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

Aug 17, 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 were slightly mixed heading into Monday morning, as investors weighed a robust corporate earnings outlook against a backdrop of complex global crosscurrents, including a major retail earnings week and elevated bond yields.

The Polymarket (CRYPTO: POL) crowd is leaning bullish for the Aug. 17 trading session. The “S&P 500 (SPX) Up or Down on August 17?” contract currently reflects a 62% chance of a higher open.

Aug 17 Polymarket Odds For S&P 500 Opening.

Aug 17 Polymarket Odds For S&P 500 Opening.

Why That Number Matters

Traders are balancing a heavy dose of retail earnings and shifting Federal Reserve expectations against lingering geopolitical frictions in the Middle East:

  • Mixed Index Futures: Equity futures are pointing to a slightly mixed open. S&P 500 futures ticked up 0.11%, and Nasdaq 100 futures advanced 0.34%. Conversely, Dow Jones futures dipped 0.09%, and Russell 2000 futures dropped 0.01%.

  • Geopolitics & Energy: In the Middle East, President Donald Trump praised a newly signed “Mecca Joint Defence Agreement” between Saudi Arabia, Turkey, and Pakistan, calling it a “BIG, BOLD, AND IMPORTANT FIRST STEP” for countries to defend themselves. Meanwhile, tensions remain high following an Iranian attack on an ADNOC tanker and stalled U.S.-Iran negotiations. Amid this geopolitical risk premium, Brent crude futures traded slightly higher at $88.53 a barrel, while U.S. West Texas Intermediate (WTI) crude traded at $81.28 a barrel.

Trump's post on Truth Social.

Trump’s post on Truth Social.
  • Retail Earnings & The Fed: Wall Street is bracing for a massive week of retail earnings, which will provide a critical read on the health of the American consumer. Home Depot Inc. (NYSE:HD) reports on Tuesday, followed by Target Corp. (NYSE:TGT) and TJX Companies Inc. (NYSE:TJX) on Wednesday, and Walmart Inc. (NASDAQ:WMT) on Thursday. On the macro front, after in-line inflation data, market expectations for a Federal Reserve rate hike in September have fallen sharply to about 30%. Investors will also closely monitor the release of the July FOMC meeting minutes on Wednesday.

The Bull Case and Market Outlook

Despite an increasingly complex macroeconomic picture, the equity market has found ample reason for exuberance. According to market commentator Mohamed El-Erian, a structurally resilient corporate earnings outlook has propelled indices to new record highs, reinforcing a comforting narrative of a “soft landing” or even “no landing.”

However, El-Erian notes that this microeconomic strength is competing with stubbornly elevated government bond yields. The 30-year U.S. government bond recently produced its highest yield at issuance at 5.216% since 2001, and the 10-year yield remains near 4.70%. This divergence requires investors to maintain resilience, agility, and optionality as central bank forward guidance is gradually removed.

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