CMBO vs. BIL

Last updated Jun 4, 2026

CMBO (Wayfinder Dynamic U.S. Interest Rate ETF) and BIL (SPDR Bloomberg 1-3 Month T-Bill ETF) are both exchange-traded funds - CMBO is a Ultrashort Bond fund actively managed by Wayfinder, while BIL is a Government Bonds fund tracking the Bloomberg 1-3 Month U.S. Treasury Bill Index. CMBO is actively managed, while BIL is passively managed. At a 0.40 correlation, their price movements are largely independent. CMBO charges 0.15%/yr vs 0.14%/yr for BIL.

Performance

CMBO vs. BIL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Wayfinder Dynamic U.S. Interest Rate ETF (CMBO) and SPDR Bloomberg 1-3 Month T-Bill ETF (BIL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CMBO achieves a 1.59% return, which is significantly higher than BIL's 1.49% return.

CMBO

• 1D: 0.01%
• 1M: 0.31%
• YTD: 1.59%
• 6M: 1.96%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BIL

• 1D: 0.02%
• 1M: 0.28%
• YTD: 1.49%
• 6M: 1.77%
• 1Y: 3.87%
• 3Y*: 4.64%
• 5Y*: 3.41%
• 10Y*: 2.18%

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

CMBO vs. BIL - Yearly Performance Comparison

	2026 (YTD)	2025
CMBO Wayfinder Dynamic U.S. Interest Rate ETF	1.59%	0.52%
BIL SPDR Bloomberg 1-3 Month T-Bill ETF	1.49%	0.60%

Correlation

The correlation between CMBO and BIL is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Nov 5, 2025	0.40

Return for Risk

CMBO vs. BIL — Risk / Return Rank

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

BIL

BIL Risk / Return Rank: 100
BIL Sharpe Ratio Rank: 100
BIL Sortino Ratio Rank: 100
BIL Omega Ratio Rank: 100
BIL Calmar Ratio Rank: 100
BIL Martin Ratio Rank: 100

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.

CMBO vs. BIL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Wayfinder Dynamic U.S. Interest Rate ETF (CMBO) and SPDR Bloomberg 1-3 Month T-Bill ETF (BIL). 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

	CMBO	BIL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	19.71	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	13.16	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	8.52	—
Sharpe Ratio (All Time) Calculated using the full available price history	9.84	2.78	+7.07

Drawdowns

CMBO vs. BIL - Drawdown Comparison

The maximum CMBO drawdown since its inception was -0.22%, smaller than the maximum BIL drawdown of -0.78%. Use the drawdown chart below to compare losses from any high point for CMBO and BIL.

Drawdown Indicators

	CMBO	BIL	Difference
Max Drawdown Largest peak-to-trough decline	-0.22%	-0.78%	+0.56%
Max Drawdown (1Y) Largest decline over 1 year	—	-0.01%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-0.01%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-0.10%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-0.21%	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-0.01%	-0.26%	+0.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.00%	—

Volatility

Volatility by Period

	CMBO	BIL	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.05%	—
Volatility (6M) Calculated over the trailing 6-month period	—	0.13%	—
Volatility (1Y) Calculated over the trailing 1-year period	0.38%	0.20%	+0.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.38%	0.26%	+0.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.38%	0.26%	+0.12%

CMBO vs. BIL - Expense Ratio Comparison

CMBO has a 0.15% expense ratio, which is higher than BIL's 0.14% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

CMBO vs. BIL - Dividend Comparison

CMBO has not paid dividends to shareholders, while BIL's dividend yield for the trailing twelve months is around 3.86%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
BIL SPDR Bloomberg 1-3 Month T-Bill ETF	3.86%	4.13%	5.03%	4.92%	1.35%	0.00%	0.30%	2.05%	1.66%	0.68%	0.07%
CMBO Wayfinder Dynamic U.S. Interest Rate ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CMBO and BIL in my portfolio?

CMBO and BIL have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CMBO or BIL?

On fees, BIL is cheaper at 0.14% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, CMBO or BIL?

BIL is cheaper with a 0.14% expense ratio, compared with 0.15% for CMBO.

Which ETF pays a higher dividend yield, CMBO or BIL?

BIL has the higher dividend yield at 3.86%, compared with 0.00% for CMBO.

What is the main difference between CMBO and BIL?

CMBO is categorized as Ultrashort Bond, while BIL is Government Bonds. They also come from different issuers: Wayfinder and State Street. Their fees differ too: 0.15% for CMBO and 0.14% for BIL.