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AMD −15.9%: one of its biggest daily moves this year. ADVANCED MICRO DEVICES INC moved 8.3 points less than its sector, on 2.4× its usual volume.

2026-11-05 · AMD

AMD −15.9%: one of its biggest daily moves this year

ADVANCED MICRO DEVICES INC moved 8.3 points less than its sector, on 2.4× its usual volume.

The story in plain words

Thursday, November 5, 2026. AMD −15.9%: one of its biggest daily moves this year. ADVANCED MICRO DEVICES INC moved 8.3 points less than its sector, on 2.4× its usual volume.

What the data shows for Advanced Micro Devices (AMD): AMD −15.9% today. Its sector fund (XLK) −7.6% today. S&P 500 (SPY) −4.2% today.

Worked out from that data: 8.3 points less than its sector. Volume 2.4× its 20-day average. Bigger than 99% of its daily moves over the past 250 trading days. After the 6 most similar AMD days since Nov 17, 2021, the stock was higher 5 days later 2 of 6 times (History, not a forecast).

Possible contributors. These line up in time with the move; they are not confirmed causes: News: “Stock Market Today: Dow Down 1,500 Points As Volatility Spikes; Expedia Posts A Soft Outlook (Live Coverage)” (Published around the move. Timing only, not a confirmed cause). News: “AMD Stocks Fall 12.68% Despite a $17 Billion Revenue Outlook” (Published around the move. Timing only, not a confirmed cause). 10-Q filed (Filed around the move. Timing only). 8-K filed: Earnings results, Regulation FD disclosure (Filed around the move. Timing only).

About the company: Advanced Micro Devices trades as AMD and is part of the S&P 500, in the Information Technology sector (Semiconductors), headquartered in Santa Clara, California, founded in 1969.

This is one of CookieStocks’ daily stock stories about unusually large one-day price moves in S&P 500 stocks, measured against each stock’s own history, its sector and its usual volume. Stories are found automatically each trading day from market data and SEC filings, and every claim is labelled as observed, calculated or a possible contributor. Statistics only, not investment advice.

Prove it

Every claim on the graphic, labelled: observed (straight from the data), calculated (worked out from it), or possible contributor (lines up in time, not a confirmed cause).

  • OBSERVED
    AMD −15.9% todayNov 5, 2026, 4:35 PM ET
  • OBSERVED
    Its sector fund (XLK) −7.6% todayNov 5, 2026, 4:35 PM ET
  • CALCULATED
    8.3 points less than its sectorHow: stock return − sector fund return · Nov 5, 2026, 4:35 PM ET
  • OBSERVED
    S&P 500 (SPY) −4.2% todayNov 5, 2026, 4:35 PM ET
  • CALCULATED
    Volume 2.4× its 20-day averageHow: today’s volume ÷ average of the last 20 days · Nov 5, 2026, 4:35 PM ET
  • CALCULATED
    Bigger than 99% of its daily moves over the past 250 trading daysHow: share of past daily moves smaller in size · Nov 5, 2026, 4:35 PM ET
  • POSSIBLE CONTRIBUTOR
    News: “Stock Market Today: Dow Down 1,500 Points As Volatility Spikes; Expedia Posts A Soft Outlook (Live Coverage)”Published around the move. Timing only, not a confirmed cause. · Nov 5, 2026, 2:46 PM ET
  • POSSIBLE CONTRIBUTOR
    News: “AMD Stocks Fall 12.68% Despite a $17 Billion Revenue Outlook”Published around the move. Timing only, not a confirmed cause. · Nov 5, 2026, 2:32 PM ET
  • POSSIBLE CONTRIBUTOR
    10-Q filedFiled around the move. Timing only. · Source: SEC EDGAR · Nov 4, 2026, 3:00 PM ET
  • POSSIBLE CONTRIBUTOR
    8-K filed: Earnings results, Regulation FD disclosureFiled around the move. Timing only. · Source: SEC EDGAR · Nov 3, 2026, 3:00 PM ET
  • CALCULATED
    After the 6 most similar AMD days since Nov 17, 2021, the stock was higher 5 days later 2 of 6 timesHistory, not a forecast. · How: same-company days with a move of similar size and direction

Advanced Micro Devices (AMD) financials and filings →

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Statistics only, not investment advice. Past moves don’t predict future ones. Data as of Nov 5, 2026, 4:35 PM ET.