CAML vs. VOO

Last updated Jun 3, 2026

CAML (Congress Large Cap Growth ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - CAML is a Large Cap Growth Equities fund actively managed by Congress, while VOO is a S&P 500 fund tracking the S&P 500 Index. CAML is actively managed, while VOO is passively managed. Over the past year, CAML returned 16.70% vs 29.68% for VOO. Their correlation of 0.92 suggests significant overlap in exposure. CAML charges 0.65%/yr vs 0.03%/yr for VOO.

Performance

CAML vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Congress Large Cap Growth ETF (CAML) 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, CAML achieves a 6.73% return, which is significantly lower than VOO's 11.69% return.

CAML

• 1D: 0.15%
• 1M: 4.38%
• YTD: 6.73%
• 6M: 5.07%
• 1Y: 16.70%
• 3Y*: —
• 5Y*: —
• 10Y*: —

VOO

• 1D: 0.14%
• 1M: 5.39%
• YTD: 11.69%
• 6M: 12.11%
• 1Y: 29.68%
• 3Y*: 22.73%
• 5Y*: 14.26%
• 10Y*: 15.65%

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

CAML vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
CAML Congress Large Cap Growth ETF	6.73%	12.43%	23.24%	10.13%
VOO Vanguard S&P 500 ETF	11.69%	17.82%	24.98%	9.36%

Correlation

The correlation between CAML and VOO is 0.91, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.91
Correlation (All Time) Calculated using the full available price history since Aug 23, 2023	0.92

The correlation between CAML and VOO has been stable across timeframes, ranging from 0.91 to 0.92 - a consistent structural relationship.

CAML vs. VOO - Sectors Allocation Comparison

Sectors	CAML	VOO
Technology	44.2%	35.7%
Consumer Cyclical	9.9%	10.2%
Communication Services	9.5%	11.3%
Financial Services	8.6%	11.6%
Industrials	8.2%	8.3%
Healthcare	6.2%	8.5%
Utilities	3.4%	2.4%
Real Estate	2.4%	1.9%
Consumer Defensive	2.3%	4.9%
Energy	2.2%	3.5%
Basic Materials	2.0%	1.8%

Return for Risk

CAML vs. VOO — Risk / Return Rank

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

CAML

CAML Risk / Return Rank: 29
CAML Sharpe Ratio Rank: 31
CAML Sortino Ratio Rank: 31
CAML Omega Ratio Rank: 30
CAML Calmar Ratio Rank: 24
CAML Martin Ratio Rank: 27

VOO

VOO Risk / Return Rank: 75
VOO Sharpe Ratio Rank: 77
VOO Sortino Ratio Rank: 75
VOO Omega Ratio Rank: 76
VOO Calmar Ratio Rank: 68
VOO 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.

CAML vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Congress Large Cap Growth ETF (CAML) 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.

	CAML	VOO	Difference
Sharpe ratio Return per unit of total volatility	1.15	2.53	-1.38
Sortino ratio Return per unit of downside risk	1.68	3.43	-1.75
Omega ratio Gain probability vs. loss probability	1.20	1.46	-0.26
Calmar ratio Return relative to maximum drawdown	1.16	3.42	-2.25
Martin ratio Return relative to average drawdown	3.84	15.95	-12.10
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CAML vs. VOO - Sharpe Ratio Comparison

The current CAML Sharpe Ratio is 1.15, which is lower than the VOO Sharpe Ratio of 2.53. The chart below compares the historical Sharpe Ratios of CAML 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.

Sharpe Ratios by Period

	CAML	VOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.15	2.53	-1.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.85	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.87	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.09	0.89	+0.20

Drawdowns

CAML vs. VOO - Drawdown Comparison

The maximum CAML drawdown since its inception was -21.06%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for CAML and VOO.

Drawdown Indicators

	CAML	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-21.06%	-33.99%	+12.93%
Max Drawdown (1Y) Largest decline over 1 year	-14.86%	-8.90%	-5.96%
Max Drawdown (3Y) Largest decline over 3 years	—	-18.69%	—
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	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-3.08%	-3.69%	+0.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.50%	1.91%	+2.59%

Volatility

CAML vs. VOO - Volatility Comparison

Congress Large Cap Growth ETF (CAML) has a higher volatility of 3.59% compared to Vanguard S&P 500 ETF (VOO) at 2.74%. This indicates that CAML'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

	CAML	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.59%	2.74%	+0.85%
Volatility (6M) Calculated over the trailing 6-month period	11.35%	8.88%	+2.47%
Volatility (1Y) Calculated over the trailing 1-year period	14.61%	11.78%	+2.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.76%	16.81%	+0.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.76%	18.01%	-0.25%

CAML vs. VOO - Expense Ratio Comparison

CAML has a 0.65% expense ratio, which is higher than VOO's 0.03% expense ratio.

Dividends

CAML vs. VOO - Dividend Comparison

CAML has not paid dividends to shareholders, while VOO's dividend yield for the trailing twelve months is around 1.02%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CAML Congress Large Cap Growth ETF	0.00%	0.00%	0.06%	0.15%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VOO Vanguard S&P 500 ETF	1.02%	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 CAML and VOO in my portfolio?

With a correlation of 0.91, CAML 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, CAML or VOO?

CAML has higher volatility (3.59%) compared to VOO (2.74%). In terms of maximum drawdown, CAML dropped -21.06% vs VOO's -33.99%.

Which ETF is better, CAML or VOO?

On 1-year performance, VOO leads with 29.68% vs 16.70% for CAML. On fees, VOO is cheaper at 0.03% per year. On volatility, VOO has been the lower-risk option at 2.74%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CAML or VOO?

Over the 1-year period, VOO has performed better with a 29.68% return vs 16.70%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CAML or VOO?

VOO is cheaper with a 0.03% expense ratio, compared with 0.65% for CAML.

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

VOO has the higher dividend yield at 1.02%, compared with 0.00% for CAML.

What is the main difference between CAML and VOO?

CAML is categorized as Large Cap Growth Equities, while VOO is S&P 500. They also come from different issuers: Congress and Vanguard. Their fees differ too: 0.65% for CAML and 0.03% for VOO.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (2.53 vs 1.15), 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.