KEMX vs. TDEC

Last updated Aug 4, 2026

KEMX (KraneShares MSCI Emerging Markets ex China Index ETF) and TDEC (FT Vest Emerging Markets Buffer ETF - December) are both exchange-traded funds - KEMX is a Emerging Markets Equities fund tracking the MSCI Emerging Markets ex China Index, while TDEC is a Defined Outcome fund tracking the MSCI Emerging Markets. Both are passively managed. Over the past year, KEMX returned 56.00% vs 18.55% for TDEC. Their correlation of 0.86 means they have usually moved in the same direction. KEMX charges 0.25%/yr vs 0.95%/yr for TDEC.

Performance

KEMX vs. TDEC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in KraneShares MSCI Emerging Markets ex China Index ETF (KEMX) and FT Vest Emerging Markets Buffer ETF - December (TDEC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, KEMX achieves a 30.22% return, which is significantly higher than TDEC's 8.63% return.

KEMX

• 1D: 0.80%
• 1M: -4.08%
• 6M: 16.35%
• YTD: 30.22%
• 1Y: 56.00%
• 3Y*: 25.12%
• 5Y*: 12.08%
• 10Y*: —
• ALL TIME*: 12.50%

TDEC

• 1D: 0.34%
• 1M: 1.07%
• 6M: 4.11%
• YTD: 8.63%
• 1Y: 18.55%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 18.20%

*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)
KEMX KraneShares MSCI Emerging Markets ex China Index ETF	$527.87K	$528.96K	$586.53K
TDEC FT Vest Emerging Markets Buffer ETF - December	$55.26K	$76.69K	$194.15K

KEMX vs. TDEC - Yearly Performance Comparison

	2026 (YTD)	2025	2024
KEMX KraneShares MSCI Emerging Markets ex China Index ETF	30.22%	38.28%	-1.31%
TDEC FT Vest Emerging Markets Buffer ETF - December	8.63%	21.39%	-0.75%

Correlation

The correlation between KEMX and TDEC is 0.88, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.88
Correlation (All Time) Calculated using the full available price history since Dec 23, 2024	0.86

The correlation between KEMX and TDEC has been stable across timeframes, ranging from 0.86 to 0.88 - a consistent structural relationship.

Return for Risk

KEMX vs. TDEC — Risk / Return Rank

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

KEMX

KEMX Risk / Return Rank: 83
KEMX Sharpe Ratio Rank: 85
KEMX Sortino Ratio Rank: 78
KEMX Omega Ratio Rank: 83
KEMX Calmar Ratio Rank: 86
KEMX Martin Ratio Rank: 80

TDEC

TDEC Risk / Return Rank: 68
TDEC Sharpe Ratio Rank: 67
TDEC Sortino Ratio Rank: 65
TDEC Omega Ratio Rank: 80
TDEC Calmar Ratio Rank: 60
TDEC Martin Ratio Rank: 69

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.

KEMX vs. TDEC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for KraneShares MSCI Emerging Markets ex China Index ETF (KEMX) and FT Vest Emerging Markets Buffer ETF - December (TDEC). 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.

	KEMX	TDEC	Difference
Sharpe ratio: Return per unit of total volatility	2.09	1.69	+0.40
Sortino ratio: Return per unit of downside risk	2.64	2.34	+0.30
Omega ratio: Gain probability vs. loss probability	1.37	1.36	+0.01
Calmar ratio: Return relative to maximum drawdown	3.49	2.28	+1.21
Martin ratio: Return relative to average drawdown	10.97	9.26	+1.71

KEMX vs. TDEC - Sharpe Ratio Comparison

The current KEMX Sharpe Ratio is 2.09, which is comparable to the TDEC Sharpe Ratio of 1.69. The chart below compares the historical Sharpe Ratios of KEMX and TDEC, 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

KEMX vs. TDEC - Drawdown Comparison

The maximum KEMX drawdown since its inception was -38.80%, which is greater than TDEC's maximum drawdown of -10.30%. Use the drawdown chart below to compare losses from any high point for KEMX and TDEC.

Drawdown Indicators

	KEMX	TDEC	Difference
Max Drawdown Largest peak-to-trough decline	-38.80%	-10.30%	-28.50%
Max Drawdown (1Y) Largest decline over 1 year	-16.11%	-8.16%	-7.95%
Max Drawdown (3Y) Largest decline over 3 years	-19.62%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-30.85%	—	—
Current Drawdown Current decline from peak	-11.37%	-1.25%	-10.12%
Average Drawdown Average peak-to-trough decline	-8.82%	-1.12%	-7.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.12%	2.01%	+3.11%

Volatility

KEMX vs. TDEC - Volatility Comparison

KraneShares MSCI Emerging Markets ex China Index ETF (KEMX) has a higher volatility of 9.60% compared to FT Vest Emerging Markets Buffer ETF - December (TDEC) at 3.53%. This indicates that KEMX's price experiences larger fluctuations and is considered to be riskier than TDEC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KEMX	TDEC	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.60%	3.53%	+6.07%
Volatility (6M) Calculated over the trailing 6-month period	24.90%	10.26%	+14.64%
Volatility (1Y) Calculated over the trailing 1-year period	26.99%	11.07%	+15.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.41%	11.97%	+7.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.51%	11.97%	+9.54%

KEMX vs. TDEC - Expense Ratio Comparison

KEMX has a 0.25% expense ratio, which is lower than TDEC's 0.95% expense ratio.

Dividends

KEMX vs. TDEC - Dividend Comparison

KEMX's dividend yield for the trailing twelve months is around 2.52%, while TDEC has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
KEMX KraneShares MSCI Emerging Markets ex China Index ETF	2.52%	3.28%	3.39%	2.00%	4.10%	4.79%	1.69%	2.77%
TDEC FT Vest Emerging Markets Buffer ETF - December	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both KEMX and TDEC in my portfolio?

KEMX and TDEC have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, KEMX or TDEC?

KEMX has higher volatility (9.60%) compared to TDEC (3.53%). In terms of maximum drawdown, KEMX dropped -38.80% vs TDEC's -10.30%.

Which ETF is better, KEMX or TDEC?

On 1-year performance, KEMX leads with 56.00% vs 18.55% for TDEC. On fees, KEMX is cheaper at 0.25% per year. On volatility, TDEC has been the lower-risk option at 3.53%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, KEMX or TDEC?

Over the 1-year period, KEMX has performed better with a 56.00% return vs 18.55%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, KEMX or TDEC?

KEMX is cheaper with a 0.25% expense ratio, compared with 0.95% for TDEC.

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

KEMX has the higher dividend yield at 2.52%, compared with 0.00% for TDEC.

What is the main difference between KEMX and TDEC?

KEMX is categorized as Emerging Markets Equities, while TDEC is Defined Outcome. KEMX tracks MSCI Emerging Markets ex China Index, while TDEC tracks MSCI Emerging Markets. They also come from different issuers: CICC and FT Vest. Their fees differ too: 0.25% for KEMX and 0.95% for TDEC.

Which has better risk-adjusted returns?

KEMX currently has the higher Sharpe Ratio (2.09 vs 1.69), 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.