PortfoliosLab logoPortfoliosLab logo

Documentation

Upgrade your plan
TBLYX vs. LTTIX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

TBLYX vs. LTTIX

Last updated Jun 24, 2026

TBLYX (T. Rowe Price Retirement Blend 2035 Fund) and LTTIX (MFS Lifetime 2025 Fund) are both Target Retirement Date funds. Over the past 3 years, TBLYX returned 16.02%/yr vs 8.33%/yr for LTTIX. Their correlation of 0.88 suggests significant overlap in exposure. TBLYX charges 0.40%/yr vs 0.00%/yr for LTTIX.

Performance

TBLYX vs. LTTIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Retirement Blend 2035 Fund (TBLYX) and MFS Lifetime 2025 Fund (LTTIX). The values are adjusted to include any dividend payments, if applicable.

Loading charts...

Returns By Period

In the year-to-date period, TBLYX achieves a 9.14% return, which is significantly higher than LTTIX's 2.74% return.

TBLYX

1D
-0.15%
1M
1.22%
YTD
9.14%
6M
8.60%
1Y
21.39%
3Y*
16.02%
5Y*
—
10Y*
—

LTTIX

1D
0.00%
1M
0.08%
YTD
2.74%
6M
2.59%
1Y
8.04%
3Y*
8.33%
5Y*
3.72%
10Y*
6.24%
*Multi-year figures are annualized to reflect compound growth (CAGR)

TBLYX vs. LTTIX - Yearly Performance Comparison

2026 (YTD)20252024202320222021
TBLYX
T. Rowe Price Retirement Blend 2035 Fund		9.14%17.30%12.43%18.44%-17.17%4.09%
LTTIX
MFS Lifetime 2025 Fund		2.74%9.29%6.73%10.36%-12.36%1.68%

Correlation

The correlation between TBLYX and LTTIX is 0.85, 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

0.85

Correlation (3Y)
Calculated over the trailing 3-year period

0.85

Correlation (All Time)
Calculated using the full available price history since Jul 30, 2021

0.88

The correlation between TBLYX and LTTIX has been stable across timeframes, ranging from 0.85 to 0.88 - a consistent structural relationship.

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

T. Rowe Price Retirement Blend 2035 Fund

MFS Lifetime 2025 Fund

Often compared with TBLYX:
TBLYX vs. FRKMXTBLYX vs. PTDIXTBLYX vs. FFGZXTBLYX vs. FIKFXTBLYX vs. TRRIXTBLYX vs. LTFIXTBLYX vs. FIRMX
Often compared with LTTIX:
LTTIX vs. VOOLTTIX vs. TRRHXLTTIX vs. JRLVXLTTIX vs. JIEHXLTTIX vs. MINIXLTTIX vs. MEIIXLTTIX vs. FIRMX

Return for Risk

TBLYX vs. LTTIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
TBLYX
TBLYX Risk / Return Rank: 6363
Overall Rank
TBLYX Sharpe Ratio Rank: 6363
Sharpe Ratio Rank
TBLYX Sortino Ratio Rank: 6161
Sortino Ratio Rank
TBLYX Omega Ratio Rank: 6363
Omega Ratio Rank
TBLYX Calmar Ratio Rank: 6060
Calmar Ratio Rank
TBLYX Martin Ratio Rank: 6868
Martin Ratio Rank
LTTIX
LTTIX Risk / Return Rank: 6161
Overall Rank
LTTIX Sharpe Ratio Rank: 6464
Sharpe Ratio Rank
LTTIX Sortino Ratio Rank: 7171
Sortino Ratio Rank
LTTIX Omega Ratio Rank: 6969
Omega Ratio Rank
LTTIX Calmar Ratio Rank: 4646
Calmar Ratio Rank
LTTIX Martin Ratio Rank: 5656
Martin Ratio Rank
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.

TBLYX vs. LTTIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Retirement Blend 2035 Fund (TBLYX) and MFS Lifetime 2025 Fund (LTTIX). 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.

TBLYXLTTIXDifference
Sharpe ratioReturn per unit of total volatility
2.14
2.16

-0.01

Sortino ratioReturn per unit of downside risk
2.99
3.20

-0.21

Omega ratioGain probability vs. loss probability

1.40

1.42

-0.02

Calmar ratioReturn relative to maximum drawdown

2.84

2.47

+0.37

Martin ratioReturn relative to average drawdown

12.38

10.68

+1.70

TBLYX vs. LTTIX - Sharpe Ratio Comparison

The current TBLYX Sharpe Ratio is 2.14, which is comparable to the LTTIX Sharpe Ratio of 2.16. The chart below compares the historical Sharpe Ratios of TBLYX and LTTIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Loading charts...

Drawdowns

TBLYX vs. LTTIX - Drawdown Comparison

The maximum TBLYX drawdown since its inception was -24.54%, which is greater than LTTIX's maximum drawdown of -19.33%. Use the drawdown chart below to compare losses from any high point for TBLYX and LTTIX.

Loading charts...

Drawdown Indicators

TBLYXLTTIXDifference

Max Drawdown

Largest peak-to-trough decline

-24.54%

-19.33%

-5.21%

Max Drawdown (1Y)

Largest decline over 1 year

-7.83%

-3.64%

-4.19%

Max Drawdown (3Y)

Largest decline over 3 years

-13.02%

-5.77%

-7.25%

Max Drawdown (5Y)

Largest decline over 5 years

—

-16.92%

—

Max Drawdown (10Y)

Largest decline over 10 years

—

-19.33%

—

Current Drawdown

Current decline from peak

-0.45%

-0.45%

0.00%

Average Drawdown

Average peak-to-trough decline

-6.05%

-2.68%

-3.37%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.79%

0.84%

+0.95%

Volatility

TBLYX vs. LTTIX - Volatility Comparison

T. Rowe Price Retirement Blend 2035 Fund (TBLYX) has a higher volatility of 3.92% compared to MFS Lifetime 2025 Fund (LTTIX) at 1.34%. This indicates that TBLYX's price experiences larger fluctuations and is considered to be riskier than LTTIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Loading charts...

Volatility by Period

TBLYXLTTIXDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.92%

1.34%

+2.58%

Volatility (6M)

Calculated over the trailing 6-month period

8.59%

3.32%

+5.27%

Volatility (1Y)

Calculated over the trailing 1-year period

10.40%

4.18%

+6.22%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

13.10%

6.37%

+6.73%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

13.10%

7.24%

+5.86%

TBLYX vs. LTTIX - Expense Ratio Comparison

TBLYX has a 0.40% expense ratio, which is higher than LTTIX's 0.00% expense ratio.

Dividends

TBLYX vs. LTTIX - Dividend Comparison

TBLYX's dividend yield for the trailing twelve months is around 2.29%, less than LTTIX's 11.54% yield.

PositionTTM20252024202320222021202020192018201720162015
LTTIX
MFS Lifetime 2025 Fund		11.54%8.13%7.07%3.30%5.88%7.35%2.83%3.68%4.32%3.51%4.03%1.82%
TBLYX
T. Rowe Price Retirement Blend 2035 Fund		2.29%2.50%2.05%1.94%2.18%1.40%0.00%0.00%0.00%0.00%0.00%0.00%

Frequently Asked Questions

TBLYX and LTTIX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

TBLYX has higher volatility (3.92%) compared to LTTIX (1.34%). In terms of maximum drawdown, TBLYX dropped -24.54% vs LTTIX's -19.33%.

LTTIX currently has the higher Sharpe Ratio (2.16 vs 2.14), 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.

Portfolio Optimizer

Find the right allocation for TBLYX and LTTIX

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Optimizer