S&P 500 Mostly Moving Sideways As August 2025 Ends

The S&P 500 (Index: SPX) touched two new record highs during the week that was, but as the week came to an end, it gave back those gains and closed out the trading week ending on Friday, 29 August 2025 at 6,460.26, just 0.1% below where it closed the previous week.

In other words, stock prices are more-or-less moving mostly sideways in accordance with prophecy! Specifically, the second of two scenarios we outlined in the previous edition of the S&P 500 chaos series for how stock prices would behave under a specific condition:

Should investors shift their time horizon inward to the nearer term, the rally in stock prices could continue. How high stock prices might rise in that event would be determined by how far into the future they might shift their focus. If that doesn't happen and investors stay focused on 2026-Q2, then stock prices will mostly move sideways within a relatively narrow range.

The latest update of the alternative futures-based chart reveals the trajectory of the S&P 500 over the past week mostly moved sideways, with investors remaining focused on the distant future quarter of 2026-Q2.
 

Alternative Futures - S&P 500 - 2025Q3 - Standard Model (m=-2.0 from 28 Apr 2025) - Snapshot on 29 Aug 2025


How long investors might maintain their attention on 2026-Q2 will depend upon the random onset of new information. Here are the headlines from the major market-moving headlines that influenced investor expectations during the final trading week of August 2025.

Monday, 25 August 2025

Tuesday, 26 August 2025

Wednesday, 27 August 2025

Thursday, 28 August 2025

Friday, 29 August 2025

The CME Group's FedWatch Tool projects the Fed will cut the Federal Funds Rate by a quarter percent at its 17 September (2025-Q3) meeting. Looking further forward, the FedWatch tool forecasts no rate cut in October, which it had a week earlier, but still anticipates additional quarter point rate cuts will take place on 10 December (2025-Q4) and 28 January (2026-Q1) .

The Atlanta Fed's GDPNow tool projection of real GDP growth in the U.S. during the current quarter of 2025-Q2 vaulted to +3.5% after registering +2.3% annualized growth in the preceding week.


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