S&P 500 closes at 7,745.06 on August 17, 2026 — all three indices fall
The S&P 500 closed at 7,745.06 on August 17, 2026, down 0.52%. The Dow ended at 53,732.41 and the Nasdaq Composite at 26,729.16, both lower on the day
The three lines
- S&P 500 7,745.06 (-0.52%) · Dow 53,732.41 (-0.2%) · Nasdaq 26,729.16 (-0.3%)
- The drivers were rates and oil, not earnings — the 30-year Treasury yield hit 5.31%
- The index sits 53.93 points, or 0.69%, below its August 13 record close of 7,798.99
Key questions
- What was the S&P 500 closing price on August 17, 2026?
- 7,745.06, down 40.70 points or 0.52% from the previous session. On the same day the Dow Jones Industrial Average closed at 53,732.41, down 107.58 points (0.2%), and the Nasdaq Composite closed at 26,729.16, down 73.86 points (0.3%).
- Why did US stocks fall on August 17?
- Not because of earnings. Two external forces converged. Renewed US-Iran tension pushed oil higher, and the 30-year Treasury yield reached 5.31%, its highest since 2007. When a risk-free asset pays above 5%, the return demanded from equities rises with it. Neither driver is something companies can offset through results.
- How far is the S&P 500 from its record high?
- 0.69% below. The record close was 7,798.99 on August 13, 2026, covered on this page at the time. The August 17 close of 7,745.06 is 53.93 points beneath it — a pullback of less than one percent over four sessions.
August 17 was a market holiday in South Korea — the substitute public holiday for Liberation Day, which fell on a Saturday. The Korea Exchange was shut. US markets were open, and all three major indices fell.
1. The closes
| Index | Close | Change | Percent |
|---|---|---|---|
| S&P 500 | 7,745.06 | -40.70 | -0.52% |
| Dow Jones Industrial Average | 53,732.41 | -107.58 | -0.2% |
| Nasdaq Composite | 26,729.16 | -73.86 | -0.3% |
All three moved less than one percent. This was not a rout. What is worth attention is not the size of the decline but its source.
2. Rates and oil, not earnings
Two external forces converged, and neither originates inside corporate results.
The 30-year Treasury yield at 5.31% — its highest since 2007. When an asset carrying no credit risk pays above 5%, the hurdle rate for anything riskier rises with it. This page covers the bond move separately in "US 30-year Treasury yield hits 5.31%."
Oil. With US-Iran negotiations stalled and Hormuz traffic thinning again, crude held its recent gains — Brent futures around $89 and WTI in the low $80s. Oil is simultaneously an input cost and an input to inflation expectations, so it presses on equities through two channels at once.
What these two have in common: neither can be fixed by a good quarter. They are not the kind of headwind earnings can offset.
3. Distance from the record
| Date | S&P 500 close | vs August 13 |
|---|---|---|
| August 13 (record) | 7,798.99 | — |
| August 14 | 7,785.76 | -13.23 (-0.17%) |
| August 17 | 7,745.06 | -53.93 (-0.69%) |
Four sessions after the record close this page covered on August 14, cumulative drawdown is 0.69%.
An index pulling back under one percent from a record is unremarkable in itself. The character of this pullback differs from the last one, though. The August 14 decline followed a collapse in consumer sentiment to 51. The August 17 decline came from rates and geopolitics — causes that sit outside the index and remain unresolved.
4. What this means for Seoul
Because Korea was closed on August 17, this move arrives in a single lump at the August 18 open.
The KOSPI's most recent close was 6,977.94 on August 14, after an 11.49% run over five sessions that this page covered on August 15. A market reopening from a three-day break after a sharp rally does not simply import a 0.5% US decline. Several sessions' worth of news lands at once, and neither the direction nor the size is knowable before the open.
5. What remains unconfirmed
No sector breakdown. Which sectors led the decline, and how volumes compared with recent averages, was not confirmed.
Retail earnings are pending. Reporting notes retail results due later in the week without naming companies or dates in the coverage reviewed here.
Neither driver has a known endpoint. Both the yield move and the oil situation are live. This page does not forecast.
Related coverage: "US 30-year Treasury yield hits 5.31%," "Hormuz traffic falls to zero on Sunday," and "S&P 500 sets a record close at 7,798.99."
Sources
- Yahoo Finance — Stock market today: Dow, S&P 500, Nasdaq fall as oil rises amid US-Iran tensions, 30-year yield hits highest level in decades
- TheStreet — Stock Market Today (Aug. 17, 2026): Dow, S&P 500 fall as retail earnings reports loom
- Bloomberg — Stock Market Today: Dow, S&P Live Updates for August 17
- Bloomberg — US Bond Selloff Drives 30-Year Yields to Highest Since 2007
- CNBC — Oil struggles for direction as U.S.-Iran talks stall, Hormuz shipping slows