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YAFFX vs. TBUX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

YAFFX vs. TBUX

Last updated Jun 13, 2026

YAFFX (AMG Yacktman Focused Fund) and TBUX (T. Rowe Price Ultra Short-Term Bond ETF) are both funds - YAFFX is a Large Cap Value Equities fund managed by AMG, while TBUX is a Ultrashort Bond fund actively managed by T. Rowe Price. Over the past 3 years, YAFFX returned 16.12%/yr vs 5.89%/yr for TBUX. At a 0.10 correlation, their price movements are largely independent. YAFFX charges 1.25%/yr vs 0.17%/yr for TBUX.

Performance

YAFFX vs. TBUX - Performance Comparison

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

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Returns By Period

In the year-to-date period, YAFFX achieves a 25.77% return, which is significantly higher than TBUX's 1.83% return.

YAFFX

1D
2.63%
1M
0.37%
YTD
25.77%
6M
8.10%
1Y
20.56%
3Y*
16.12%
5Y*
9.34%
10Y*
12.50%

TBUX

1D
0.00%
1M
0.39%
YTD
1.83%
6M
2.14%
1Y
4.81%
3Y*
5.89%
5Y*
—
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

YAFFX vs. TBUX - Yearly Performance Comparison

2026 (YTD)20252024202320222021
YAFFX
AMG Yacktman Focused Fund		25.77%3.89%9.30%16.53%-8.20%3.91%
TBUX
T. Rowe Price Ultra Short-Term Bond ETF		1.83%5.37%6.38%6.39%-0.13%-0.25%

Correlation

The correlation between YAFFX and TBUX is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.09

Correlation (3Y)
Calculated over the trailing 3-year period

0.09

Correlation (All Time)
Calculated using the full available price history since Sep 29, 2021

0.10

Compare stocks, funds, or ETFs

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AMG Yacktman Focused Fund

T. Rowe Price Ultra Short-Term Bond ETF

Often compared with YAFFX:
YAFFX vs. IVEYAFFX vs. AKREXYAFFX vs. BACAXYAFFX vs. CZAYAFFX vs. DSEEXYAFFX vs. VIGYAFFX vs. VTV
Often compared with TBUX:
TBUX vs. USTBTBUX vs. PULSTBUX vs. CSHITBUX vs. BINCTBUX vs. NEARTBUX vs. PAAATBUX vs. TRBFX

Return for Risk

YAFFX vs. TBUX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
YAFFX
YAFFX Risk / Return Rank: 2222
Overall Rank
YAFFX Sharpe Ratio Rank: 1818
Sharpe Ratio Rank
YAFFX Sortino Ratio Rank: 1313
Sortino Ratio Rank
YAFFX Omega Ratio Rank: 3939
Omega Ratio Rank
YAFFX Calmar Ratio Rank: 2020
Calmar Ratio Rank
YAFFX Martin Ratio Rank: 2222
Martin Ratio Rank
TBUX
TBUX Risk / Return Rank: 9999
Overall Rank
TBUX Sharpe Ratio Rank: 9999
Sharpe Ratio Rank
TBUX Sortino Ratio Rank: 9999
Sortino Ratio Rank
TBUX Omega Ratio Rank: 9999
Omega Ratio Rank
TBUX Calmar Ratio Rank: 9999
Calmar Ratio Rank
TBUX Martin Ratio Rank: 9999
Martin Ratio Rank
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.

YAFFX vs. TBUX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AMG Yacktman Focused Fund (YAFFX) 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.

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.

YAFFXTBUXDifference
Sharpe ratioReturn per unit of total volatility
0.94
7.19

-6.24

Sortino ratioReturn per unit of downside risk
1.12
14.51

-13.39

Omega ratioGain probability vs. loss probability

1.26

3.12

-1.86

Calmar ratioReturn relative to maximum drawdown

1.26

48.17

-46.91

Martin ratioReturn relative to average drawdown

4.47

182.82

-178.36

YAFFX vs. TBUX - Sharpe Ratio Comparison

The current YAFFX Sharpe Ratio is 0.94, which is lower than the TBUX Sharpe Ratio of 7.19. The chart below compares the historical Sharpe Ratios of YAFFX 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.

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Drawdowns

YAFFX vs. TBUX - Drawdown Comparison

The maximum YAFFX drawdown since its inception was -43.80%, which is greater than TBUX's maximum drawdown of -1.82%. Use the drawdown chart below to compare losses from any high point for YAFFX and TBUX.

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Drawdown Indicators

YAFFXTBUXDifference

Max Drawdown

Largest peak-to-trough decline

-43.80%

-1.82%

-41.98%

Max Drawdown (1Y)

Largest decline over 1 year

-17.08%

-0.10%

-16.98%

Max Drawdown (3Y)

Largest decline over 3 years

-18.88%

-0.33%

-18.55%

Max Drawdown (5Y)

Largest decline over 5 years

-21.31%

—

—

Max Drawdown (10Y)

Largest decline over 10 years

-30.62%

—

—

Current Drawdown

Current decline from peak

-4.28%

0.00%

-4.28%

Average Drawdown

Average peak-to-trough decline

-6.21%

-0.28%

-5.93%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.77%

0.03%

+4.74%

Volatility

YAFFX vs. TBUX - Volatility Comparison

AMG Yacktman Focused Fund (YAFFX) has a higher volatility of 7.30% compared to T. Rowe Price Ultra Short-Term Bond ETF (TBUX) at 0.22%. This indicates that YAFFX'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.

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Volatility by Period

YAFFXTBUXDifference

Volatility (1M)

Calculated over the trailing 1-month period

7.30%

0.22%

+7.08%

Volatility (6M)

Calculated over the trailing 6-month period

22.77%

0.46%

+22.31%

Volatility (1Y)

Calculated over the trailing 1-year period

22.71%

0.67%

+22.04%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

18.22%

1.07%

+17.15%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

16.59%

1.07%

+15.52%

YAFFX vs. TBUX - Expense Ratio Comparison

YAFFX has a 1.25% expense ratio, which is higher than TBUX's 0.17% expense ratio.

Dividends

YAFFX vs. TBUX - Dividend Comparison

YAFFX has not paid dividends to shareholders, while TBUX's dividend yield for the trailing twelve months is around 4.48%.

PositionTTM20252024202320222021202020192018201720162015
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%
YAFFX
AMG Yacktman Focused Fund		0.00%0.00%18.44%4.42%7.60%4.70%11.87%15.84%22.15%11.82%11.81%24.36%

Frequently Asked Questions

YAFFX and TBUX have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

YAFFX has higher volatility (7.30%) compared to TBUX (0.22%). In terms of maximum drawdown, YAFFX dropped -43.80% vs TBUX's -1.82%.

TBUX currently has the higher Sharpe Ratio (7.19 vs 0.94), 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.

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