Stock market close on Thursday, September 17, 2026

The S&P 500 rose 1.14% to 7,637.76 on Thursday, September 17, 2026, its biggest one-day gain since August 4, 2026. It closed 2.07% below its record of 7,798.99, set on August 13, 2026. The Nasdaq Composite rose 1.69% to 26,418.30, the Dow rose 0.61% to 51,778.04 and the Russell 2000 rose 0.55% to 2,874.63.

What stands out on Sep 17, 2026

Computed for this session from daily closes since 1995. The streak and the biggest move since show only when they say something.

S&P 500 vs record−2.07%record 7,798.99 on Aug 13, 2026
Streak1 upS&P 500 session
Biggest gain sinceAug 4, 2026+1.79% that day, 31 sessions back
Small caps vs large−0.58 ptsRussell 2000 +0.55% vs S&P 500 +1.14%
S&P 500 this year+11.57%from the last close of 2025
VIX15.44−2.27 on the day
10-year yield4.947%−0.059 pts on the day

Why it moved: the week is told in Stock market week in review, Sept. 14–18, 2026: Fed hike, 5% yields and a tech rebound.

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The Sep 17, 2026 close: what people ask

How did the stock market close on September 17, 2026?

On Thursday, September 17, 2026, the S&P 500 at 7,637.76 (+1.14%), the Dow Jones Industrial Average at 51,778.04 (+0.61%), the Nasdaq Composite at 26,418.30 (+1.69%) and the Russell 2000 at 2,874.63 (+0.55%), each from its previous close.

Was September 17, 2026 a record close for the S&P 500?

No. It closed 2.07% below the record of 7,798.99 set on August 13, 2026, one of 27 record closes in 2026 up to that day.

How much was the S&P 500 up for the year on September 17, 2026?

It was up 11.57% from its last close of 2025; the Nasdaq Composite was up 13.67%.

What were the VIX and the 10-year Treasury yield on September 17, 2026?

On Thursday, September 17, 2026, the VIX closed at 15.44 (−2.27) and the 10-year Treasury yield at 4.947% (−0.059 pts).

Source: S&P 500 (^GSPC), Dow Jones Industrial Average (^DJI), Nasdaq Composite (^IXIC), Russell 2000 (^RUT), VIX (^VIX) and 10-year Treasury yield (^TNX) daily closes via Yahoo Finance, from January 1995. Records, streaks and "since" dates are computed by Portfolio Terminal from those closes as of September 17, 2026; a record means the highest close since 1995. Not investment advice.