PRGSX vs. TBUX

Last updated Jun 9, 2026

PRGSX (T. Rowe Price Global Stock Fund) and TBUX (T. Rowe Price Ultra Short-Term Bond ETF) are both funds - PRGSX is a Global Equities fund managed by T. Rowe Price, while TBUX is a Ultrashort Bond fund actively managed by T. Rowe Price. Over the past 3 years, PRGSX returned 21.75%/yr vs 5.85%/yr for TBUX. At a 0.10 correlation, their price movements are largely independent. PRGSX charges 0.82%/yr vs 0.17%/yr for TBUX.

Performance

PRGSX vs. TBUX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Global Stock Fund (PRGSX) and T. Rowe Price Ultra Short-Term Bond ETF (TBUX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PRGSX achieves a 16.26% return, which is significantly higher than TBUX's 1.69% return.

PRGSX

• 1D: -5.35%
• 1M: 0.01%
• YTD: 16.26%
• 6M: 16.21%
• 1Y: 34.05%
• 3Y*: 21.75%
• 5Y*: 8.62%
• 10Y*: 16.13%

TBUX

• 1D: 0.06%
• 1M: 0.29%
• YTD: 1.69%
• 6M: 2.08%
• 1Y: 4.88%
• 3Y*: 5.85%
• 5Y*: —
• 10Y*: —

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

PRGSX vs. TBUX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
PRGSX T. Rowe Price Global Stock Fund	16.26%	21.42%	16.80%	25.70%	-28.01%	0.43%
TBUX T. Rowe Price Ultra Short-Term Bond ETF	1.69%	5.37%	6.38%	6.39%	-0.13%	-0.22%

Correlation

The correlation between PRGSX and TBUX is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.17
Correlation (3Y) Calculated over the trailing 3-year period	0.08
Correlation (All Time) Calculated using the full available price history since Sep 30, 2021	0.10

Return for Risk

PRGSX vs. TBUX — Risk / Return Rank

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

PRGSX

PRGSX Risk / Return Rank: 48
PRGSX Sharpe Ratio Rank: 45
PRGSX Sortino Ratio Rank: 38
PRGSX Omega Ratio Rank: 43
PRGSX Calmar Ratio Rank: 57
PRGSX Martin Ratio Rank: 59

TBUX

TBUX Risk / Return Rank: 99
TBUX Sharpe Ratio Rank: 99
TBUX Sortino Ratio Rank: 99
TBUX Omega Ratio Rank: 99
TBUX Calmar Ratio Rank: 99
TBUX Martin Ratio Rank: 99

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.

PRGSX vs. TBUX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Global Stock Fund (PRGSX) and T. Rowe Price Ultra Short-Term Bond ETF (TBUX). 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.

	PRGSX	TBUX	Difference
Sharpe ratio: Return per unit of total volatility	1.88	7.27	-5.39
Sortino ratio: Return per unit of downside risk	2.46	14.70	-12.24
Omega ratio: Gain probability vs. loss probability	1.34	3.15	-1.81
Calmar ratio: Return relative to maximum drawdown	2.77	48.80	-46.03
Martin ratio: Return relative to average drawdown	11.24	185.24	-174.00
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PRGSX vs. TBUX - Sharpe Ratio Comparison

The current PRGSX Sharpe Ratio is 1.88, which is lower than the TBUX Sharpe Ratio of 7.27. The chart below compares the historical Sharpe Ratios of PRGSX and TBUX, 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

	PRGSX	TBUX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.88	7.27	-5.39
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.44	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.82	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.52	3.88	-3.37

Drawdowns

PRGSX vs. TBUX - Drawdown Comparison

The maximum PRGSX drawdown since its inception was -64.06%, which is greater than TBUX's maximum drawdown of -1.79%. Use the drawdown chart below to compare losses from any high point for PRGSX and TBUX.

Drawdown Indicators

	PRGSX	TBUX	Difference
Max Drawdown Largest peak-to-trough decline	-64.06%	-1.79%	-62.27%
Max Drawdown (1Y) Largest decline over 1 year	-12.77%	-0.10%	-12.67%
Max Drawdown (3Y) Largest decline over 3 years	-21.13%	-0.33%	-20.80%
Max Drawdown (5Y) Largest decline over 5 years	-38.11%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-38.11%	—	—
Current Drawdown Current decline from peak	-6.08%	-0.04%	-6.04%
Average Drawdown Average peak-to-trough decline	-13.48%	-0.28%	-13.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.14%	0.03%	+3.11%

Volatility

PRGSX vs. TBUX - Volatility Comparison

T. Rowe Price Global Stock Fund (PRGSX) has a higher volatility of 7.75% compared to T. Rowe Price Ultra Short-Term Bond ETF (TBUX) at 0.22%. This indicates that PRGSX's price experiences larger fluctuations and is considered to be riskier than TBUX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PRGSX	TBUX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.75%	0.22%	+7.53%
Volatility (6M) Calculated over the trailing 6-month period	15.88%	0.46%	+15.42%
Volatility (1Y) Calculated over the trailing 1-year period	18.76%	0.67%	+18.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.80%	1.07%	+18.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.84%	1.07%	+18.77%

PRGSX vs. TBUX - Expense Ratio Comparison

PRGSX has a 0.82% expense ratio, which is higher than TBUX's 0.17% expense ratio.

Dividends

PRGSX vs. TBUX - Dividend Comparison

PRGSX's dividend yield for the trailing twelve months is around 8.26%, more than TBUX's 4.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PRGSX T. Rowe Price Global Stock Fund	8.26%	9.60%	6.73%	0.27%	0.00%	13.67%	5.67%	2.21%	5.81%	0.03%	0.63%	0.33%
TBUX T. Rowe Price Ultra Short-Term Bond ETF	4.48%	4.67%	5.39%	4.66%	2.58%	0.27%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PRGSX and TBUX in my portfolio?

PRGSX and TBUX have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PRGSX or TBUX?

PRGSX has higher volatility (7.75%) compared to TBUX (0.22%). In terms of maximum drawdown, PRGSX dropped -64.06% vs TBUX's -1.79%.

Which has better risk-adjusted returns?

TBUX currently has the higher Sharpe Ratio (7.27 vs 1.88), 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.