REIPX vs. RERFX

Last updated Jun 4, 2026

REIPX (T. Rowe Price Real Estate Fund Class I) and RERFX (American Funds Real Estate Index Fund Class R-6) are both REIT funds. Over the past 10 years, REIPX returned 11.87%/yr vs 9.15%/yr for RERFX. A 0.68 correlation means they provide meaningful diversification when combined. REIPX charges 0.65%/yr vs 0.29%/yr for RERFX.

Performance

REIPX vs. RERFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Real Estate Fund Class I (REIPX) and American Funds Real Estate Index Fund Class R-6 (RERFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with REIPX having a 11.94% return and RERFX slightly higher at 12.30%. Over the past 10 years, REIPX has outperformed RERFX with an annualized return of 11.87%, while RERFX has yielded a comparatively lower 9.15% annualized return.

REIPX

• 1D: 0.47%
• 1M: 3.91%
• YTD: 11.94%
• 6M: 13.96%
• 1Y: 23.54%
• 3Y*: 16.83%
• 5Y*: 9.57%
• 10Y*: 11.87%

RERFX

• 1D: 0.53%
• 1M: 6.74%
• YTD: 12.30%
• 6M: 15.02%
• 1Y: 29.33%
• 3Y*: 16.30%
• 5Y*: 5.31%
• 10Y*: 9.15%

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

REIPX vs. RERFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
REIPX T. Rowe Price Real Estate Fund Class I	11.94%	14.74%	11.96%	9.84%	-3.09%	25.70%	1.40%	33.77%	-9.20%	15.57%
RERFX American Funds Real Estate Index Fund Class R-6	12.30%	29.26%	2.96%	16.02%	-22.81%	2.81%	25.20%	27.36%	-17.37%	31.10%

Correlation

The correlation between REIPX and RERFX is 0.60, 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	0.60
Correlation (3Y) Calculated over the trailing 3-year period	0.61
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (10Y) Calculated over the trailing 10-year period	0.67
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016	0.68

The correlation between REIPX and RERFX has been stable across timeframes, ranging from 0.60 to 0.68 - a consistent structural relationship.

Return for Risk

REIPX vs. RERFX — Risk / Return Rank

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

REIPX

REIPX Risk / Return Rank: 62
REIPX Sharpe Ratio Rank: 60
REIPX Sortino Ratio Rank: 61
REIPX Omega Ratio Rank: 56
REIPX Calmar Ratio Rank: 73
REIPX Martin Ratio Rank: 62

RERFX

RERFX Risk / Return Rank: 40
RERFX Sharpe Ratio Rank: 41
RERFX Sortino Ratio Rank: 41
RERFX Omega Ratio Rank: 42
RERFX Calmar Ratio Rank: 37
RERFX 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.

REIPX vs. RERFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Real Estate Fund Class I (REIPX) and American Funds Real Estate Index Fund Class R-6 (RERFX). 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.

	REIPX	RERFX	Difference
Sharpe ratio Return per unit of total volatility	2.28	1.88	+0.40
Sortino ratio Return per unit of downside risk	3.29	2.68	+0.61
Omega ratio Gain probability vs. loss probability	1.41	1.35	+0.07
Calmar ratio Return relative to maximum drawdown	3.32	2.31	+1.01
Martin ratio Return relative to average drawdown	12.38	8.71	+3.67
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

REIPX vs. RERFX - Sharpe Ratio Comparison

The current REIPX Sharpe Ratio is 2.28, which is comparable to the RERFX Sharpe Ratio of 1.88. The chart below compares the historical Sharpe Ratios of REIPX and RERFX, 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

	REIPX	RERFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.28	1.88	+0.40
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.64	0.32	+0.32
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.67	0.54	+0.13
Sharpe Ratio (All Time) Calculated using the full available price history	0.69	0.44	+0.25

Drawdowns

REIPX vs. RERFX - Drawdown Comparison

The maximum REIPX drawdown since its inception was -39.69%, smaller than the maximum RERFX drawdown of -53.80%. Use the drawdown chart below to compare losses from any high point for REIPX and RERFX.

Drawdown Indicators

	REIPX	RERFX	Difference
Max Drawdown Largest peak-to-trough decline	-39.69%	-53.80%	+14.11%
Max Drawdown (1Y) Largest decline over 1 year	-7.31%	-12.53%	+5.22%
Max Drawdown (3Y) Largest decline over 3 years	-14.32%	-15.62%	+1.30%
Max Drawdown (5Y) Largest decline over 5 years	-18.02%	-37.32%	+19.30%
Max Drawdown (10Y) Largest decline over 10 years	-39.69%	-37.32%	-2.37%
Current Drawdown Current decline from peak	-0.49%	0.00%	-0.49%
Average Drawdown Average peak-to-trough decline	-4.41%	-11.02%	+6.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.95%	3.32%	-1.37%

Volatility

REIPX vs. RERFX - Volatility Comparison

The current volatility for T. Rowe Price Real Estate Fund Class I (REIPX) is 2.96%, while American Funds Real Estate Index Fund Class R-6 (RERFX) has a volatility of 5.40%. This indicates that REIPX experiences smaller price fluctuations and is considered to be less risky than RERFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	REIPX	RERFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.96%	5.40%	-2.44%
Volatility (6M) Calculated over the trailing 6-month period	8.04%	12.93%	-4.89%
Volatility (1Y) Calculated over the trailing 1-year period	10.65%	15.38%	-4.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.92%	16.67%	-1.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.84%	16.94%	+0.90%

REIPX vs. RERFX - Expense Ratio Comparison

REIPX has a 0.65% expense ratio, which is higher than RERFX's 0.29% expense ratio.

Dividends

REIPX vs. RERFX - Dividend Comparison

REIPX's dividend yield for the trailing twelve months is around 2.54%, less than RERFX's 12.41% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
REIPX T. Rowe Price Real Estate Fund Class I	2.54%	2.87%	9.05%	6.30%	6.86%	8.89%	3.65%	12.62%	11.53%	9.03%	7.88%	0.00%
RERFX American Funds Real Estate Index Fund Class R-6	12.41%	13.93%	4.90%	3.90%	1.98%	10.14%	0.38%	3.10%	3.11%	4.94%	1.58%	3.38%

Frequently Asked Questions

Can I hold both REIPX and RERFX in my portfolio?

REIPX and RERFX have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, REIPX or RERFX?

RERFX has higher volatility (5.40%) compared to REIPX (2.96%). In terms of maximum drawdown, REIPX dropped -39.69% vs RERFX's -53.80%.

Which has better risk-adjusted returns?

REIPX currently has the higher Sharpe Ratio (2.28 vs 1.88), 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.