FSNKX vs. ARFVX

Last updated Jun 3, 2026

FSNKX (Fidelity Freedom 2010 Fund Class K) and ARFVX (American Century Investments One Choice 2050 Portfolio) are both Target Retirement Date funds. Over the past 5 years, FSNKX returned 3.64%/yr vs 6.39%/yr for ARFVX. Their correlation of 0.87 suggests significant overlap in exposure. FSNKX charges 0.44%/yr vs 0.88%/yr for ARFVX.

Performance

FSNKX vs. ARFVX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom 2010 Fund Class K (FSNKX) and American Century Investments One Choice 2050 Portfolio (ARFVX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FSNKX achieves a 5.07% return, which is significantly lower than ARFVX's 7.35% return.

FSNKX

• 1D: 0.07%
• 1M: 1.36%
• YTD: 5.07%
• 6M: 5.70%
• 1Y: 12.49%
• 3Y*: 9.02%
• 5Y*: 3.64%
• 10Y*: —

ARFVX

• 1D: 0.13%
• 1M: 2.80%
• YTD: 7.35%
• 6M: 8.20%
• 1Y: 18.81%
• 3Y*: 13.78%
• 5Y*: 6.39%
• 10Y*: 9.51%

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

FSNKX vs. ARFVX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSNKX Fidelity Freedom 2010 Fund Class K	5.07%	11.42%	5.33%	9.94%	-13.18%	5.67%	11.22%	14.40%	-3.50%	4.12%
ARFVX American Century Investments One Choice 2050 Portfolio	7.35%	14.75%	11.30%	15.16%	-17.44%	13.36%	17.43%	24.02%	-5.24%	4.59%

Correlation

The correlation between FSNKX and ARFVX is 0.88, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.88
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (All Time) Calculated using the full available price history since Jul 26, 2017	0.87

The correlation between FSNKX and ARFVX has been stable across timeframes, ranging from 0.83 to 0.88 - a consistent structural relationship.

Return for Risk

FSNKX vs. ARFVX — Risk / Return Rank

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

FSNKX

FSNKX Risk / Return Rank: 75
FSNKX Sharpe Ratio Rank: 76
FSNKX Sortino Ratio Rank: 77
FSNKX Omega Ratio Rank: 79
FSNKX Calmar Ratio Rank: 70
FSNKX Martin Ratio Rank: 75

ARFVX

ARFVX Risk / Return Rank: 48
ARFVX Sharpe Ratio Rank: 50
ARFVX Sortino Ratio Rank: 49
ARFVX Omega Ratio Rank: 49
ARFVX Calmar Ratio Rank: 41
ARFVX Martin Ratio Rank: 52

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.

FSNKX vs. ARFVX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom 2010 Fund Class K (FSNKX) and American Century Investments One Choice 2050 Portfolio (ARFVX). 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.

	FSNKX	ARFVX	Difference
Sharpe ratio Return per unit of total volatility	2.52	2.08	+0.44
Sortino ratio Return per unit of downside risk	3.69	2.96	+0.73
Omega ratio Gain probability vs. loss probability	1.52	1.38	+0.13
Calmar ratio Return relative to maximum drawdown	3.24	2.46	+0.79
Martin ratio Return relative to average drawdown	14.25	10.63	+3.62
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSNKX vs. ARFVX - Sharpe Ratio Comparison

The current FSNKX Sharpe Ratio is 2.52, which is comparable to the ARFVX Sharpe Ratio of 2.08. The chart below compares the historical Sharpe Ratios of FSNKX and ARFVX, 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

	FSNKX	ARFVX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.52	2.08	+0.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.57	0.51	+0.06
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.70	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.84	0.47	+0.37

Drawdowns

FSNKX vs. ARFVX - Drawdown Comparison

The maximum FSNKX drawdown since its inception was -18.31%, smaller than the maximum ARFVX drawdown of -47.41%. Use the drawdown chart below to compare losses from any high point for FSNKX and ARFVX.

Drawdown Indicators

	FSNKX	ARFVX	Difference
Max Drawdown Largest peak-to-trough decline	-18.31%	-47.41%	+29.10%
Max Drawdown (1Y) Largest decline over 1 year	-4.00%	-7.82%	+3.82%
Max Drawdown (3Y) Largest decline over 3 years	-5.76%	-12.64%	+6.88%
Max Drawdown (5Y) Largest decline over 5 years	-18.31%	-25.12%	+6.81%
Max Drawdown (10Y) Largest decline over 10 years	—	-29.55%	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-3.61%	-6.54%	+2.93%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.91%	1.81%	-0.90%

Volatility

FSNKX vs. ARFVX - Volatility Comparison

The current volatility for Fidelity Freedom 2010 Fund Class K (FSNKX) is 1.99%, while American Century Investments One Choice 2050 Portfolio (ARFVX) has a volatility of 2.74%. This indicates that FSNKX experiences smaller price fluctuations and is considered to be less risky than ARFVX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSNKX	ARFVX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.99%	2.74%	-0.75%
Volatility (6M) Calculated over the trailing 6-month period	4.20%	7.38%	-3.18%
Volatility (1Y) Calculated over the trailing 1-year period	5.01%	9.28%	-4.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.40%	12.49%	-6.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.45%	13.60%	-7.15%

FSNKX vs. ARFVX - Expense Ratio Comparison

FSNKX has a 0.44% expense ratio, which is lower than ARFVX's 0.88% expense ratio.

Dividends

FSNKX vs. ARFVX - Dividend Comparison

FSNKX's dividend yield for the trailing twelve months is around 4.69%, less than ARFVX's 13.42% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARFVX American Century Investments One Choice 2050 Portfolio	13.42%	14.41%	4.91%	1.96%	6.71%	7.57%	6.52%	8.66%	10.95%	1.22%	3.88%	6.89%
FSNKX Fidelity Freedom 2010 Fund Class K	4.69%	4.99%	3.05%	2.83%	7.28%	9.36%	6.05%	5.83%	7.26%	3.53%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FSNKX and ARFVX in my portfolio?

FSNKX and ARFVX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FSNKX or ARFVX?

ARFVX has higher volatility (2.74%) compared to FSNKX (1.99%). In terms of maximum drawdown, FSNKX dropped -18.31% vs ARFVX's -47.41%.

Which has better risk-adjusted returns?

FSNKX currently has the higher Sharpe Ratio (2.52 vs 2.08), 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.