TRSTX vs. RUSIX

Last updated Jun 23, 2026

TRSTX (T. Rowe Price Ultra Short-Term Bond Fund Class I) and RUSIX (RBC Ultra-Short Fixed Income Fund) are both Ultrashort Bond funds. Over the past 5 years, TRSTX returned 3.59%/yr vs 3.76%/yr for RUSIX. At a 0.41 correlation, their price movements are largely independent. TRSTX charges 0.20%/yr vs 0.48%/yr for RUSIX.

Performance

TRSTX vs. RUSIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Ultra Short-Term Bond Fund Class I (TRSTX) and RBC Ultra-Short Fixed Income Fund (RUSIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TRSTX achieves a 1.64% return, which is significantly higher than RUSIX's 1.22% return.

TRSTX

• 1D: 0.00%
• 1M: 0.37%
• YTD: 1.64%
• 6M: 2.04%
• 1Y: 4.70%
• 3Y*: 5.74%
• 5Y*: 3.59%
• 10Y*: —

RUSIX

• 1D: 0.00%
• 1M: 0.26%
• YTD: 1.22%
• 6M: 1.60%
• 1Y: 3.82%
• 3Y*: 6.00%
• 5Y*: 3.76%
• 10Y*: 3.00%

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

TRSTX vs. RUSIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
TRSTX T. Rowe Price Ultra Short-Term Bond Fund Class I	1.64%	5.34%	6.41%	5.89%	-1.20%	0.29%	3.19%	3.65%	1.60%
RUSIX RBC Ultra-Short Fixed Income Fund	1.22%	4.53%	6.78%	8.13%	-1.43%	0.10%	2.58%	4.18%	1.60%

Correlation

The correlation between TRSTX and RUSIX is 0.18, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.18
Correlation (3Y) Calculated over the trailing 3-year period	0.42
Correlation (5Y) Calculated over the trailing 5-year period	0.40
Correlation (All Time) Calculated using the full available price history since Apr 30, 2018	0.41

Over the past year, the correlation between TRSTX and RUSIX has dropped to 0.18 - well below their long-term average of 0.41, suggesting their price drivers have been diverging.

Return for Risk

TRSTX vs. RUSIX — Risk / Return Rank

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

TRSTX

TRSTX Risk / Return Rank: 99
TRSTX Sharpe Ratio Rank: 96
TRSTX Sortino Ratio Rank: 99
TRSTX Omega Ratio Rank: 100
TRSTX Calmar Ratio Rank: 100
TRSTX Martin Ratio Rank: 99

RUSIX

RUSIX Risk / Return Rank: 96
RUSIX Sharpe Ratio Rank: 87
RUSIX Sortino Ratio Rank: 98
RUSIX Omega Ratio Rank: 98
RUSIX Calmar Ratio Rank: 99
RUSIX Martin Ratio Rank: 98

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.

TRSTX vs. RUSIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Ultra Short-Term Bond Fund Class I (TRSTX) and RBC Ultra-Short Fixed Income Fund (RUSIX). 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.

	TRSTX	RUSIX	Difference
Sharpe ratio: Return per unit of total volatility	3.15	2.64	+0.51
Sortino ratio: Return per unit of downside risk	9.73	6.15	+3.58
Omega ratio: Gain probability vs. loss probability	4.91	2.45	+2.46
Calmar ratio: Return relative to maximum drawdown	24.71	9.70	+15.00
Martin ratio: Return relative to average drawdown	55.77	31.57	+24.20

TRSTX vs. RUSIX - Sharpe Ratio Comparison

The current TRSTX Sharpe Ratio is 3.15, which is comparable to the RUSIX Sharpe Ratio of 2.64. The chart below compares the historical Sharpe Ratios of TRSTX and RUSIX, 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

TRSTX vs. RUSIX - Drawdown Comparison

The maximum TRSTX drawdown since its inception was -4.34%, smaller than the maximum RUSIX drawdown of -5.60%. Use the drawdown chart below to compare losses from any high point for TRSTX and RUSIX.

Drawdown Indicators

	TRSTX	RUSIX	Difference
Max Drawdown Largest peak-to-trough decline	-4.34%	-5.60%	+1.26%
Max Drawdown (1Y) Largest decline over 1 year	-0.20%	-0.40%	+0.20%
Max Drawdown (3Y) Largest decline over 3 years	-0.59%	-0.40%	-0.19%
Max Drawdown (5Y) Largest decline over 5 years	-2.58%	-3.83%	+1.25%
Max Drawdown (10Y) Largest decline over 10 years	—	-5.60%	—
Current Drawdown Current decline from peak	0.00%	-0.20%	+0.20%
Average Drawdown Average peak-to-trough decline	-0.30%	-0.34%	+0.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.09%	0.12%	-0.03%

Volatility

TRSTX vs. RUSIX - Volatility Comparison

The current volatility for T. Rowe Price Ultra Short-Term Bond Fund Class I (TRSTX) is 0.37%, while RBC Ultra-Short Fixed Income Fund (RUSIX) has a volatility of 0.43%. This indicates that TRSTX experiences smaller price fluctuations and is considered to be less risky than RUSIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TRSTX	RUSIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.37%	0.43%	-0.06%
Volatility (6M) Calculated over the trailing 6-month period	1.14%	0.99%	+0.15%
Volatility (1Y) Calculated over the trailing 1-year period	1.54%	1.46%	+0.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.65%	1.53%	+0.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.62%	1.47%	+0.15%

TRSTX vs. RUSIX - Expense Ratio Comparison

TRSTX has a 0.20% expense ratio, which is lower than RUSIX's 0.48% expense ratio.

Dividends

TRSTX vs. RUSIX - Dividend Comparison

TRSTX's dividend yield for the trailing twelve months is around 4.59%, more than RUSIX's 4.26% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RUSIX RBC Ultra-Short Fixed Income Fund	4.26%	4.33%	4.61%	4.64%	2.37%	0.91%	1.82%	2.76%	2.41%	1.83%	1.57%	1.42%
TRSTX T. Rowe Price Ultra Short-Term Bond Fund Class I	4.59%	4.79%	5.19%	3.46%	1.61%	1.28%	1.94%	2.78%	1.98%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TRSTX and RUSIX in my portfolio?

TRSTX and RUSIX have a correlation of 0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TRSTX or RUSIX?

RUSIX has higher volatility (0.43%) compared to TRSTX (0.37%). In terms of maximum drawdown, TRSTX dropped -4.34% vs RUSIX's -5.60%.

Which has better risk-adjusted returns?

TRSTX currently has the higher Sharpe Ratio (3.15 vs 2.64), 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.