FFOPX vs. FNSBX

Last updated Jun 24, 2026

FFOPX (Fidelity Freedom Index 2050 Fund Institutional Premium Class) and FNSBX (Fidelity Freedom 2050 Fund Class K) are both Target Retirement Date funds from Fidelity. Over the past 5 years, FFOPX returned 9.84%/yr vs 10.63%/yr for FNSBX. With a 0.99 correlation, they move nearly in lockstep. FFOPX charges 0.08%/yr vs 0.65%/yr for FNSBX.

Performance

FFOPX vs. FNSBX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom Index 2050 Fund Institutional Premium Class (FFOPX) and Fidelity Freedom 2050 Fund Class K (FNSBX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FFOPX achieves a 11.72% return, which is significantly lower than FNSBX's 14.42% return.

FFOPX

• 1D: -0.17%
• 1M: 1.74%
• YTD: 11.72%
• 6M: 11.09%
• 1Y: 26.60%
• 3Y*: 18.95%
• 5Y*: 9.84%
• 10Y*: 12.24%

FNSBX

• 1D: -0.28%
• 1M: 3.00%
• YTD: 14.42%
• 6M: 13.84%
• 1Y: 30.90%
• 3Y*: 20.78%
• 5Y*: 10.63%
• 10Y*: —

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

FFOPX vs. FNSBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FFOPX Fidelity Freedom Index 2050 Fund Institutional Premium Class	11.72%	21.41%	14.20%	19.97%	-18.20%	15.98%	16.55%	26.00%	-7.19%	7.85%
FNSBX Fidelity Freedom 2050 Fund Class K	14.42%	23.79%	14.17%	20.64%	-18.25%	16.67%	18.43%	25.49%	-8.83%	7.36%

Correlation

The correlation between FFOPX and FNSBX is 0.99 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.99
Correlation (3Y) Calculated over the trailing 3-year period	0.99
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (All Time) Calculated using the full available price history since Jul 25, 2017	0.99

The correlation between FFOPX and FNSBX has been stable across timeframes, ranging from 0.99 to 0.99 - a consistent structural relationship.

Return for Risk

FFOPX vs. FNSBX — Risk / Return Rank

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

FFOPX

FFOPX Risk / Return Rank: 70
FFOPX Sharpe Ratio Rank: 71
FFOPX Sortino Ratio Rank: 66
FFOPX Omega Ratio Rank: 67
FFOPX Calmar Ratio Rank: 71
FFOPX Martin Ratio Rank: 76

FNSBX

FNSBX Risk / Return Rank: 77
FNSBX Sharpe Ratio Rank: 78
FNSBX Sortino Ratio Rank: 73
FNSBX Omega Ratio Rank: 74
FNSBX Calmar Ratio Rank: 78
FNSBX Martin Ratio Rank: 84

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.

FFOPX vs. FNSBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom Index 2050 Fund Institutional Premium Class (FFOPX) and Fidelity Freedom 2050 Fund Class K (FNSBX). 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.

	FFOPX	FNSBX	Difference
Sharpe ratio: Return per unit of total volatility	2.25	2.37	-0.11
Sortino ratio: Return per unit of downside risk	3.08	3.23	-0.15
Omega ratio: Gain probability vs. loss probability	1.41	1.44	-0.02
Calmar ratio: Return relative to maximum drawdown	3.09	3.32	-0.23
Martin ratio: Return relative to average drawdown	13.31	14.48	-1.17

FFOPX vs. FNSBX - Sharpe Ratio Comparison

The current FFOPX Sharpe Ratio is 2.25, which is comparable to the FNSBX Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of FFOPX and FNSBX, 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

FFOPX vs. FNSBX - Drawdown Comparison

The maximum FFOPX drawdown since its inception was -30.71%, roughly equal to the maximum FNSBX drawdown of -30.88%. Use the drawdown chart below to compare losses from any high point for FFOPX and FNSBX.

Drawdown Indicators

	FFOPX	FNSBX	Difference
Max Drawdown Largest peak-to-trough decline	-30.71%	-30.88%	+0.17%
Max Drawdown (1Y) Largest decline over 1 year	-8.97%	-9.66%	+0.69%
Max Drawdown (3Y) Largest decline over 3 years	-14.72%	-15.39%	+0.67%
Max Drawdown (5Y) Largest decline over 5 years	-26.18%	-27.28%	+1.10%
Max Drawdown (10Y) Largest decline over 10 years	-30.71%	—	—
Current Drawdown Current decline from peak	-0.66%	-0.28%	-0.38%
Average Drawdown Average peak-to-trough decline	-4.66%	-5.57%	+0.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.08%	2.21%	-0.13%

Volatility

FFOPX vs. FNSBX - Volatility Comparison

The current volatility for Fidelity Freedom Index 2050 Fund Institutional Premium Class (FFOPX) is 4.96%, while Fidelity Freedom 2050 Fund Class K (FNSBX) has a volatility of 5.58%. This indicates that FFOPX experiences smaller price fluctuations and is considered to be less risky than FNSBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FFOPX	FNSBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.96%	5.58%	-0.62%
Volatility (6M) Calculated over the trailing 6-month period	10.27%	11.52%	-1.25%
Volatility (1Y) Calculated over the trailing 1-year period	12.34%	13.60%	-1.26%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.51%	15.18%	-0.67%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.21%	16.01%	-0.80%

FFOPX vs. FNSBX - Expense Ratio Comparison

FFOPX has a 0.08% expense ratio, which is lower than FNSBX's 0.65% expense ratio.

Dividends

FFOPX vs. FNSBX - Dividend Comparison

FFOPX's dividend yield for the trailing twelve months is around 1.79%, less than FNSBX's 5.24% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FFOPX Fidelity Freedom Index 2050 Fund Institutional Premium Class	1.79%	2.01%	2.04%	1.98%	2.07%	2.05%	1.97%	15.21%	2.32%	2.09%	2.14%	2.01%
FNSBX Fidelity Freedom 2050 Fund Class K	5.24%	4.15%	2.13%	1.92%	11.92%	11.83%	4.99%	6.57%	7.80%	2.86%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FFOPX and FNSBX in my portfolio?

With a correlation of 0.99, FFOPX and FNSBX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, FFOPX or FNSBX?

FNSBX has higher volatility (5.58%) compared to FFOPX (4.96%). In terms of maximum drawdown, FFOPX dropped -30.71% vs FNSBX's -30.88%.

Which has better risk-adjusted returns?

FNSBX currently has the higher Sharpe Ratio (2.37 vs 2.25), 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.