Stock market today · Thursday recap

Stock market today: Thursday, October 15, 2026

On Thursday, October 15, 2026, the S&P 500 ETF (SPY) rose 0.28% to $771.79, with the Nasdaq 100 (QQQ) −0.13%, the Russell 2000 (IWM) +1.37%, the Nasdaq Composite +9.82%, according to Senntric data. The biggest move among tracked large caps was Compass Inc. (COMP), up 9.8% to $9.62. The BLS published Core PPI (YoY) at 8:30 am ET: 5% against 4.4% expected.

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By Konsta · Senntric data, 4:00 pm ET close · Updated

Index price movement

S&P 500, Nasdaq and Dow on October 15, 2026.

  • S&P 500

    SPY ETF

    ▲ +0.28%

    $771.79

    Prior close $769.60 · Wed, Oct 14

    Last 15 sessions

  • Nasdaq 100

    QQQ ETF

    ▼ −0.13%

    $728.00

    Prior close $728.95 · Wed, Oct 14

    Last 15 sessions

  • Russell 2000

    IWM ETF

    ▲ +1.37%

    $275.08

    Prior close $271.37 · Wed, Oct 14

    Last 15 sessions

  • Nasdaq Composite

    Index

    ▲ +9.82%

    9.62

    Prior close 8.76 · Wed, Oct 14

    Last 6 sessions

Regular-session closes from Senntric’s stored daily bars; change is against the previous session’s close. ETFs track their index, not its exact level.

Fed, BLS, BEA, Treasury

Economic data on October 15, 2026.

High-impact US releases, actual against expected, with the agency that published each one. Times are US Eastern.

  1. 8:30 am ET

    Core PPI (YoY), October 15, 2026

    Actual
    5%
    Expected
    4.4%
    Prior
    4.6%
    Above expected

    Source: BLS Hear the next Core PPI read aloud live

  2. 8:30 am ET

    Retail Sales (MoM), October 15, 2026

    Actual
    0.8%
    Expected
    0.3%
    Prior
    1.2%
    Above expected

    Source: Census Bureau Hear the next Retail Sales read aloud live

  3. 8:30 am ET

    Retail Sales Control Group, October 15, 2026

    Actual
    0.1%
    Prior
    1.4%

    Source: Census Bureau Hear the next Retail Sales Control Group read aloud live

Stock news October 15, 2026

The biggest stock moves on Thursday.

The largest close-to-close moves among the S&P 500 and the large caps Senntric tracks.

  • COMP, October 15, 2026: up 9.8% to $9.62

    Compass Inc. closed at $9.62, from $8.76 on Wed, Oct 14.

    ▲ +9.8%

  • IONQ, October 15, 2026: up 9.3% to $34.35

    IonQ, Inc. closed at $34.35, from $31.42 on Wed, Oct 14.

    ▲ +9.3%

  • TTD, October 15, 2026: up 7.8% to $13.13

    The Trade Desk, Inc. closed at $13.13, from $12.18 on Wed, Oct 14.

    ▲ +7.8%

  • AFRM, October 15, 2026: up 7.7% to $75.92

    Affirm Holdings, Inc. closed at $75.92, from $70.51 on Wed, Oct 14.

    ▲ +7.7%

  • EFX, October 15, 2026: up 7.3% to $161.26

    Equifax Inc. closed at $161.26, from $150.36 on Wed, Oct 14.

    ▲ +7.3%

  • RDDT, October 15, 2026: up 7.2% to $159.36

    Reddit, Inc. Class A Common Stock closed at $159.36, from $148.60 on Wed, Oct 14.

    ▲ +7.2%

Senntric’s read, October 15, 2026

A split session: Russell 2000 +1.4% led and Nasdaq 100 −0.1% lagged; COMP’s +9.8% was the move that stood out; Core PPI (YoY) came in above expectations.

See the next session’s moves as they happen

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Stock market October 15, 2026

Questions about Thursday’s market

How did the stock market do on October 15, 2026?

On Thursday, October 15, 2026, the S&P 500 ETF (SPY) rose 0.28% to $771.79, with the Nasdaq 100 (QQQ) −0.13%, the Russell 2000 (IWM) +1.37%, the Nasdaq Composite +9.82%, according to Senntric data. The biggest move among tracked large caps was Compass Inc. (COMP), up 9.8% to $9.62. The BLS published Core PPI (YoY) at 8:30 am ET: 5% against 4.4% expected.

Why did the stock market go up on October 15, 2026?

A split session: Russell 2000 +1.4% led and Nasdaq 100 −0.1% lagged; COMP’s +9.8% was the move that stood out; Core PPI (YoY) came in above expectations. The day’s scheduled data: Core PPI (YoY) 5% vs 4.4% expected; Retail Sales (MoM) 0.8% vs 0.3% expected; Retail Sales Control Group 0.1%. The largest moves among tracked large caps were COMP +9.8%, IONQ +9.3%, TTD +7.8%.

What did the S&P 500 close at on October 15, 2026?

SPY, the S&P 500 ETF, closed at $771.79 on October 15, 2026, up 0.28% from $769.60 on October 14, 2026, according to Senntric data.

What economic data was released on October 15, 2026?

Core PPI (YoY) at 8:30 am ET (BLS): 5%, 4.4% expected, 4.6% prior. Retail Sales (MoM) at 8:30 am ET (Census Bureau): 0.8%, 0.3% expected, 1.2% prior. Retail Sales Control Group at 8:30 am ET (Census Bureau): 0.1%, 1.4% prior.

Which stocks moved the most on October 15, 2026?

Compass Inc. (COMP) +9.8% to $9.62; IonQ, Inc. (IONQ) +9.3% to $34.35; The Trade Desk, Inc. (TTD) +7.8% to $13.13; Affirm Holdings, Inc. (AFRM) +7.7% to $75.92; Equifax Inc. (EFX) +7.3% to $161.26; Reddit, Inc. Class A Common Stock (RDDT) +7.2% to $159.36. Moves are close to close among the S&P 500 and the large caps Senntric tracks.

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About this data: closes are Senntric’s stored regular-session daily bars; releases are high-impact US events from Senntric’s economic calendar, with the publishing agency linked; alerts come from Senntric’s Situation Awareness Engine. Figures that weren’t stored are left out. Educational content, not investment advice. More: Markets.