RSDIX vs. RUSIX

Last updated Jun 5, 2026

RSDIX (RBC Short Duration Fixed Income Fund) and RUSIX (RBC Ultra-Short Fixed Income Fund) are both mutual funds - RSDIX is a Short-Term Bond fund managed by RBC Global Asset Management., while RUSIX is a Ultrashort Bond fund managed by RBC Global Asset Management.. Over the past 10 years, RSDIX returned 2.16%/yr vs 3.01%/yr for RUSIX. A 0.56 correlation means they provide meaningful diversification when combined. RSDIX charges 0.78%/yr vs 0.48%/yr for RUSIX.

Performance

RSDIX vs. RUSIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RBC Short Duration Fixed Income Fund (RSDIX) 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, RSDIX achieves a -2.27% return, which is significantly lower than RUSIX's 1.33% return. Over the past 10 years, RSDIX has underperformed RUSIX with an annualized return of 2.16%, while RUSIX has yielded a comparatively higher 3.01% annualized return.

RSDIX

• 1D: 0.00%
• 1M: 0.17%
• YTD: -2.27%
• 6M: -1.88%
• 1Y: 0.08%
• 3Y*: 3.74%
• 5Y*: 1.70%
• 10Y*: 2.16%

RUSIX

• 1D: 0.00%
• 1M: 0.26%
• YTD: 1.33%
• 6M: 1.80%
• 1Y: 3.92%
• 3Y*: 6.11%
• 5Y*: 3.76%
• 10Y*: 3.01%

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

RSDIX vs. RUSIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RSDIX RBC Short Duration Fixed Income Fund	-2.27%	4.86%	5.13%	5.52%	-4.00%	-0.06%	3.58%	5.47%	1.02%	2.13%
RUSIX RBC Ultra-Short Fixed Income Fund	1.33%	4.53%	6.78%	8.13%	-1.43%	0.10%	2.58%	4.18%	1.60%	1.85%

Correlation

The correlation between RSDIX and RUSIX is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.48
Correlation (3Y) Calculated over the trailing 3-year period	0.55
Correlation (5Y) Calculated over the trailing 5-year period	0.60
Correlation (10Y) Calculated over the trailing 10-year period	0.58
Correlation (All Time) Calculated using the full available price history since Jan 3, 2014	0.56

The correlation between RSDIX and RUSIX shifts across timeframes, from 0.48 (1 year) to 0.60 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

RSDIX vs. RUSIX — Risk / Return Rank

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

RSDIX

RSDIX Risk / Return Rank: 3
RSDIX Sharpe Ratio Rank: 3
RSDIX Sortino Ratio Rank: 3
RSDIX Omega Ratio Rank: 3
RSDIX Calmar Ratio Rank: 3
RSDIX Martin Ratio Rank: 3

RUSIX

RUSIX Risk / Return Rank: 96
RUSIX Sharpe Ratio Rank: 84
RUSIX Sortino Ratio Rank: 98
RUSIX Omega Ratio Rank: 99
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.

RSDIX vs. RUSIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RBC Short Duration Fixed Income Fund (RSDIX) 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.

	RSDIX	RUSIX	Difference
Sharpe ratio: Return per unit of total volatility	0.07	2.73	-2.66
Sortino ratio: Return per unit of downside risk	0.11	6.49	-6.39
Omega ratio: Gain probability vs. loss probability	1.02	2.61	-1.60
Calmar ratio: Return relative to maximum drawdown	0.06	9.97	-9.91
Martin ratio: Return relative to average drawdown	0.12	33.77	-33.65
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RSDIX vs. RUSIX - Sharpe Ratio Comparison

The current RSDIX Sharpe Ratio is 0.07, which is lower than the RUSIX Sharpe Ratio of 2.73. The chart below compares the historical Sharpe Ratios of RSDIX 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.

Sharpe Ratios by Period

	RSDIX	RUSIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.07	2.73	-2.66
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.76	2.47	-1.71
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.07	2.06	-0.99
Sharpe Ratio (All Time) Calculated using the full available price history	1.09	1.91	-0.82

Drawdowns

RSDIX vs. RUSIX - Drawdown Comparison

The maximum RSDIX drawdown since its inception was -6.66%, which is greater than RUSIX's maximum drawdown of -5.60%. Use the drawdown chart below to compare losses from any high point for RSDIX and RUSIX.

Drawdown Indicators

	RSDIX	RUSIX	Difference
Max Drawdown Largest peak-to-trough decline	-6.66%	-5.60%	-1.06%
Max Drawdown (1Y) Largest decline over 1 year	-3.11%	-0.40%	-2.71%
Max Drawdown (3Y) Largest decline over 3 years	-3.11%	-0.40%	-2.71%
Max Drawdown (5Y) Largest decline over 5 years	-6.40%	-3.83%	-2.57%
Max Drawdown (10Y) Largest decline over 10 years	-6.66%	-5.60%	-1.06%
Current Drawdown Current decline from peak	-2.37%	-0.10%	-2.27%
Average Drawdown Average peak-to-trough decline	-0.79%	-0.34%	-0.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.48%	0.12%	+1.36%

Volatility

RSDIX vs. RUSIX - Volatility Comparison

RBC Short Duration Fixed Income Fund (RSDIX) has a higher volatility of 0.65% compared to RBC Ultra-Short Fixed Income Fund (RUSIX) at 0.40%. This indicates that RSDIX's price experiences larger fluctuations and is considered to be riskier than RUSIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RSDIX	RUSIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.65%	0.40%	+0.25%
Volatility (6M) Calculated over the trailing 6-month period	1.94%	0.97%	+0.97%
Volatility (1Y) Calculated over the trailing 1-year period	2.66%	1.45%	+1.21%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.26%	1.53%	+0.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.03%	1.47%	+0.56%

RSDIX vs. RUSIX - Expense Ratio Comparison

RSDIX has a 0.78% expense ratio, which is higher than RUSIX's 0.48% expense ratio.

Dividends

RSDIX vs. RUSIX - Dividend Comparison

RSDIX's dividend yield for the trailing twelve months is around 4.04%, less than RUSIX's 4.25% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RSDIX RBC Short Duration Fixed Income Fund	4.04%	4.75%	4.16%	2.71%	1.92%	2.24%	2.01%	2.68%	2.44%	2.01%	1.80%	1.77%
RUSIX RBC Ultra-Short Fixed Income Fund	4.25%	4.33%	4.61%	4.64%	2.37%	0.91%	1.82%	2.76%	2.41%	1.83%	1.57%	1.42%

Frequently Asked Questions

Can I hold both RSDIX and RUSIX in my portfolio?

RSDIX and RUSIX have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RSDIX or RUSIX?

RSDIX has higher volatility (0.65%) compared to RUSIX (0.40%). In terms of maximum drawdown, RSDIX dropped -6.66% vs RUSIX's -5.60%.

Which has better risk-adjusted returns?

RUSIX currently has the higher Sharpe Ratio (2.73 vs 0.07), 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.