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

Sep 4, 2026
stock-market:-will-s&p-500-open-up-or-down-today?

Rishabh Mishra

3 min read

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U.S. stock futures are trending slightly higher early Friday as investors brace for the critical August jobs report and monitor geopolitical developments in the Middle East.

The Polymarket (CRYPTO: POL) crowd is currently leaning bullish for the Sept. 4 trading session. The “S&P 500 (SPX) Up or Down on September 4?” contract reflects a 59% chance of a higher open.

Sept 4 Polymarket Odds For S&P 500 Opening.

Sept 4 Polymarket Odds For S&P 500 Opening.

Why That Number Matters

Traders are balancing a major domestic economic health check against a highly volatile and escalating conflict in Iran:

  • Positive Index Futures: Equity futures are pointing to a green open across the board. Nasdaq 100 futures are leading the way, up 0.33%, while S&P 500 futures advanced 0.10%, Russell 2000 futures rose 0.10%, and Dow Jones futures ticked up 0.02%.

  • Geopolitics & Energy: Tensions continue to rise following an explosion at a wedding in southern Iran that killed four people and injured at least 68 others, according to Reuters. Weapons experts reviewing the visual evidence suggest the damage leans toward a direct hit from a U.S. 500 lb air-dropped munition. The U.S. military is currently investigating the incident. Meanwhile, energy markets are holding steady at elevated levels; Brent crude futures dipped slightly to $95.46 a barrel, while U.S. West Texas Intermediate (WTI) crude ticked up to $91.49 a barrel.

  • Economic Data: Domestically, all eyes are on the labor market. August’s employment report, unemployment rate, and average hourly earnings data will all be released at 8:30 a.m. ET, providing the Federal Reserve with crucial data ahead of its next policy meeting.

  • Earnings Docket: Friday features a very light earnings calendar, with niche reports expected from KNOT Offshore Partners LP (NYSE:KNOP) and Imperial Petroleum Inc. (NASDAQ:IMPP).

The Bull Case and Market Outlook

Despite the grim geopolitical news and elevated oil prices, seasoned market strategists remind investors that market cycles and investor behavior often repeat. Reflecting on 40 years on Wall Street, Liz Ann Sonders, Chief Investment Strategist at Charles Schwab, emphasized the importance of discipline, patience, and emotional awareness.

View more earnings on $POL

Sonders quoted legendary investor Sir John Templeton to contextualize the current environment: “Bull markets are born on pessimism, they grow on skepticism, they mature on optimism and they die on euphoria.” While external shocks can cause rapid shifts, identifying emotional biases is a crucial part of long-term investing.

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