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HUM +12.1%: one of its biggest daily moves this year. HUMANA INC moved 10.5 points more than its sector, on 3.2× its usual volume.

2026-10-09 · HUM

HUM +12.1%: one of its biggest daily moves this year

HUMANA INC moved 10.5 points more than its sector, on 3.2× its usual volume.

The story in plain words

Friday, October 9, 2026. HUM +12.1%: one of its biggest daily moves this year. HUMANA INC moved 10.5 points more than its sector, on 3.2× its usual volume.

What the data shows for Humana (HUM): HUM +12.1% today. Its sector fund (XLV) +1.6% today. S&P 500 (SPY) +0.6% today.

Worked out from that data: 10.5 points more than its sector. Volume 3.2× its 20-day average. Its biggest daily move in the past 250 trading days. After the 7 most similar HUM days since Oct 21, 2021, the stock was higher 5 days later 3 of 7 times (History, not a forecast).

Possible contributors. These line up in time with the move; they are not confirmed causes: News: “Discover which S&P500 stocks are making waves on Friday.” (Published around the move. Timing only, not a confirmed cause). News: “Sector Update: Healthcare Stocks Gain Friday Afternoon” (Published around the move. Timing only, not a confirmed cause). 8-K filed: Regulation FD disclosure (Filed around the move. Timing only).

About the company: Humana trades as HUM and is part of the S&P 500, in the Health Care sector (Managed Health Care), headquartered in Louisville, Kentucky, founded in 1961.

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
    HUM +12.1% todayOct 9, 2026, 4:35 PM ET
  • OBSERVED
    Its sector fund (XLV) +1.6% todayOct 9, 2026, 4:35 PM ET
  • CALCULATED
    10.5 points more than its sectorHow: stock return − sector fund return · Oct 9, 2026, 4:35 PM ET
  • OBSERVED
    S&P 500 (SPY) +0.6% todayOct 9, 2026, 4:35 PM ET
  • CALCULATED
    Volume 3.2× its 20-day averageHow: today’s volume ÷ average of the last 20 days · Oct 9, 2026, 4:35 PM ET
  • CALCULATED
    Its biggest daily move in the past 250 trading daysHow: share of past daily moves smaller in size · Oct 9, 2026, 4:35 PM ET
  • POSSIBLE CONTRIBUTOR
    News: “Discover which S&P500 stocks are making waves on Friday.”Published around the move. Timing only, not a confirmed cause. · Oct 9, 2026, 3:05 PM ET
  • POSSIBLE CONTRIBUTOR
    News: “Sector Update: Healthcare Stocks Gain Friday Afternoon”Published around the move. Timing only, not a confirmed cause. · Oct 9, 2026, 1:50 PM ET
  • POSSIBLE CONTRIBUTOR
    8-K filed: Regulation FD disclosureFiled around the move. Timing only. · Source: SEC EDGAR · Oct 9, 2026, 4:00 PM ET
  • CALCULATED
    After the 7 most similar HUM days since Oct 21, 2021, the stock was higher 5 days later 3 of 7 timesHistory, not a forecast. · How: same-company days with a move of similar size and direction

Humana (HUM) financials and filings →

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Statistics only, not investment advice. Past moves don’t predict future ones. Data as of Oct 9, 2026, 4:35 PM ET.