TBUX vs. OPER
Compare and contrast key facts about T. Rowe Price Ultra Short-Term Bond ETF (TBUX) and ClearShares Ultra-Short Maturity ETF (OPER).
TBUX and OPER are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. TBUX is an actively managed fund by T. Rowe Price. It was launched on Sep 28, 2021. OPER is a passively managed fund by ClearShares that tracks the performance of the ICE BofA U.S. Broad Market Index. It was launched on Jul 10, 2018.
Performance
TBUX vs. OPER - Performance Comparison
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TBUX vs. OPER - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
TBUX T. Rowe Price Ultra Short-Term Bond ETF | 0.83% | 5.37% | 6.38% | 6.39% | -0.13% | -0.22% |
OPER ClearShares Ultra-Short Maturity ETF | 0.90% | 4.37% | 5.34% | 5.09% | 1.76% | 0.08% |
Returns By Period
In the year-to-date period, TBUX achieves a 0.83% return, which is significantly lower than OPER's 0.90% return.
TBUX
- 1D
- 0.06%
- 1M
- 0.15%
- YTD
- 0.83%
- 6M
- 2.08%
- 1Y
- 4.87%
- 3Y*
- 5.87%
- 5Y*
- —
- 10Y*
- —
OPER
- 1D
- 0.01%
- 1M
- 0.31%
- YTD
- 0.90%
- 6M
- 1.96%
- 1Y
- 4.09%
- 3Y*
- 4.88%
- 5Y*
- 3.54%
- 10Y*
- —
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TBUX vs. OPER - Expense Ratio Comparison
TBUX has a 0.17% expense ratio, which is lower than OPER's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
TBUX vs. OPER — Risk / Return Rank
TBUX
OPER
TBUX vs. OPER - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Ultra Short-Term Bond ETF (TBUX) and ClearShares Ultra-Short Maturity ETF (OPER). 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.
| TBUX | OPER | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 5.83 | 15.57 | -9.74 |
Sortino ratioReturn per unit of downside risk | 10.05 | 42.62 | -32.57 |
Omega ratioGain probability vs. loss probability | 2.64 | 13.98 | -11.34 |
Calmar ratioReturn relative to maximum drawdown | 14.68 | 46.97 | -32.29 |
Martin ratioReturn relative to average drawdown | 99.53 | 387.77 | -288.25 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| TBUX | OPER | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 5.83 | 15.57 | -9.74 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 11.24 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 3.82 | 2.24 | +1.58 |
Correlation
The correlation between TBUX and OPER is 0.14, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
TBUX vs. OPER - Dividend Comparison
TBUX's dividend yield for the trailing twelve months is around 4.55%, more than OPER's 4.15% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
TBUX T. Rowe Price Ultra Short-Term Bond ETF | 4.55% | 4.67% | 5.39% | 4.66% | 2.58% | 0.27% | 0.00% | 0.00% | 0.00% |
OPER ClearShares Ultra-Short Maturity ETF | 4.15% | 4.32% | 5.21% | 5.03% | 1.71% | 0.36% | 0.64% | 2.08% | 0.89% |
Drawdowns
TBUX vs. OPER - Drawdown Comparison
The maximum TBUX drawdown since its inception was -1.79%, smaller than the maximum OPER drawdown of -2.33%. Use the drawdown chart below to compare losses from any high point for TBUX and OPER.
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Drawdown Indicators
| TBUX | OPER | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -1.79% | -2.33% | +0.54% |
Max Drawdown (1Y)Largest decline over 1 year | -0.33% | -0.02% | -0.31% |
Max Drawdown (5Y)Largest decline over 5 years | — | -0.13% | — |
Current DrawdownCurrent decline from peak | 0.00% | 0.00% | 0.00% |
Average DrawdownAverage peak-to-trough decline | -0.29% | -0.16% | -0.13% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.05% | 0.01% | +0.04% |
Volatility
TBUX vs. OPER - Volatility Comparison
T. Rowe Price Ultra Short-Term Bond ETF (TBUX) has a higher volatility of 0.25% compared to ClearShares Ultra-Short Maturity ETF (OPER) at 0.05%. This indicates that TBUX's price experiences larger fluctuations and is considered to be riskier than OPER based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TBUX | OPER | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.25% | 0.05% | +0.20% |
Volatility (6M)Calculated over the trailing 6-month period | 0.44% | 0.18% | +0.26% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.84% | 0.28% | +0.56% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.08% | 0.32% | +0.76% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.08% | 1.24% | -0.16% |