KBUF vs. KSTR

Last updated Apr 2, 2026

Compare and contrast key facts about KraneShares 90% KWEB Defined Outcome January 2026 ETF (KBUF) and KraneShares SSE STAR Market 50 Index ETF (KSTR).

KBUF and KSTR are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. KBUF is an actively managed fund by KraneShares. It was launched on Feb 7, 2024. KSTR is a passively managed fund by KraneShares that tracks the performance of the SSE Science and Technology Innovation Board 50 Index. It was launched on Jan 26, 2021.

Performance

KBUF vs. KSTR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in KraneShares 90% KWEB Defined Outcome January 2026 ETF (KBUF) and KraneShares SSE STAR Market 50 Index ETF (KSTR). The values are adjusted to include any dividend payments, if applicable.

KBUF vs. KSTR - Yearly Performance Comparison

	2026 (YTD)	2025	2024
KBUF KraneShares 90% KWEB Defined Outcome January 2026 ETF	-8.35%	18.04%	16.58%
KSTR KraneShares SSE STAR Market 50 Index ETF	-0.27%	42.82%	22.17%

Returns By Period

In the year-to-date period, KBUF achieves a -8.35% return, which is significantly lower than KSTR's -0.27% return.

KBUF

• 1D: -0.32%
• 1M: -3.89%
• YTD: -8.35%
• 6M: -13.25%
• 1Y: -0.28%
• 3Y*: —
• 5Y*: —
• 10Y*: —

KSTR

• 1D: 1.53%
• 1M: -10.47%
• YTD: -0.27%
• 6M: -7.57%
• 1Y: 33.72%
• 3Y*: 3.01%
• 5Y*: -2.81%
• 10Y*: —

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

KBUF vs. KSTR - Expense Ratio Comparison

KBUF has a 0.95% expense ratio, which is higher than KSTR's 0.89% expense ratio.

KBUF

KraneShares 90% KWEB Defined Outcome January 2026 ETF

KSTR

KraneShares SSE STAR Market 50 Index ETF

Return for Risk

KBUF vs. KSTR — Risk / Return Rank

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

KBUF

KBUF Risk / Return Rank: 11
KBUF Sharpe Ratio Rank: 11
KBUF Sortino Ratio Rank: 10
KBUF Omega Ratio Rank: 10
KBUF Calmar Ratio Rank: 12
KBUF Martin Ratio Rank: 12

KSTR

KSTR Risk / Return Rank: 57
KSTR Sharpe Ratio Rank: 56
KSTR Sortino Ratio Rank: 59
KSTR Omega Ratio Rank: 55
KSTR Calmar Ratio Rank: 69
KSTR Martin Ratio Rank: 49

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.

KBUF vs. KSTR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for KraneShares 90% KWEB Defined Outcome January 2026 ETF (KBUF) and KraneShares SSE STAR Market 50 Index ETF (KSTR). 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.

	KBUF	KSTR	Difference
Sharpe ratio Return per unit of total volatility	-0.02	1.04	-1.06
Sortino ratio Return per unit of downside risk	0.06	1.57	-1.52
Omega ratio Gain probability vs. loss probability	1.01	1.22	-0.21
Calmar ratio Return relative to maximum drawdown	-0.00	1.89	-1.89
Martin ratio Return relative to average drawdown	-0.01	5.01	-5.02
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KBUF vs. KSTR - Sharpe Ratio Comparison

The current KBUF Sharpe Ratio is -0.02, which is lower than the KSTR Sharpe Ratio of 1.04. The chart below compares the historical Sharpe Ratios of KBUF and KSTR, 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

	KBUF	KSTR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.02	1.04	-1.06
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.08	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.82	-0.15	+0.96

Correlation

The correlation between KBUF and KSTR is 0.53, 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

KBUF vs. KSTR - Dividend Comparison

KBUF's dividend yield for the trailing twelve months is around 8.20%, while KSTR has not paid dividends to shareholders.

	TTM	2025	2024
KBUF KraneShares 90% KWEB Defined Outcome January 2026 ETF	8.20%	7.51%	3.53%
KSTR KraneShares SSE STAR Market 50 Index ETF	0.00%	0.00%	0.00%

Drawdowns

KBUF vs. KSTR - Drawdown Comparison

The maximum KBUF drawdown since its inception was -14.55%, smaller than the maximum KSTR drawdown of -66.46%. Use the drawdown chart below to compare losses from any high point for KBUF and KSTR.

Drawdown Indicators

	KBUF	KSTR	Difference
Max Drawdown Largest peak-to-trough decline	-14.55%	-66.46%	+51.91%
Max Drawdown (1Y) Largest decline over 1 year	-14.55%	-17.70%	+3.15%
Max Drawdown (5Y) Largest decline over 5 years	—	-66.46%	—
Current Drawdown Current decline from peak	-13.76%	-33.21%	+19.45%
Average Drawdown Average peak-to-trough decline	-3.39%	-39.46%	+36.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.92%	6.68%	-1.76%

Volatility

KBUF vs. KSTR - Volatility Comparison

The current volatility for KraneShares 90% KWEB Defined Outcome January 2026 ETF (KBUF) is 4.42%, while KraneShares SSE STAR Market 50 Index ETF (KSTR) has a volatility of 8.94%. This indicates that KBUF experiences smaller price fluctuations and is considered to be less risky than KSTR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KBUF	KSTR	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.42%	8.94%	-4.52%
Volatility (6M) Calculated over the trailing 6-month period	9.20%	22.35%	-13.15%
Volatility (1Y) Calculated over the trailing 1-year period	12.87%	32.52%	-19.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.07%	37.45%	-23.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.07%	37.24%	-23.17%