TDEC vs. FBUF

Last updated Apr 18, 2026

TDEC (FT Vest Emerging Markets Buffer ETF - December) and FBUF (Fidelity Dynamic Buffered Equity ETF) are both Defined Outcome funds. TDEC is passively managed, while FBUF is actively managed. Over the past year, TDEC returned 29.79% vs 22.59% for FBUF. A 0.61 correlation means they provide meaningful diversification when combined. TDEC charges 0.95%/yr vs 0.48%/yr for FBUF.

Performance

TDEC vs. FBUF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Vest Emerging Markets Buffer ETF - December (TDEC) and Fidelity Dynamic Buffered Equity ETF (FBUF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TDEC achieves a 7.08% return, which is significantly higher than FBUF's 0.96% return.

TDEC

• 1D: 0.81%
• 1M: 5.43%
• YTD: 7.08%
• 6M: 10.69%
• 1Y: 29.79%
• 3Y*: —
• 5Y*: —
• 10Y*: —

FBUF

• 1D: 0.23%
• 1M: 2.27%
• YTD: 0.96%
• 6M: 4.64%
• 1Y: 22.59%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TDEC vs. FBUF - Yearly Performance Comparison

	2026 (YTD)	2025	2024
TDEC FT Vest Emerging Markets Buffer ETF - December	7.08%	21.39%	-0.70%
FBUF Fidelity Dynamic Buffered Equity ETF	0.96%	14.01%	-0.82%

Correlation

The correlation between TDEC and FBUF is 0.58, 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	0.58
Correlation (All Time) Calculated using the full available price history since Dec 24, 2024	0.61

The correlation between TDEC and FBUF has been stable across timeframes, ranging from 0.58 to 0.61 — a consistent structural relationship.

Return for Risk

TDEC vs. FBUF — Risk / Return Rank

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

TDEC

TDEC Risk / Return Rank: 80
TDEC Sharpe Ratio Rank: 84
TDEC Sortino Ratio Rank: 84
TDEC Omega Ratio Rank: 93
TDEC Calmar Ratio Rank: 63
TDEC Martin Ratio Rank: 76

FBUF

FBUF Risk / Return Rank: 75
FBUF Sharpe Ratio Rank: 77
FBUF Sortino Ratio Rank: 76
FBUF Omega Ratio Rank: 84
FBUF Calmar Ratio Rank: 62
FBUF Martin Ratio Rank: 75

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.

TDEC vs. FBUF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Vest Emerging Markets Buffer ETF - December (TDEC) and Fidelity Dynamic Buffered Equity ETF (FBUF). 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.

	TDEC	FBUF	Difference
Sharpe ratio Return per unit of total volatility	3.00	2.82	+0.17
Sortino ratio Return per unit of downside risk	4.18	3.86	+0.32
Omega ratio Gain probability vs. loss probability	1.70	1.57	+0.13
Calmar ratio Return relative to maximum drawdown	3.60	3.65	-0.05
Martin ratio Return relative to average drawdown	16.04	16.35	-0.32
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TDEC vs. FBUF - Sharpe Ratio Comparison

The current TDEC Sharpe Ratio is 3.00, which is comparable to the FBUF Sharpe Ratio of 2.82. The chart below compares the historical Sharpe Ratios of TDEC and FBUF, 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

	TDEC	FBUF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.00	2.82	+0.17
Sharpe Ratio (All Time) Calculated using the full available price history	1.82	1.28	+0.53

Drawdowns

TDEC vs. FBUF - Drawdown Comparison

The maximum TDEC drawdown since its inception was -10.30%, smaller than the maximum FBUF drawdown of -11.09%. Use the drawdown chart below to compare losses from any high point for TDEC and FBUF.

Drawdown Indicators

	TDEC	FBUF	Difference
Max Drawdown Largest peak-to-trough decline	-10.30%	-11.09%	+0.79%
Max Drawdown (1Y) Largest decline over 1 year	-8.16%	-5.61%	-2.55%
Current Drawdown Current decline from peak	0.00%	-0.92%	+0.92%
Average Drawdown Average peak-to-trough decline	-1.08%	-1.45%	+0.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.83%	1.25%	+0.58%

Volatility

TDEC vs. FBUF - Volatility Comparison

FT Vest Emerging Markets Buffer ETF - December (TDEC) has a higher volatility of 5.92% compared to Fidelity Dynamic Buffered Equity ETF (FBUF) at 2.90%. This indicates that TDEC's price experiences larger fluctuations and is considered to be riskier than FBUF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TDEC	FBUF	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.92%	2.90%	+3.02%
Volatility (6M) Calculated over the trailing 6-month period	8.43%	6.22%	+2.21%
Volatility (1Y) Calculated over the trailing 1-year period	10.04%	8.08%	+1.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.95%	9.80%	+2.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.95%	9.80%	+2.15%

TDEC vs. FBUF - Expense Ratio Comparison

TDEC has a 0.95% expense ratio, which is higher than FBUF's 0.48% expense ratio.

Dividends

TDEC vs. FBUF - Dividend Comparison

TDEC has not paid dividends to shareholders, while FBUF's dividend yield for the trailing twelve months is around 0.65%.

	TTM	2025	2024
TDEC FT Vest Emerging Markets Buffer ETF - December	0.00%	0.00%	0.00%
FBUF Fidelity Dynamic Buffered Equity ETF	0.65%	0.64%	0.54%