VIDGX vs. KGIIX

Last updated Jun 4, 2026

VIDGX (Vanguard International Dividend Growth Fund) and KGIIX (Kopernik International Fund) are both Foreign Large Cap Equities funds. Over the past year, VIDGX returned 5.17% vs 37.40% for KGIIX. At a 0.45 correlation, their price movements are largely independent. VIDGX charges 0.55%/yr vs 1.04%/yr for KGIIX.

Performance

VIDGX vs. KGIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard International Dividend Growth Fund (VIDGX) and Kopernik International Fund (KGIIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VIDGX achieves a 2.22% return, which is significantly lower than KGIIX's 9.82% return.

VIDGX

• 1D: 0.17%
• 1M: 2.57%
• YTD: 2.22%
• 6M: 4.09%
• 1Y: 5.17%
• 3Y*: —
• 5Y*: —
• 10Y*: —

KGIIX

• 1D: 0.16%
• 1M: -0.47%
• YTD: 9.82%
• 6M: 12.86%
• 1Y: 37.40%
• 3Y*: 18.92%
• 5Y*: 8.81%
• 10Y*: 10.15%

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

VIDGX vs. KGIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
VIDGX Vanguard International Dividend Growth Fund	2.22%	18.76%	-1.06%	5.99%
KGIIX Kopernik International Fund	9.82%	54.97%	-7.01%	4.83%

Correlation

The correlation between VIDGX and KGIIX is 0.47, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.47
Correlation (All Time) Calculated using the full available price history since Nov 2, 2023	0.45

Return for Risk

VIDGX vs. KGIIX — Risk / Return Rank

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

VIDGX

VIDGX Risk / Return Rank: 5
VIDGX Sharpe Ratio Rank: 5
VIDGX Sortino Ratio Rank: 5
VIDGX Omega Ratio Rank: 4
VIDGX Calmar Ratio Rank: 4
VIDGX Martin Ratio Rank: 5

KGIIX

KGIIX Risk / Return Rank: 81
KGIIX Sharpe Ratio Rank: 88
KGIIX Sortino Ratio Rank: 77
KGIIX Omega Ratio Rank: 80
KGIIX Calmar Ratio Rank: 87
KGIIX Martin Ratio Rank: 72

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.

VIDGX vs. KGIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard International Dividend Growth Fund (VIDGX) and Kopernik International Fund (KGIIX). 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.

	VIDGX	KGIIX	Difference
Sharpe ratio: Return per unit of total volatility	0.34	2.91	-2.57
Sortino ratio: Return per unit of downside risk	0.56	3.68	-3.12
Omega ratio: Gain probability vs. loss probability	1.07	1.53	-0.46
Calmar ratio: Return relative to maximum drawdown	0.37	4.30	-3.93
Martin ratio: Return relative to average drawdown	1.13	13.73	-12.60
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VIDGX vs. KGIIX - Sharpe Ratio Comparison

The current VIDGX Sharpe Ratio is 0.34, which is lower than the KGIIX Sharpe Ratio of 2.91. The chart below compares the historical Sharpe Ratios of VIDGX and KGIIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	VIDGX	KGIIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.34	2.91	-2.57
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.67	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.81	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.76	0.93	-0.17

Drawdowns

VIDGX vs. KGIIX - Drawdown Comparison

The maximum VIDGX drawdown since its inception was -14.09%, smaller than the maximum KGIIX drawdown of -27.81%. Use the drawdown chart below to compare losses from any high point for VIDGX and KGIIX.

Drawdown Indicators

	VIDGX	KGIIX	Difference
Max Drawdown Largest peak-to-trough decline	-14.09%	-27.81%	+13.72%
Max Drawdown (1Y) Largest decline over 1 year	-12.25%	-8.76%	-3.49%
Max Drawdown (3Y) Largest decline over 3 years	—	-13.58%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-27.81%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-27.81%	—
Current Drawdown Current decline from peak	-5.22%	-4.26%	-0.96%
Average Drawdown Average peak-to-trough decline	-3.43%	-6.11%	+2.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.03%	2.74%	+1.29%

Volatility

VIDGX vs. KGIIX - Volatility Comparison

Vanguard International Dividend Growth Fund (VIDGX) has a higher volatility of 4.15% compared to Kopernik International Fund (KGIIX) at 2.98%. This indicates that VIDGX's price experiences larger fluctuations and is considered to be riskier than KGIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VIDGX	KGIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.15%	2.98%	+1.17%
Volatility (6M) Calculated over the trailing 6-month period	10.34%	10.23%	+0.11%
Volatility (1Y) Calculated over the trailing 1-year period	13.40%	12.97%	+0.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.94%	13.21%	-0.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.94%	12.64%	+0.30%

VIDGX vs. KGIIX - Expense Ratio Comparison

VIDGX has a 0.55% expense ratio, which is lower than KGIIX's 1.04% expense ratio.

Dividends

VIDGX vs. KGIIX - Dividend Comparison

VIDGX's dividend yield for the trailing twelve months is around 1.70%, less than KGIIX's 12.99% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
KGIIX Kopernik International Fund	12.99%	14.26%	0.48%	12.56%	2.46%	5.77%	2.89%	2.50%	1.19%	1.35%	0.33%
VIDGX Vanguard International Dividend Growth Fund	1.70%	1.74%	4.16%	0.18%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both VIDGX and KGIIX in my portfolio?

VIDGX and KGIIX have a correlation of 0.47, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VIDGX or KGIIX?

VIDGX has higher volatility (4.15%) compared to KGIIX (2.98%). In terms of maximum drawdown, VIDGX dropped -14.09% vs KGIIX's -27.81%.

Which has better risk-adjusted returns?

KGIIX currently has the higher Sharpe Ratio (2.91 vs 0.34), 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.