BUXX vs. STXK

Last updated Jun 23, 2026

BUXX (Strive Enhanced Income Short Maturity ETF) and STXK (Strive Small-Cap ETF) are both exchange-traded funds - BUXX is a Ultrashort Bond fund actively managed by Strive, while STXK is a Small Cap Blend Equities fund tracking the Bloomberg US 600 Index - Benchmark TR Gross. BUXX is actively managed, while STXK is passively managed. Over the past year, BUXX returned 4.30% vs 29.64% for STXK. At a 0.11 correlation, their price movements are largely independent. BUXX charges 0.26%/yr vs 0.18%/yr for STXK.

Performance

BUXX vs. STXK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Strive Enhanced Income Short Maturity ETF (BUXX) and Strive Small-Cap ETF (STXK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BUXX achieves a 1.81% return, which is significantly lower than STXK's 14.15% return.

BUXX

• 1D: 0.05%
• 1M: 0.36%
• YTD: 1.81%
• 6M: 1.94%
• 1Y: 4.30%
• 3Y*: —
• 5Y*: —
• 10Y*: —

STXK

• 1D: 0.35%
• 1M: 3.88%
• YTD: 14.15%
• 6M: 11.44%
• 1Y: 29.64%
• 3Y*: 15.69%
• 5Y*: —
• 10Y*: —

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

BUXX vs. STXK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
BUXX Strive Enhanced Income Short Maturity ETF	1.81%	4.84%	6.18%	2.86%
STXK Strive Small-Cap ETF	14.15%	7.82%	9.47%	8.16%

Correlation

The correlation between BUXX and STXK is 0.06, 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	0.06
Correlation (All Time) Calculated using the full available price history since Aug 10, 2023	0.11

Return for Risk

BUXX vs. STXK — Risk / Return Rank

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

BUXX

BUXX Risk / Return Rank: 97
BUXX Sharpe Ratio Rank: 95
BUXX Sortino Ratio Rank: 97
BUXX Omega Ratio Rank: 97
BUXX Calmar Ratio Rank: 98
BUXX Martin Ratio Rank: 98

STXK

STXK Risk / Return Rank: 56
STXK Sharpe Ratio Rank: 53
STXK Sortino Ratio Rank: 55
STXK Omega Ratio Rank: 49
STXK Calmar Ratio Rank: 63
STXK Martin Ratio Rank: 60

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.

BUXX vs. STXK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Strive Enhanced Income Short Maturity ETF (BUXX) and Strive Small-Cap ETF (STXK). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	BUXX	STXK	Difference
Sharpe ratio: Return per unit of total volatility	3.49	1.75	+1.74
Sortino ratio: Return per unit of downside risk	5.75	2.56	+3.19
Omega ratio: Gain probability vs. loss probability	1.84	1.30	+0.54
Calmar ratio: Return relative to maximum drawdown	14.68	3.03	+11.64
Martin ratio: Return relative to average drawdown	58.03	10.51	+47.53

BUXX vs. STXK - Sharpe Ratio Comparison

The current BUXX Sharpe Ratio is 3.49, which is higher than the STXK Sharpe Ratio of 1.75. The chart below compares the historical Sharpe Ratios of BUXX and STXK, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BUXX vs. STXK - Drawdown Comparison

The maximum BUXX drawdown since its inception was -0.60%, smaller than the maximum STXK drawdown of -27.12%. Use the drawdown chart below to compare losses from any high point for BUXX and STXK.

Drawdown Indicators

	BUXX	STXK	Difference
Max Drawdown Largest peak-to-trough decline	-0.60%	-27.12%	+26.52%
Max Drawdown (1Y) Largest decline over 1 year	-0.29%	-9.81%	+9.52%
Max Drawdown (3Y) Largest decline over 3 years	—	-27.12%	—
Current Drawdown Current decline from peak	-0.15%	0.00%	-0.15%
Average Drawdown Average peak-to-trough decline	-0.05%	-5.54%	+5.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.07%	2.83%	-2.76%

Volatility

BUXX vs. STXK - Volatility Comparison

The current volatility for Strive Enhanced Income Short Maturity ETF (BUXX) is 0.42%, while Strive Small-Cap ETF (STXK) has a volatility of 4.52%. This indicates that BUXX experiences smaller price fluctuations and is considered to be less risky than STXK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BUXX	STXK	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.42%	4.52%	-4.10%
Volatility (6M) Calculated over the trailing 6-month period	0.79%	11.87%	-11.08%
Volatility (1Y) Calculated over the trailing 1-year period	1.24%	17.01%	-15.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.46%	20.11%	-18.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.46%	20.11%	-18.65%

BUXX vs. STXK - Expense Ratio Comparison

BUXX has a 0.26% expense ratio, which is higher than STXK's 0.18% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

BUXX vs. STXK - Dividend Comparison

BUXX's dividend yield for the trailing twelve months is around 4.72%, more than STXK's 1.34% yield.

Position	TTM	2025	2024	2023	2022
BUXX Strive Enhanced Income Short Maturity ETF	4.72%	4.95%	5.55%	1.92%	0.00%
STXK Strive Small-Cap ETF	1.34%	1.29%	1.64%	1.14%	0.31%

Frequently Asked Questions

Can I hold both BUXX and STXK in my portfolio?

BUXX and STXK have a correlation of 0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BUXX or STXK?

STXK has higher volatility (4.52%) compared to BUXX (0.42%). In terms of maximum drawdown, BUXX dropped -0.60% vs STXK's -27.12%.

Which ETF is better, BUXX or STXK?

On 1-year performance, STXK leads with 29.64% vs 4.30% for BUXX. On fees, STXK is cheaper at 0.18% per year. On volatility, BUXX has been the lower-risk option at 0.42%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BUXX or STXK?

Over the 1-year period, STXK has performed better with a 29.64% return vs 4.30%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BUXX or STXK?

STXK is cheaper with a 0.18% expense ratio, compared with 0.26% for BUXX.

Which ETF pays a higher dividend yield, BUXX or STXK?

BUXX has the higher dividend yield at 4.72%, compared with 1.34% for STXK.

What is the main difference between BUXX and STXK?

BUXX is categorized as Ultrashort Bond, while STXK is Small Cap Blend Equities. Their fees differ too: 0.26% for BUXX and 0.18% for STXK.

Which has better risk-adjusted returns?

BUXX currently has the higher Sharpe Ratio (3.49 vs 1.75), 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.