TEDMX vs. FDFIX

Last updated Jun 23, 2026

TEDMX (Templeton Developing Markets Trust) and FDFIX (Fidelity Flex 500 Index Fund) are both mutual funds - TEDMX is a Emerging Markets Diversified fund managed by Franklin Templeton, while FDFIX is a Large Cap Blend Equities fund tracking the Fidelity U.S. Large Cap Index. Over the past 5 years, TEDMX returned 11.46%/yr vs 14.02%/yr for FDFIX. A 0.64 correlation means they provide meaningful diversification when combined. TEDMX charges 1.38%/yr vs 0.00%/yr for FDFIX.

Performance

TEDMX vs. FDFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Templeton Developing Markets Trust (TEDMX) and Fidelity Flex 500 Index Fund (FDFIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TEDMX achieves a 41.91% return, which is significantly higher than FDFIX's 10.05% return.

TEDMX

• 1D: 3.36%
• 1M: 8.38%
• YTD: 41.91%
• 6M: 45.15%
• 1Y: 76.08%
• 3Y*: 30.62%
• 5Y*: 11.46%
• 10Y*: 13.37%

FDFIX

• 1D: 1.14%
• 1M: 0.69%
• YTD: 10.05%
• 6M: 9.52%
• 1Y: 26.74%
• 3Y*: 20.85%
• 5Y*: 14.02%
• 10Y*: —

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

TEDMX vs. FDFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TEDMX Templeton Developing Markets Trust	41.91%	44.71%	8.14%	12.28%	-22.17%	-5.82%	18.65%	26.39%	-16.21%	27.85%
FDFIX Fidelity Flex 500 Index Fund	10.05%	17.59%	25.06%	26.27%	-18.10%	28.69%	18.46%	31.47%	-4.45%	14.41%

Correlation

The correlation between TEDMX and FDFIX is 0.69, 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	0.69
Correlation (3Y) Calculated over the trailing 3-year period	0.66
Correlation (5Y) Calculated over the trailing 5-year period	0.65
Correlation (All Time) Calculated using the full available price history since Mar 9, 2017	0.64

The correlation between TEDMX and FDFIX has been stable across timeframes, ranging from 0.64 to 0.69 - a consistent structural relationship.

Return for Risk

TEDMX vs. FDFIX — Risk / Return Rank

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

TEDMX

TEDMX Risk / Return Rank: 92
TEDMX Sharpe Ratio Rank: 97
TEDMX Sortino Ratio Rank: 87
TEDMX Omega Ratio Rank: 90
TEDMX Calmar Ratio Rank: 94
TEDMX Martin Ratio Rank: 94

FDFIX

FDFIX Risk / Return Rank: 63
FDFIX Sharpe Ratio Rank: 61
FDFIX Sortino Ratio Rank: 55
FDFIX Omega Ratio Rank: 57
FDFIX Calmar Ratio Rank: 65
FDFIX Martin Ratio Rank: 74

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.

TEDMX vs. FDFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Templeton Developing Markets Trust (TEDMX) and Fidelity Flex 500 Index Fund (FDFIX). 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.

	TEDMX	FDFIX	Difference
Sharpe ratio: Return per unit of total volatility	3.33	2.12	+1.21
Sortino ratio: Return per unit of downside risk	3.84	2.86	+0.98
Omega ratio: Gain probability vs. loss probability	1.61	1.38	+0.23
Calmar ratio: Return relative to maximum drawdown	5.14	2.97	+2.17
Martin ratio: Return relative to average drawdown	19.48	13.11	+6.37

TEDMX vs. FDFIX - Sharpe Ratio Comparison

The current TEDMX Sharpe Ratio is 3.33, which is higher than the FDFIX Sharpe Ratio of 2.12. The chart below compares the historical Sharpe Ratios of TEDMX and FDFIX, 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

TEDMX vs. FDFIX - Drawdown Comparison

The maximum TEDMX drawdown since its inception was -64.97%, which is greater than FDFIX's maximum drawdown of -33.77%. Use the drawdown chart below to compare losses from any high point for TEDMX and FDFIX.

Drawdown Indicators

	TEDMX	FDFIX	Difference
Max Drawdown Largest peak-to-trough decline	-64.97%	-33.77%	-31.20%
Max Drawdown (1Y) Largest decline over 1 year	-14.80%	-8.99%	-5.81%
Max Drawdown (3Y) Largest decline over 3 years	-14.80%	-18.76%	+3.96%
Max Drawdown (5Y) Largest decline over 5 years	-41.50%	-24.51%	-16.99%
Max Drawdown (10Y) Largest decline over 10 years	-44.36%	—	—
Current Drawdown Current decline from peak	-1.93%	-1.33%	-0.60%
Average Drawdown Average peak-to-trough decline	-19.43%	-4.56%	-14.87%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.90%	2.03%	+1.87%

Volatility

TEDMX vs. FDFIX - Volatility Comparison

Templeton Developing Markets Trust (TEDMX) has a higher volatility of 12.58% compared to Fidelity Flex 500 Index Fund (FDFIX) at 4.90%. This indicates that TEDMX's price experiences larger fluctuations and is considered to be riskier than FDFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TEDMX	FDFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.58%	4.90%	+7.68%
Volatility (6M) Calculated over the trailing 6-month period	20.64%	10.00%	+10.64%
Volatility (1Y) Calculated over the trailing 1-year period	22.88%	12.61%	+10.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.07%	17.05%	+3.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.39%	18.60%	+0.79%

TEDMX vs. FDFIX - Expense Ratio Comparison

TEDMX has a 1.38% expense ratio, which is higher than FDFIX's 0.00% expense ratio.

Dividends

TEDMX vs. FDFIX - Dividend Comparison

TEDMX's dividend yield for the trailing twelve months is around 1.86%, more than FDFIX's 1.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDFIX Fidelity Flex 500 Index Fund	1.04%	1.11%	1.26%	1.48%	1.70%	1.27%	1.52%	1.78%	2.16%	0.50%	0.00%	0.00%
TEDMX Templeton Developing Markets Trust	1.86%	2.64%	3.30%	3.44%	5.25%	6.76%	2.40%	4.54%	1.35%	0.90%	1.20%	1.02%

Frequently Asked Questions

Can I hold both TEDMX and FDFIX in my portfolio?

TEDMX and FDFIX have a correlation of 0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TEDMX or FDFIX?

TEDMX has higher volatility (12.58%) compared to FDFIX (4.90%). In terms of maximum drawdown, TEDMX dropped -64.97% vs FDFIX's -33.77%.

Which has better risk-adjusted returns?

TEDMX currently has the higher Sharpe Ratio (3.33 vs 2.12), 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.