FIDKX vs. FDIKX

Last updated Jun 24, 2026

FIDKX (Fidelity International Discovery Fund Class K) and FDIKX (Fidelity Diversified International Fund Class K) are both Foreign Large Cap Equities funds from Fidelity. Over the past 10 years, FIDKX returned 10.45%/yr vs 10.60%/yr for FDIKX. With a 0.98 correlation, they move nearly in lockstep. FIDKX charges 0.90%/yr vs 0.91%/yr for FDIKX.

Performance

FIDKX vs. FDIKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity International Discovery Fund Class K (FIDKX) and Fidelity Diversified International Fund Class K (FDIKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with FIDKX having a 14.87% return and FDIKX slightly higher at 15.38%. Both investments have delivered pretty close results over the past 10 years, with FIDKX having a 10.45% annualized return and FDIKX not far ahead at 10.60%.

FIDKX

• 1D: 0.40%
• 1M: 4.34%
• YTD: 14.87%
• 6M: 15.03%
• 1Y: 27.08%
• 3Y*: 19.56%
• 5Y*: 7.52%
• 10Y*: 10.45%

FDIKX

• 1D: 0.45%
• 1M: 5.40%
• YTD: 15.38%
• 6M: 15.28%
• 1Y: 27.91%
• 3Y*: 18.53%
• 5Y*: 8.44%
• 10Y*: 10.60%

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

FIDKX vs. FDIKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FIDKX Fidelity International Discovery Fund Class K	14.87%	27.70%	11.03%	14.30%	-24.73%	11.18%	21.55%	27.66%	-17.06%	30.27%
FDIKX Fidelity Diversified International Fund Class K	15.38%	27.87%	6.62%	17.84%	-23.77%	12.92%	19.08%	29.82%	-15.19%	25.30%

Correlation

The correlation between FIDKX and FDIKX is 0.98 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (10Y) Calculated over the trailing 10-year period	0.98
Correlation (All Time) Calculated using the full available price history since May 15, 2008	0.98

The correlation between FIDKX and FDIKX has been stable across timeframes, ranging from 0.98 to 0.98 - a consistent structural relationship.

Return for Risk

FIDKX vs. FDIKX — Risk / Return Rank

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

FIDKX

FIDKX Risk / Return Rank: 35
FIDKX Sharpe Ratio Rank: 34
FIDKX Sortino Ratio Rank: 32
FIDKX Omega Ratio Rank: 32
FIDKX Calmar Ratio Rank: 36
FIDKX Martin Ratio Rank: 40

FDIKX

FDIKX Risk / Return Rank: 39
FDIKX Sharpe Ratio Rank: 36
FDIKX Sortino Ratio Rank: 35
FDIKX Omega Ratio Rank: 36
FDIKX Calmar Ratio Rank: 41
FDIKX Martin Ratio Rank: 46

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.

FIDKX vs. FDIKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity International Discovery Fund Class K (FIDKX) and Fidelity Diversified International Fund Class K (FDIKX). 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.

	FIDKX	FDIKX	Difference
Sharpe ratio: Return per unit of total volatility	1.55	1.63	-0.07
Sortino ratio: Return per unit of downside risk	2.20	2.31	-0.11
Omega ratio: Gain probability vs. loss probability	1.28	1.30	-0.02
Calmar ratio: Return relative to maximum drawdown	2.15	2.34	-0.19
Martin ratio: Return relative to average drawdown	8.16	9.08	-0.92

FIDKX vs. FDIKX - Sharpe Ratio Comparison

The current FIDKX Sharpe Ratio is 1.55, which is comparable to the FDIKX Sharpe Ratio of 1.63. The chart below compares the historical Sharpe Ratios of FIDKX and FDIKX, 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

FIDKX vs. FDIKX - Drawdown Comparison

The maximum FIDKX drawdown since its inception was -56.79%, roughly equal to the maximum FDIKX drawdown of -57.95%. Use the drawdown chart below to compare losses from any high point for FIDKX and FDIKX.

Drawdown Indicators

	FIDKX	FDIKX	Difference
Max Drawdown Largest peak-to-trough decline	-56.79%	-57.95%	+1.16%
Max Drawdown (1Y) Largest decline over 1 year	-13.08%	-12.37%	-0.71%
Max Drawdown (3Y) Largest decline over 3 years	-14.65%	-14.62%	-0.03%
Max Drawdown (5Y) Largest decline over 5 years	-36.47%	-35.52%	-0.95%
Max Drawdown (10Y) Largest decline over 10 years	-36.47%	-35.52%	-0.95%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-13.42%	-13.54%	+0.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.43%	3.18%	+0.25%

Volatility

FIDKX vs. FDIKX - Volatility Comparison

Fidelity International Discovery Fund Class K (FIDKX) and Fidelity Diversified International Fund Class K (FDIKX) have volatilities of 6.45% and 6.72%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FIDKX	FDIKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.45%	6.72%	-0.27%
Volatility (6M) Calculated over the trailing 6-month period	15.49%	15.37%	+0.12%
Volatility (1Y) Calculated over the trailing 1-year period	18.16%	17.83%	+0.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.21%	17.34%	-0.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.05%	17.04%	+0.01%

FIDKX vs. FDIKX - Expense Ratio Comparison

FIDKX has a 0.90% expense ratio, which is lower than FDIKX's 0.91% expense ratio.

Dividends

FIDKX vs. FDIKX - Dividend Comparison

FIDKX's dividend yield for the trailing twelve months is around 6.09%, less than FDIKX's 9.34% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDIKX Fidelity Diversified International Fund Class K	9.34%	10.77%	4.00%	4.40%	1.48%	10.71%	1.07%	1.42%	7.48%	4.23%	1.50%	0.47%
FIDKX Fidelity International Discovery Fund Class K	6.09%	7.00%	3.01%	2.02%	0.47%	11.39%	3.78%	2.43%	4.00%	4.02%	1.96%	0.01%

Frequently Asked Questions

Can I hold both FIDKX and FDIKX in my portfolio?

With a correlation of 0.98, FIDKX and FDIKX 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, FIDKX or FDIKX?

FDIKX has higher volatility (6.72%) compared to FIDKX (6.45%). In terms of maximum drawdown, FIDKX dropped -56.79% vs FDIKX's -57.95%.

Which has better risk-adjusted returns?

FDIKX currently has the higher Sharpe Ratio (1.63 vs 1.55), 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.