FDKFX vs. VTTHX

Last updated Jun 23, 2026

FDKFX (Fidelity International Discovery K6 Fund) and VTTHX (Vanguard Target Retirement 2035 Fund) are both mutual funds - FDKFX is a Foreign Large Cap Equities fund managed by Fidelity, while VTTHX is a Target Retirement Date fund managed by Vanguard. Over the past 5 years, FDKFX returned 7.93%/yr vs 8.01%/yr for VTTHX. Their correlation of 0.88 suggests significant overlap in exposure. FDKFX charges 0.60%/yr vs 0.08%/yr for VTTHX.

Performance

FDKFX vs. VTTHX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity International Discovery K6 Fund (FDKFX) and Vanguard Target Retirement 2035 Fund (VTTHX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FDKFX achieves a 14.55% return, which is significantly higher than VTTHX's 8.77% return.

FDKFX

• 1D: 1.40%
• 1M: 3.63%
• YTD: 14.55%
• 6M: 15.53%
• 1Y: 28.51%
• 3Y*: 18.74%
• 5Y*: 7.93%
• 10Y*: —

VTTHX

• 1D: 0.88%
• 1M: 1.50%
• YTD: 8.77%
• 6M: 8.72%
• 1Y: 21.33%
• 3Y*: 14.91%
• 5Y*: 8.01%
• 10Y*: 9.81%

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

FDKFX vs. VTTHX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
FDKFX Fidelity International Discovery K6 Fund	14.55%	29.31%	11.14%	14.40%	-24.74%	11.20%	21.50%	11.81%
VTTHX Vanguard Target Retirement 2035 Fund	8.77%	17.55%	11.56%	17.37%	-16.64%	12.96%	14.80%	9.63%

Correlation

The correlation between FDKFX and VTTHX is 0.92, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.92
Correlation (3Y) Calculated over the trailing 3-year period	0.87
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (All Time) Calculated using the full available price history since Jun 13, 2019	0.88

The correlation between FDKFX and VTTHX has been stable across timeframes, ranging from 0.87 to 0.92 - a consistent structural relationship.

Return for Risk

FDKFX vs. VTTHX — Risk / Return Rank

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

FDKFX

FDKFX Risk / Return Rank: 34
FDKFX Sharpe Ratio Rank: 32
FDKFX Sortino Ratio Rank: 31
FDKFX Omega Ratio Rank: 31
FDKFX Calmar Ratio Rank: 35
FDKFX Martin Ratio Rank: 39

VTTHX

VTTHX Risk / Return Rank: 68
VTTHX Sharpe Ratio Rank: 69
VTTHX Sortino Ratio Rank: 69
VTTHX Omega Ratio Rank: 69
VTTHX Calmar Ratio Rank: 64
VTTHX Martin Ratio Rank: 71

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.

FDKFX vs. VTTHX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity International Discovery K6 Fund (FDKFX) and Vanguard Target Retirement 2035 Fund (VTTHX). 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.

	FDKFX	VTTHX	Difference
Sharpe ratio: Return per unit of total volatility	1.53	2.23	-0.70
Sortino ratio: Return per unit of downside risk	2.17	3.13	-0.96
Omega ratio: Gain probability vs. loss probability	1.27	1.42	-0.15
Calmar ratio: Return relative to maximum drawdown	2.11	2.94	-0.83
Martin ratio: Return relative to average drawdown	8.05	12.67	-4.62

FDKFX vs. VTTHX - Sharpe Ratio Comparison

The current FDKFX Sharpe Ratio is 1.53, which is lower than the VTTHX Sharpe Ratio of 2.23. The chart below compares the historical Sharpe Ratios of FDKFX and VTTHX, 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

FDKFX vs. VTTHX - Drawdown Comparison

The maximum FDKFX drawdown since its inception was -36.63%, smaller than the maximum VTTHX drawdown of -51.76%. Use the drawdown chart below to compare losses from any high point for FDKFX and VTTHX.

Drawdown Indicators

	FDKFX	VTTHX	Difference
Max Drawdown Largest peak-to-trough decline	-36.63%	-51.76%	+15.13%
Max Drawdown (1Y) Largest decline over 1 year	-13.12%	-7.17%	-5.95%
Max Drawdown (3Y) Largest decline over 3 years	-14.64%	-10.87%	-3.77%
Max Drawdown (5Y) Largest decline over 5 years	-36.63%	-23.53%	-13.10%
Max Drawdown (10Y) Largest decline over 10 years	—	-27.15%	—
Current Drawdown Current decline from peak	0.00%	-0.33%	+0.33%
Average Drawdown Average peak-to-trough decline	-9.48%	-6.08%	-3.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.42%	1.66%	+1.76%

Volatility

FDKFX vs. VTTHX - Volatility Comparison

Fidelity International Discovery K6 Fund (FDKFX) has a higher volatility of 6.57% compared to Vanguard Target Retirement 2035 Fund (VTTHX) at 3.84%. This indicates that FDKFX's price experiences larger fluctuations and is considered to be riskier than VTTHX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FDKFX	VTTHX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.57%	3.84%	+2.73%
Volatility (6M) Calculated over the trailing 6-month period	15.42%	7.90%	+7.52%
Volatility (1Y) Calculated over the trailing 1-year period	18.09%	9.44%	+8.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.33%	11.46%	+5.87%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.90%	12.49%	+6.41%

FDKFX vs. VTTHX - Expense Ratio Comparison

FDKFX has a 0.60% expense ratio, which is higher than VTTHX's 0.08% expense ratio.

Dividends

FDKFX vs. VTTHX - Dividend Comparison

FDKFX's dividend yield for the trailing twelve months is around 2.68%, less than VTTHX's 2.72% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDKFX Fidelity International Discovery K6 Fund	2.68%	3.07%	4.06%	1.62%	0.99%	1.90%	0.60%	0.80%	0.00%	0.00%	0.00%	0.00%
VTTHX Vanguard Target Retirement 2035 Fund	2.72%	2.96%	3.12%	2.47%	2.71%	19.52%	2.50%	2.33%	2.69%	0.16%	2.77%	4.67%

Frequently Asked Questions

Can I hold both FDKFX and VTTHX in my portfolio?

With a correlation of 0.92, FDKFX and VTTHX 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, FDKFX or VTTHX?

FDKFX has higher volatility (6.57%) compared to VTTHX (3.84%). In terms of maximum drawdown, FDKFX dropped -36.63% vs VTTHX's -51.76%.

Which has better risk-adjusted returns?

VTTHX currently has the higher Sharpe Ratio (2.23 vs 1.53), 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.