VCRB vs. IBTO

Last updated Jun 4, 2026

VCRB (Vanguard Core Bond ETF) and IBTO (iShares iBonds Dec 2033 Term Treasury ETF) are both Intermediate Core Bond funds. VCRB is actively managed, while IBTO is passively managed. Over the past year, VCRB returned 5.60% vs 4.04% for IBTO. With a 0.96 correlation, they move nearly in lockstep. VCRB charges 0.10%/yr vs 0.07%/yr for IBTO.

Performance

VCRB vs. IBTO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Core Bond ETF (VCRB) and iShares iBonds Dec 2033 Term Treasury ETF (IBTO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VCRB achieves a 0.47% return, which is significantly higher than IBTO's -0.58% return.

VCRB

• 1D: -0.18%
• 1M: 0.35%
• YTD: 0.47%
• 6M: 0.34%
• 1Y: 5.60%
• 3Y*: —
• 5Y*: —
• 10Y*: —

IBTO

• 1D: -0.21%
• 1M: -0.17%
• YTD: -0.58%
• 6M: -1.02%
• 1Y: 4.04%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

VCRB vs. IBTO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
VCRB Vanguard Core Bond ETF	0.47%	7.56%	2.21%	0.65%
IBTO iShares iBonds Dec 2033 Term Treasury ETF	-0.58%	8.23%	-0.87%	0.40%

Correlation

The correlation between VCRB and IBTO is 0.96 - 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	0.96
Correlation (All Time) Calculated using the full available price history since Dec 15, 2023	0.96

The correlation between VCRB and IBTO has been stable across timeframes, ranging from 0.96 to 0.96 - a consistent structural relationship.

Return for Risk

VCRB vs. IBTO — Risk / Return Rank

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

VCRB

VCRB Risk / Return Rank: 42
VCRB Sharpe Ratio Rank: 42
VCRB Sortino Ratio Rank: 45
VCRB Omega Ratio Rank: 41
VCRB Calmar Ratio Rank: 42
VCRB Martin Ratio Rank: 39

IBTO

IBTO Risk / Return Rank: 25
IBTO Sharpe Ratio Rank: 26
IBTO Sortino Ratio Rank: 26
IBTO Omega Ratio Rank: 24
IBTO Calmar Ratio Rank: 24
IBTO Martin Ratio Rank: 25

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.

VCRB vs. IBTO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Core Bond ETF (VCRB) and iShares iBonds Dec 2033 Term Treasury ETF (IBTO). 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.

	VCRB	IBTO	Difference
Sharpe ratio: Return per unit of total volatility	1.52	0.91	+0.61
Sortino ratio: Return per unit of downside risk	2.27	1.38	+0.90
Omega ratio: Gain probability vs. loss probability	1.27	1.16	+0.11
Calmar ratio: Return relative to maximum drawdown	2.13	1.11	+1.02
Martin ratio: Return relative to average drawdown	6.38	3.21	+3.17
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VCRB vs. IBTO - Sharpe Ratio Comparison

The current VCRB Sharpe Ratio is 1.52, which is higher than the IBTO Sharpe Ratio of 0.91. The chart below compares the historical Sharpe Ratios of VCRB and IBTO, 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

	VCRB	IBTO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.52	0.91	+0.61
Sharpe Ratio (All Time) Calculated using the full available price history	0.93	0.43	+0.50

Drawdowns

VCRB vs. IBTO - Drawdown Comparison

The maximum VCRB drawdown since its inception was -4.59%, smaller than the maximum IBTO drawdown of -8.36%. Use the drawdown chart below to compare losses from any high point for VCRB and IBTO.

Drawdown Indicators

	VCRB	IBTO	Difference
Max Drawdown Largest peak-to-trough decline	-4.59%	-8.36%	+3.77%
Max Drawdown (1Y) Largest decline over 1 year	-2.63%	-3.66%	+1.03%
Current Drawdown Current decline from peak	-1.40%	-2.63%	+1.23%
Average Drawdown Average peak-to-trough decline	-1.16%	-2.37%	+1.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.88%	1.26%	-0.38%

Volatility

VCRB vs. IBTO - Volatility Comparison

The current volatility for Vanguard Core Bond ETF (VCRB) is 1.18%, while iShares iBonds Dec 2033 Term Treasury ETF (IBTO) has a volatility of 1.32%. This indicates that VCRB experiences smaller price fluctuations and is considered to be less risky than IBTO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VCRB	IBTO	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.18%	1.32%	-0.14%
Volatility (6M) Calculated over the trailing 6-month period	2.60%	3.02%	-0.42%
Volatility (1Y) Calculated over the trailing 1-year period	3.69%	4.46%	-0.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.74%	6.61%	-1.87%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.74%	6.61%	-1.87%

VCRB vs. IBTO - Expense Ratio Comparison

VCRB has a 0.10% expense ratio, which is higher than IBTO's 0.07% 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

VCRB vs. IBTO - Dividend Comparison

VCRB's dividend yield for the trailing twelve months is around 4.60%, more than IBTO's 4.15% yield.

Position	TTM	2025	2024	2023
IBTO iShares iBonds Dec 2033 Term Treasury ETF	4.15%	4.05%	4.23%	1.66%
VCRB Vanguard Core Bond ETF	4.60%	4.55%	4.22%	0.16%

Frequently Asked Questions

Can I hold both VCRB and IBTO in my portfolio?

With a correlation of 0.96, VCRB and IBTO 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, VCRB or IBTO?

IBTO has higher volatility (1.32%) compared to VCRB (1.18%). In terms of maximum drawdown, VCRB dropped -4.59% vs IBTO's -8.36%.

Which ETF is better, VCRB or IBTO?

On 1-year performance, VCRB leads with 5.60% vs 4.04% for IBTO. On fees, IBTO is cheaper at 0.07% per year. On volatility, VCRB has been the lower-risk option at 1.18%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, VCRB or IBTO?

Over the 1-year period, VCRB has performed better with a 5.60% return vs 4.04%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, VCRB or IBTO?

IBTO is cheaper with a 0.07% expense ratio, compared with 0.10% for VCRB.

Which ETF pays a higher dividend yield, VCRB or IBTO?

VCRB has the higher dividend yield at 4.60%, compared with 4.15% for IBTO.

What is the main difference between VCRB and IBTO?

They also come from different issuers: Vanguard and iShares. Their fees differ too: 0.10% for VCRB and 0.07% for IBTO.

Which has better risk-adjusted returns?

VCRB currently has the higher Sharpe Ratio (1.52 vs 0.91), 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.