RSDE vs. ZAPR

Last updated Jun 20, 2026

RSDE (FT Vest U.S. Equity Equal Weight Buffer ETF - December) and ZAPR (Innovator Equity Defined Protection ETF - 1 Yr April) are both Defined Outcome funds. RSDE is passively managed, while ZAPR is actively managed. Over the past year, RSDE returned 14.03% vs 7.00% for ZAPR. A 0.57 correlation means they provide meaningful diversification when combined. RSDE charges 0.85%/yr vs 0.79%/yr for ZAPR.

Performance

RSDE vs. ZAPR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Vest U.S. Equity Equal Weight Buffer ETF - December (RSDE) and Innovator Equity Defined Protection ETF - 1 Yr April (ZAPR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RSDE achieves a 6.62% return, which is significantly higher than ZAPR's 3.18% return.

RSDE

• 1D: 0.41%
• 1M: 1.80%
• YTD: 6.62%
• 6M: 6.08%
• 1Y: 14.03%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ZAPR

• 1D: 0.06%
• 1M: 0.08%
• YTD: 3.18%
• 6M: 3.28%
• 1Y: 7.00%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

RSDE vs. ZAPR - Yearly Performance Comparison

	2026 (YTD)	2025
RSDE FT Vest U.S. Equity Equal Weight Buffer ETF - December	6.62%	8.80%
ZAPR Innovator Equity Defined Protection ETF - 1 Yr April	3.18%	5.31%

Correlation

The correlation between RSDE and ZAPR is 0.50, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.50
Correlation (All Time) Calculated using the full available price history since Apr 1, 2025	0.57

The correlation between RSDE and ZAPR has been stable across timeframes, ranging from 0.50 to 0.57 - a consistent structural relationship.

Return for Risk

RSDE vs. ZAPR — Risk / Return Rank

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

RSDE

RSDE Risk / Return Rank: 57
RSDE Sharpe Ratio Rank: 54
RSDE Sortino Ratio Rank: 56
RSDE Omega Ratio Rank: 52
RSDE Calmar Ratio Rank: 61
RSDE Martin Ratio Rank: 61

ZAPR

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

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.

RSDE vs. ZAPR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Vest U.S. Equity Equal Weight Buffer ETF - December (RSDE) and Innovator Equity Defined Protection ETF - 1 Yr April (ZAPR). 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.

	RSDE	ZAPR	Difference
Sharpe ratio: Return per unit of total volatility	1.77	4.57	-2.80
Sortino ratio: Return per unit of downside risk	2.59	8.17	-5.59
Omega ratio: Gain probability vs. loss probability	1.32	2.17	-0.86
Calmar ratio: Return relative to maximum drawdown	2.94	16.95	-14.02
Martin ratio: Return relative to average drawdown	10.60	78.86	-68.26

RSDE vs. ZAPR - Sharpe Ratio Comparison

The current RSDE Sharpe Ratio is 1.77, which is lower than the ZAPR Sharpe Ratio of 4.57. The chart below compares the historical Sharpe Ratios of RSDE and ZAPR, 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

RSDE vs. ZAPR - Drawdown Comparison

The maximum RSDE drawdown since its inception was -10.77%, which is greater than ZAPR's maximum drawdown of -1.72%. Use the drawdown chart below to compare losses from any high point for RSDE and ZAPR.

Drawdown Indicators

	RSDE	ZAPR	Difference
Max Drawdown Largest peak-to-trough decline	-10.77%	-1.72%	-9.05%
Max Drawdown (1Y) Largest decline over 1 year	-4.83%	-0.40%	-4.43%
Current Drawdown Current decline from peak	-0.48%	-0.13%	-0.35%
Average Drawdown Average peak-to-trough decline	-1.25%	-0.09%	-1.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.34%	0.09%	+1.25%

Volatility

RSDE vs. ZAPR - Volatility Comparison

FT Vest U.S. Equity Equal Weight Buffer ETF - December (RSDE) has a higher volatility of 1.87% compared to Innovator Equity Defined Protection ETF - 1 Yr April (ZAPR) at 0.52%. This indicates that RSDE's price experiences larger fluctuations and is considered to be riskier than ZAPR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RSDE	ZAPR	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.87%	0.52%	+1.35%
Volatility (6M) Calculated over the trailing 6-month period	5.06%	1.10%	+3.96%
Volatility (1Y) Calculated over the trailing 1-year period	8.01%	1.49%	+6.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.95%	2.49%	+8.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.95%	2.49%	+8.46%

RSDE vs. ZAPR - Expense Ratio Comparison

RSDE has a 0.85% expense ratio, which is higher than ZAPR's 0.79% expense ratio.

Dividends

RSDE vs. ZAPR - Dividend Comparison

Neither RSDE nor ZAPR has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both RSDE and ZAPR in my portfolio?

RSDE and ZAPR have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RSDE or ZAPR?

RSDE has higher volatility (1.87%) compared to ZAPR (0.52%). In terms of maximum drawdown, RSDE dropped -10.77% vs ZAPR's -1.72%.

Which ETF is better, RSDE or ZAPR?

On 1-year performance, RSDE leads with 14.03% vs 7.00% for ZAPR. On fees, ZAPR is cheaper at 0.79% per year. On volatility, ZAPR has been the lower-risk option at 0.52%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RSDE or ZAPR?

Over the 1-year period, RSDE has performed better with a 14.03% return vs 7.00%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RSDE or ZAPR?

ZAPR is cheaper with a 0.79% expense ratio, compared with 0.85% for RSDE.

Which ETF pays a higher dividend yield, RSDE or ZAPR?

RSDE and ZAPR have nearly identical dividend yields, around 0.00%.

What is the main difference between RSDE and ZAPR?

They also come from different issuers: FT Vest and Innovator. Their fees differ too: 0.85% for RSDE and 0.79% for ZAPR.

Which has better risk-adjusted returns?

ZAPR currently has the higher Sharpe Ratio (4.57 vs 1.77), 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.