BDBT vs. BFIX

Last updated Jun 24, 2026

BDBT (Bluemonte Core Bond ETF) and BFIX (Build Bond Innovation ETF) are both Intermediate Core Bond funds. Over the past year, BDBT returned 3.98% vs 3.71% for BFIX. At a 0.40 correlation, their price movements are largely independent. BDBT charges 0.23%/yr vs 0.45%/yr for BFIX.

Performance

BDBT vs. BFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Bluemonte Core Bond ETF (BDBT) and Build Bond Innovation ETF (BFIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BDBT achieves a 0.29% return, which is significantly lower than BFIX's 0.67% return.

BDBT

• 1D: 0.08%
• 1M: 0.60%
• YTD: 0.29%
• 6M: 0.44%
• 1Y: 3.98%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BFIX

• 1D: -0.12%
• 1M: -0.45%
• YTD: 0.67%
• 6M: -0.05%
• 1Y: 3.71%
• 3Y*: 7.39%
• 5Y*: —
• 10Y*: —

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

BDBT vs. BFIX - Yearly Performance Comparison

	2026 (YTD)	2025
BDBT Bluemonte Core Bond ETF	0.29%	3.70%
BFIX Build Bond Innovation ETF	0.67%	3.18%

Correlation

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

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (All Time) Calculated using the full available price history since Jun 23, 2025	0.40

Return for Risk

BDBT vs. BFIX — Risk / Return Rank

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

BDBT

BDBT Risk / Return Rank: 30
BDBT Sharpe Ratio Rank: 31
BDBT Sortino Ratio Rank: 31
BDBT Omega Ratio Rank: 28
BDBT Calmar Ratio Rank: 30
BDBT Martin Ratio Rank: 30

BFIX

BFIX Risk / Return Rank: 50
BFIX Sharpe Ratio Rank: 39
BFIX Sortino Ratio Rank: 41
BFIX Omega Ratio Rank: 40
BFIX Calmar Ratio Rank: 78
BFIX Martin Ratio Rank: 54

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.

BDBT vs. BFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bluemonte Core Bond ETF (BDBT) and Build Bond Innovation ETF (BFIX). 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.

	BDBT	BFIX	Difference
Sharpe ratio: Return per unit of total volatility	1.03	1.30	-0.27
Sortino ratio: Return per unit of downside risk	1.54	1.98	-0.44
Omega ratio: Gain probability vs. loss probability	1.18	1.25	-0.07
Calmar ratio: Return relative to maximum drawdown	1.39	3.76	-2.38
Martin ratio: Return relative to average drawdown	3.94	8.83	-4.89

BDBT vs. BFIX - Sharpe Ratio Comparison

The current BDBT Sharpe Ratio is 1.03, which is comparable to the BFIX Sharpe Ratio of 1.30. The chart below compares the historical Sharpe Ratios of BDBT and BFIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BDBT vs. BFIX - Drawdown Comparison

The maximum BDBT drawdown since its inception was -2.88%, smaller than the maximum BFIX drawdown of -8.54%. Use the drawdown chart below to compare losses from any high point for BDBT and BFIX.

Drawdown Indicators

	BDBT	BFIX	Difference
Max Drawdown Largest peak-to-trough decline	-2.88%	-8.54%	+5.66%
Max Drawdown (1Y) Largest decline over 1 year	-2.88%	-0.99%	-1.89%
Max Drawdown (3Y) Largest decline over 3 years	—	-4.05%	—
Current Drawdown Current decline from peak	-1.51%	-0.99%	-0.52%
Average Drawdown Average peak-to-trough decline	-0.75%	-2.99%	+2.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.01%	0.42%	+0.59%

Volatility

BDBT vs. BFIX - Volatility Comparison

Bluemonte Core Bond ETF (BDBT) has a higher volatility of 1.13% compared to Build Bond Innovation ETF (BFIX) at 0.63%. This indicates that BDBT's price experiences larger fluctuations and is considered to be riskier than BFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BDBT	BFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.13%	0.63%	+0.50%
Volatility (6M) Calculated over the trailing 6-month period	2.89%	1.72%	+1.17%
Volatility (1Y) Calculated over the trailing 1-year period	3.86%	2.86%	+1.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.86%	4.76%	-0.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.86%	4.76%	-0.90%

BDBT vs. BFIX - Expense Ratio Comparison

BDBT has a 0.23% expense ratio, which is lower than BFIX's 0.45% expense ratio.

Dividends

BDBT vs. BFIX - Dividend Comparison

BDBT's dividend yield for the trailing twelve months is around 3.52%, which matches BFIX's 3.55% yield.

Position	TTM	2025	2024	2023	2022
BDBT Bluemonte Core Bond ETF	3.52%	2.21%	0.00%	0.00%	0.00%
BFIX Build Bond Innovation ETF	3.55%	3.73%	4.38%	4.30%	1.58%

Frequently Asked Questions

Can I hold both BDBT and BFIX in my portfolio?

BDBT and BFIX 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 is riskier, BDBT or BFIX?

BDBT has higher volatility (1.13%) compared to BFIX (0.63%). In terms of maximum drawdown, BDBT dropped -2.88% vs BFIX's -8.54%.

Which ETF is better, BDBT or BFIX?

On 1-year performance, BDBT leads with 3.98% vs 3.71% for BFIX. On fees, BDBT is cheaper at 0.23% per year. On volatility, BFIX has been the lower-risk option at 0.63%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BDBT or BFIX?

Over the 1-year period, BDBT has performed better with a 3.98% return vs 3.71%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BDBT or BFIX?

BDBT is cheaper with a 0.23% expense ratio, compared with 0.45% for BFIX.

Which ETF pays a higher dividend yield, BDBT or BFIX?

BFIX has the higher dividend yield at 3.55%, compared with 3.52% for BDBT.

What is the main difference between BDBT and BFIX?

They also come from different issuers: Bluemonte and Build. Their fees differ too: 0.23% for BDBT and 0.45% for BFIX.

Which has better risk-adjusted returns?

BFIX currently has the higher Sharpe Ratio (1.30 vs 1.03), 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.