PDDDX vs. LTTIX

Last updated Jun 24, 2026

PDDDX (Prudential Day One 2020 Fund) and LTTIX (MFS Lifetime 2025 Fund) are both Target Retirement Date funds. Over the past 5 years, PDDDX returned 10.67%/yr vs 3.72%/yr for LTTIX. Their correlation of 0.93 suggests significant overlap in exposure. PDDDX charges 0.76%/yr vs 0.00%/yr for LTTIX.

Performance

PDDDX vs. LTTIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Prudential Day One 2020 Fund (PDDDX) and MFS Lifetime 2025 Fund (LTTIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PDDDX achieves a 4.90% return, which is significantly higher than LTTIX's 2.74% return.

PDDDX

• 1D: -0.27%
• 1M: -0.09%
• YTD: 4.90%
• 6M: 4.61%
• 1Y: 10.95%
• 3Y*: 12.16%
• 5Y*: 10.67%
• 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)

PDDDX vs. LTTIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PDDDX Prudential Day One 2020 Fund	4.90%	10.40%	15.97%	9.52%	-12.63%	36.80%	8.13%	14.99%	-4.65%	10.17%
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 PDDDX and LTTIX is 0.91, 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	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (All Time) Calculated using the full available price history since Jan 3, 2017	0.93

The correlation between PDDDX and LTTIX has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.

Return for Risk

PDDDX vs. LTTIX — Risk / Return Rank

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

PDDDX

PDDDX Risk / Return Rank: 69
PDDDX Sharpe Ratio Rank: 67
PDDDX Sortino Ratio Rank: 69
PDDDX Omega Ratio Rank: 69
PDDDX Calmar Ratio Rank: 64
PDDDX Martin Ratio Rank: 76

LTTIX

LTTIX Risk / Return Rank: 61
LTTIX Sharpe Ratio Rank: 64
LTTIX Sortino Ratio Rank: 71
LTTIX Omega Ratio Rank: 69
LTTIX Calmar Ratio Rank: 46
LTTIX Martin Ratio Rank: 56

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.

PDDDX vs. LTTIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Prudential Day One 2020 Fund (PDDDX) 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.

	PDDDX	LTTIX	Difference
Sharpe ratio: Return per unit of total volatility	2.20	2.16	+0.05
Sortino ratio: Return per unit of downside risk	3.15	3.20	-0.04
Omega ratio: Gain probability vs. loss probability	1.42	1.42	0.00
Calmar ratio: Return relative to maximum drawdown	2.93	2.47	+0.46
Martin ratio: Return relative to average drawdown	13.36	10.68	+2.67

PDDDX vs. LTTIX - Sharpe Ratio Comparison

The current PDDDX Sharpe Ratio is 2.20, which is comparable to the LTTIX Sharpe Ratio of 2.16. The chart below compares the historical Sharpe Ratios of PDDDX 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.

Drawdowns

PDDDX vs. LTTIX - Drawdown Comparison

The maximum PDDDX drawdown since its inception was -18.88%, roughly equal to the maximum LTTIX drawdown of -19.33%. Use the drawdown chart below to compare losses from any high point for PDDDX and LTTIX.

Drawdown Indicators

	PDDDX	LTTIX	Difference
Max Drawdown Largest peak-to-trough decline	-18.88%	-19.33%	+0.45%
Max Drawdown (1Y) Largest decline over 1 year	-3.90%	-3.64%	-0.26%
Max Drawdown (3Y) Largest decline over 3 years	-6.09%	-5.77%	-0.32%
Max Drawdown (5Y) Largest decline over 5 years	-16.64%	-16.92%	+0.28%
Max Drawdown (10Y) Largest decline over 10 years	—	-19.33%	—
Current Drawdown Current decline from peak	-0.82%	-0.45%	-0.37%
Average Drawdown Average peak-to-trough decline	-2.99%	-2.68%	-0.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.85%	0.84%	+0.01%

Volatility

PDDDX vs. LTTIX - Volatility Comparison

Prudential Day One 2020 Fund (PDDDX) has a higher volatility of 1.99% compared to MFS Lifetime 2025 Fund (LTTIX) at 1.34%. This indicates that PDDDX'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.

Volatility by Period

	PDDDX	LTTIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.99%	1.34%	+0.65%
Volatility (6M) Calculated over the trailing 6-month period	4.26%	3.32%	+0.94%
Volatility (1Y) Calculated over the trailing 1-year period	5.20%	4.18%	+1.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.77%	6.37%	+7.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.36%	7.24%	+4.12%

PDDDX vs. LTTIX - Expense Ratio Comparison

PDDDX has a 0.76% expense ratio, which is higher than LTTIX's 0.00% expense ratio.

Dividends

PDDDX vs. LTTIX - Dividend Comparison

PDDDX's dividend yield for the trailing twelve months is around 3.86%, 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%
PDDDX Prudential Day One 2020 Fund	3.86%	4.05%	19.73%	3.22%	8.41%	28.05%	1.91%	3.76%	3.05%	0.86%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PDDDX and LTTIX in my portfolio?

With a correlation of 0.91, PDDDX and LTTIX 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, PDDDX or LTTIX?

PDDDX has higher volatility (1.99%) compared to LTTIX (1.34%). In terms of maximum drawdown, PDDDX dropped -18.88% vs LTTIX's -19.33%.

Which has better risk-adjusted returns?

PDDDX currently has the higher Sharpe Ratio (2.20 vs 2.16), 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.