IBGM vs. BUCK

Last updated Jun 6, 2026

IBGM (iShares iBonds Dec 2056 Term Treasury ETF) and BUCK (Simplify Treasury Option Income ETF) are both Government Bonds funds. IBGM is passively managed, while BUCK is actively managed. At a 0.05 correlation, their price movements are largely independent. IBGM charges 0.07%/yr vs 0.35%/yr for BUCK.

Performance

IBGM vs. BUCK - Performance Comparison

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

Returns By Period

IBGM

• 1D: -0.49%
• 1M: -0.74%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BUCK

• 1D: -0.04%
• 1M: 0.38%
• YTD: 1.94%
• 6M: 2.18%
• 1Y: 7.42%
• 3Y*: 5.25%
• 5Y*: —
• 10Y*: —

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

IBGM vs. BUCK - Yearly Performance Comparison

	2026 (YTD)
IBGM iShares iBonds Dec 2056 Term Treasury ETF	-0.16%
BUCK Simplify Treasury Option Income ETF	0.83%

Correlation

The correlation between IBGM and BUCK is 0.05, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (All Time) Calculated using the full available price history since Mar 27, 2026	0.05

Return for Risk

IBGM vs. BUCK — Risk / Return Rank

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

BUCK

BUCK Risk / Return Rank: 86
BUCK Sharpe Ratio Rank: 77
BUCK Sortino Ratio Rank: 82
BUCK Omega Ratio Rank: 86
BUCK Calmar Ratio Rank: 91
BUCK Martin Ratio Rank: 95

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.

IBGM vs. BUCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2056 Term Treasury ETF (IBGM) and Simplify Treasury Option Income ETF (BUCK). 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.

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

Sharpe Ratios by Period

	IBGM	BUCK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.40	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.10	1.47	-1.57

Drawdowns

IBGM vs. BUCK - Drawdown Comparison

The maximum IBGM drawdown since its inception was -4.36%, smaller than the maximum BUCK drawdown of -5.43%. Use the drawdown chart below to compare losses from any high point for IBGM and BUCK.

Drawdown Indicators

	IBGM	BUCK	Difference
Max Drawdown Largest peak-to-trough decline	-4.36%	-5.43%	+1.07%
Max Drawdown (1Y) Largest decline over 1 year	—	-1.31%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-5.43%	—
Current Drawdown Current decline from peak	-1.59%	-0.04%	-1.55%
Average Drawdown Average peak-to-trough decline	-1.26%	-0.49%	-0.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.25%	—

Volatility

Volatility by Period

	IBGM	BUCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.71%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.50%	—
Volatility (1Y) Calculated over the trailing 1-year period	8.27%	3.10%	+5.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.27%	3.48%	+4.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.27%	3.48%	+4.79%

IBGM vs. BUCK - Expense Ratio Comparison

IBGM has a 0.07% expense ratio, which is lower than BUCK's 0.35% expense ratio.

Dividends

IBGM vs. BUCK - Dividend Comparison

IBGM's dividend yield for the trailing twelve months is around 0.82%, less than BUCK's 7.41% yield.

Position	TTM	2025	2024	2023	2022
BUCK Simplify Treasury Option Income ETF	7.41%	7.59%	8.84%	4.84%	0.59%
IBGM iShares iBonds Dec 2056 Term Treasury ETF	0.82%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both IBGM and BUCK in my portfolio?

IBGM and BUCK have a correlation of 0.05, 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 BUCK?

On fees, IBGM is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, IBGM or BUCK?

IBGM is cheaper with a 0.07% expense ratio, compared with 0.35% for BUCK.

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

BUCK has the higher dividend yield at 7.41%, compared with 0.82% for IBGM.

What is the main difference between IBGM and BUCK?

They also come from different issuers: iShares and Simplify. Their fees differ too: 0.07% for IBGM and 0.35% for BUCK.