UPDDX vs. RIDAX

Last updated Jun 5, 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 correlation of -0.20, they often move in opposite directions. 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: -1.24%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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)

UPDDX vs. RIDAX - Yearly Performance Comparison

	2026 (YTD)
UPDDX Upright Growth & Income Fund	2.39%
RIDAX The Income Fund of America Class R-1	-0.66%

Correlation

The correlation between UPDDX and RIDAX is -0.20, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (All Time) Calculated using the full available price history since May 29, 2026	-0.20

Return for Risk

UPDDX vs. RIDAX — Risk / Return Rank

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

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.

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.

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

Sharpe Ratios by Period

	UPDDX	RIDAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.01	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.71	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.71	—
Sharpe Ratio (All Time) Calculated using the full available price history	15.08	0.68	+14.40

Drawdowns

UPDDX vs. RIDAX - Drawdown Comparison

The maximum UPDDX drawdown since its inception was -1.24%, 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	-1.24%	-42.37%	+41.13%
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	-1.24%	-1.87%	+0.63%
Average Drawdown Average peak-to-trough decline	-0.39%	-4.40%	+4.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	1.66%	—

Volatility

Volatility by Period

	UPDDX	RIDAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	2.06%	—
Volatility (6M) Calculated over the trailing 6-month period	—	5.59%	—
Volatility (1Y) Calculated over the trailing 1-year period	26.35%	7.15%	+19.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.35%	9.48%	+16.87%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.35%	10.69%	+15.66%

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 8.78%.

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%
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 -0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.