PRRUX vs. LTTIX

Last updated Jul 17, 2026

PRRUX (Putnam RetirementReady 2050 Fund) and LTTIX (MFS Lifetime 2025 Fund) are both Target Retirement Date funds. Their correlation of 0.90 suggests significant overlap in exposure. PRRUX charges 0.03%/yr vs 0.00%/yr for LTTIX.

Performance

PRRUX vs. LTTIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Putnam RetirementReady 2050 Fund (PRRUX) and MFS Lifetime 2025 Fund (LTTIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

PRRUX

• 1D: 0.36%
• 1M: 0.44%
• 6M: 5.73%
• YTD: 7.09%
• 1Y: 14.76%
• 3Y*: 14.21%
• 5Y*: 8.47%
• 10Y*: 10.00%

LTTIX

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

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

PRRUX vs. LTTIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PRRUX Putnam RetirementReady 2050 Fund	7.09%	12.94%	15.08%	21.03%	-15.14%	16.51%	13.46%	20.38%	-9.28%	20.19%
LTTIX MFS Lifetime 2025 Fund	2.74%	9.29%	6.73%	10.36%	-12.36%	8.61%	10.61%	17.82%	-3.97%	13.16%

Correlation

The correlation between PRRUX and LTTIX is 0.78, 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	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.80
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.88
Correlation (All Time) Calculated using the full available price history since Jan 2, 2013	0.90

The correlation between PRRUX and LTTIX shifts across timeframes, from 0.78 (1 year) to 0.90 (all time), reflecting how their relationship changes across market environments.

Return for Risk

PRRUX vs. LTTIX — Risk / Return Rank

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

PRRUX

PRRUX Risk / Return Rank: 32
PRRUX Sharpe Ratio Rank: 31
PRRUX Sortino Ratio Rank: 30
PRRUX Omega Ratio Rank: 30
PRRUX Calmar Ratio Rank: 31
PRRUX Martin Ratio Rank: 39

LTTIX

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

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.

PRRUX vs. LTTIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Putnam RetirementReady 2050 Fund (PRRUX) 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.

	PRRUX	LTTIX	Difference
Sharpe ratio: Return per unit of total volatility	1.31	—	—
Sortino ratio: Return per unit of downside risk	1.87	—	—
Omega ratio: Gain probability vs. loss probability	1.24	—	—
Calmar ratio: Return relative to maximum drawdown	1.78	—	—
Martin ratio: Return relative to average drawdown	7.22	—	—

Drawdowns

Drawdown Indicators

	PRRUX	LTTIX	Difference
Max Drawdown Largest peak-to-trough decline	-28.85%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-8.40%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-17.75%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-21.08%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-28.85%	—	—
Current Drawdown Current decline from peak	-0.20%	—	—
Average Drawdown Average peak-to-trough decline	-3.96%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	2.06%	—	—

Volatility

Volatility by Period

	PRRUX	LTTIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.56%	—	—
Volatility (6M) Calculated over the trailing 6-month period	9.33%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	11.37%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.38%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.61%	—	—

PRRUX vs. LTTIX - Expense Ratio Comparison

PRRUX has a 0.03% expense ratio, which is higher than LTTIX's 0.00% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

PRRUX vs. LTTIX - Dividend Comparison

PRRUX's dividend yield for the trailing twelve months is around 1.58%, less than LTTIX's 11.54% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
PRRUX Putnam RetirementReady 2050 Fund	1.58%	1.69%	1.40%	1.75%	13.51%	11.30%	1.54%	7.54%	15.23%	5.04%	0.80%	2.32%

Frequently Asked Questions

Can I hold both PRRUX and LTTIX in my portfolio?

PRRUX and LTTIX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.