UPDDX vs. RIDAX

Last updated Jul 11, 2026

UPDDX (Upright Growth & Income Fund) and RIDAX (The Income Fund of America Class R-1) are both Large Cap Value Equities funds. At a 0.02 correlation, their price movements are largely independent. UPDDX charges 2.57%/yr vs 1.36%/yr for RIDAX.

Performance

UPDDX vs. RIDAX - Performance Comparison

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

Returns By Period

UPDDX

• 1D: 1.11%
• 1M: -0.40%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

RIDAX

• 1D: -0.04%
• 1M: -0.23%
• 6M: 4.46%
• YTD: 6.36%
• 1Y: 12.38%
• 3Y*: 12.68%
• 5Y*: 7.05%
• 10Y*: 7.39%

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

UPDDX vs. RIDAX - Yearly Performance Comparison

	2026 (YTD)
UPDDX Upright Growth & Income Fund	-4.31%
RIDAX The Income Fund of America Class R-1	0.17%

Correlation

The correlation between UPDDX and RIDAX is 0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (All Time) Calculated using the full available price history since May 28, 2026	0.02

Return for Risk

UPDDX vs. RIDAX — Risk / Return Rank

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

UPDDX

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

RIDAX

RIDAX Risk / Return Rank: 50
RIDAX Sharpe Ratio Rank: 56
RIDAX Sortino Ratio Rank: 57
RIDAX Omega Ratio Rank: 53
RIDAX Calmar Ratio Rank: 43
RIDAX Martin Ratio Rank: 42

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.

UPDDX vs. RIDAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Upright Growth & Income Fund (UPDDX) 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.

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.

	UPDDX	RIDAX	Difference
Sharpe ratio: Return per unit of total volatility	—	1.67	—
Sortino ratio: Return per unit of downside risk	—	2.39	—
Omega ratio: Gain probability vs. loss probability	—	1.30	—
Calmar ratio: Return relative to maximum drawdown	—	2.01	—
Martin ratio: Return relative to average drawdown	—	7.11	—

Drawdowns

UPDDX vs. RIDAX - Drawdown Comparison

The maximum UPDDX drawdown since its inception was -10.77%, smaller than the maximum RIDAX drawdown of -42.37%. Use the drawdown chart below to compare losses from any high point for UPDDX and RIDAX.

Drawdown Indicators

	UPDDX	RIDAX	Difference
Max Drawdown Largest peak-to-trough decline	-10.77%	-42.37%	+31.60%
Max Drawdown (1Y) Largest decline over 1 year	—	-6.13%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-8.71%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-16.28%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-26.22%	—
Current Drawdown Current decline from peak	-7.71%	-1.05%	-6.66%
Average Drawdown Average peak-to-trough decline	-6.46%	-4.39%	-2.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.73%	—

Volatility

Volatility by Period

	UPDDX	RIDAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	2.27%	—
Volatility (6M) Calculated over the trailing 6-month period	—	5.86%	—
Volatility (1Y) Calculated over the trailing 1-year period	30.42%	7.37%	+23.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.42%	9.48%	+20.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.42%	10.63%	+19.79%

UPDDX vs. RIDAX - Expense Ratio Comparison

UPDDX has a 2.57% expense ratio, which is higher than RIDAX's 1.36% expense ratio.

Dividends

UPDDX vs. RIDAX - Dividend Comparison

UPDDX has not paid dividends to shareholders, while RIDAX's dividend yield for the trailing twelve months is around 8.72%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RIDAX The Income Fund of America Class R-1	8.72%	9.24%	5.14%	2.38%	6.20%	5.92%	2.09%	4.25%	6.58%	3.68%	2.32%	4.26%
UPDDX Upright Growth & Income Fund	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both UPDDX and RIDAX in my portfolio?

UPDDX and RIDAX have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.