UXAP vs. SMAX

Last updated Jun 4, 2026

UXAP (FT Vest U.S. Equity Uncapped Accelerator ETF - April) and SMAX (iShares Large Cap Max Buffer Sep ETF) are both Defined Outcome funds. Both are actively managed. Over the past year, UXAP returned 29.33% vs 9.17% for SMAX. Their correlation of 0.86 suggests significant overlap in exposure. UXAP charges 0.85%/yr vs 0.50%/yr for SMAX.

Performance

UXAP vs. SMAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Vest U.S. Equity Uncapped Accelerator ETF - April (UXAP) and iShares Large Cap Max Buffer Sep ETF (SMAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, UXAP achieves a 11.50% return, which is significantly higher than SMAX's 3.09% return.

UXAP

• 1D: -0.66%
• 1M: 5.70%
• YTD: 11.50%
• 6M: 11.41%
• 1Y: 29.33%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SMAX

• 1D: -0.09%
• 1M: 1.09%
• YTD: 3.09%
• 6M: 3.54%
• 1Y: 9.17%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

UXAP vs. SMAX - Yearly Performance Comparison

	2026 (YTD)	2025
UXAP FT Vest U.S. Equity Uncapped Accelerator ETF - April	11.50%	35.69%
SMAX iShares Large Cap Max Buffer Sep ETF	3.09%	10.11%

Correlation

The correlation between UXAP and SMAX is 0.86, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.86
Correlation (All Time) Calculated using the full available price history since Apr 22, 2025	0.86

The correlation between UXAP and SMAX has been stable across timeframes, ranging from 0.86 to 0.86 - a consistent structural relationship.

Return for Risk

UXAP vs. SMAX — Risk / Return Rank

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

UXAP

UXAP Risk / Return Rank: 65
UXAP Sharpe Ratio Rank: 67
UXAP Sortino Ratio Rank: 64
UXAP Omega Ratio Rank: 64
UXAP Calmar Ratio Rank: 58
UXAP Martin Ratio Rank: 70

SMAX

SMAX Risk / Return Rank: 93
SMAX Sharpe Ratio Rank: 93
SMAX Sortino Ratio Rank: 95
SMAX Omega Ratio Rank: 95
SMAX Calmar Ratio Rank: 86
SMAX Martin Ratio Rank: 94

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.

UXAP vs. SMAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Vest U.S. Equity Uncapped Accelerator ETF - April (UXAP) and iShares Large Cap Max Buffer Sep ETF (SMAX). 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.

	UXAP	SMAX	Difference
Sharpe ratio: Return per unit of total volatility	2.17	3.46	-1.29
Sortino ratio: Return per unit of downside risk	2.95	5.32	-2.37
Omega ratio: Gain probability vs. loss probability	1.38	1.75	-0.37
Calmar ratio: Return relative to maximum drawdown	2.82	4.81	-1.99
Martin ratio: Return relative to average drawdown	12.81	26.11	-13.30
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

UXAP vs. SMAX - Sharpe Ratio Comparison

The current UXAP Sharpe Ratio is 2.17, which is lower than the SMAX Sharpe Ratio of 3.46. The chart below compares the historical Sharpe Ratios of UXAP and SMAX, 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

	UXAP	SMAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.17	3.46	-1.29
Sharpe Ratio (All Time) Calculated using the full available price history	3.18	2.01	+1.18

Drawdowns

UXAP vs. SMAX - Drawdown Comparison

The maximum UXAP drawdown since its inception was -10.45%, which is greater than SMAX's maximum drawdown of -3.90%. Use the drawdown chart below to compare losses from any high point for UXAP and SMAX.

Drawdown Indicators

	UXAP	SMAX	Difference
Max Drawdown Largest peak-to-trough decline	-10.45%	-3.90%	-6.55%
Max Drawdown (1Y) Largest decline over 1 year	-10.45%	-1.91%	-8.54%
Current Drawdown Current decline from peak	-0.66%	-0.09%	-0.57%
Average Drawdown Average peak-to-trough decline	-1.24%	-0.40%	-0.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.29%	0.35%	+1.94%

Volatility

UXAP vs. SMAX - Volatility Comparison

FT Vest U.S. Equity Uncapped Accelerator ETF - April (UXAP) has a higher volatility of 3.26% compared to iShares Large Cap Max Buffer Sep ETF (SMAX) at 0.38%. This indicates that UXAP's price experiences larger fluctuations and is considered to be riskier than SMAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	UXAP	SMAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.26%	0.38%	+2.88%
Volatility (6M) Calculated over the trailing 6-month period	10.36%	2.10%	+8.26%
Volatility (1Y) Calculated over the trailing 1-year period	13.59%	2.67%	+10.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.15%	3.67%	+10.48%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.15%	3.67%	+10.48%

UXAP vs. SMAX - Expense Ratio Comparison

UXAP has a 0.85% expense ratio, which is higher than SMAX's 0.50% expense ratio.

Dividends

UXAP vs. SMAX - Dividend Comparison

UXAP has not paid dividends to shareholders, while SMAX's dividend yield for the trailing twelve months is around 0.95%.

Position	TTM	2025	2024
SMAX iShares Large Cap Max Buffer Sep ETF	0.95%	0.98%	0.27%
UXAP FT Vest U.S. Equity Uncapped Accelerator ETF - April	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both UXAP and SMAX in my portfolio?

UXAP and SMAX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, UXAP or SMAX?

UXAP has higher volatility (3.26%) compared to SMAX (0.38%). In terms of maximum drawdown, UXAP dropped -10.45% vs SMAX's -3.90%.

Which ETF is better, UXAP or SMAX?

On 1-year performance, UXAP leads with 29.33% vs 9.17% for SMAX. On fees, SMAX is cheaper at 0.50% per year. On volatility, SMAX has been the lower-risk option at 0.38%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, UXAP or SMAX?

Over the 1-year period, UXAP has performed better with a 29.33% return vs 9.17%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, UXAP or SMAX?

SMAX is cheaper with a 0.50% expense ratio, compared with 0.85% for UXAP.

Which ETF pays a higher dividend yield, UXAP or SMAX?

SMAX has the higher dividend yield at 0.95%, compared with 0.00% for UXAP.

What is the main difference between UXAP and SMAX?

They also come from different issuers: First Trust and iShares. Their fees differ too: 0.85% for UXAP and 0.50% for SMAX.

Which has better risk-adjusted returns?

SMAX currently has the higher Sharpe Ratio (3.46 vs 2.17), 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.