KGGIX vs. YASLX

Last updated Jun 24, 2026

KGGIX (Kopernik Global All-Cap Fund) and YASLX (AMG Yacktman Special Opportunities Fund) are both Foreign Small & Mid Cap Equities funds. Over the past 10 years, KGGIX returned 12.60%/yr vs 11.33%/yr for YASLX. A 0.54 correlation means they provide meaningful diversification when combined. KGGIX charges 1.01%/yr vs 1.86%/yr for YASLX.

Performance

KGGIX vs. YASLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Kopernik Global All-Cap Fund (KGGIX) and AMG Yacktman Special Opportunities Fund (YASLX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, KGGIX achieves a 3.61% return, which is significantly lower than YASLX's 14.10% return. Over the past 10 years, KGGIX has outperformed YASLX with an annualized return of 12.60%, while YASLX has yielded a comparatively lower 11.33% annualized return.

KGGIX

• 1D: -1.29%
• 1M: -5.41%
• YTD: 3.61%
• 6M: 2.76%
• 1Y: 29.51%
• 3Y*: 21.24%
• 5Y*: 10.48%
• 10Y*: 12.60%

YASLX

• 1D: 0.08%
• 1M: -1.75%
• YTD: 14.10%
• 6M: 15.27%
• 1Y: 14.00%
• 3Y*: 11.68%
• 5Y*: 3.90%
• 10Y*: 11.33%

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

KGGIX vs. YASLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
KGGIX Kopernik Global All-Cap Fund	3.61%	64.88%	-4.91%	13.43%	-9.05%	16.86%	37.23%	10.00%	-11.07%	8.98%
YASLX AMG Yacktman Special Opportunities Fund	14.10%	6.27%	11.23%	3.65%	-13.59%	24.45%	12.82%	17.07%	-10.15%	34.85%

Correlation

The correlation between KGGIX and YASLX is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.48
Correlation (3Y) Calculated over the trailing 3-year period	0.48
Correlation (5Y) Calculated over the trailing 5-year period	0.59
Correlation (10Y) Calculated over the trailing 10-year period	0.53
Correlation (All Time) Calculated using the full available price history since Jan 2, 2015	0.54

The correlation between KGGIX and YASLX shifts across timeframes, from 0.48 (1 year) to 0.59 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

KGGIX vs. YASLX — Risk / Return Rank

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

KGGIX

KGGIX Risk / Return Rank: 49
KGGIX Sharpe Ratio Rank: 53
KGGIX Sortino Ratio Rank: 43
KGGIX Omega Ratio Rank: 48
KGGIX Calmar Ratio Rank: 61
KGGIX Martin Ratio Rank: 40

YASLX

YASLX Risk / Return Rank: 21
YASLX Sharpe Ratio Rank: 24
YASLX Sortino Ratio Rank: 22
YASLX Omega Ratio Rank: 25
YASLX Calmar Ratio Rank: 18
YASLX Martin Ratio Rank: 16

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.

KGGIX vs. YASLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Kopernik Global All-Cap Fund (KGGIX) and AMG Yacktman Special Opportunities Fund (YASLX). 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.

	KGGIX	YASLX	Difference
Sharpe ratio: Return per unit of total volatility	1.98	1.29	+0.69
Sortino ratio: Return per unit of downside risk	2.55	1.78	+0.77
Omega ratio: Gain probability vs. loss probability	1.35	1.24	+0.11
Calmar ratio: Return relative to maximum drawdown	2.86	1.41	+1.45
Martin ratio: Return relative to average drawdown	8.23	4.03	+4.20

KGGIX vs. YASLX - Sharpe Ratio Comparison

The current KGGIX Sharpe Ratio is 1.98, which is higher than the YASLX Sharpe Ratio of 1.29. The chart below compares the historical Sharpe Ratios of KGGIX and YASLX, 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

KGGIX vs. YASLX - Drawdown Comparison

The maximum KGGIX drawdown since its inception was -45.11%, which is greater than YASLX's maximum drawdown of -38.91%. Use the drawdown chart below to compare losses from any high point for KGGIX and YASLX.

Drawdown Indicators

	KGGIX	YASLX	Difference
Max Drawdown Largest peak-to-trough decline	-45.11%	-38.91%	-6.20%
Max Drawdown (1Y) Largest decline over 1 year	-10.65%	-10.18%	-0.47%
Max Drawdown (3Y) Largest decline over 3 years	-13.76%	-16.65%	+2.89%
Max Drawdown (5Y) Largest decline over 5 years	-26.43%	-27.74%	+1.31%
Max Drawdown (10Y) Largest decline over 10 years	-31.59%	-38.91%	+7.32%
Current Drawdown Current decline from peak	-10.37%	-3.13%	-7.24%
Average Drawdown Average peak-to-trough decline	-9.50%	-8.19%	-1.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.69%	3.56%	+0.13%

Volatility

KGGIX vs. YASLX - Volatility Comparison

Kopernik Global All-Cap Fund (KGGIX) has a higher volatility of 4.88% compared to AMG Yacktman Special Opportunities Fund (YASLX) at 3.13%. This indicates that KGGIX's price experiences larger fluctuations and is considered to be riskier than YASLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KGGIX	YASLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.88%	3.13%	+1.75%
Volatility (6M) Calculated over the trailing 6-month period	12.85%	8.75%	+4.10%
Volatility (1Y) Calculated over the trailing 1-year period	15.41%	11.14%	+4.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.27%	16.33%	-1.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.99%	15.03%	-0.04%

KGGIX vs. YASLX - Expense Ratio Comparison

KGGIX has a 1.01% expense ratio, which is lower than YASLX's 1.86% expense ratio.

Dividends

KGGIX vs. YASLX - Dividend Comparison

KGGIX's dividend yield for the trailing twelve months is around 15.88%, while YASLX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KGGIX Kopernik Global All-Cap Fund	15.88%	16.46%	1.04%	8.60%	13.59%	9.30%	4.81%	3.02%	0.25%	4.40%	3.34%	0.81%
YASLX AMG Yacktman Special Opportunities Fund	0.00%	0.00%	15.82%	8.97%	0.94%	3.85%	2.62%	12.95%	9.89%	4.86%	3.28%	4.59%

Frequently Asked Questions

Can I hold both KGGIX and YASLX in my portfolio?

KGGIX and YASLX have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, KGGIX or YASLX?

KGGIX has higher volatility (4.88%) compared to YASLX (3.13%). In terms of maximum drawdown, KGGIX dropped -45.11% vs YASLX's -38.91%.

Which has better risk-adjusted returns?

KGGIX currently has the higher Sharpe Ratio (1.98 vs 1.29), 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.