PSX vs. IVV

Last updated Jun 3, 2026

PSX (Phillips 66) is a stock, while IVV (iShares Core S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, PSX returned 12.75%/yr vs 15.62%/yr for IVV. At a 0.44 correlation, their price movements are largely independent.

Performance

PSX vs. IVV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Phillips 66 (PSX) and iShares Core S&P 500 ETF (IVV). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PSX achieves a 43.67% return, which is significantly higher than IVV's 11.70% return. Over the past 10 years, PSX has underperformed IVV with an annualized return of 12.75%, while IVV has yielded a comparatively higher 15.62% annualized return.

PSX

• 1D: 1.29%
• 1M: 4.37%
• YTD: 43.67%
• 6M: 34.77%
• 1Y: 65.22%
• 3Y*: 27.76%
• 5Y*: 19.84%
• 10Y*: 12.75%

IVV

• 1D: 0.14%
• 1M: 5.39%
• YTD: 11.70%
• 6M: 12.12%
• 1Y: 29.71%
• 3Y*: 22.74%
• 5Y*: 14.26%
• 10Y*: 15.62%

*Multi-year figures are annualized to reflect compound growth (CAGR)

PSX vs. IVV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PSX Phillips 66	43.67%	17.51%	-11.63%	33.07%	49.58%	8.51%	-33.85%	33.97%	-12.28%	20.94%
IVV iShares Core S&P 500 ETF	11.70%	17.85%	24.93%	26.31%	-18.16%	28.76%	18.40%	31.07%	-4.49%	21.75%

Correlation

The correlation between PSX and IVV is -0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.02
Correlation (3Y) Calculated over the trailing 3-year period	0.19
Correlation (5Y) Calculated over the trailing 5-year period	0.28
Correlation (10Y) Calculated over the trailing 10-year period	0.39
Correlation (All Time) Calculated using the full available price history since May 2, 2012	0.44

The correlation between PSX and IVV shifts across timeframes, from -0.02 (1 year) to 0.44 (all time), reflecting how their relationship changes across market environments.

Return for Risk

PSX vs. IVV — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

PSX

PSX Risk / Return Rank: 87
PSX Sharpe Ratio Rank: 89
PSX Sortino Ratio Rank: 86
PSX Omega Ratio Rank: 85
PSX Calmar Ratio Rank: 86
PSX Martin Ratio Rank: 88

IVV

IVV Risk / Return Rank: 75
IVV Sharpe Ratio Rank: 77
IVV Sortino Ratio Rank: 75
IVV Omega Ratio Rank: 77
IVV Calmar Ratio Rank: 68
IVV Martin Ratio Rank: 80

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

PSX vs. IVV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Phillips 66 (PSX) and iShares Core S&P 500 ETF (IVV). 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.

	PSX	IVV	Difference
Sharpe ratio Return per unit of total volatility	2.21	2.54	-0.32
Sortino ratio Return per unit of downside risk	2.87	3.44	-0.57
Omega ratio Gain probability vs. loss probability	1.36	1.46	-0.10
Calmar ratio Return relative to maximum drawdown	3.84	3.43	+0.41
Martin ratio Return relative to average drawdown	11.14	15.97	-4.83
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PSX vs. IVV - Sharpe Ratio Comparison

The current PSX Sharpe Ratio is 2.21, which is comparable to the IVV Sharpe Ratio of 2.54. The chart below compares the historical Sharpe Ratios of PSX and IVV, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	PSX	IVV	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.21	2.54	-0.32
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.60	0.85	-0.25
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.36	0.87	-0.51
Sharpe Ratio (All Time) Calculated using the full available price history	0.50	0.46	+0.05

Drawdowns

PSX vs. IVV - Drawdown Comparison

The maximum PSX drawdown since its inception was -64.21%, which is greater than IVV's maximum drawdown of -55.25%. Use the drawdown chart below to compare losses from any high point for PSX and IVV.

Drawdown Indicators

	PSX	IVV	Difference
Max Drawdown Largest peak-to-trough decline	-64.21%	-55.25%	-8.96%
Max Drawdown (1Y) Largest decline over 1 year	-17.28%	-8.89%	-8.39%
Max Drawdown (3Y) Largest decline over 3 years	-44.37%	-18.75%	-25.62%
Max Drawdown (5Y) Largest decline over 5 years	-44.37%	-24.53%	-19.84%
Max Drawdown (10Y) Largest decline over 10 years	-64.21%	-33.90%	-30.31%
Current Drawdown Current decline from peak	-2.33%	0.00%	-2.33%
Average Drawdown Average peak-to-trough decline	-14.75%	-10.78%	-3.97%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.96%	1.91%	+4.05%

Volatility

PSX vs. IVV - Volatility Comparison

Phillips 66 (PSX) has a higher volatility of 9.68% compared to iShares Core S&P 500 ETF (IVV) at 2.75%. This indicates that PSX's price experiences larger fluctuations and is considered to be riskier than IVV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSX	IVV	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.68%	2.75%	+6.93%
Volatility (6M) Calculated over the trailing 6-month period	23.73%	8.87%	+14.86%
Volatility (1Y) Calculated over the trailing 1-year period	29.65%	11.78%	+17.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.22%	16.88%	+16.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.32%	18.05%	+17.27%

Dividends

PSX vs. IVV - Dividend Comparison

PSX's dividend yield for the trailing twelve months is around 2.71%, more than IVV's 1.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IVV iShares Core S&P 500 ETF	1.06%	1.17%	1.30%	1.44%	1.66%	1.20%	1.57%	1.85%	2.21%	1.75%	2.01%	2.27%
PSX Phillips 66	2.71%	3.68%	3.95%	3.15%	3.68%	5.00%	5.15%	3.14%	3.60%	2.70%	2.84%	2.67%

Frequently Asked Questions

Can I hold both PSX and IVV in my portfolio?

PSX and IVV have a correlation of -0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PSX or IVV?

PSX has higher volatility (9.68%) compared to IVV (2.75%). In terms of maximum drawdown, PSX dropped -64.21% vs IVV's -55.25%.

Which has better risk-adjusted returns?

IVV currently has the higher Sharpe Ratio (2.54 vs 2.21), 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.