IBGM vs. VTG

Last updated Jul 1, 2026

IBGM (iShares iBonds Dec 2056 Term Treasury ETF) and VTG (Vanguard Total Treasury ETF) are both Government Bonds funds - IBGM tracks the ICE 2056 Maturity US Treasury Index while VTG tracks the Bloomberg U.S. Treasury Total Return Unhedged USD Index. Both are passively managed. Their correlation of 0.87 suggests significant overlap in exposure. IBGM charges 0.07%/yr vs 0.03%/yr for VTG.

Performance

IBGM vs. VTG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Dec 2056 Term Treasury ETF (IBGM) and Vanguard Total Treasury ETF (VTG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

IBGM

• 1D: -1.17%
• 1M: 1.41%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

VTG

• 1D: -0.42%
• 1M: 0.30%
• YTD: 0.37%
• 6M: 0.18%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IBGM vs. VTG - Yearly Performance Comparison

	2026 (YTD)
IBGM iShares iBonds Dec 2056 Term Treasury ETF	1.45%
VTG Vanguard Total Treasury ETF	0.47%

Correlation

The correlation between IBGM and VTG is 0.87, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (All Time) Calculated using the full available price history since Mar 26, 2026	0.87

Return for Risk

IBGM vs. VTG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2056 Term Treasury ETF (IBGM) and Vanguard Total Treasury ETF (VTG). 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.

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

Drawdowns

IBGM vs. VTG - Drawdown Comparison

The maximum IBGM drawdown since its inception was -4.36%, which is greater than VTG's maximum drawdown of -2.89%. Use the drawdown chart below to compare losses from any high point for IBGM and VTG.

Drawdown Indicators

	IBGM	VTG	Difference
Max Drawdown Largest peak-to-trough decline	-4.36%	-2.89%	-1.47%
Current Drawdown Current decline from peak	-1.17%	-1.43%	+0.26%
Average Drawdown Average peak-to-trough decline	-1.09%	-0.80%	-0.29%

Volatility

Volatility by Period

	IBGM	VTG	Difference
Volatility (1Y) Calculated over the trailing 1-year period	8.64%	3.54%	+5.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.64%	3.54%	+5.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.64%	3.54%	+5.10%

IBGM vs. VTG - Expense Ratio Comparison

IBGM has a 0.07% expense ratio, which is higher than VTG'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

IBGM vs. VTG - Dividend Comparison

IBGM's dividend yield for the trailing twelve months is around 0.80%, less than VTG's 3.19% yield.

Position	TTM	2025
IBGM iShares iBonds Dec 2056 Term Treasury ETF	0.80%	0.00%
VTG Vanguard Total Treasury ETF	3.19%	1.65%

Frequently Asked Questions

Can I hold both IBGM and VTG in my portfolio?

IBGM and VTG have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, IBGM or VTG?

On fees, VTG is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, IBGM or VTG?

VTG is cheaper with a 0.03% expense ratio, compared with 0.07% for IBGM.

Which ETF pays a higher dividend yield, IBGM or VTG?

VTG has the higher dividend yield at 3.19%, compared with 0.80% for IBGM.

What is the main difference between IBGM and VTG?

IBGM tracks ICE 2056 Maturity US Treasury Index, while VTG tracks Bloomberg U.S. Treasury Total Return Unhedged USD Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.07% for IBGM and 0.03% for VTG.