SPBX vs. APRB

Last updated Jun 6, 2026

SPBX (AllianzIM 6 Month Buffer10 Allocation ETF) and APRB (Aptus April Buffer ETF) are both Defined Outcome funds. Both are actively managed. Their correlation of 0.94 suggests significant overlap in exposure. SPBX charges 0.79%/yr vs 0.25%/yr for APRB.

Performance

SPBX vs. APRB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AllianzIM 6 Month Buffer10 Allocation ETF (SPBX) and Aptus April Buffer ETF (APRB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPBX achieves a 5.05% return, which is significantly higher than APRB's 4.20% return.

SPBX

• 1D: -0.77%
• 1M: 0.55%
• YTD: 5.05%
• 6M: 5.64%
• 1Y: 14.18%
• 3Y*: —
• 5Y*: —
• 10Y*: —

APRB

• 1D: -0.71%
• 1M: 0.55%
• YTD: 4.20%
• 6M: 4.58%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SPBX vs. APRB - Yearly Performance Comparison

	2026 (YTD)	2025
SPBX AllianzIM 6 Month Buffer10 Allocation ETF	5.05%	2.51%
APRB Aptus April Buffer ETF	4.20%	2.48%

Correlation

The correlation between SPBX and APRB is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 15, 2025	0.94

Return for Risk

SPBX vs. APRB — Risk / Return Rank

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

SPBX

SPBX Risk / Return Rank: 82
SPBX Sharpe Ratio Rank: 83
SPBX Sortino Ratio Rank: 87
SPBX Omega Ratio Rank: 87
SPBX Calmar Ratio Rank: 68
SPBX Martin Ratio Rank: 82

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.

SPBX vs. APRB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AllianzIM 6 Month Buffer10 Allocation ETF (SPBX) and Aptus April Buffer ETF (APRB). 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.

	SPBX	APRB	Difference
Sharpe ratio: Return per unit of total volatility	2.54	—	—
Sortino ratio: Return per unit of downside risk	3.72	—	—
Omega ratio: Gain probability vs. loss probability	1.51	—	—
Calmar ratio: Return relative to maximum drawdown	3.17	—	—
Martin ratio: Return relative to average drawdown	15.47	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	SPBX	APRB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.54	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.15	1.81	-0.66

Drawdowns

SPBX vs. APRB - Drawdown Comparison

The maximum SPBX drawdown since its inception was -11.11%, which is greater than APRB's maximum drawdown of -4.59%. Use the drawdown chart below to compare losses from any high point for SPBX and APRB.

Drawdown Indicators

	SPBX	APRB	Difference
Max Drawdown Largest peak-to-trough decline	-11.11%	-4.59%	-6.52%
Max Drawdown (1Y) Largest decline over 1 year	-4.49%	—	—
Current Drawdown Current decline from peak	-0.80%	-0.71%	-0.09%
Average Drawdown Average peak-to-trough decline	-1.15%	-0.74%	-0.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.92%	—	—

Volatility

Volatility by Period

	SPBX	APRB	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.13%	—	—
Volatility (6M) Calculated over the trailing 6-month period	4.60%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	5.62%	6.01%	-0.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.41%	6.01%	+3.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.41%	6.01%	+3.40%

SPBX vs. APRB - Expense Ratio Comparison

SPBX has a 0.79% expense ratio, which is higher than APRB's 0.25% expense ratio.

Dividends

SPBX vs. APRB - Dividend Comparison

Neither SPBX nor APRB has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both SPBX and APRB in my portfolio?

With a correlation of 0.94, SPBX and APRB move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which ETF is better, SPBX or APRB?

On fees, APRB is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SPBX or APRB?

APRB is cheaper with a 0.25% expense ratio, compared with 0.79% for SPBX.

Which ETF pays a higher dividend yield, SPBX or APRB?

SPBX and APRB have nearly identical dividend yields, around 0.00%.

What is the main difference between SPBX and APRB?

They also come from different issuers: Allianz and Aptus Capital Advisors. Their fees differ too: 0.79% for SPBX and 0.25% for APRB.