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International Business Machines Corp (IBM) stock

IBMNYSEComputer & office EquipmentFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Jul 23, 2026Score 18/300% below fair value
$258.28+5.06 (+2.00%)

Close on Oct 29, 2026Market cap $243.33BP/E 22.9Yield 2.60%

Price history

International Business Machines share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 29, 2026
$258.28
+2.00% on the day
52-week range
$199.19 – $332.46
-22.3% from the high
Change over 52 weeks
-16.2%
From $308.21 on Oct 29, 2025
Average volume
7.63M
Shares a day, last 90 sessions
DateOpenHighLowCloseChangeVolume
Oct 29, 2026$249.98$258.33$247.80$258.28+2.00%3,926,178
Oct 28, 2026$248.49$253.85$247.67$253.22+1.19%3,703,266
Oct 27, 2026$252.34$253.18$249.12$250.25-1.26%3,656,364
Oct 26, 2026$253.01$256.00$250.80$253.44-0.05%3,745,718
Oct 23, 2026$249.74$254.71$247.03$253.56+0.58%5,888,326
Oct 22, 2026$241.29$256.30$240.00$252.11+0.26%11,617,316
Oct 21, 2026$241.91$251.75$240.62$251.46+3.94%9,912,014
Oct 20, 2026$236.01$242.52$236.00$241.92+2.34%5,749,046
Oct 19, 2026$230.68$238.38$229.30$236.39+1.83%4,908,741
Oct 16, 2026$236.05$236.98$230.25$232.14-0.85%6,955,832
Oct 15, 2026$226.36$234.14$226.01$234.12+2.74%5,595,507
Oct 14, 2026$231.13$233.14$227.49$227.88-1.26%4,049,336
Oct 13, 2026$228.22$233.50$227.28$230.78+1.66%5,120,808
Oct 12, 2026$228.31$229.29$224.77$227.02-0.05%2,764,896
Oct 9, 2026$225.87$228.76$224.05$227.13+0.23%3,352,852
Oct 8, 2026$220.15$227.31$217.80$226.61+2.77%8,929,854
Oct 7, 2026$221.90$222.41$218.79$220.51-0.35%3,895,498
Oct 6, 2026$222.71$224.51$221.00$221.29-0.13%3,938,659
Oct 5, 2026$222.30$222.88$220.30$221.58-0.48%6,318,079
Oct 2, 2026$225.51$225.92$221.63$222.64-1.32%7,756,783
Oct 1, 2026$230.76$234.27$224.50$225.62+2.59%8,884,106
Sep 30, 2026$220.70$222.33$218.60$219.93-0.03%4,569,780
Sep 29, 2026$220.87$223.12$219.91$219.99-0.31%3,766,484
Sep 28, 2026$222.50$223.14$219.23$220.67-2.15%5,291,533
Sep 25, 2026$226.15$228.99$225.19$225.51-0.68%4,147,450
Sep 24, 2026$232.00$232.62$226.01$227.06-2.45%4,149,576
Sep 23, 2026$233.47$237.86$232.53$232.76+0.60%4,539,609
Sep 22, 2026$234.47$236.20$230.08$231.38-0.24%4,808,839
Sep 21, 2026$231.99$234.70$228.35$231.93+1.04%8,200,086
Sep 18, 2026$237.85$237.89$229.38$229.55-3.45%13,413,822

Seasonality

IBM return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average6.0%-3.4%0.5%-1.7%3.8%2.5%-2.0%0.8%1.7%-0.4%6.1%-0.3%
Months up7 of 104 of 106 of 103 of 107 of 107 of 105 of 106 of 105 of 105 of 108 of 93 of 9
20263.5%-21.2%0.9%-4.7%29.9%-5.6%-20.5%5.3%-6.0%17.4%
202516.3%-0.6%-1.5%-2.8%7.8%13.8%-14.1%-3.2%15.9%8.9%0.9%-4.0%
202412.3%1.7%3.2%-13.0%1.4%3.7%11.1%6.1%9.4%-6.5%10.9%-3.3%
2023-4.4%-2.9%1.4%-3.6%3.1%4.1%7.7%3.0%-4.4%3.1%10.9%3.1%
2022-0.1%-7.2%6.1%1.7%6.3%1.7%-7.4%-0.6%-7.5%16.4%9.0%-5.4%
2021-5.4%1.2%12.0%6.5%2.4%2.0%-3.8%0.7%-1.0%-10.0%-0.8%14.1%
20207.2%-8.5%-14.8%13.2%0.8%-3.3%1.8%1.6%-1.3%-8.2%12.2%1.9%
201918.3%4.0%2.2%-0.6%-8.4%8.6%7.5%-7.5%7.3%-8.0%1.7%-0.3%
20186.7%-3.9%-1.5%-5.5%-1.4%-1.1%3.7%2.2%3.2%-23.7%9.0%-8.5%
20175.1%3.9%-3.2%-8.0%-3.8%0.8%-6.0%-0.1%1.4%6.2%0.9%-0.4%