IBTG vs. SPTB

Last updated Apr 2, 2026

Compare and contrast key facts about iShares iBonds Dec 2026 Term Treasury ETF (IBTG) and State Street SPDR Portfolio Treasury ETF (SPTB).

IBTG and SPTB are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. IBTG is a passively managed fund by iShares that tracks the performance of the ICE 2026 Maturity US Treasury Index. It was launched on Feb 25, 2020. SPTB is a passively managed fund by State Street that tracks the performance of the Bloomberg U.S. Treasury Index. It was launched on May 20, 2024. Both IBTG and SPTB are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

IBTG vs. SPTB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Dec 2026 Term Treasury ETF (IBTG) and State Street SPDR Portfolio Treasury ETF (SPTB). The values are adjusted to include any dividend payments, if applicable.

IBTG vs. SPTB - Yearly Performance Comparison

	2026 (YTD)	2025	2024
IBTG iShares iBonds Dec 2026 Term Treasury ETF	0.84%	4.40%	3.77%
SPTB State Street SPDR Portfolio Treasury ETF	0.07%	6.14%	2.17%

Returns By Period

In the year-to-date period, IBTG achieves a 0.84% return, which is significantly higher than SPTB's 0.07% return.

IBTG

• 1D: 0.02%
• 1M: 0.29%
• YTD: 0.84%
• 6M: 1.83%
• 1Y: 3.96%
• 3Y*: 3.78%
• 5Y*: 0.86%
• 10Y*: —

SPTB

• 1D: -0.05%
• 1M: -1.36%
• YTD: 0.07%
• 6M: 0.58%
• 1Y: 2.94%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IBTG vs. SPTB - Expense Ratio Comparison

IBTG has a 0.07% expense ratio, which is higher than SPTB'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%.

IBTG

iShares iBonds Dec 2026 Term Treasury ETF

SPTB

State Street SPDR Portfolio Treasury ETF

Return for Risk

IBTG vs. SPTB — Risk / Return Rank

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

IBTG

IBTG Risk / Return Rank: 99
IBTG Sharpe Ratio Rank: 99
IBTG Sortino Ratio Rank: 99
IBTG Omega Ratio Rank: 99
IBTG Calmar Ratio Rank: 99
IBTG Martin Ratio Rank: 99

SPTB

SPTB Risk / Return Rank: 34
SPTB Sharpe Ratio Rank: 36
SPTB Sortino Ratio Rank: 34
SPTB Omega Ratio Rank: 28
SPTB Calmar Ratio Rank: 41
SPTB Martin Ratio Rank: 31

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.

IBTG vs. SPTB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2026 Term Treasury ETF (IBTG) and State Street SPDR Portfolio Treasury ETF (SPTB). 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.

	IBTG	SPTB	Difference
Sharpe ratio Return per unit of total volatility	6.10	0.72	+5.37
Sortino ratio Return per unit of downside risk	11.89	1.07	+10.82
Omega ratio Gain probability vs. loss probability	2.97	1.13	+1.84
Calmar ratio Return relative to maximum drawdown	17.26	1.21	+16.05
Martin ratio Return relative to average drawdown	83.09	3.09	+80.00
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IBTG vs. SPTB - Sharpe Ratio Comparison

The current IBTG Sharpe Ratio is 6.10, which is higher than the SPTB Sharpe Ratio of 0.72. The chart below compares the historical Sharpe Ratios of IBTG and SPTB, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	IBTG	SPTB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	6.10	0.72	+5.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.26	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.26	1.01	-0.74

Correlation

The correlation between IBTG and SPTB is 0.54, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

IBTG vs. SPTB - Dividend Comparison

IBTG's dividend yield for the trailing twelve months is around 4.00%, less than SPTB's 4.21% yield.

	TTM	2025	2024	2023	2022	2021	2020
IBTG iShares iBonds Dec 2026 Term Treasury ETF	4.00%	4.03%	4.08%	3.61%	2.06%	0.66%	0.53%
SPTB State Street SPDR Portfolio Treasury ETF	4.21%	4.23%	2.76%	0.00%	0.00%	0.00%	0.00%

Drawdowns

IBTG vs. SPTB - Drawdown Comparison

The maximum IBTG drawdown since its inception was -13.62%, which is greater than SPTB's maximum drawdown of -4.96%. Use the drawdown chart below to compare losses from any high point for IBTG and SPTB.

Drawdown Indicators

	IBTG	SPTB	Difference
Max Drawdown Largest peak-to-trough decline	-13.62%	-4.96%	-8.66%
Max Drawdown (1Y) Largest decline over 1 year	-0.23%	-2.67%	+2.44%
Max Drawdown (5Y) Largest decline over 5 years	-12.31%	—	—
Current Drawdown Current decline from peak	0.00%	-1.80%	+1.80%
Average Drawdown Average peak-to-trough decline	-5.03%	-1.28%	-3.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.05%	1.04%	-0.99%

Volatility

IBTG vs. SPTB - Volatility Comparison

The current volatility for iShares iBonds Dec 2026 Term Treasury ETF (IBTG) is 0.12%, while State Street SPDR Portfolio Treasury ETF (SPTB) has a volatility of 1.44%. This indicates that IBTG experiences smaller price fluctuations and is considered to be less risky than SPTB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IBTG	SPTB	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.12%	1.44%	-1.32%
Volatility (6M) Calculated over the trailing 6-month period	0.34%	2.44%	-2.10%
Volatility (1Y) Calculated over the trailing 1-year period	0.65%	4.10%	-3.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.29%	4.50%	-1.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.50%	4.50%	-1.00%