TRIKX vs. ISOLX

Last updated Aug 1, 2026

TRIKX (T. Rowe Price Retirement 2045 Fund Class I) and ISOLX (Voya Target In-Retirement Fund) are both Target Retirement Date funds. Over the past year, TRIKX returned 21.76% vs 9.44% for ISOLX. Their correlation of 0.83 means they have usually moved in the same direction. TRIKX charges 0.43%/yr vs 0.20%/yr for ISOLX.

Performance

TRIKX vs. ISOLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Retirement 2045 Fund Class I (TRIKX) and Voya Target In-Retirement Fund (ISOLX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TRIKX achieves a 10.59% return, which is significantly higher than ISOLX's 3.96% return.

TRIKX

• 1D: 1.70%
• 1M: -0.07%
• 6M: 6.80%
• YTD: 10.59%
• 1Y: 21.76%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 19.10%

ISOLX

• 1D: 0.77%
• 1M: -0.67%
• 6M: 2.34%
• YTD: 3.96%
• 1Y: 9.44%
• 3Y*: 8.84%
• 5Y*: 3.63%
• 10Y*: 5.33%
• ALL TIME*: 5.34%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
ISOLX Voya Target In-Retirement Fund	$0.00	$0.00	$0.00
TRIKX T. Rowe Price Retirement 2045 Fund Class I	$0.00	$0.00	$0.00

TRIKX vs. ISOLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
TRIKX T. Rowe Price Retirement 2045 Fund Class I	10.59%	18.71%	14.23%	7.04%
ISOLX Voya Target In-Retirement Fund	3.96%	11.96%	7.03%	7.01%

Correlation

The correlation between TRIKX and ISOLX is 0.84, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.84
Correlation (All Time) Calculated using the full available price history since Nov 14, 2023	0.83

The correlation between TRIKX and ISOLX has been stable across timeframes, ranging from 0.83 to 0.84 - a consistent structural relationship.

Return for Risk

TRIKX vs. ISOLX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

TRIKX

TRIKX Risk / Return Rank: 62
TRIKX Sharpe Ratio Rank: 62
TRIKX Sortino Ratio Rank: 60
TRIKX Omega Ratio Rank: 61
TRIKX Calmar Ratio Rank: 58
TRIKX Martin Ratio Rank: 70

ISOLX

ISOLX Risk / Return Rank: 70
ISOLX Sharpe Ratio Rank: 69
ISOLX Sortino Ratio Rank: 73
ISOLX Omega Ratio Rank: 69
ISOLX Calmar Ratio Rank: 65
ISOLX Martin Ratio Rank: 75

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

TRIKX vs. ISOLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Retirement 2045 Fund Class I (TRIKX) and Voya Target In-Retirement Fund (ISOLX). 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.

	TRIKX	ISOLX	Difference
Sharpe ratio: Return per unit of total volatility	1.58	1.68	-0.10
Sortino ratio: Return per unit of downside risk	2.22	2.54	-0.32
Omega ratio: Gain probability vs. loss probability	1.29	1.32	-0.03
Calmar ratio: Return relative to maximum drawdown	2.09	2.25	-0.16
Martin ratio: Return relative to average drawdown	9.00	9.47	-0.47

TRIKX vs. ISOLX - Sharpe Ratio Comparison

The current TRIKX Sharpe Ratio is 1.58, which is comparable to the ISOLX Sharpe Ratio of 1.68. The chart below compares the historical Sharpe Ratios of TRIKX and ISOLX, 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

TRIKX vs. ISOLX - Drawdown Comparison

The maximum TRIKX drawdown since its inception was -15.16%, smaller than the maximum ISOLX drawdown of -19.02%. Use the drawdown chart below to compare losses from any high point for TRIKX and ISOLX.

Drawdown Indicators

	TRIKX	ISOLX	Difference
Max Drawdown Largest peak-to-trough decline	-15.16%	-19.02%	+3.86%
Max Drawdown (1Y) Largest decline over 1 year	-9.52%	-4.54%	-4.98%
Max Drawdown (3Y) Largest decline over 3 years	—	-5.83%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-19.02%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-19.02%	—
Current Drawdown Current decline from peak	-0.95%	-1.26%	+0.31%
Average Drawdown Average peak-to-trough decline	-1.52%	-2.80%	+1.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.21%	1.04%	+1.17%

Volatility

TRIKX vs. ISOLX - Volatility Comparison

T. Rowe Price Retirement 2045 Fund Class I (TRIKX) has a higher volatility of 3.38% compared to Voya Target In-Retirement Fund (ISOLX) at 1.75%. This indicates that TRIKX's price experiences larger fluctuations and is considered to be riskier than ISOLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TRIKX	ISOLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.38%	1.75%	+1.63%
Volatility (6M) Calculated over the trailing 6-month period	10.52%	4.99%	+5.53%
Volatility (1Y) Calculated over the trailing 1-year period	12.63%	6.08%	+6.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.51%	7.12%	+6.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.51%	6.60%	+6.91%

TRIKX vs. ISOLX - Expense Ratio Comparison

TRIKX has a 0.43% expense ratio, which is higher than ISOLX's 0.20% expense ratio.

Dividends

TRIKX vs. ISOLX - Dividend Comparison

TRIKX's dividend yield for the trailing twelve months is around 3.58%, less than ISOLX's 3.74% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ISOLX Voya Target In-Retirement Fund	3.74%	3.89%	2.37%	3.10%	3.50%	10.09%	3.54%	6.63%	3.53%	4.60%	2.06%	0.30%
TRIKX T. Rowe Price Retirement 2045 Fund Class I	3.58%	3.95%	2.21%	4.42%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TRIKX and ISOLX in my portfolio?

TRIKX and ISOLX have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TRIKX or ISOLX?

TRIKX has higher volatility (3.38%) compared to ISOLX (1.75%). In terms of maximum drawdown, TRIKX dropped -15.16% vs ISOLX's -19.02%.

Which has better risk-adjusted returns?

ISOLX currently has the higher Sharpe Ratio (1.68 vs 1.58), 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.