• Sep 16, 2026

  $237.49-4.38%

  IBM shares fell 4.38% while the broader market was little changed, with the S&P 500 ETF (SPY) moving just -0.44% the same session [1]. This indicates the decline was not shared by the broad market [1].

  • 1Broad market

• Sep 15, 2026

  $248.37-0.29%

• Sep 14, 2026

  $249.09+2.38%

  IBM shares rose 2.38% on the day while the broad market, as measured by the S&P 500 ETF (SPY), fell 0.45%, meaning the move was not shared by the broader market [1]. Trading volume was 1.6 times the trailing 20-day average, with shares ranging between 244.12 and 251.37 during the session [2].

  • 1Broad market
  • 2Market data

• Sep 11, 2026

  $243.29+3.96%

  IBM shares rose 3.96% while the broader market, as measured by the S&P 500 ETF (SPY), moved just 0.85% the same day [1]. The move was not shared by the broad market [1].

  • 1Broad market

• Sep 10, 2026

  $234.02-2.47%

  IBM shares fell 2.47% the day a news release reported that shareholder rights firm Hagens Berman was investigating potential securities law violations tied to a reported $68 billion market value decline amid a shortfall involving the company's Z line [1]. The decline came as the broad market, measured by the S&P 500 ETF (SPY), moved -0.60%, so the drop was not shared by the broad market [2].

  • 1Pr Newswire
  • 2Broad market

• Sep 9, 2026

  $239.94+3.38%

  IBM shares rose 3.38% on a day when the broad market, as measured by the S&P 500 ETF, moved -0.46%, meaning the gain was not shared by the wider market [1].

  • 1Broad market

• Sep 8, 2026

  $232.09-1.19%

Closing prices for IBM. Summaries describe past sessions only and are not advice, a forecast or a recommendation.

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