TBLL vs. BUCK

Last updated Jun 4, 2026

TBLL (Invesco Short Term Treasury ETF) and BUCK (Simplify Treasury Option Income ETF) are both exchange-traded funds - TBLL is a Ultrashort Bond fund tracking the ICE U.S. Treasury Short Bond Index, while BUCK is a Government Bonds fund actively managed by Simplify. TBLL is passively managed, while BUCK is actively managed. Over the past 3 years, TBLL returned 4.66%/yr vs 5.27%/yr for BUCK. At a 0.04 correlation, their price movements are largely independent. TBLL charges 0.08%/yr vs 0.35%/yr for BUCK.

Performance

TBLL vs. BUCK - Performance Comparison

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

Returns By Period

In the year-to-date period, TBLL achieves a 1.43% return, which is significantly lower than BUCK's 1.90% return.

TBLL

• 1D: 0.01%
• 1M: 0.29%
• YTD: 1.43%
• 6M: 1.74%
• 1Y: 3.93%
• 3Y*: 4.66%
• 5Y*: 3.35%
• 10Y*: —

BUCK

• 1D: 0.02%
• 1M: 0.38%
• YTD: 1.90%
• 6M: 2.09%
• 1Y: 7.95%
• 3Y*: 5.27%
• 5Y*: —
• 10Y*: —

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

TBLL vs. BUCK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
TBLL Invesco Short Term Treasury ETF	1.43%	4.21%	5.11%	5.01%	0.69%
BUCK Simplify Treasury Option Income ETF	1.90%	4.13%	7.25%	4.63%	0.39%

Correlation

The correlation between TBLL and BUCK is -0.00, 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 (1Y) Calculated over the trailing 1-year period	-0.00
Correlation (3Y) Calculated over the trailing 3-year period	0.04
Correlation (All Time) Calculated using the full available price history since Oct 31, 2022	0.04

TBLL vs. BUCK - Sectors Allocation Comparison

Sectors	TBLL	BUCK
Financial Services	64.0%	100.0%
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Healthcare	-	-
Industrials	-	-
Real Estate	-	-
Technology	-	-
Utilities	-	-

Return for Risk

TBLL vs. BUCK — Risk / Return Rank

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

TBLL

TBLL Risk / Return Rank: 100
TBLL Sharpe Ratio Rank: 100
TBLL Sortino Ratio Rank: 100
TBLL Omega Ratio Rank: 100
TBLL Calmar Ratio Rank: 100
TBLL Martin Ratio Rank: 100

BUCK

BUCK Risk / Return Rank: 87
BUCK Sharpe Ratio Rank: 77
BUCK Sortino Ratio Rank: 84
BUCK Omega Ratio Rank: 86
BUCK Calmar Ratio Rank: 92
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.

TBLL vs. BUCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Short Term Treasury ETF (TBLL) 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.

	TBLL	BUCK	Difference
Sharpe ratio: Return per unit of total volatility	20.94	2.54	+18.39
Sortino ratio: Return per unit of downside risk	218.31	3.83	+214.48
Omega ratio: Gain probability vs. loss probability	102.92	1.54	+101.38
Calmar ratio: Return relative to maximum drawdown	416.84	6.11	+410.73
Martin ratio: Return relative to average drawdown	3,533.11	32.31	+3,500.80
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TBLL vs. BUCK - Sharpe Ratio Comparison

The current TBLL Sharpe Ratio is 20.94, which is higher than the BUCK Sharpe Ratio of 2.54. The chart below compares the historical Sharpe Ratios of TBLL and BUCK, 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

	TBLL	BUCK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	20.94	2.54	+18.39
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	7.53	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	4.26	1.47	+2.79

Drawdowns

TBLL vs. BUCK - Drawdown Comparison

The maximum TBLL drawdown since its inception was -0.63%, smaller than the maximum BUCK drawdown of -5.43%. Use the drawdown chart below to compare losses from any high point for TBLL and BUCK.

Drawdown Indicators

	TBLL	BUCK	Difference
Max Drawdown Largest peak-to-trough decline	-0.63%	-5.43%	+4.80%
Max Drawdown (1Y) Largest decline over 1 year	-0.01%	-1.31%	+1.30%
Max Drawdown (3Y) Largest decline over 3 years	-0.36%	-5.43%	+5.07%
Max Drawdown (5Y) Largest decline over 5 years	-0.36%	—	—
Current Drawdown Current decline from peak	0.00%	-0.04%	+0.04%
Average Drawdown Average peak-to-trough decline	-0.14%	-0.49%	+0.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.00%	0.25%	-0.25%

Volatility

TBLL vs. BUCK - Volatility Comparison

The current volatility for Invesco Short Term Treasury ETF (TBLL) is 0.05%, while Simplify Treasury Option Income ETF (BUCK) has a volatility of 0.70%. This indicates that TBLL experiences smaller price fluctuations and is considered to be less risky than BUCK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TBLL	BUCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.05%	0.70%	-0.65%
Volatility (6M) Calculated over the trailing 6-month period	0.12%	1.53%	-1.41%
Volatility (1Y) Calculated over the trailing 1-year period	0.19%	3.14%	-2.95%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.45%	3.49%	-3.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.56%	3.49%	-2.93%

TBLL vs. BUCK - Expense Ratio Comparison

TBLL has a 0.08% expense ratio, which is lower than BUCK's 0.35% expense ratio.

Dividends

TBLL vs. BUCK - Dividend Comparison

TBLL's dividend yield for the trailing twelve months is around 3.81%, less than BUCK's 7.42% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
BUCK Simplify Treasury Option Income ETF	7.42%	7.59%	8.84%	4.84%	0.59%	0.00%	0.00%	0.00%	0.00%	0.00%
TBLL Invesco Short Term Treasury ETF	3.81%	4.08%	4.99%	4.63%	1.37%	0.03%	0.80%	2.08%	1.69%	0.71%

Frequently Asked Questions

Can I hold both TBLL and BUCK in my portfolio?

TBLL and BUCK have a correlation of -0.00, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TBLL or BUCK?

BUCK has higher volatility (0.70%) compared to TBLL (0.05%). In terms of maximum drawdown, TBLL dropped -0.63% vs BUCK's -5.43%.

Which ETF is better, TBLL or BUCK?

On 3-year performance, BUCK leads with 5.27% vs 4.66% for TBLL. On fees, TBLL is cheaper at 0.08% per year. On volatility, TBLL has been the lower-risk option at 0.05%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TBLL or BUCK?

Over the 3-year period, BUCK has performed better with a 5.27% return vs 4.66%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TBLL or BUCK?

TBLL is cheaper with a 0.08% expense ratio, compared with 0.35% for BUCK.

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

BUCK has the higher dividend yield at 7.42%, compared with 3.81% for TBLL.

What is the main difference between TBLL and BUCK?

TBLL is categorized as Ultrashort Bond, while BUCK is Government Bonds. They also come from different issuers: Invesco and Simplify. Their fees differ too: 0.08% for TBLL and 0.35% for BUCK.

Which has better risk-adjusted returns?

TBLL currently has the higher Sharpe Ratio (20.94 vs 2.54), 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.