IBM Stock Performance Relative to Market Movements
International Business Machines (IBM) has outperformed the S&P 500 in recent weeks, rising 6.0% over five trading days while the index fell by 1.3%. However, a closer look reveals that IBM's performance is not consistently aligned with broader market trends. Over the past year, on up days for the S&P 500, IBM captured about 83% of gains but absorbed more than 100% of losses when the index declined. IBM has historically shown higher volatility compared to the S&P 500—annualized at 30.3%, versus 17.2%. Its daily movements have a low correlation (0.36) with the market, indicating much of its performance is driven by internal factors such as client behavior and product mix. A significant portion of IBM's software revenue comes from large enterprise clients who delayed transactions in Q2 2026 due to infrastructure spending shifts. Despite these challenges, over five years, IBM has delivered higher annualized returns (18.0%) than the S&P 500 (12.8%). However, its Sharpe ratio is only slightly better at 0.58 versus 0.55 for the index. Currently trading about 24% below its 52-week high, IBM offers a return stream that diverges from market movements but comes with higher risk and asymmetric downside exposure.
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Topics: IBM revenue breakdown S&P 500 correlation volatility analysis