08%.