IBTO vs. IBGA

Last updated Jun 23, 2026

IBTO (iShares iBonds Dec 2033 Term Treasury ETF) and IBGA (iShares iBonds Dec 2044 Term Treasury ETF) are both Intermediate Core Bond funds from iShares - IBTO tracks the ICE 2033 Maturity US Treasury Index while IBGA tracks the ICE 2044 Maturity US Treasury Index. Both are passively managed. Over the past year, IBTO returned 3.25% vs 4.43% for IBGA. Their correlation of 0.93 suggests significant overlap in exposure. Both charge a 0.07% expense ratio.

Performance

IBTO vs. IBGA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Dec 2033 Term Treasury ETF (IBTO) and iShares iBonds Dec 2044 Term Treasury ETF (IBGA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IBTO achieves a -0.64% return, which is significantly lower than IBGA's 0.28% return.

IBTO

• 1D: -0.29%
• 1M: 0.37%
• YTD: -0.64%
• 6M: -0.60%
• 1Y: 3.25%
• 3Y*: —
• 5Y*: —
• 10Y*: —

IBGA

• 1D: -0.61%
• 1M: 1.69%
• YTD: 0.28%
• 6M: 0.30%
• 1Y: 4.43%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IBTO vs. IBGA - Yearly Performance Comparison

	2026 (YTD)	2025	2024
IBTO iShares iBonds Dec 2033 Term Treasury ETF	-0.64%	8.23%	1.36%
IBGA iShares iBonds Dec 2044 Term Treasury ETF	0.28%	6.09%	-2.18%

Correlation

The correlation between IBTO and IBGA is 0.93, 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	0.93
Correlation (All Time) Calculated using the full available price history since Jun 12, 2024	0.93

The correlation between IBTO and IBGA has been stable across timeframes, ranging from 0.93 to 0.93 - a consistent structural relationship.

Return for Risk

IBTO vs. IBGA — Risk / Return Rank

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

IBTO

IBTO Risk / Return Rank: 20
IBTO Sharpe Ratio Rank: 22
IBTO Sortino Ratio Rank: 21
IBTO Omega Ratio Rank: 19
IBTO Calmar Ratio Rank: 20
IBTO Martin Ratio Rank: 20

IBGA

IBGA Risk / Return Rank: 16
IBGA Sharpe Ratio Rank: 17
IBGA Sortino Ratio Rank: 16
IBGA Omega Ratio Rank: 15
IBGA Calmar Ratio Rank: 17
IBGA Martin Ratio Rank: 17

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.

IBTO vs. IBGA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2033 Term Treasury ETF (IBTO) and iShares iBonds Dec 2044 Term Treasury ETF (IBGA). 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.

	IBTO	IBGA	Difference
Sharpe ratio: Return per unit of total volatility	0.74	0.56	+0.19
Sortino ratio: Return per unit of downside risk	1.13	0.85	+0.28
Omega ratio: Gain probability vs. loss probability	1.13	1.10	+0.03
Calmar ratio: Return relative to maximum drawdown	0.89	0.68	+0.22
Martin ratio: Return relative to average drawdown	2.36	1.76	+0.60

IBTO vs. IBGA - Sharpe Ratio Comparison

The current IBTO Sharpe Ratio is 0.74, which is higher than the IBGA Sharpe Ratio of 0.56. The chart below compares the historical Sharpe Ratios of IBTO and IBGA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

IBTO vs. IBGA - Drawdown Comparison

The maximum IBTO drawdown since its inception was -8.36%, smaller than the maximum IBGA drawdown of -11.69%. Use the drawdown chart below to compare losses from any high point for IBTO and IBGA.

Drawdown Indicators

	IBTO	IBGA	Difference
Max Drawdown Largest peak-to-trough decline	-8.36%	-11.69%	+3.33%
Max Drawdown (1Y) Largest decline over 1 year	-3.66%	-6.60%	+2.94%
Current Drawdown Current decline from peak	-2.69%	-4.04%	+1.35%
Average Drawdown Average peak-to-trough decline	-2.37%	-5.03%	+2.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.38%	2.53%	-1.15%

Volatility

IBTO vs. IBGA - Volatility Comparison

The current volatility for iShares iBonds Dec 2033 Term Treasury ETF (IBTO) is 1.27%, while iShares iBonds Dec 2044 Term Treasury ETF (IBGA) has a volatility of 1.97%. This indicates that IBTO experiences smaller price fluctuations and is considered to be less risky than IBGA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IBTO	IBGA	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.27%	1.97%	-0.70%
Volatility (6M) Calculated over the trailing 6-month period	3.15%	5.81%	-2.66%
Volatility (1Y) Calculated over the trailing 1-year period	4.40%	8.01%	-3.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.59%	9.83%	-3.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.59%	9.83%	-3.24%

IBTO vs. IBGA - Expense Ratio Comparison

Both IBTO and IBGA have an expense ratio of 0.07%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

IBTO vs. IBGA - Dividend Comparison

IBTO's dividend yield for the trailing twelve months is around 4.15%, less than IBGA's 4.63% yield.

Position	TTM	2025	2024	2023
IBGA iShares iBonds Dec 2044 Term Treasury ETF	4.63%	4.49%	2.03%	0.00%
IBTO iShares iBonds Dec 2033 Term Treasury ETF	4.15%	4.05%	4.23%	1.66%

Frequently Asked Questions

Can I hold both IBTO and IBGA in my portfolio?

With a correlation of 0.93, IBTO and IBGA 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, IBTO or IBGA?

IBGA has higher volatility (1.97%) compared to IBTO (1.27%). In terms of maximum drawdown, IBTO dropped -8.36% vs IBGA's -11.69%.

Which ETF is better, IBTO or IBGA?

On 1-year performance, IBGA leads with 4.43% vs 3.25% for IBTO. Both ETFs have the same 0.07% expense ratio. On volatility, IBTO has been the lower-risk option at 1.27%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IBTO or IBGA?

Over the 1-year period, IBGA has performed better with a 4.43% return vs 3.25%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IBTO or IBGA?

IBTO and IBGA have the same expense ratio: 0.07% per year.

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

IBGA has the higher dividend yield at 4.63%, compared with 4.15% for IBTO.

What is the main difference between IBTO and IBGA?

IBTO tracks ICE 2033 Maturity US Treasury Index, while IBGA tracks ICE 2044 Maturity US Treasury Index.

Which has better risk-adjusted returns?

IBTO currently has the higher Sharpe Ratio (0.74 vs 0.56), 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.