ICSH vs. BUCK

Last updated Jun 4, 2026

ICSH (iShares Ultra Short Duration Bond Active ETF) and BUCK (Simplify Treasury Option Income ETF) are both exchange-traded funds - ICSH is a Ultrashort Bond fund tracking the ICE BofA US 6-Month Treasury Bill Index (USD), while BUCK is a Government Bonds fund actively managed by Simplify. ICSH is passively managed, while BUCK is actively managed. Over the past 3 years, ICSH returned 5.20%/yr vs 5.27%/yr for BUCK. At a 0.01 correlation, their price movements are largely independent. ICSH charges 0.08%/yr vs 0.35%/yr for BUCK.

Performance

ICSH vs. BUCK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Ultra Short Duration Bond Active ETF (ICSH) 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, ICSH achieves a 1.45% return, which is significantly lower than BUCK's 1.90% return.

ICSH

• 1D: 0.00%
• 1M: 0.34%
• YTD: 1.45%
• 6M: 1.79%
• 1Y: 4.36%
• 3Y*: 5.20%
• 5Y*: 3.67%
• 10Y*: 2.76%

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)

ICSH vs. BUCK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
ICSH iShares Ultra Short Duration Bond Active ETF	1.45%	4.96%	5.52%	5.58%	0.93%
BUCK Simplify Treasury Option Income ETF	1.90%	4.13%	7.25%	4.63%	0.39%

Correlation

The correlation between ICSH and BUCK is 0.09, 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	0.09
Correlation (3Y) Calculated over the trailing 3-year period	-0.01
Correlation (All Time) Calculated using the full available price history since Oct 31, 2022	0.01

ICSH vs. BUCK - Sectors Allocation Comparison

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

Return for Risk

ICSH vs. BUCK — Risk / Return Rank

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

ICSH

ICSH Risk / Return Rank: 99
ICSH Sharpe Ratio Rank: 99
ICSH Sortino Ratio Rank: 100
ICSH Omega Ratio Rank: 100
ICSH Calmar Ratio Rank: 99
ICSH Martin Ratio Rank: 99

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.

ICSH vs. BUCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Ultra Short Duration Bond Active ETF (ICSH) 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.

	ICSH	BUCK	Difference
Sharpe ratio: Return per unit of total volatility	11.22	2.54	+8.68
Sortino ratio: Return per unit of downside risk	28.46	3.83	+24.64
Omega ratio: Gain probability vs. loss probability	6.79	1.54	+5.25
Calmar ratio: Return relative to maximum drawdown	44.30	6.11	+38.19
Martin ratio: Return relative to average drawdown	297.17	32.31	+264.86
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ICSH vs. BUCK - Sharpe Ratio Comparison

The current ICSH Sharpe Ratio is 11.22, which is higher than the BUCK Sharpe Ratio of 2.54. The chart below compares the historical Sharpe Ratios of ICSH 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

	ICSH	BUCK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	11.22	2.54	+8.68
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	7.64	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	2.62	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.93	1.47	+0.46

Drawdowns

ICSH vs. BUCK - Drawdown Comparison

The maximum ICSH drawdown since its inception was -3.94%, smaller than the maximum BUCK drawdown of -5.43%. Use the drawdown chart below to compare losses from any high point for ICSH and BUCK.

Drawdown Indicators

	ICSH	BUCK	Difference
Max Drawdown Largest peak-to-trough decline	-3.94%	-5.43%	+1.49%
Max Drawdown (1Y) Largest decline over 1 year	-0.10%	-1.31%	+1.21%
Max Drawdown (3Y) Largest decline over 3 years	-0.10%	-5.43%	+5.33%
Max Drawdown (5Y) Largest decline over 5 years	-0.73%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-3.94%	—	—
Current Drawdown Current decline from peak	0.00%	-0.04%	+0.04%
Average Drawdown Average peak-to-trough decline	-0.08%	-0.49%	+0.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.01%	0.25%	-0.24%

Volatility

ICSH vs. BUCK - Volatility Comparison

The current volatility for iShares Ultra Short Duration Bond Active ETF (ICSH) is 0.15%, while Simplify Treasury Option Income ETF (BUCK) has a volatility of 0.70%. This indicates that ICSH 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

	ICSH	BUCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.15%	0.70%	-0.55%
Volatility (6M) Calculated over the trailing 6-month period	0.30%	1.53%	-1.23%
Volatility (1Y) Calculated over the trailing 1-year period	0.39%	3.14%	-2.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.48%	3.49%	-3.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.06%	3.49%	-2.43%

ICSH vs. BUCK - Expense Ratio Comparison

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

Dividends

ICSH vs. BUCK - Dividend Comparison

ICSH's dividend yield for the trailing twelve months is around 4.34%, less than BUCK's 7.42% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%	0.00%	0.00%
ICSH iShares Ultra Short Duration Bond Active ETF	4.34%	4.55%	5.24%	4.78%	1.66%	0.42%	1.21%	2.61%	2.20%	1.36%	0.88%	0.54%

Frequently Asked Questions

Can I hold both ICSH and BUCK in my portfolio?

ICSH and BUCK have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ICSH or BUCK?

BUCK has higher volatility (0.70%) compared to ICSH (0.15%). In terms of maximum drawdown, ICSH dropped -3.94% vs BUCK's -5.43%.

Which ETF is better, ICSH or BUCK?

On 3-year performance, BUCK leads with 5.27% vs 5.20% for ICSH. On fees, ICSH is cheaper at 0.08% per year. On volatility, ICSH has been the lower-risk option at 0.15%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ICSH or BUCK?

Over the 3-year period, BUCK has performed better with a 5.27% return vs 5.20%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ICSH or BUCK?

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

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

BUCK has the higher dividend yield at 7.42%, compared with 4.34% for ICSH.

What is the main difference between ICSH and BUCK?

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

Which has better risk-adjusted returns?

ICSH currently has the higher Sharpe Ratio (11.22 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.