FIRVX vs. WFSPX

Last updated Jul 17, 2026

FIRVX (Fidelity Managed Retirement 2020 Fund) and WFSPX (iShares S&P 500 Index Fund Class K) are both mutual funds - FIRVX is a Target Retirement Date fund managed by BlackRock, while WFSPX is a S&P 500 fund tracking the S&P 500 Index. Their correlation of 0.90 suggests significant overlap in exposure. FIRVX charges 0.47%/yr vs 0.03%/yr for WFSPX.

Performance

FIRVX vs. WFSPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Managed Retirement 2020 Fund (FIRVX) and iShares S&P 500 Index Fund Class K (WFSPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

FIRVX

• 1D: —
• 1M: —
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

WFSPX

• 1D: 0.39%
• 1M: 0.88%
• 6M: 9.66%
• YTD: 11.30%
• 1Y: 22.27%
• 3Y*: 20.44%
• 5Y*: 13.42%
• 10Y*: 15.14%

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

FIRVX vs. WFSPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FIRVX Fidelity Managed Retirement 2020 Fund	1,440,933.92%	12.25%	5.86%	10.72%	-14.63%	6.77%	12.06%	16.19%	-4.45%	13.32%
WFSPX iShares S&P 500 Index Fund Class K	11.30%	17.83%	24.94%	26.25%	-18.14%	28.63%	18.43%	31.45%	-4.83%	21.27%

Correlation

The correlation between FIRVX and WFSPX is 0.80, 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	0.80
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (5Y) Calculated over the trailing 5-year period	0.78
Correlation (10Y) Calculated over the trailing 10-year period	0.83
Correlation (All Time) Calculated using the full available price history since Dec 31, 2007	0.90

The correlation between FIRVX and WFSPX shifts across timeframes, from 0.76 (3 years) to 0.90 (all time), reflecting how their relationship changes across market environments.

Return for Risk

FIRVX vs. WFSPX — Risk / Return Rank

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

FIRVX

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

WFSPX

WFSPX Risk / Return Rank: 68
WFSPX Sharpe Ratio Rank: 68
WFSPX Sortino Ratio Rank: 62
WFSPX Omega Ratio Rank: 64
WFSPX Calmar Ratio Rank: 69
WFSPX Martin Ratio Rank: 79

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.

FIRVX vs. WFSPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Managed Retirement 2020 Fund (FIRVX) and iShares S&P 500 Index Fund Class K (WFSPX). 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.

	FIRVX	WFSPX	Difference
Sharpe ratio: Return per unit of total volatility	—	1.82	—
Sortino ratio: Return per unit of downside risk	—	2.49	—
Omega ratio: Gain probability vs. loss probability	—	1.33	—
Calmar ratio: Return relative to maximum drawdown	—	2.56	—
Martin ratio: Return relative to average drawdown	—	11.22	—

Drawdowns

Drawdown Indicators

	FIRVX	WFSPX	Difference
Max Drawdown Largest peak-to-trough decline	—	-58.21%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-8.90%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-18.74%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-24.51%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.74%	—
Current Drawdown Current decline from peak	—	-0.35%	—
Average Drawdown Average peak-to-trough decline	—	-12.74%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.03%	—

Volatility

Volatility by Period

	FIRVX	WFSPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	3.61%	—
Volatility (6M) Calculated over the trailing 6-month period	—	9.98%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	12.54%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	16.99%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	18.01%	—

FIRVX vs. WFSPX - Expense Ratio Comparison

FIRVX has a 0.47% expense ratio, which is higher than WFSPX's 0.03% expense ratio.

Dividends

FIRVX vs. WFSPX - Dividend Comparison

FIRVX's dividend yield for the trailing twelve months is around 102.77%, more than WFSPX's 1.64% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FIRVX Fidelity Managed Retirement 2020 Fund	102.77%	2.83%	2.74%	2.57%	3.52%	4.61%	3.74%	3.18%	6.90%	25.16%	2.28%	4.45%
WFSPX iShares S&P 500 Index Fund Class K	1.64%	1.72%	1.41%	1.50%	2.02%	1.82%	1.66%	1.99%	2.00%	1.62%	2.37%	2.49%

Frequently Asked Questions

Can I hold both FIRVX and WFSPX in my portfolio?

FIRVX and WFSPX have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.