SKSEX vs. YACKX

Last updated Jun 6, 2026

SKSEX (AMG GW&K Small Cap Value Fund) and YACKX (AMG Yacktman Fund) are both mutual funds - SKSEX is a Small Cap Blend Equities fund managed by AMG, while YACKX is a Large Cap Value Equities fund managed by AMG. Over the past 10 years, SKSEX returned 9.20%/yr vs 12.51%/yr for YACKX. A 0.73 correlation means they provide meaningful diversification when combined. SKSEX charges 1.15%/yr vs 0.71%/yr for YACKX.

Performance

SKSEX vs. YACKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AMG GW&K Small Cap Value Fund (SKSEX) and AMG Yacktman Fund (YACKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with SKSEX having a 19.24% return and YACKX slightly lower at 19.06%. Over the past 10 years, SKSEX has underperformed YACKX with an annualized return of 9.20%, while YACKX has yielded a comparatively higher 12.51% annualized return.

SKSEX

• 1D: 1.32%
• 1M: -0.09%
• YTD: 19.24%
• 6M: 9.48%
• 1Y: 26.33%
• 3Y*: 13.46%
• 5Y*: 6.06%
• 10Y*: 9.20%

YACKX

• 1D: -0.48%
• 1M: 3.25%
• YTD: 19.06%
• 6M: 3.41%
• 1Y: 15.49%
• 3Y*: 15.02%
• 5Y*: 8.64%
• 10Y*: 12.51%

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

SKSEX vs. YACKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SKSEX AMG GW&K Small Cap Value Fund	19.24%	-4.50%	10.60%	17.49%	-15.36%	33.22%	3.30%	38.26%	-18.98%	8.39%
YACKX AMG Yacktman Fund	19.06%	1.34%	13.15%	15.46%	-7.50%	19.66%	15.25%	27.49%	2.79%	18.25%

Correlation

The correlation between SKSEX and YACKX is 0.57, 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	0.57
Correlation (3Y) Calculated over the trailing 3-year period	0.71
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (10Y) Calculated over the trailing 10-year period	0.76
Correlation (All Time) Calculated using the full available price history since Jul 6, 1992	0.73

The correlation between SKSEX and YACKX shifts across timeframes, from 0.57 (1 year) to 0.79 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

SKSEX vs. YACKX — Risk / Return Rank

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

SKSEX

SKSEX Risk / Return Rank: 29
SKSEX Sharpe Ratio Rank: 24
SKSEX Sortino Ratio Rank: 20
SKSEX Omega Ratio Rank: 26
SKSEX Calmar Ratio Rank: 43
SKSEX Martin Ratio Rank: 31

YACKX

YACKX Risk / Return Rank: 14
YACKX Sharpe Ratio Rank: 11
YACKX Sortino Ratio Rank: 8
YACKX Omega Ratio Rank: 27
YACKX Calmar Ratio Rank: 11
YACKX Martin Ratio Rank: 10

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.

SKSEX vs. YACKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AMG GW&K Small Cap Value Fund (SKSEX) and AMG Yacktman Fund (YACKX). 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.

	SKSEX	YACKX	Difference
Sharpe ratio: Return per unit of total volatility	1.35	0.82	+0.53
Sortino ratio: Return per unit of downside risk	1.81	0.96	+0.86
Omega ratio: Gain probability vs. loss probability	1.26	1.26	0.00
Calmar ratio: Return relative to maximum drawdown	2.43	0.97	+1.45
Martin ratio: Return relative to average drawdown	6.76	2.83	+3.93
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SKSEX vs. YACKX - Sharpe Ratio Comparison

The current SKSEX Sharpe Ratio is 1.35, which is higher than the YACKX Sharpe Ratio of 0.82. The chart below compares the historical Sharpe Ratios of SKSEX and YACKX, 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

	SKSEX	YACKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.35	0.82	+0.53
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.28	0.51	-0.22
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.38	0.78	-0.40
Sharpe Ratio (All Time) Calculated using the full available price history	0.60	0.71	-0.11

Drawdowns

SKSEX vs. YACKX - Drawdown Comparison

The maximum SKSEX drawdown since its inception was -65.26%, which is greater than YACKX's maximum drawdown of -46.65%. Use the drawdown chart below to compare losses from any high point for SKSEX and YACKX.

Drawdown Indicators

	SKSEX	YACKX	Difference
Max Drawdown Largest peak-to-trough decline	-65.26%	-46.65%	-18.61%
Max Drawdown (1Y) Largest decline over 1 year	-10.83%	-16.30%	+5.47%
Max Drawdown (3Y) Largest decline over 3 years	-26.39%	-18.30%	-8.09%
Max Drawdown (5Y) Largest decline over 5 years	-26.39%	-19.86%	-6.53%
Max Drawdown (10Y) Largest decline over 10 years	-49.36%	-30.93%	-18.43%
Current Drawdown Current decline from peak	-0.86%	-1.21%	+0.35%
Average Drawdown Average peak-to-trough decline	-9.23%	-5.27%	-3.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.87%	5.57%	-1.70%

Volatility

SKSEX vs. YACKX - Volatility Comparison

AMG GW&K Small Cap Value Fund (SKSEX) has a higher volatility of 4.91% compared to AMG Yacktman Fund (YACKX) at 4.39%. This indicates that SKSEX's price experiences larger fluctuations and is considered to be riskier than YACKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SKSEX	YACKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.91%	4.39%	+0.52%
Volatility (6M) Calculated over the trailing 6-month period	15.72%	19.60%	-3.88%
Volatility (1Y) Calculated over the trailing 1-year period	19.52%	19.38%	+0.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.48%	17.10%	+4.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.50%	16.15%	+8.35%

SKSEX vs. YACKX - Expense Ratio Comparison

SKSEX has a 1.15% expense ratio, which is higher than YACKX's 0.71% expense ratio.

Dividends

SKSEX vs. YACKX - Dividend Comparison

Neither SKSEX nor YACKX has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SKSEX AMG GW&K Small Cap Value Fund	0.00%	0.00%	8.62%	1.51%	1.69%	13.94%	43.15%	13.91%	14.98%	6.75%	0.02%	4.98%
YACKX AMG Yacktman Fund	0.00%	0.00%	17.32%	4.39%	7.35%	3.72%	10.82%	16.84%	23.06%	10.67%	8.57%	13.66%

Frequently Asked Questions

Can I hold both SKSEX and YACKX in my portfolio?

SKSEX and YACKX have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SKSEX or YACKX?

SKSEX has higher volatility (4.91%) compared to YACKX (4.39%). In terms of maximum drawdown, SKSEX dropped -65.26% vs YACKX's -46.65%.

Which has better risk-adjusted returns?

SKSEX currently has the higher Sharpe Ratio (1.35 vs 0.82), 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.