FISR vs. FDFIX

Last updated Jun 24, 2026

FISR (SPDR SSGA Fixed Income Sector Rotation ETF) and FDFIX (Fidelity Flex 500 Index Fund) are both funds - FISR is a Intermediate Core-Plus Bond fund actively managed by State Street, while FDFIX is a Large Cap Blend Equities fund tracking the Fidelity U.S. Large Cap Index. FISR is actively managed, while FDFIX is passively managed. Over the past 5 years, FISR returned -0.82%/yr vs 13.53%/yr for FDFIX. At a 0.15 correlation, their price movements are largely independent. FISR charges 0.50%/yr vs 0.00%/yr for FDFIX.

Performance

FISR vs. FDFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR SSGA Fixed Income Sector Rotation ETF (FISR) and Fidelity Flex 500 Index Fund (FDFIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FISR achieves a 0.28% return, which is significantly lower than FDFIX's 9.64% return.

FISR

• 1D: 0.02%
• 1M: 0.70%
• YTD: 0.28%
• 6M: 0.51%
• 1Y: 4.01%
• 3Y*: 3.43%
• 5Y*: -0.82%
• 10Y*: —

FDFIX

• 1D: -0.38%
• 1M: 0.31%
• YTD: 9.64%
• 6M: 8.63%
• 1Y: 25.08%
• 3Y*: 21.26%
• 5Y*: 13.53%
• 10Y*: —

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

FISR vs. FDFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
FISR SPDR SSGA Fixed Income Sector Rotation ETF	0.28%	6.32%	1.01%	5.28%	-15.73%	-1.70%	5.86%	6.74%
FDFIX Fidelity Flex 500 Index Fund	9.64%	17.59%	25.06%	26.27%	-18.10%	28.69%	18.46%	14.41%

Correlation

The correlation between FISR and FDFIX is 0.35, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.35
Correlation (3Y) Calculated over the trailing 3-year period	0.23
Correlation (5Y) Calculated over the trailing 5-year period	0.17
Correlation (All Time) Calculated using the full available price history since Apr 3, 2019	0.15

The correlation between FISR and FDFIX shifts across timeframes, from 0.15 (all time) to 0.35 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

FISR vs. FDFIX — Risk / Return Rank

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

FISR

FISR Risk / Return Rank: 27
FISR Sharpe Ratio Rank: 28
FISR Sortino Ratio Rank: 27
FISR Omega Ratio Rank: 24
FISR Calmar Ratio Rank: 28
FISR Martin Ratio Rank: 28

FDFIX

FDFIX Risk / Return Rank: 61
FDFIX Sharpe Ratio Rank: 60
FDFIX Sortino Ratio Rank: 54
FDFIX Omega Ratio Rank: 56
FDFIX Calmar Ratio Rank: 65
FDFIX Martin Ratio Rank: 73

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.

FISR vs. FDFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR SSGA Fixed Income Sector Rotation ETF (FISR) and Fidelity Flex 500 Index Fund (FDFIX). 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.

	FISR	FDFIX	Difference
Sharpe ratio: Return per unit of total volatility	0.92	2.10	-1.18
Sortino ratio: Return per unit of downside risk	1.37	2.83	-1.46
Omega ratio: Gain probability vs. loss probability	1.16	1.38	-0.22
Calmar ratio: Return relative to maximum drawdown	1.31	2.95	-1.63
Martin ratio: Return relative to average drawdown	3.59	12.98	-9.39

FISR vs. FDFIX - Sharpe Ratio Comparison

The current FISR Sharpe Ratio is 0.92, which is lower than the FDFIX Sharpe Ratio of 2.10. The chart below compares the historical Sharpe Ratios of FISR and FDFIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

FISR vs. FDFIX - Drawdown Comparison

The maximum FISR drawdown since its inception was -20.27%, smaller than the maximum FDFIX drawdown of -33.77%. Use the drawdown chart below to compare losses from any high point for FISR and FDFIX.

Drawdown Indicators

	FISR	FDFIX	Difference
Max Drawdown Largest peak-to-trough decline	-20.27%	-33.77%	+13.50%
Max Drawdown (1Y) Largest decline over 1 year	-3.06%	-8.99%	+5.93%
Max Drawdown (3Y) Largest decline over 3 years	-6.60%	-18.76%	+12.16%
Max Drawdown (5Y) Largest decline over 5 years	-20.10%	-24.51%	+4.41%
Current Drawdown Current decline from peak	-6.10%	-1.70%	-4.40%
Average Drawdown Average peak-to-trough decline	-7.69%	-4.56%	-3.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.12%	2.03%	-0.91%

Volatility

FISR vs. FDFIX - Volatility Comparison

The current volatility for SPDR SSGA Fixed Income Sector Rotation ETF (FISR) is 1.45%, while Fidelity Flex 500 Index Fund (FDFIX) has a volatility of 4.81%. This indicates that FISR experiences smaller price fluctuations and is considered to be less risky than FDFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FISR	FDFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.45%	4.81%	-3.36%
Volatility (6M) Calculated over the trailing 6-month period	3.38%	10.00%	-6.62%
Volatility (1Y) Calculated over the trailing 1-year period	4.37%	12.64%	-8.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.60%	17.05%	-10.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.35%	18.59%	-12.24%

FISR vs. FDFIX - Expense Ratio Comparison

FISR has a 0.50% expense ratio, which is higher than FDFIX's 0.00% expense ratio.

Dividends

FISR vs. FDFIX - Dividend Comparison

FISR's dividend yield for the trailing twelve months is around 4.18%, more than FDFIX's 1.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FDFIX Fidelity Flex 500 Index Fund	1.04%	1.11%	1.26%	1.48%	1.70%	1.27%	1.52%	1.78%	2.16%	0.50%
FISR SPDR SSGA Fixed Income Sector Rotation ETF	4.18%	3.97%	3.59%	3.50%	2.19%	1.87%	2.47%	2.99%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FISR and FDFIX in my portfolio?

FISR and FDFIX have a correlation of 0.35, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FISR or FDFIX?

FDFIX has higher volatility (4.81%) compared to FISR (1.45%). In terms of maximum drawdown, FISR dropped -20.27% vs FDFIX's -33.77%.

Which has better risk-adjusted returns?

FDFIX currently has the higher Sharpe Ratio (2.10 vs 0.92), 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.