SOFR vs. TMB

Last updated Jun 4, 2026

SOFR (Amplify Samsung SOFR ETF) and TMB (Thornburg Multi Sector Bond ETF) are both Multisector Bonds funds. SOFR is passively managed, while TMB is actively managed. At a correlation of -0.26, they often move in opposite directions. SOFR charges 0.20%/yr vs 0.55%/yr for TMB.

Performance

SOFR vs. TMB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amplify Samsung SOFR ETF (SOFR) and Thornburg Multi Sector Bond ETF (TMB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

SOFR

• 1D: 0.00%
• 1M: 0.25%
• YTD: 1.45%
• 6M: 1.76%
• 1Y: 3.90%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TMB

• 1D: 0.10%
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SOFR vs. TMB - Yearly Performance Comparison

	2026 (YTD)
SOFR Amplify Samsung SOFR ETF	0.03%
TMB Thornburg Multi Sector Bond ETF	0.40%

Correlation

The correlation between SOFR and TMB is -0.26, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (All Time) Calculated using the full available price history since May 27, 2026	-0.26

Return for Risk

SOFR vs. TMB — Risk / Return Rank

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

SOFR

SOFR Risk / Return Rank: 97
SOFR Sharpe Ratio Rank: 97
SOFR Sortino Ratio Rank: 98
SOFR Omega Ratio Rank: 99
SOFR Calmar Ratio Rank: 96
SOFR Martin Ratio Rank: 96

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.

SOFR vs. TMB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amplify Samsung SOFR ETF (SOFR) and Thornburg Multi Sector Bond ETF (TMB). 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.

	SOFR	TMB	Difference
Sharpe ratio Return per unit of total volatility	4.66	—	—
Sortino ratio Return per unit of downside risk	6.86	—	—
Omega ratio Gain probability vs. loss probability	3.35	—	—
Calmar ratio Return relative to maximum drawdown	9.64	—	—
Martin ratio Return relative to average drawdown	39.82	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	SOFR	TMB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.66	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	4.96	15.15	-10.19

Drawdowns

SOFR vs. TMB - Drawdown Comparison

The maximum SOFR drawdown since its inception was -0.41%, which is greater than TMB's maximum drawdown of -0.10%. Use the drawdown chart below to compare losses from any high point for SOFR and TMB.

Drawdown Indicators

	SOFR	TMB	Difference
Max Drawdown Largest peak-to-trough decline	-0.41%	-0.10%	-0.31%
Max Drawdown (1Y) Largest decline over 1 year	-0.41%	—	—
Current Drawdown Current decline from peak	-0.14%	-0.00%	-0.14%
Average Drawdown Average peak-to-trough decline	-0.03%	-0.02%	-0.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.10%	—	—

Volatility

Volatility by Period

	SOFR	TMB	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.24%	—	—
Volatility (6M) Calculated over the trailing 6-month period	0.55%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	0.84%	1.66%	-0.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.84%	1.66%	-0.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.84%	1.66%	-0.82%

SOFR vs. TMB - Expense Ratio Comparison

SOFR has a 0.20% expense ratio, which is lower than TMB's 0.55% expense ratio.

Dividends

SOFR vs. TMB - Dividend Comparison

SOFR's dividend yield for the trailing twelve months is around 3.95%, more than TMB's 0.36% yield.

Position	TTM	2025	2024
SOFR Amplify Samsung SOFR ETF	3.95%	4.22%	1.60%
TMB Thornburg Multi Sector Bond ETF	0.36%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SOFR and TMB in my portfolio?

SOFR and TMB have a correlation of -0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SOFR or TMB?

On fees, SOFR is cheaper at 0.20% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SOFR or TMB?

SOFR is cheaper with a 0.20% expense ratio, compared with 0.55% for TMB.

Which ETF pays a higher dividend yield, SOFR or TMB?

SOFR has the higher dividend yield at 3.95%, compared with 0.36% for TMB.

What is the main difference between SOFR and TMB?

They also come from different issuers: Amplify and Thornburg. Their fees differ too: 0.20% for SOFR and 0.55% for TMB.