TDEC vs. TWOX

Last updated Jun 23, 2026

TDEC (FT Vest Emerging Markets Buffer ETF - December) and TWOX (iShares Large Cap Accelerated Outcome ETF) are both Defined Outcome funds. TDEC is passively managed, while TWOX is actively managed. Over the past year, TDEC returned 23.62% vs 15.52% for TWOX. A 0.62 correlation means they provide meaningful diversification when combined. TDEC charges 0.95%/yr vs 0.50%/yr for TWOX.

Performance

TDEC vs. TWOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Vest Emerging Markets Buffer ETF - December (TDEC) and iShares Large Cap Accelerated Outcome ETF (TWOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TDEC achieves a 10.01% return, which is significantly higher than TWOX's 2.50% return.

TDEC

• 1D: 0.22%
• 1M: 2.09%
• YTD: 10.01%
• 6M: 11.45%
• 1Y: 23.62%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TWOX

• 1D: 0.03%
• 1M: 0.65%
• YTD: 2.50%
• 6M: 2.34%
• 1Y: 15.52%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TDEC vs. TWOX - Yearly Performance Comparison

	2026 (YTD)	2025
TDEC FT Vest Emerging Markets Buffer ETF - December	10.01%	21.98%
TWOX iShares Large Cap Accelerated Outcome ETF	2.50%	12.99%

Correlation

The correlation between TDEC and TWOX is 0.65, 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	0.65
Correlation (All Time) Calculated using the full available price history since Jan 16, 2025	0.63

The correlation between TDEC and TWOX has been stable across timeframes, ranging from 0.62 to 0.65 - a consistent structural relationship.

Return for Risk

TDEC vs. TWOX — Risk / Return Rank

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

TDEC

TDEC Risk / Return Rank: 73
TDEC Sharpe Ratio Rank: 73
TDEC Sortino Ratio Rank: 73
TDEC Omega Ratio Rank: 87
TDEC Calmar Ratio Rank: 61
TDEC Martin Ratio Rank: 70

TWOX

TWOX Risk / Return Rank: 44
TWOX Sharpe Ratio Rank: 44
TWOX Sortino Ratio Rank: 42
TWOX Omega Ratio Rank: 51
TWOX Calmar Ratio Rank: 34
TWOX Martin Ratio Rank: 48

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. TWOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Vest Emerging Markets Buffer ETF - December (TDEC) and iShares Large Cap Accelerated Outcome ETF (TWOX). 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.

	TDEC	TWOX	Difference
Sharpe ratio: Return per unit of total volatility	2.27	1.50	+0.77
Sortino ratio: Return per unit of downside risk	3.13	2.07	+1.07
Omega ratio: Gain probability vs. loss probability	1.51	1.31	+0.20
Calmar ratio: Return relative to maximum drawdown	2.91	1.64	+1.27
Martin ratio: Return relative to average drawdown	12.58	7.74	+4.84

TDEC vs. TWOX - Sharpe Ratio Comparison

The current TDEC Sharpe Ratio is 2.27, which is higher than the TWOX Sharpe Ratio of 1.50. The chart below compares the historical Sharpe Ratios of TDEC and TWOX, 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

TDEC vs. TWOX - Drawdown Comparison

The maximum TDEC drawdown since its inception was -10.30%, smaller than the maximum TWOX drawdown of -19.35%. Use the drawdown chart below to compare losses from any high point for TDEC and TWOX.

Drawdown Indicators

	TDEC	TWOX	Difference
Max Drawdown Largest peak-to-trough decline	-10.30%	-19.35%	+9.05%
Max Drawdown (1Y) Largest decline over 1 year	-8.16%	-9.51%	+1.35%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-1.04%	-2.55%	+1.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.88%	2.01%	-0.13%

Volatility

TDEC vs. TWOX - Volatility Comparison

FT Vest Emerging Markets Buffer ETF - December (TDEC) has a higher volatility of 3.93% compared to iShares Large Cap Accelerated Outcome ETF (TWOX) at 0.62%. This indicates that TDEC's price experiences larger fluctuations and is considered to be riskier than TWOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TDEC	TWOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.93%	0.62%	+3.31%
Volatility (6M) Calculated over the trailing 6-month period	9.72%	8.02%	+1.70%
Volatility (1Y) Calculated over the trailing 1-year period	10.50%	10.42%	+0.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.91%	16.49%	-4.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.91%	16.49%	-4.58%

TDEC vs. TWOX - Expense Ratio Comparison

TDEC has a 0.95% expense ratio, which is higher than TWOX's 0.50% expense ratio.

Dividends

TDEC vs. TWOX - Dividend Comparison

TDEC has not paid dividends to shareholders, while TWOX's dividend yield for the trailing twelve months is around 0.55%.

Position	TTM	2025
TDEC FT Vest Emerging Markets Buffer ETF - December	0.00%	0.00%
TWOX iShares Large Cap Accelerated Outcome ETF	0.55%	0.57%

Frequently Asked Questions

Can I hold both TDEC and TWOX in my portfolio?

TDEC and TWOX have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TDEC or TWOX?

TDEC has higher volatility (3.93%) compared to TWOX (0.62%). In terms of maximum drawdown, TDEC dropped -10.30% vs TWOX's -19.35%.

Which ETF is better, TDEC or TWOX?

On 1-year performance, TDEC leads with 23.62% vs 15.52% for TWOX. On fees, TWOX is cheaper at 0.50% per year. On volatility, TWOX has been the lower-risk option at 0.62%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TDEC or TWOX?

Over the 1-year period, TDEC has performed better with a 23.62% return vs 15.52%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TDEC or TWOX?

TWOX is cheaper with a 0.50% expense ratio, compared with 0.95% for TDEC.

Which ETF pays a higher dividend yield, TDEC or TWOX?

TWOX has the higher dividend yield at 0.55%, compared with 0.00% for TDEC.

What is the main difference between TDEC and TWOX?

They also come from different issuers: FT Vest and iShares. Their fees differ too: 0.95% for TDEC and 0.50% for TWOX.

Which has better risk-adjusted returns?

TDEC currently has the higher Sharpe Ratio (2.27 vs 1.50), 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.