IBM vs. PSX
IBM (International Business Machines Corporation) and PSX (Phillips 66) are both stocks. IBM operates in Information Technology Services (Technology), while PSX operates in Oil & Gas Refining & Marketing (Energy). Over the past 10 years, IBM returned 11.43%/yr vs 12.61%/yr for PSX. At a 0.37 correlation, their price movements are largely independent.
Performance
IBM vs. PSX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, IBM achieves a -2.58% return, which is significantly lower than PSX's 44.08% return. Over the past 10 years, IBM has underperformed PSX with an annualized return of 11.43%, while PSX has yielded a comparatively higher 12.61% annualized return.
IBM
- 1D
- -5.61%
- 1M
- 23.97%
- YTD
- -2.58%
- 6M
- -6.29%
- 1Y
- 8.65%
- 3Y*
- 33.23%
- 5Y*
- 19.70%
- 10Y*
- 11.43%
PSX
- 1D
- -0.58%
- 1M
- 7.49%
- YTD
- 44.08%
- 6M
- 33.41%
- 1Y
- 65.68%
- 3Y*
- 27.98%
- 5Y*
- 19.31%
- 10Y*
- 12.61%
IBM vs. PSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IBM International Business Machines Corporation | -2.58% | 38.23% | 39.27% | 21.85% | 10.64% | 16.65% | -1.16% | 23.58% | -22.56% | -3.99% |
PSX Phillips 66 | 44.08% | 17.51% | -11.63% | 33.07% | 49.58% | 8.51% | -33.85% | 33.97% | -12.28% | 20.94% |
Correlation
The correlation between IBM and PSX is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.12 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.21 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.29 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.35 |
Correlation (All Time) Calculated using the full available price history since May 2, 2012 | 0.37 |
Over the past year, the correlation between IBM and PSX has dropped to 0.12 - well below their long-term average of 0.37, suggesting their price drivers have been diverging.
Fundamentals
IBM:
$271.20B
PSX:
$73.83B
IBM:
$11.32
PSX:
$10.17
IBM:
25.16
PSX:
18.00
IBM:
0.30
PSX:
0.10
IBM:
3.93
PSX:
0.55
IBM:
8.22
PSX:
2.59
IBM:
$68.91B
PSX:
$134.70B
IBM:
$40.64B
PSX:
$5.94B
IBM:
$15.71B
PSX:
$9.17B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
IBM vs. PSX — Risk / Return Rank
IBM
PSX
IBM vs. PSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for International Business Machines Corporation (IBM) and Phillips 66 (PSX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| IBM | PSX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.10 | ||
| Sortino ratioReturn per unit of downside risk | -2.40 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.38 | -0.30 |
| Calmar ratioReturn relative to maximum drawdown | 0.31 | 4.00 | -3.69 |
| Martin ratioReturn relative to average drawdown | 0.67 | 11.57 | -10.91 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| IBM | PSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.24 | 2.34 | -2.10 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.73 | 0.58 | +0.15 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.43 | 0.36 | +0.07 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.30 | 0.50 | -0.21 |
Drawdowns
IBM vs. PSX - Drawdown Comparison
The maximum IBM drawdown since its inception was -69.40%, which is greater than PSX's maximum drawdown of -64.21%. Use the drawdown chart below to compare losses from any high point for IBM and PSX.
Loading charts...
Drawdown Indicators
| IBM | PSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -69.40% | -64.21% | -5.19% |
Max Drawdown (1Y)Largest decline over 1 year | -30.96% | -17.28% | -13.68% |
Max Drawdown (3Y)Largest decline over 3 years | -30.96% | -44.37% | +13.41% |
Max Drawdown (5Y)Largest decline over 5 years | -30.96% | -44.37% | +13.41% |
Max Drawdown (10Y)Largest decline over 10 years | -40.59% | -64.21% | +23.62% |
Current DrawdownCurrent decline from peak | -13.48% | -2.06% | -11.42% |
Average DrawdownAverage peak-to-trough decline | -20.12% | -14.74% | -5.38% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 14.20% | 5.96% | +8.24% |
Volatility
IBM vs. PSX - Volatility Comparison
International Business Machines Corporation (IBM) has a higher volatility of 21.74% compared to Phillips 66 (PSX) at 8.15%. This indicates that IBM's price experiences larger fluctuations and is considered to be riskier than PSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| IBM | PSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 21.74% | 8.15% | +13.59% |
Volatility (6M)Calculated over the trailing 6-month period | 34.56% | 23.59% | +10.97% |
Volatility (1Y)Calculated over the trailing 1-year period | 39.43% | 29.47% | +9.96% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 27.14% | 33.19% | -6.05% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 26.57% | 35.31% | -8.74% |
Dividends
IBM vs. PSX - Dividend Comparison
IBM's dividend yield for the trailing twelve months is around 2.36%, less than PSX's 2.70% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBM International Business Machines Corporation | 2.36% | 2.27% | 3.03% | 4.05% | 4.68% | 4.74% | 5.17% | 4.80% | 5.46% | 3.85% | 3.31% | 3.63% |
PSX Phillips 66 | 2.70% | 3.68% | 3.95% | 3.15% | 3.68% | 5.00% | 5.15% | 3.14% | 3.60% | 2.70% | 2.84% | 2.67% |
Financials
IBM vs. PSX - Financials Comparison
This section allows you to compare key financial metrics between International Business Machines Corporation and Phillips 66. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
IBM vs. PSX - Profitability Comparison
IBM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, International Business Machines Corporation reported a gross profit of 8.95B and revenue of 15.92B. Therefore, the gross margin over that period was 56.2%.
PSX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Phillips 66 reported a gross profit of 0.00 and revenue of 33.00B. Therefore, the gross margin over that period was 0.0%.
IBM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, International Business Machines Corporation reported an operating income of 1.22B and revenue of 15.92B, resulting in an operating margin of 7.6%.
PSX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Phillips 66 reported an operating income of 0.00 and revenue of 33.00B, resulting in an operating margin of 0.0%.
IBM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, International Business Machines Corporation reported a net income of 1.22B and revenue of 15.92B, resulting in a net margin of 7.6%.
PSX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Phillips 66 reported a net income of 207.00M and revenue of 33.00B, resulting in a net margin of 0.6%.
Frequently Asked Questions
IBM and PSX have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBM has higher volatility (21.74%) compared to PSX (8.15%). In terms of maximum drawdown, IBM dropped -69.40% vs PSX's -64.21%.
PSX currently has the higher Sharpe Ratio (2.34 vs 0.24), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for IBM and PSX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer