USCL vs. VOO

Last updated Jun 24, 2026

USCL (Ishares Climate Conscious & Transition MSCI USA ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - USCL is a Large Cap Blend Equities fund tracking the MSCI USA Extended Climate Action Index - Benchmark TR Gross, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 3 years, USCL returned 18.71%/yr vs 20.78%/yr for VOO. With a 0.98 correlation, they move nearly in lockstep. USCL charges 0.08%/yr vs 0.03%/yr for VOO.

Performance

USCL vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ishares Climate Conscious & Transition MSCI USA ETF (USCL) 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, USCL achieves a 3.65% return, which is significantly lower than VOO's 8.19% return.

USCL

• 1D: -1.15%
• 1M: -1.94%
• YTD: 3.65%
• 6M: 2.63%
• 1Y: 15.61%
• 3Y*: 18.71%
• 5Y*: —
• 10Y*: —

VOO

• 1D: -1.42%
• 1M: -1.34%
• YTD: 8.19%
• 6M: 7.24%
• 1Y: 23.69%
• 3Y*: 20.78%
• 5Y*: 13.13%
• 10Y*: 15.61%

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

USCL vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
USCL Ishares Climate Conscious & Transition MSCI USA ETF	3.65%	14.26%	27.04%	12.71%
VOO Vanguard S&P 500 ETF	8.19%	17.82%	24.98%	12.75%

Correlation

The correlation between USCL and VOO is 0.97 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.97
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (All Time) Calculated using the full available price history since Jun 8, 2023	0.98

The correlation between USCL and VOO has been stable across timeframes, ranging from 0.97 to 0.98 - a consistent structural relationship.

USCL vs. VOO - Sectors Allocation Comparison

Sectors	USCL	VOO
Technology	41.1%	39.1%
Communication Services	11.9%	10.5%
Consumer Cyclical	10.1%	9.8%
Financial Services	9.3%	10.9%
Healthcare	9.1%	8.3%
Industrials	6.9%	7.6%
Consumer Defensive	4.1%	4.5%
Utilities	2.0%	2.5%
Energy	1.8%	3.2%
Real Estate	1.8%	1.8%
Basic Materials	1.6%	1.7%

Return for Risk

USCL vs. VOO — Risk / Return Rank

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

USCL

USCL Risk / Return Rank: 35
USCL Sharpe Ratio Rank: 36
USCL Sortino Ratio Rank: 34
USCL Omega Ratio Rank: 34
USCL Calmar Ratio Rank: 32
USCL Martin Ratio Rank: 39

VOO

VOO Risk / Return Rank: 59
VOO Sharpe Ratio Rank: 59
VOO Sortino Ratio Rank: 56
VOO Omega Ratio Rank: 58
VOO Calmar Ratio Rank: 56
VOO Martin Ratio Rank: 67

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.

USCL vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ishares Climate Conscious & Transition MSCI USA ETF (USCL) 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.

	USCL	VOO	Difference
Sharpe ratio: Return per unit of total volatility	1.24	1.91	-0.68
Sortino ratio: Return per unit of downside risk	1.73	2.60	-0.87
Omega ratio: Gain probability vs. loss probability	1.22	1.35	-0.12
Calmar ratio: Return relative to maximum drawdown	1.53	2.67	-1.14
Martin ratio: Return relative to average drawdown	5.87	11.96	-6.09

USCL vs. VOO - Sharpe Ratio Comparison

The current USCL Sharpe Ratio is 1.24, which is lower than the VOO Sharpe Ratio of 1.91. The chart below compares the historical Sharpe Ratios of USCL 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

USCL vs. VOO - Drawdown Comparison

The maximum USCL drawdown since its inception was -19.00%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for USCL and VOO.

Drawdown Indicators

	USCL	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-19.00%	-33.99%	+14.99%
Max Drawdown (1Y) Largest decline over 1 year	-10.24%	-8.90%	-1.34%
Max Drawdown (3Y) Largest decline over 3 years	-19.00%	-18.69%	-0.31%
Max Drawdown (5Y) Largest decline over 5 years	—	-24.52%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.99%	—
Current Drawdown Current decline from peak	-3.99%	-3.14%	-0.85%
Average Drawdown Average peak-to-trough decline	-2.28%	-3.68%	+1.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.67%	1.99%	+0.68%

Volatility

USCL vs. VOO - Volatility Comparison

Ishares Climate Conscious & Transition MSCI USA ETF (USCL) and Vanguard S&P 500 ETF (VOO) have volatilities of 4.93% and 4.83%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	USCL	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.93%	4.83%	+0.10%
Volatility (6M) Calculated over the trailing 6-month period	9.91%	9.82%	+0.09%
Volatility (1Y) Calculated over the trailing 1-year period	12.73%	12.46%	+0.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.94%	16.91%	-1.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.94%	18.02%	-3.08%

USCL vs. VOO - Expense Ratio Comparison

USCL has a 0.08% expense ratio, which is higher than VOO's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

USCL vs. VOO - Dividend Comparison

USCL's dividend yield for the trailing twelve months is around 1.13%, more than VOO's 1.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
USCL Ishares Climate Conscious & Transition MSCI USA ETF	1.13%	1.10%	1.18%	0.85%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VOO Vanguard S&P 500 ETF	1.05%	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 USCL and VOO in my portfolio?

With a correlation of 0.97, USCL and VOO move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, USCL or VOO?

USCL has higher volatility (4.93%) compared to VOO (4.83%). In terms of maximum drawdown, USCL dropped -19.00% vs VOO's -33.99%.

Which ETF is better, USCL or VOO?

On 3-year performance, VOO leads with 20.78% vs 18.71% for USCL. On fees, VOO is cheaper at 0.03% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, USCL or VOO?

Over the 3-year period, VOO has performed better with a 20.78% return vs 18.71%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, USCL or VOO?

VOO is cheaper with a 0.03% expense ratio, compared with 0.08% for USCL.

Which ETF pays a higher dividend yield, USCL or VOO?

USCL has the higher dividend yield at 1.13%, compared with 1.05% for VOO.

What is the main difference between USCL and VOO?

USCL is categorized as Large Cap Blend Equities, while VOO is S&P 500. USCL tracks MSCI USA Extended Climate Action Index - Benchmark TR Gross, while VOO tracks S&P 500 Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.08% for USCL and 0.03% for VOO.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (1.91 vs 1.24), 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.