KCSH vs. BUCK

Last updated Jun 4, 2026

KCSH (KraneShares Sustainable Ultra Short Duration Index ETF) and BUCK (Simplify Treasury Option Income ETF) are both exchange-traded funds - KCSH is a Ultrashort Bond fund tracking the Solactive ISS Sustainable Select 0-1 Year USD Corporate IG Index, while BUCK is a Government Bonds fund actively managed by Simplify. KCSH is passively managed, while BUCK is actively managed. Over the past year, KCSH returned 4.06% vs 7.95% for BUCK. At a correlation of -0.01, they often move in opposite directions. KCSH charges 0.20%/yr vs 0.35%/yr for BUCK.

Performance

KCSH vs. BUCK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in KraneShares Sustainable Ultra Short Duration Index ETF (KCSH) 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, KCSH achieves a 1.49% return, which is significantly lower than BUCK's 1.90% return.

KCSH

• 1D: 0.02%
• 1M: 0.32%
• YTD: 1.49%
• 6M: 1.83%
• 1Y: 4.06%
• 3Y*: —
• 5Y*: —
• 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)

KCSH vs. BUCK - Yearly Performance Comparison

	2026 (YTD)	2025	2024
KCSH KraneShares Sustainable Ultra Short Duration Index ETF	1.49%	4.49%	1.94%
BUCK Simplify Treasury Option Income ETF	1.90%	4.13%	3.26%

Correlation

The correlation between KCSH and BUCK is -0.02, 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	-0.02
Correlation (All Time) Calculated using the full available price history since Jul 29, 2024	-0.01

Return for Risk

KCSH vs. BUCK — Risk / Return Rank

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

KCSH

KCSH Risk / Return Rank: 95
KCSH Sharpe Ratio Rank: 92
KCSH Sortino Ratio Rank: 93
KCSH Omega Ratio Rank: 98
KCSH Calmar Ratio Rank: 94
KCSH Martin Ratio Rank: 98

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.

KCSH vs. BUCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for KraneShares Sustainable Ultra Short Duration Index ETF (KCSH) 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.

	KCSH	BUCK	Difference
Sharpe ratio: Return per unit of total volatility	3.30	2.54	+0.76
Sortino ratio: Return per unit of downside risk	4.65	3.83	+0.82
Omega ratio: Gain probability vs. loss probability	2.16	1.54	+0.61
Calmar ratio: Return relative to maximum drawdown	7.00	6.11	+0.89
Martin ratio: Return relative to average drawdown	59.08	32.31	+26.76
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KCSH vs. BUCK - Sharpe Ratio Comparison

The current KCSH Sharpe Ratio is 3.30, which is comparable to the BUCK Sharpe Ratio of 2.54. The chart below compares the historical Sharpe Ratios of KCSH 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

	KCSH	BUCK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.30	2.54	+0.76
Sharpe Ratio (All Time) Calculated using the full available price history	3.26	1.47	+1.79

Drawdowns

KCSH vs. BUCK - Drawdown Comparison

The maximum KCSH drawdown since its inception was -0.58%, smaller than the maximum BUCK drawdown of -5.43%. Use the drawdown chart below to compare losses from any high point for KCSH and BUCK.

Drawdown Indicators

	KCSH	BUCK	Difference
Max Drawdown Largest peak-to-trough decline	-0.58%	-5.43%	+4.85%
Max Drawdown (1Y) Largest decline over 1 year	-0.58%	-1.31%	+0.73%
Max Drawdown (3Y) Largest decline over 3 years	—	-5.43%	—
Current Drawdown Current decline from peak	0.00%	-0.04%	+0.04%
Average Drawdown Average peak-to-trough decline	-0.03%	-0.49%	+0.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.07%	0.25%	-0.18%

Volatility

KCSH vs. BUCK - Volatility Comparison

The current volatility for KraneShares Sustainable Ultra Short Duration Index ETF (KCSH) is 0.06%, while Simplify Treasury Option Income ETF (BUCK) has a volatility of 0.70%. This indicates that KCSH 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

	KCSH	BUCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.06%	0.70%	-0.64%
Volatility (6M) Calculated over the trailing 6-month period	0.83%	1.53%	-0.70%
Volatility (1Y) Calculated over the trailing 1-year period	1.24%	3.14%	-1.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.33%	3.49%	-2.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.33%	3.49%	-2.16%

KCSH vs. BUCK - Expense Ratio Comparison

KCSH has a 0.20% expense ratio, which is lower than BUCK's 0.35% expense ratio.

Dividends

KCSH vs. BUCK - Dividend Comparison

KCSH's dividend yield for the trailing twelve months is around 3.97%, less than BUCK's 7.42% yield.

Position	TTM	2025	2024	2023	2022
BUCK Simplify Treasury Option Income ETF	7.42%	7.59%	8.84%	4.84%	0.59%
KCSH KraneShares Sustainable Ultra Short Duration Index ETF	3.97%	4.35%	2.08%	0.00%	0.00%

Frequently Asked Questions

Can I hold both KCSH and BUCK in my portfolio?

KCSH and BUCK have a correlation of -0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, KCSH or BUCK?

BUCK has higher volatility (0.70%) compared to KCSH (0.06%). In terms of maximum drawdown, KCSH dropped -0.58% vs BUCK's -5.43%.

Which ETF is better, KCSH or BUCK?

On 1-year performance, BUCK leads with 7.95% vs 4.06% for KCSH. On fees, KCSH is cheaper at 0.20% per year. On volatility, KCSH has been the lower-risk option at 0.06%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, KCSH or BUCK?

Over the 1-year period, BUCK has performed better with a 7.95% return vs 4.06%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, KCSH or BUCK?

KCSH is cheaper with a 0.20% expense ratio, compared with 0.35% for BUCK.

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

BUCK has the higher dividend yield at 7.42%, compared with 3.97% for KCSH.

What is the main difference between KCSH and BUCK?

KCSH is categorized as Ultrashort Bond, while BUCK is Government Bonds. They also come from different issuers: KraneShares and Simplify. Their fees differ too: 0.20% for KCSH and 0.35% for BUCK.

Which has better risk-adjusted returns?

KCSH currently has the higher Sharpe Ratio (3.30 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.