VTEC vs. OVM

Last updated Jun 4, 2026

VTEC (Vanguard California Tax-Exempt Bond ETF) and OVM (Overlay Shares Municipal Bond ETF) are both Municipal Bonds funds. VTEC is passively managed, while OVM is actively managed. Over the past year, VTEC returned 6.69% vs 11.81% for OVM. A 0.58 correlation means they provide meaningful diversification when combined. VTEC charges 0.08%/yr vs 0.82%/yr for OVM.

Performance

VTEC vs. OVM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard California Tax-Exempt Bond ETF (VTEC) and Overlay Shares Municipal Bond ETF (OVM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VTEC achieves a 0.98% return, which is significantly lower than OVM's 3.96% return.

VTEC

• 1D: -0.05%
• 1M: 0.62%
• YTD: 0.98%
• 6M: 1.25%
• 1Y: 6.69%
• 3Y*: —
• 5Y*: —
• 10Y*: —

OVM

• 1D: -0.17%
• 1M: 1.10%
• YTD: 3.96%
• 6M: 4.16%
• 1Y: 11.81%
• 3Y*: 5.37%
• 5Y*: 1.59%
• 10Y*: —

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

VTEC vs. OVM - Yearly Performance Comparison

	2026 (YTD)	2025	2024
VTEC Vanguard California Tax-Exempt Bond ETF	0.98%	3.98%	1.42%
OVM Overlay Shares Municipal Bond ETF	3.96%	4.14%	2.93%

Correlation

The correlation between VTEC and OVM is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.57
Correlation (All Time) Calculated using the full available price history since Jan 31, 2024	0.58

The correlation between VTEC and OVM has been stable across timeframes, ranging from 0.57 to 0.58 - a consistent structural relationship.

Return for Risk

VTEC vs. OVM — Risk / Return Rank

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

VTEC

VTEC Risk / Return Rank: 66
VTEC Sharpe Ratio Rank: 73
VTEC Sortino Ratio Rank: 78
VTEC Omega Ratio Rank: 84
VTEC Calmar Ratio Rank: 48
VTEC Martin Ratio Rank: 47

OVM

OVM Risk / Return Rank: 88
OVM Sharpe Ratio Rank: 86
OVM Sortino Ratio Rank: 90
OVM Omega Ratio Rank: 90
OVM Calmar Ratio Rank: 86
OVM Martin Ratio Rank: 87

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.

VTEC vs. OVM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard California Tax-Exempt Bond ETF (VTEC) and Overlay Shares Municipal Bond ETF (OVM). 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.

	VTEC	OVM	Difference
Sharpe ratio: Return per unit of total volatility	2.39	2.85	-0.47
Sortino ratio: Return per unit of downside risk	3.53	4.24	-0.71
Omega ratio: Gain probability vs. loss probability	1.52	1.58	-0.07
Calmar ratio: Return relative to maximum drawdown	2.35	4.86	-2.51
Martin ratio: Return relative to average drawdown	7.83	18.92	-11.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VTEC vs. OVM - Sharpe Ratio Comparison

The current VTEC Sharpe Ratio is 2.39, which is comparable to the OVM Sharpe Ratio of 2.85. The chart below compares the historical Sharpe Ratios of VTEC and OVM, 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

	VTEC	OVM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.39	2.85	-0.47
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.30	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.73	0.43	+0.30

Drawdowns

VTEC vs. OVM - Drawdown Comparison

The maximum VTEC drawdown since its inception was -4.50%, smaller than the maximum OVM drawdown of -15.58%. Use the drawdown chart below to compare losses from any high point for VTEC and OVM.

Drawdown Indicators

	VTEC	OVM	Difference
Max Drawdown Largest peak-to-trough decline	-4.50%	-15.58%	+11.08%
Max Drawdown (1Y) Largest decline over 1 year	-2.85%	-2.44%	-0.41%
Max Drawdown (3Y) Largest decline over 3 years	—	-8.20%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-15.58%	—
Current Drawdown Current decline from peak	-0.82%	-0.17%	-0.65%
Average Drawdown Average peak-to-trough decline	-1.12%	-4.01%	+2.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.86%	0.63%	+0.23%

Volatility

VTEC vs. OVM - Volatility Comparison

The current volatility for Vanguard California Tax-Exempt Bond ETF (VTEC) is 0.86%, while Overlay Shares Municipal Bond ETF (OVM) has a volatility of 1.26%. This indicates that VTEC experiences smaller price fluctuations and is considered to be less risky than OVM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VTEC	OVM	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.86%	1.26%	-0.40%
Volatility (6M) Calculated over the trailing 6-month period	1.87%	3.36%	-1.49%
Volatility (1Y) Calculated over the trailing 1-year period	2.82%	4.16%	-1.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.76%	5.39%	-1.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.76%	6.55%	-2.79%

VTEC vs. OVM - Expense Ratio Comparison

VTEC has a 0.08% expense ratio, which is lower than OVM's 0.82% expense ratio.

Dividends

VTEC vs. OVM - Dividend Comparison

VTEC's dividend yield for the trailing twelve months is around 3.16%, less than OVM's 6.11% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
OVM Overlay Shares Municipal Bond ETF	6.11%	5.45%	4.91%	4.66%	4.21%	6.10%	3.97%	0.58%
VTEC Vanguard California Tax-Exempt Bond ETF	3.16%	3.13%	2.54%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both VTEC and OVM in my portfolio?

VTEC and OVM have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VTEC or OVM?

OVM has higher volatility (1.26%) compared to VTEC (0.86%). In terms of maximum drawdown, VTEC dropped -4.50% vs OVM's -15.58%.

Which ETF is better, VTEC or OVM?

On 1-year performance, OVM leads with 11.81% vs 6.69% for VTEC. On fees, VTEC is cheaper at 0.08% per year. On volatility, VTEC has been the lower-risk option at 0.86%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, VTEC or OVM?

Over the 1-year period, OVM has performed better with a 11.81% return vs 6.69%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, VTEC or OVM?

VTEC is cheaper with a 0.08% expense ratio, compared with 0.82% for OVM.

Which ETF pays a higher dividend yield, VTEC or OVM?

OVM has the higher dividend yield at 6.11%, compared with 3.16% for VTEC.

What is the main difference between VTEC and OVM?

They also come from different issuers: Vanguard and Liquid Strategies. Their fees differ too: 0.08% for VTEC and 0.82% for OVM.

Which has better risk-adjusted returns?

OVM currently has the higher Sharpe Ratio (2.85 vs 2.39), 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.