TMSF vs. BGRN

Last updated Jun 4, 2026

TMSF (T. Rowe Price Multi-Sector Income ETF) and BGRN (iShares USD Green Bond ETF) are both exchange-traded funds - TMSF is a Multisector Bonds fund actively managed by T. Rowe Price, while BGRN is a Global Bonds fund tracking the Bloomberg MSCI USD Green Bond Select Index. TMSF is actively managed, while BGRN is passively managed. A 0.70 correlation means they provide meaningful diversification when combined. TMSF charges 0.37%/yr vs 0.20%/yr for BGRN.

Performance

TMSF vs. BGRN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Multi-Sector Income ETF (TMSF) and iShares USD Green Bond ETF (BGRN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TMSF achieves a 1.71% return, which is significantly higher than BGRN's 0.43% return.

TMSF

• 1D: -0.20%
• 1M: 0.53%
• YTD: 1.71%
• 6M: 2.23%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BGRN

• 1D: -0.20%
• 1M: 0.31%
• YTD: 0.43%
• 6M: 0.49%
• 1Y: 5.19%
• 3Y*: 4.75%
• 5Y*: 0.54%
• 10Y*: —

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

TMSF vs. BGRN - Yearly Performance Comparison

	2026 (YTD)	2025
TMSF T. Rowe Price Multi-Sector Income ETF	1.71%	1.29%
BGRN iShares USD Green Bond ETF	0.43%	0.54%

Correlation

The correlation between TMSF and BGRN is 0.70, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Nov 21, 2025	0.70

Return for Risk

TMSF vs. BGRN — Risk / Return Rank

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

BGRN

BGRN Risk / Return Rank: 50
BGRN Sharpe Ratio Rank: 51
BGRN Sortino Ratio Rank: 56
BGRN Omega Ratio Rank: 51
BGRN Calmar Ratio Rank: 48
BGRN Martin Ratio Rank: 47

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.

TMSF vs. BGRN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Multi-Sector Income ETF (TMSF) and iShares USD Green Bond ETF (BGRN). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	TMSF	BGRN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.76	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.10	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.99	0.45	+1.54

Drawdowns

TMSF vs. BGRN - Drawdown Comparison

The maximum TMSF drawdown since its inception was -2.28%, smaller than the maximum BGRN drawdown of -19.16%. Use the drawdown chart below to compare losses from any high point for TMSF and BGRN.

Drawdown Indicators

	TMSF	BGRN	Difference
Max Drawdown Largest peak-to-trough decline	-2.28%	-19.16%	+16.88%
Max Drawdown (1Y) Largest decline over 1 year	—	-2.23%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-4.55%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-18.73%	—
Current Drawdown Current decline from peak	-0.25%	-0.83%	+0.58%
Average Drawdown Average peak-to-trough decline	-0.38%	-5.79%	+5.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.66%	—

Volatility

Volatility by Period

	TMSF	BGRN	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	1.06%	—
Volatility (6M) Calculated over the trailing 6-month period	—	2.24%	—
Volatility (1Y) Calculated over the trailing 1-year period	2.94%	2.97%	-0.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.94%	5.46%	-2.52%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.94%	5.00%	-2.06%

TMSF vs. BGRN - Expense Ratio Comparison

TMSF has a 0.37% expense ratio, which is higher than BGRN's 0.20% expense ratio.

Dividends

TMSF vs. BGRN - Dividend Comparison

TMSF's dividend yield for the trailing twelve months is around 3.06%, less than BGRN's 4.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
BGRN iShares USD Green Bond ETF	4.29%	4.21%	4.07%	3.52%	2.66%	0.78%	1.82%	3.66%	0.21%
TMSF T. Rowe Price Multi-Sector Income ETF	3.06%	0.75%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TMSF and BGRN in my portfolio?

TMSF and BGRN have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, TMSF or BGRN?

On fees, BGRN 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, TMSF or BGRN?

BGRN is cheaper with a 0.20% expense ratio, compared with 0.37% for TMSF.

Which ETF pays a higher dividend yield, TMSF or BGRN?

BGRN has the higher dividend yield at 4.29%, compared with 3.06% for TMSF.

What is the main difference between TMSF and BGRN?

TMSF is categorized as Multisector Bonds, while BGRN is Global Bonds. They also come from different issuers: T. Rowe Price and iShares. Their fees differ too: 0.37% for TMSF and 0.20% for BGRN.