TTIHX vs. PLTHX

Last updated Jun 4, 2026

TTIHX (Nuveen Lifecycle Index 2055 Fund Class I) and PLTHX (Principal LifeTime Hybrid 2060 Fund) are both Target Retirement Date funds. Over the past 10 years, TTIHX returned 12.25%/yr vs 12.09%/yr for PLTHX. With a 0.98 correlation, they move nearly in lockstep. TTIHX charges 0.18%/yr vs 0.05%/yr for PLTHX.

Performance

TTIHX vs. PLTHX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nuveen Lifecycle Index 2055 Fund Class I (TTIHX) and Principal LifeTime Hybrid 2060 Fund (PLTHX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with TTIHX having a 12.23% return and PLTHX slightly lower at 11.70%. Both investments have delivered pretty close results over the past 10 years, with TTIHX having a 12.25% annualized return and PLTHX not far behind at 12.09%.

TTIHX

• 1D: 0.36%
• 1M: 5.46%
• YTD: 12.23%
• 6M: 12.98%
• 1Y: 28.06%
• 3Y*: 19.81%
• 5Y*: 10.61%
• 10Y*: 12.25%

PLTHX

• 1D: 0.51%
• 1M: 5.53%
• YTD: 11.70%
• 6M: 12.29%
• 1Y: 28.05%
• 3Y*: 19.98%
• 5Y*: 10.55%
• 10Y*: 12.09%

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

TTIHX vs. PLTHX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TTIHX Nuveen Lifecycle Index 2055 Fund Class I	12.23%	20.97%	15.27%	20.62%	-17.68%	17.31%	17.11%	26.16%	-7.15%	19.41%
PLTHX Principal LifeTime Hybrid 2060 Fund	11.70%	19.91%	17.18%	20.28%	-18.52%	20.05%	16.11%	26.46%	-9.93%	21.32%

Correlation

The correlation between TTIHX and PLTHX is 0.98 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (10Y) Calculated over the trailing 10-year period	0.98
Correlation (All Time) Calculated using the full available price history since Dec 9, 2015	0.98

The correlation between TTIHX and PLTHX has been stable across timeframes, ranging from 0.98 to 0.99 - a consistent structural relationship.

Return for Risk

TTIHX vs. PLTHX — Risk / Return Rank

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

TTIHX

TTIHX Risk / Return Rank: 70
TTIHX Sharpe Ratio Rank: 72
TTIHX Sortino Ratio Rank: 67
TTIHX Omega Ratio Rank: 66
TTIHX Calmar Ratio Rank: 69
TTIHX Martin Ratio Rank: 76

PLTHX

PLTHX Risk / Return Rank: 70
PLTHX Sharpe Ratio Rank: 68
PLTHX Sortino Ratio Rank: 63
PLTHX Omega Ratio Rank: 63
PLTHX Calmar Ratio Rank: 73
PLTHX Martin Ratio Rank: 82

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.

TTIHX vs. PLTHX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nuveen Lifecycle Index 2055 Fund Class I (TTIHX) and Principal LifeTime Hybrid 2060 Fund (PLTHX). 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.

	TTIHX	PLTHX	Difference
Sharpe ratio Return per unit of total volatility	2.48	2.41	+0.08
Sortino ratio Return per unit of downside risk	3.44	3.34	+0.10
Omega ratio Gain probability vs. loss probability	1.45	1.44	+0.01
Calmar ratio Return relative to maximum drawdown	3.22	3.34	-0.12
Martin ratio Return relative to average drawdown	14.34	15.30	-0.96
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TTIHX vs. PLTHX - Sharpe Ratio Comparison

The current TTIHX Sharpe Ratio is 2.48, which is comparable to the PLTHX Sharpe Ratio of 2.41. The chart below compares the historical Sharpe Ratios of TTIHX and PLTHX, 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

	TTIHX	PLTHX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.48	2.41	+0.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.73	0.68	+0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.78	0.76	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.75	0.69	+0.05

Drawdowns

TTIHX vs. PLTHX - Drawdown Comparison

The maximum TTIHX drawdown since its inception was -31.83%, roughly equal to the maximum PLTHX drawdown of -33.26%. Use the drawdown chart below to compare losses from any high point for TTIHX and PLTHX.

Drawdown Indicators

	TTIHX	PLTHX	Difference
Max Drawdown Largest peak-to-trough decline	-31.83%	-33.26%	+1.43%
Max Drawdown (1Y) Largest decline over 1 year	-8.91%	-8.60%	-0.31%
Max Drawdown (3Y) Largest decline over 3 years	-15.14%	-16.64%	+1.50%
Max Drawdown (5Y) Largest decline over 5 years	-25.56%	-25.49%	-0.07%
Max Drawdown (10Y) Largest decline over 10 years	-31.83%	-33.26%	+1.43%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-4.48%	-4.81%	+0.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.99%	1.87%	+0.12%

Volatility

TTIHX vs. PLTHX - Volatility Comparison

Nuveen Lifecycle Index 2055 Fund Class I (TTIHX) and Principal LifeTime Hybrid 2060 Fund (PLTHX) have volatilities of 3.42% and 3.42%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TTIHX	PLTHX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.42%	3.42%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	9.18%	9.46%	-0.28%
Volatility (1Y) Calculated over the trailing 1-year period	11.54%	11.93%	-0.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.65%	15.50%	-0.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.73%	15.97%	-0.24%

TTIHX vs. PLTHX - Expense Ratio Comparison

TTIHX has a 0.18% expense ratio, which is higher than PLTHX's 0.05% 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

TTIHX vs. PLTHX - Dividend Comparison

TTIHX's dividend yield for the trailing twelve months is around 2.49%, less than PLTHX's 3.91% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PLTHX Principal LifeTime Hybrid 2060 Fund	3.91%	4.37%	4.30%	2.76%	7.91%	3.84%	2.91%	3.67%	3.47%	2.37%	2.20%	1.65%
TTIHX Nuveen Lifecycle Index 2055 Fund Class I	2.49%	2.79%	2.10%	2.06%	2.21%	1.95%	1.62%	2.16%	2.59%	0.11%	2.35%	0.29%

Frequently Asked Questions

Can I hold both TTIHX and PLTHX in my portfolio?

With a correlation of 0.98, TTIHX and PLTHX 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, TTIHX or PLTHX?

PLTHX has higher volatility (3.42%) compared to TTIHX (3.42%). In terms of maximum drawdown, TTIHX dropped -31.83% vs PLTHX's -33.26%.

Which has better risk-adjusted returns?

TTIHX currently has the higher Sharpe Ratio (2.48 vs 2.41), 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.