ACSV vs. VIOV

Last updated Jun 24, 2026

ACSV (American Century Small Cap Value Insights ETF) and VIOV (Vanguard S&P Small-Cap 600 Value ETF) are both Small Cap Value Equities funds. ACSV is actively managed, while VIOV is passively managed. With a 0.95 correlation, they move nearly in lockstep. ACSV charges 0.49%/yr vs 0.10%/yr for VIOV.

Performance

ACSV vs. VIOV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Small Cap Value Insights ETF (ACSV) and Vanguard S&P Small-Cap 600 Value ETF (VIOV). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ACSV achieves a 19.42% return, which is significantly higher than VIOV's 18.17% return.

ACSV

• 1D: -0.13%
• 1M: 4.26%
• YTD: 19.42%
• 6M: 17.26%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

VIOV

• 1D: 0.54%
• 1M: 3.50%
• YTD: 18.17%
• 6M: 16.21%
• 1Y: 36.94%
• 3Y*: 15.78%
• 5Y*: 6.41%
• 10Y*: 10.72%

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

ACSV vs. VIOV - Yearly Performance Comparison

	2026 (YTD)	2025
ACSV American Century Small Cap Value Insights ETF	19.42%	0.92%
VIOV Vanguard S&P Small-Cap 600 Value ETF	18.17%	3.05%

Correlation

The correlation between ACSV and VIOV is 0.95 - 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 (All Time) Calculated using the full available price history since Oct 16, 2025	0.95

Return for Risk

ACSV vs. VIOV — Risk / Return Rank

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

ACSV

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

VIOV

VIOV Risk / Return Rank: 73
VIOV Sharpe Ratio Rank: 70
VIOV Sortino Ratio Rank: 72
VIOV Omega Ratio Rank: 64
VIOV Calmar Ratio Rank: 82
VIOV Martin Ratio Rank: 76

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.

ACSV vs. VIOV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Small Cap Value Insights ETF (ACSV) and Vanguard S&P Small-Cap 600 Value ETF (VIOV). 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.

	ACSV	VIOV	Difference
Sharpe ratio: Return per unit of total volatility	—	2.02	—
Sortino ratio: Return per unit of downside risk	—	2.90	—
Omega ratio: Gain probability vs. loss probability	—	1.35	—
Calmar ratio: Return relative to maximum drawdown	—	3.98	—
Martin ratio: Return relative to average drawdown	—	13.03	—

Drawdowns

ACSV vs. VIOV - Drawdown Comparison

The maximum ACSV drawdown since its inception was -7.39%, smaller than the maximum VIOV drawdown of -47.36%. Use the drawdown chart below to compare losses from any high point for ACSV and VIOV.

Drawdown Indicators

	ACSV	VIOV	Difference
Max Drawdown Largest peak-to-trough decline	-7.39%	-47.36%	+39.97%
Max Drawdown (1Y) Largest decline over 1 year	—	-9.33%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-28.44%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-28.44%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-47.36%	—
Current Drawdown Current decline from peak	-0.13%	-1.05%	+0.92%
Average Drawdown Average peak-to-trough decline	-1.73%	-7.36%	+5.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.84%	—

Volatility

Volatility by Period

	ACSV	VIOV	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	4.71%	—
Volatility (6M) Calculated over the trailing 6-month period	—	11.82%	—
Volatility (1Y) Calculated over the trailing 1-year period	16.24%	18.43%	-2.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.24%	21.89%	-5.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.24%	23.88%	-7.64%

ACSV vs. VIOV - Expense Ratio Comparison

ACSV has a 0.49% expense ratio, which is higher than VIOV's 0.10% expense ratio.

Dividends

ACSV vs. VIOV - Dividend Comparison

ACSV's dividend yield for the trailing twelve months is around 0.83%, less than VIOV's 1.55% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACSV American Century Small Cap Value Insights ETF	0.83%	0.43%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VIOV Vanguard S&P Small-Cap 600 Value ETF	1.55%	1.69%	1.78%	2.18%	1.81%	1.59%	1.42%	1.60%	1.76%	1.43%	1.17%	1.32%

Frequently Asked Questions

Can I hold both ACSV and VIOV in my portfolio?

With a correlation of 0.95, ACSV and VIOV 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 ETF is better, ACSV or VIOV?

On fees, VIOV is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ACSV or VIOV?

VIOV is cheaper with a 0.10% expense ratio, compared with 0.49% for ACSV.

Which ETF pays a higher dividend yield, ACSV or VIOV?

VIOV has the higher dividend yield at 1.55%, compared with 0.83% for ACSV.

What is the main difference between ACSV and VIOV?

They also come from different issuers: American Century and Vanguard. Their fees differ too: 0.49% for ACSV and 0.10% for VIOV.