UDEC vs. BDEC

Last updated Aug 2, 2026

UDEC (Innovator U.S. Equity Ultra Buffer ETF - December) and BDEC (Innovator U.S. Equity Buffer ETF - December) are both Defined Outcome funds from Innovator - UDEC tracks the S&P 500 while BDEC tracks the Cboe S&P 500 Buffer Protect Index December. Both are passively managed. Over the past 5 years, UDEC returned 7.33%/yr vs 9.90%/yr for BDEC. Their correlation of 0.91 means they have usually moved in the same direction. Both charge a 0.79% expense ratio.

Performance

UDEC vs. BDEC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator U.S. Equity Ultra Buffer ETF - December (UDEC) and Innovator U.S. Equity Buffer ETF - December (BDEC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, UDEC achieves a 6.03% return, which is significantly lower than BDEC's 8.00% return.

UDEC

• 1D: 0.48%
• 1M: 0.86%
• 6M: 5.15%
• YTD: 6.03%
• 1Y: 14.90%
• 3Y*: 10.99%
• 5Y*: 7.33%
• 10Y*: —
• ALL TIME*: 7.23%

BDEC

• 1D: 0.74%
• 1M: 0.72%
• 6M: 7.11%
• YTD: 8.00%
• 1Y: 18.12%
• 3Y*: 12.91%
• 5Y*: 9.90%
• 10Y*: —
• ALL TIME*: 11.13%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
BDEC Innovator U.S. Equity Buffer ETF - December	$295.72K	$323.89K	$1.43M
UDEC Innovator U.S. Equity Ultra Buffer ETF - December	$474.96K	$390.03K	$1.51M

UDEC vs. BDEC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
UDEC Innovator U.S. Equity Ultra Buffer ETF - December	6.03%	12.97%	9.52%	16.80%	-9.44%	6.44%	6.72%	1.00%
BDEC Innovator U.S. Equity Buffer ETF - December	8.00%	14.96%	12.71%	19.86%	-9.42%	15.45%	13.39%	1.55%

Correlation

The correlation between UDEC and BDEC is 0.95 - they have historically moved very closely together. At this level, their price movements offset little of one another.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.95
Correlation (3Y) Balances recent behavior with more history.	0.95
Correlation (5Y) Shows whether the relationship held over a longer period.	0.92
Correlation (All Time) Calculated using the full available price history since Dec 2, 2019	0.91

The correlation between UDEC and BDEC has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.

UDEC vs. BDEC - Sectors Allocation Comparison

Sectors	UDEC	BDEC
Technology	37.9%	37.9%
Financial Services	11.7%	11.7%
Communication Services	10.0%	10.0%
Consumer Cyclical	9.6%	9.6%
Healthcare	9.1%	9.1%
Industrials	8.4%	8.4%
Consumer Defensive	4.6%	4.6%
Energy	3.0%	3.0%
Utilities	2.3%	2.3%
Real Estate	1.9%	1.9%
Basic Materials	1.7%	1.7%

Return for Risk

UDEC vs. BDEC — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

UDEC

UDEC Risk / Return Rank: 87
UDEC Sharpe Ratio Rank: 86
UDEC Sortino Ratio Rank: 87
UDEC Omega Ratio Rank: 88
UDEC Calmar Ratio Rank: 83
UDEC Martin Ratio Rank: 90

BDEC

BDEC Risk / Return Rank: 79
BDEC Sharpe Ratio Rank: 79
BDEC Sortino Ratio Rank: 79
BDEC Omega Ratio Rank: 79
BDEC Calmar Ratio Rank: 74
BDEC Martin Ratio Rank: 85

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

UDEC vs. BDEC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator U.S. Equity Ultra Buffer ETF - December (UDEC) and Innovator U.S. Equity Buffer ETF - December (BDEC). 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.

	UDEC	BDEC	Difference
Sharpe ratio: Return per unit of total volatility	2.06	1.81	+0.25
Sortino ratio: Return per unit of downside risk	2.98	2.56	+0.42
Omega ratio: Gain probability vs. loss probability	1.40	1.33	+0.06
Calmar ratio: Return relative to maximum drawdown	3.10	2.57	+0.52
Martin ratio: Return relative to average drawdown	14.84	11.84	+3.00

UDEC vs. BDEC - Sharpe Ratio Comparison

The current UDEC Sharpe Ratio is 2.06, which is comparable to the BDEC Sharpe Ratio of 1.81. The chart below compares the historical Sharpe Ratios of UDEC and BDEC, 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

UDEC vs. BDEC - Drawdown Comparison

The maximum UDEC drawdown since its inception was -13.37%, smaller than the maximum BDEC drawdown of -25.60%. Use the drawdown chart below to compare losses from any high point for UDEC and BDEC.

Drawdown Indicators

	UDEC	BDEC	Difference
Max Drawdown Largest peak-to-trough decline	-13.37%	-25.60%	+12.23%
Max Drawdown (1Y) Largest decline over 1 year	-4.44%	-6.52%	+2.08%
Max Drawdown (3Y) Largest decline over 3 years	-8.94%	-13.95%	+5.01%
Max Drawdown (5Y) Largest decline over 5 years	-10.26%	-16.44%	+6.18%
Current Drawdown Current decline from peak	0.00%	-0.33%	+0.33%
Average Drawdown Average peak-to-trough decline	-2.12%	-3.00%	+0.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.93%	1.42%	-0.49%

Volatility

UDEC vs. BDEC - Volatility Comparison

The current volatility for Innovator U.S. Equity Ultra Buffer ETF - December (UDEC) is 1.76%, while Innovator U.S. Equity Buffer ETF - December (BDEC) has a volatility of 2.49%. This indicates that UDEC experiences smaller price fluctuations and is considered to be less risky than BDEC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	UDEC	BDEC	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.76%	2.49%	-0.73%
Volatility (6M) Calculated over the trailing 6-month period	4.61%	6.97%	-2.36%
Volatility (1Y) Calculated over the trailing 1-year period	6.68%	9.29%	-2.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.26%	12.06%	-4.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.98%	14.17%	-6.19%

UDEC vs. BDEC - Expense Ratio Comparison

Both UDEC and BDEC have an expense ratio of 0.79%.

Dividends

UDEC vs. BDEC - Dividend Comparison

Neither UDEC nor BDEC has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both UDEC and BDEC in my portfolio?

With a correlation of 0.95, UDEC and BDEC 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 is riskier, UDEC or BDEC?

BDEC has higher volatility (2.49%) compared to UDEC (1.76%). In terms of maximum drawdown, UDEC dropped -13.37% vs BDEC's -25.60%.

Which ETF is better, UDEC or BDEC?

On 5-year performance, BDEC leads with 9.90% vs 7.33% for UDEC. Both ETFs have the same 0.79% expense ratio. On volatility, UDEC has been the lower-risk option at 1.76%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, UDEC or BDEC?

Over the 5-year period, BDEC has performed better with a 9.90% return vs 7.33%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, UDEC or BDEC?

UDEC and BDEC have the same expense ratio: 0.79% per year.

Which ETF pays a higher dividend yield, UDEC or BDEC?

UDEC and BDEC have nearly identical dividend yields, around 0.00%.

What is the main difference between UDEC and BDEC?

UDEC tracks S&P 500, while BDEC tracks Cboe S&P 500 Buffer Protect Index December.

Which has better risk-adjusted returns?

UDEC currently has the higher Sharpe Ratio (2.06 vs 1.81), 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.