ITRI vs. VOO

Last updated Aug 1, 2026

ITRI (Itron, Inc.) is a stock, while VOO (Vanguard S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, ITRI returned 8.86%/yr vs 15.14%/yr for VOO. Their 0.59 correlation means they have sometimes moved together and sometimes differently.

Performance

ITRI vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Itron, Inc. (ITRI) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ITRI achieves a 7.32% return, which is significantly lower than VOO's 10.16% return. Over the past 10 years, ITRI has underperformed VOO with an annualized return of 8.86%, while VOO has yielded a comparatively higher 15.14% annualized return.

ITRI

• 1D: 0.82%
• 1M: 17.10%
• 6M: 0.59%
• YTD: 7.32%
• 1Y: -19.09%
• 3Y*: 8.28%
• 5Y*: 0.21%
• 10Y*: 8.86%
• ALL TIME*: 6.24%

VOO

• 1D: 0.71%
• 1M: 0.26%
• 6M: 8.58%
• YTD: 10.16%
• 1Y: 21.58%
• 3Y*: 19.42%
• 5Y*: 12.83%
• 10Y*: 15.14%
• ALL TIME*: 14.78%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
ITRI Itron, Inc.	$165.29M	$99.31M	$71.39M
VOO Vanguard S&P 500 ETF	$3.82B	$3.78B	$5.44B

ITRI vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ITRI Itron, Inc.	7.32%	-14.48%	43.80%	49.08%	-26.08%	-28.55%	14.23%	77.52%	-30.66%	8.51%
VOO Vanguard S&P 500 ETF	10.16%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%

Correlation

The correlation between ITRI and VOO is 0.55, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.55
Correlation (3Y) Balances recent behavior with more history.	0.56
Correlation (5Y) Shows whether the relationship held over a longer period.	0.61
Correlation (10Y) Provides a long-term view across more market conditions.	0.59
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010	0.59

The correlation between ITRI and VOO has been stable across timeframes, ranging from 0.55 to 0.61 - a consistent structural relationship.

Return for Risk

ITRI vs. VOO — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

ITRI

ITRI Risk / Return Rank: 27
ITRI Sharpe Ratio Rank: 25
ITRI Sortino Ratio Rank: 25
ITRI Omega Ratio Rank: 24
ITRI Calmar Ratio Rank: 28
ITRI Martin Ratio Rank: 31

VOO

VOO Risk / Return Rank: 68
VOO Sharpe Ratio Rank: 68
VOO Sortino Ratio Rank: 65
VOO Omega Ratio Rank: 66
VOO Calmar Ratio Rank: 64
VOO Martin Ratio Rank: 76

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

ITRI vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Itron, Inc. (ITRI) and Vanguard S&P 500 ETF (VOO). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	ITRI	VOO	Difference
Sharpe ratio: Return per unit of total volatility	-0.42	1.53	-1.96
Sortino ratio: Return per unit of downside risk	-0.35	2.13	-2.48
Omega ratio: Gain probability vs. loss probability	0.95	1.28	-0.33
Calmar ratio: Return relative to maximum drawdown	-0.46	2.21	-2.67
Martin ratio: Return relative to average drawdown	-0.68	9.44	-10.12

ITRI vs. VOO - Sharpe Ratio Comparison

The current ITRI Sharpe Ratio is -0.42, which is lower than the VOO Sharpe Ratio of 1.53. The chart below compares the historical Sharpe Ratios of ITRI and VOO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

ITRI vs. VOO - Drawdown Comparison

The maximum ITRI drawdown since its inception was -94.36%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for ITRI and VOO.

Drawdown Indicators

	ITRI	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-94.36%	-33.99%	-60.37%
Max Drawdown (1Y) Largest decline over 1 year	-43.54%	-8.90%	-34.64%
Max Drawdown (3Y) Largest decline over 3 years	-43.64%	-18.69%	-24.95%
Max Drawdown (5Y) Largest decline over 5 years	-57.21%	-24.52%	-32.69%
Max Drawdown (10Y) Largest decline over 10 years	-65.26%	-33.99%	-31.27%
Current Drawdown Current decline from peak	-28.00%	-1.38%	-26.62%
Average Drawdown Average peak-to-trough decline	-46.54%	-3.67%	-42.87%
Ulcer Index Depth and duration of drawdowns from previous peaks	29.25%	2.08%	+27.17%

Volatility

ITRI vs. VOO - Volatility Comparison

Itron, Inc. (ITRI) has a higher volatility of 24.91% compared to Vanguard S&P 500 ETF (VOO) at 3.54%. This indicates that ITRI's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ITRI	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	24.91%	3.54%	+21.37%
Volatility (6M) Calculated over the trailing 6-month period	35.26%	10.10%	+25.16%
Volatility (1Y) Calculated over the trailing 1-year period	48.38%	12.82%	+35.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	44.31%	16.93%	+27.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	44.08%	18.01%	+26.07%

Dividends

ITRI vs. VOO - Dividend Comparison

ITRI has not paid dividends to shareholders, while VOO's dividend yield for the trailing twelve months is around 1.07%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ITRI Itron, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VOO Vanguard S&P 500 ETF	1.07%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both ITRI and VOO in my portfolio?

ITRI and VOO have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ITRI or VOO?

ITRI has higher volatility (24.91%) compared to VOO (3.54%). In terms of maximum drawdown, ITRI dropped -94.36% vs VOO's -33.99%.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (1.53 vs -0.42), 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.