TLXIX vs. FSNKX

Last updated Jun 4, 2026

TLXIX (TIAA-CREF Lifecycle Index 2045 Fund) and FSNKX (Fidelity Freedom 2010 Fund Class K) are both Target Retirement Date funds. Over the past 5 years, TLXIX returned 10.15%/yr vs 3.75%/yr for FSNKX. Their correlation of 0.86 suggests significant overlap in exposure. TLXIX charges 0.10%/yr vs 0.44%/yr for FSNKX.

Performance

TLXIX vs. FSNKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in TIAA-CREF Lifecycle Index 2045 Fund (TLXIX) and Fidelity Freedom 2010 Fund Class K (FSNKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TLXIX achieves a 11.45% return, which is significantly higher than FSNKX's 5.34% return.

TLXIX

• 1D: 0.33%
• 1M: 5.12%
• YTD: 11.45%
• 6M: 12.12%
• 1Y: 26.58%
• 3Y*: 18.95%
• 5Y*: 10.15%
• 10Y*: 11.88%

FSNKX

• 1D: 0.26%
• 1M: 1.83%
• YTD: 5.34%
• 6M: 5.70%
• 1Y: 12.71%
• 3Y*: 9.12%
• 5Y*: 3.75%
• 10Y*: —

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

TLXIX vs. FSNKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TLXIX TIAA-CREF Lifecycle Index 2045 Fund	11.45%	20.13%	14.63%	20.06%	-17.26%	16.63%	17.02%	25.84%	-6.96%	5.52%
FSNKX Fidelity Freedom 2010 Fund Class K	5.34%	11.42%	5.33%	9.94%	-13.18%	5.67%	11.22%	14.40%	-3.50%	4.12%

Correlation

The correlation between TLXIX and FSNKX 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 (1Y) Calculated over the trailing 1-year period	0.87
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (All Time) Calculated using the full available price history since Jul 26, 2017	0.86

The correlation between TLXIX and FSNKX has been stable across timeframes, ranging from 0.83 to 0.87 - a consistent structural relationship.

Return for Risk

TLXIX vs. FSNKX — Risk / Return Rank

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

TLXIX

TLXIX Risk / Return Rank: 71
TLXIX Sharpe Ratio Rank: 74
TLXIX Sortino Ratio Rank: 69
TLXIX Omega Ratio Rank: 67
TLXIX Calmar Ratio Rank: 69
TLXIX Martin Ratio Rank: 76

FSNKX

FSNKX Risk / Return Rank: 76
FSNKX Sharpe Ratio Rank: 78
FSNKX Sortino Ratio Rank: 79
FSNKX Omega Ratio Rank: 80
FSNKX Calmar Ratio Rank: 69
FSNKX Martin Ratio Rank: 75

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.

TLXIX vs. FSNKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for TIAA-CREF Lifecycle Index 2045 Fund (TLXIX) and Fidelity Freedom 2010 Fund Class K (FSNKX). 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.

	TLXIX	FSNKX	Difference
Sharpe ratio: Return per unit of total volatility	2.49	2.58	-0.08
Sortino ratio: Return per unit of downside risk	3.46	3.77	-0.31
Omega ratio: Gain probability vs. loss probability	1.46	1.53	-0.07
Calmar ratio: Return relative to maximum drawdown	3.21	3.22	-0.01
Martin ratio: Return relative to average drawdown	14.29	14.11	+0.18
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TLXIX vs. FSNKX - Sharpe Ratio Comparison

The current TLXIX Sharpe Ratio is 2.49, which is comparable to the FSNKX Sharpe Ratio of 2.58. The chart below compares the historical Sharpe Ratios of TLXIX and FSNKX, 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

	TLXIX	FSNKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.49	2.58	-0.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.73	0.59	+0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.79	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.75	0.84	-0.09

Drawdowns

TLXIX vs. FSNKX - Drawdown Comparison

The maximum TLXIX drawdown since its inception was -31.08%, which is greater than FSNKX's maximum drawdown of -18.31%. Use the drawdown chart below to compare losses from any high point for TLXIX and FSNKX.

Drawdown Indicators

	TLXIX	FSNKX	Difference
Max Drawdown Largest peak-to-trough decline	-31.08%	-18.31%	-12.77%
Max Drawdown (1Y) Largest decline over 1 year	-8.45%	-4.00%	-4.45%
Max Drawdown (3Y) Largest decline over 3 years	-14.27%	-5.76%	-8.51%
Max Drawdown (5Y) Largest decline over 5 years	-24.97%	-18.31%	-6.66%
Max Drawdown (10Y) Largest decline over 10 years	-31.08%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-4.03%	-3.61%	-0.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.89%	0.91%	+0.98%

Volatility

TLXIX vs. FSNKX - Volatility Comparison

TIAA-CREF Lifecycle Index 2045 Fund (TLXIX) has a higher volatility of 3.28% compared to Fidelity Freedom 2010 Fund Class K (FSNKX) at 2.00%. This indicates that TLXIX's price experiences larger fluctuations and is considered to be riskier than FSNKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TLXIX	FSNKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.28%	2.00%	+1.28%
Volatility (6M) Calculated over the trailing 6-month period	8.67%	4.20%	+4.47%
Volatility (1Y) Calculated over the trailing 1-year period	10.90%	5.01%	+5.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.95%	6.40%	+7.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.14%	6.44%	+8.70%

TLXIX vs. FSNKX - Expense Ratio Comparison

TLXIX has a 0.10% expense ratio, which is lower than FSNKX's 0.44% expense ratio.

Dividends

TLXIX vs. FSNKX - Dividend Comparison

TLXIX's dividend yield for the trailing twelve months is around 2.90%, less than FSNKX's 4.68% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSNKX Fidelity Freedom 2010 Fund Class K	4.68%	4.99%	3.05%	2.83%	7.28%	9.36%	6.05%	5.83%	7.26%	3.53%	0.00%	0.00%
TLXIX TIAA-CREF Lifecycle Index 2045 Fund	2.90%	3.24%	2.33%	2.07%	2.49%	2.51%	1.77%	2.25%	2.69%	0.16%	2.59%	2.47%

Frequently Asked Questions

Can I hold both TLXIX and FSNKX in my portfolio?

TLXIX and FSNKX 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.

Which is riskier, TLXIX or FSNKX?

TLXIX has higher volatility (3.28%) compared to FSNKX (2.00%). In terms of maximum drawdown, TLXIX dropped -31.08% vs FSNKX's -18.31%.

Which has better risk-adjusted returns?

FSNKX currently has the higher Sharpe Ratio (2.58 vs 2.49), 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.