SPXX vs. YACKX

Last updated Jun 24, 2026

SPXX (Nuveen S&P 500 Dynamic Overwrite Fund) and YACKX (AMG Yacktman Fund) are both mutual funds - SPXX is a S&P 500 fund actively managed by Nuveen, while YACKX is a Large Cap Value Equities fund managed by AMG. Over the past 10 years, SPXX returned 10.31%/yr vs 12.37%/yr for YACKX. A 0.64 correlation means they provide meaningful diversification when combined. SPXX charges 0.89%/yr vs 0.71%/yr for YACKX.

Performance

SPXX vs. YACKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nuveen S&P 500 Dynamic Overwrite Fund (SPXX) and AMG Yacktman Fund (YACKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPXX achieves a 3.44% return, which is significantly lower than YACKX's 14.69% return. Over the past 10 years, SPXX has underperformed YACKX with an annualized return of 10.31%, while YACKX has yielded a comparatively higher 12.37% annualized return.

SPXX

• 1D: -1.05%
• 1M: 1.41%
• YTD: 3.44%
• 6M: 3.84%
• 1Y: 13.31%
• 3Y*: 13.85%
• 5Y*: 7.18%
• 10Y*: 10.31%

YACKX

• 1D: -0.88%
• 1M: -1.07%
• YTD: 14.69%
• 6M: 16.07%
• 1Y: 9.89%
• 3Y*: 13.66%
• 5Y*: 8.13%
• 10Y*: 12.37%

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

SPXX vs. YACKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SPXX Nuveen S&P 500 Dynamic Overwrite Fund	3.44%	9.78%	27.10%	0.85%	-6.92%	29.03%	-0.37%	25.36%	-13.42%	27.92%
YACKX AMG Yacktman Fund	14.69%	1.34%	13.15%	15.46%	-7.50%	19.66%	15.25%	27.49%	2.79%	18.25%

Correlation

The correlation between SPXX and YACKX is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.44
Correlation (3Y) Calculated over the trailing 3-year period	0.53
Correlation (5Y) Calculated over the trailing 5-year period	0.63
Correlation (10Y) Calculated over the trailing 10-year period	0.58
Correlation (All Time) Calculated using the full available price history since Nov 23, 2005	0.64

Over the past year, the correlation between SPXX and YACKX has dropped to 0.44 - well below their long-term average of 0.64, suggesting their price drivers have been diverging.

Return for Risk

SPXX vs. YACKX — Risk / Return Rank

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

SPXX

SPXX Risk / Return Rank: 15
SPXX Sharpe Ratio Rank: 16
SPXX Sortino Ratio Rank: 16
SPXX Omega Ratio Rank: 15
SPXX Calmar Ratio Rank: 13
SPXX Martin Ratio Rank: 15

YACKX

YACKX Risk / Return Rank: 8
YACKX Sharpe Ratio Rank: 7
YACKX Sortino Ratio Rank: 6
YACKX Omega Ratio Rank: 12
YACKX Calmar Ratio Rank: 7
YACKX Martin Ratio Rank: 7

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.

SPXX vs. YACKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nuveen S&P 500 Dynamic Overwrite Fund (SPXX) 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.

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.

	SPXX	YACKX	Difference
Sharpe ratio: Return per unit of total volatility	1.08	0.50	+0.58
Sortino ratio: Return per unit of downside risk	1.59	0.64	+0.95
Omega ratio: Gain probability vs. loss probability	1.19	1.16	+0.02
Calmar ratio: Return relative to maximum drawdown	1.13	0.60	+0.53
Martin ratio: Return relative to average drawdown	3.83	1.73	+2.10

SPXX vs. YACKX - Sharpe Ratio Comparison

The current SPXX Sharpe Ratio is 1.08, which is higher than the YACKX Sharpe Ratio of 0.50. The chart below compares the historical Sharpe Ratios of SPXX 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.

Drawdowns

SPXX vs. YACKX - Drawdown Comparison

The maximum SPXX drawdown since its inception was -52.39%, which is greater than YACKX's maximum drawdown of -46.65%. Use the drawdown chart below to compare losses from any high point for SPXX and YACKX.

Drawdown Indicators

	SPXX	YACKX	Difference
Max Drawdown Largest peak-to-trough decline	-52.39%	-46.65%	-5.74%
Max Drawdown (1Y) Largest decline over 1 year	-11.86%	-16.30%	+4.44%
Max Drawdown (3Y) Largest decline over 3 years	-17.65%	-18.30%	+0.65%
Max Drawdown (5Y) Largest decline over 5 years	-18.09%	-19.86%	+1.77%
Max Drawdown (10Y) Largest decline over 10 years	-43.99%	-30.93%	-13.06%
Current Drawdown Current decline from peak	-1.43%	-4.83%	+3.40%
Average Drawdown Average peak-to-trough decline	-7.45%	-5.27%	-2.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.49%	5.62%	-2.13%

Volatility

SPXX vs. YACKX - Volatility Comparison

The current volatility for Nuveen S&P 500 Dynamic Overwrite Fund (SPXX) is 4.41%, while AMG Yacktman Fund (YACKX) has a volatility of 4.96%. This indicates that SPXX experiences smaller price fluctuations and is considered to be less risky than YACKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPXX	YACKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.41%	4.96%	-0.55%
Volatility (6M) Calculated over the trailing 6-month period	9.55%	19.88%	-10.33%
Volatility (1Y) Calculated over the trailing 1-year period	12.45%	19.73%	-7.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.71%	17.16%	-1.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.43%	16.19%	+2.24%

SPXX vs. YACKX - Expense Ratio Comparison

SPXX has a 0.89% expense ratio, which is higher than YACKX's 0.71% expense ratio.

Dividends

SPXX vs. YACKX - Dividend Comparison

SPXX's dividend yield for the trailing twelve months is around 8.02%, while YACKX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SPXX Nuveen S&P 500 Dynamic Overwrite Fund	8.02%	7.48%	6.87%	7.82%	7.30%	5.27%	6.56%	6.44%	7.98%	5.69%	5.14%	7.75%
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 SPXX and YACKX in my portfolio?

SPXX and YACKX have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPXX or YACKX?

YACKX has higher volatility (4.96%) compared to SPXX (4.41%). In terms of maximum drawdown, SPXX dropped -52.39% vs YACKX's -46.65%.

Which has better risk-adjusted returns?

SPXX currently has the higher Sharpe Ratio (1.08 vs 0.50), 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.