ZDIVX vs. RIDAX

Last updated Jun 5, 2026

ZDIVX (Zacks Dividend Fund) and RIDAX (The Income Fund of America Class R-1) are both Large Cap Value Equities funds. Over the past 10 years, ZDIVX returned 10.63%/yr vs 7.60%/yr for RIDAX. Their correlation of 0.92 suggests significant overlap in exposure. ZDIVX charges 1.30%/yr vs 1.36%/yr for RIDAX.

Performance

ZDIVX vs. RIDAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Zacks Dividend Fund (ZDIVX) and The Income Fund of America Class R-1 (RIDAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ZDIVX achieves a 8.87% return, which is significantly higher than RIDAX's 5.48% return. Over the past 10 years, ZDIVX has outperformed RIDAX with an annualized return of 10.63%, while RIDAX has yielded a comparatively lower 7.60% annualized return.

ZDIVX

• 1D: -0.29%
• 1M: 2.27%
• YTD: 8.87%
• 6M: 8.97%
• 1Y: 21.72%
• 3Y*: 16.62%
• 5Y*: 9.48%
• 10Y*: 10.63%

RIDAX

• 1D: -0.48%
• 1M: 0.15%
• YTD: 5.48%
• 6M: 6.45%
• 1Y: 14.26%
• 3Y*: 12.59%
• 5Y*: 6.67%
• 10Y*: 7.60%

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

ZDIVX vs. RIDAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ZDIVX Zacks Dividend Fund	8.87%	15.24%	16.03%	4.36%	-2.11%	25.17%	-0.56%	24.88%	-6.01%	16.20%
RIDAX The Income Fund of America Class R-1	5.48%	16.83%	9.49%	6.16%	-7.14%	16.47%	3.68%	17.57%	-6.06%	11.86%

Correlation

The correlation between ZDIVX and RIDAX is 0.87, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.87
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.92
Correlation (All Time) Calculated using the full available price history since Jan 5, 2015	0.92

The correlation between ZDIVX and RIDAX has been stable across timeframes, ranging from 0.87 to 0.92 - a consistent structural relationship.

Return for Risk

ZDIVX vs. RIDAX — Risk / Return Rank

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

ZDIVX

ZDIVX Risk / Return Rank: 57
ZDIVX Sharpe Ratio Rank: 55
ZDIVX Sortino Ratio Rank: 58
ZDIVX Omega Ratio Rank: 52
ZDIVX Calmar Ratio Rank: 64
ZDIVX Martin Ratio Rank: 58

RIDAX

RIDAX Risk / Return Rank: 45
RIDAX Sharpe Ratio Rank: 48
RIDAX Sortino Ratio Rank: 47
RIDAX Omega Ratio Rank: 47
RIDAX Calmar Ratio Rank: 39
RIDAX Martin Ratio Rank: 41

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.

ZDIVX vs. RIDAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Zacks Dividend Fund (ZDIVX) and The Income Fund of America Class R-1 (RIDAX). 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.

	ZDIVX	RIDAX	Difference
Sharpe ratio: Return per unit of total volatility	2.18	2.01	+0.17
Sortino ratio: Return per unit of downside risk	3.20	2.84	+0.36
Omega ratio: Gain probability vs. loss probability	1.39	1.36	+0.03
Calmar ratio: Return relative to maximum drawdown	3.07	2.34	+0.72
Martin ratio: Return relative to average drawdown	11.48	8.65	+2.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ZDIVX vs. RIDAX - Sharpe Ratio Comparison

The current ZDIVX Sharpe Ratio is 2.18, which is comparable to the RIDAX Sharpe Ratio of 2.01. The chart below compares the historical Sharpe Ratios of ZDIVX and RIDAX, 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

	ZDIVX	RIDAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.18	2.01	+0.17
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.70	0.71	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.66	0.71	-0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.59	0.68	-0.08

Drawdowns

ZDIVX vs. RIDAX - Drawdown Comparison

The maximum ZDIVX drawdown since its inception was -35.27%, smaller than the maximum RIDAX drawdown of -42.37%. Use the drawdown chart below to compare losses from any high point for ZDIVX and RIDAX.

Drawdown Indicators

	ZDIVX	RIDAX	Difference
Max Drawdown Largest peak-to-trough decline	-35.27%	-42.37%	+7.10%
Max Drawdown (1Y) Largest decline over 1 year	-6.93%	-6.13%	-0.80%
Max Drawdown (3Y) Largest decline over 3 years	-14.07%	-8.71%	-5.36%
Max Drawdown (5Y) Largest decline over 5 years	-17.18%	-16.28%	-0.90%
Max Drawdown (10Y) Largest decline over 10 years	-35.27%	-26.22%	-9.05%
Current Drawdown Current decline from peak	-0.29%	-1.87%	+1.58%
Average Drawdown Average peak-to-trough decline	-3.90%	-4.40%	+0.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.85%	1.66%	+0.19%

Volatility

ZDIVX vs. RIDAX - Volatility Comparison

Zacks Dividend Fund (ZDIVX) has a higher volatility of 2.41% compared to The Income Fund of America Class R-1 (RIDAX) at 2.06%. This indicates that ZDIVX's price experiences larger fluctuations and is considered to be riskier than RIDAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ZDIVX	RIDAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.41%	2.06%	+0.35%
Volatility (6M) Calculated over the trailing 6-month period	7.47%	5.59%	+1.88%
Volatility (1Y) Calculated over the trailing 1-year period	9.75%	7.15%	+2.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.53%	9.48%	+4.05%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.23%	10.69%	+5.54%

ZDIVX vs. RIDAX - Expense Ratio Comparison

ZDIVX has a 1.30% expense ratio, which is lower than RIDAX's 1.36% expense ratio.

Dividends

ZDIVX vs. RIDAX - Dividend Comparison

ZDIVX's dividend yield for the trailing twelve months is around 3.40%, less than RIDAX's 8.78% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RIDAX The Income Fund of America Class R-1	8.78%	9.24%	5.14%	2.38%	6.20%	5.92%	2.09%	4.25%	6.58%	3.68%	2.32%	4.26%
ZDIVX Zacks Dividend Fund	3.40%	3.70%	5.88%	6.01%	6.32%	3.97%	2.81%	2.51%	6.66%	3.30%	1.59%	2.85%

Frequently Asked Questions

Can I hold both ZDIVX and RIDAX in my portfolio?

ZDIVX and RIDAX have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ZDIVX or RIDAX?

ZDIVX has higher volatility (2.41%) compared to RIDAX (2.06%). In terms of maximum drawdown, ZDIVX dropped -35.27% vs RIDAX's -42.37%.

Which has better risk-adjusted returns?

ZDIVX currently has the higher Sharpe Ratio (2.18 vs 2.01), 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.