RRPAX vs. FFNYX

Last updated Jun 24, 2026

RRPAX (SEI Institutional Investments Trust Real Return Fund) and FFNYX (Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund) are both Inflation-Protected Bonds funds. Their correlation of 0.87 suggests significant overlap in exposure. RRPAX charges 0.02%/yr vs 0.05%/yr for FFNYX.

Performance

RRPAX vs. FFNYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SEI Institutional Investments Trust Real Return Fund (RRPAX) and Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund (FFNYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

RRPAX

• 1D: -0.11%
• 1M: -0.21%
• YTD: 1.11%
• 6M: 1.23%
• 1Y: 3.36%
• 3Y*: 4.70%
• 5Y*: 2.80%
• 10Y*: 2.85%

FFNYX

• 1D: -0.10%
• 1M: -0.20%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

RRPAX vs. FFNYX - Yearly Performance Comparison

	2026 (YTD)
RRPAX SEI Institutional Investments Trust Real Return Fund	0.24%
FFNYX Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund	0.24%

Correlation

The correlation between RRPAX and FFNYX 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 (All Time) Calculated using the full available price history since Mar 16, 2026	0.87

Return for Risk

RRPAX vs. FFNYX — Risk / Return Rank

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

RRPAX

RRPAX Risk / Return Rank: 64
RRPAX Sharpe Ratio Rank: 46
RRPAX Sortino Ratio Rank: 53
RRPAX Omega Ratio Rank: 59
RRPAX Calmar Ratio Rank: 83
RRPAX Martin Ratio Rank: 79

FFNYX

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

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.

RRPAX vs. FFNYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SEI Institutional Investments Trust Real Return Fund (RRPAX) and Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund (FFNYX). 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.

	RRPAX	FFNYX	Difference
Sharpe ratio: Return per unit of total volatility	1.83	—	—
Sortino ratio: Return per unit of downside risk	2.81	—	—
Omega ratio: Gain probability vs. loss probability	1.39	—	—
Calmar ratio: Return relative to maximum drawdown	3.68	—	—
Martin ratio: Return relative to average drawdown	13.75	—	—

Drawdowns

RRPAX vs. FFNYX - Drawdown Comparison

The maximum RRPAX drawdown since its inception was -16.15%, which is greater than FFNYX's maximum drawdown of -0.78%. Use the drawdown chart below to compare losses from any high point for RRPAX and FFNYX.

Drawdown Indicators

	RRPAX	FFNYX	Difference
Max Drawdown Largest peak-to-trough decline	-16.15%	-0.78%	-15.37%
Max Drawdown (1Y) Largest decline over 1 year	-0.95%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-1.89%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-6.48%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-6.48%	—	—
Current Drawdown Current decline from peak	-0.95%	-0.78%	-0.17%
Average Drawdown Average peak-to-trough decline	-2.94%	-0.21%	-2.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.25%	—	—

Volatility

Volatility by Period

	RRPAX	FFNYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.81%	—	—
Volatility (6M) Calculated over the trailing 6-month period	1.45%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	1.91%	2.00%	-0.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.24%	2.00%	+1.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.70%	2.00%	+0.70%

RRPAX vs. FFNYX - Expense Ratio Comparison

RRPAX has a 0.02% expense ratio, which is lower than FFNYX's 0.05% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

RRPAX vs. FFNYX - Dividend Comparison

RRPAX's dividend yield for the trailing twelve months is around 3.96%, more than FFNYX's 0.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
FFNYX Fidelity SAI 0-5 Year Inflation-Protected Bond Index Fund	0.04%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
RRPAX SEI Institutional Investments Trust Real Return Fund	3.96%	4.64%	3.57%	2.43%	7.18%	5.33%	1.38%	2.14%	2.35%	1.89%	1.23%

Frequently Asked Questions

Can I hold both RRPAX and FFNYX in my portfolio?

RRPAX and FFNYX 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.