CAFX vs. BFIX

Last updated Apr 14, 2026

CAFX (Congress Intermediate Bond ETF) and BFIX (Build Bond Innovation ETF) are both Intermediate Core Bond funds. Both are actively managed. Over the past year, CAFX returned 5.20% vs 4.58% for BFIX. At 0.33, their price movements are largely independent. CAFX charges 0.35%/yr vs 0.45%/yr for BFIX.

Performance

CAFX vs. BFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Congress Intermediate Bond ETF (CAFX) 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, CAFX achieves a 0.42% return, which is significantly lower than BFIX's 1.22% return.

CAFX

• 1D: 0.12%
• 1M: 0.45%
• YTD: 0.42%
• 6M: 1.09%
• 1Y: 5.20%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BFIX

• 1D: -0.02%
• 1M: 0.19%
• YTD: 1.22%
• 6M: 1.45%
• 1Y: 4.58%
• 3Y*: 7.72%
• 5Y*: —
• 10Y*: —

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

CAFX vs. BFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024
CAFX Congress Intermediate Bond ETF	0.42%	6.46%	-1.66%
BFIX Build Bond Innovation ETF	1.22%	5.91%	5.11%

Correlation

The correlation between CAFX and BFIX is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.36
Correlation (All Time) Calculated using the full available price history since Sep 11, 2024	0.33

Return for Risk

CAFX vs. BFIX — Risk / Return Rank

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

CAFX

CAFX Risk / Return Rank: 42
CAFX Sharpe Ratio Rank: 38
CAFX Sortino Ratio Rank: 44
CAFX Omega Ratio Rank: 40
CAFX Calmar Ratio Rank: 45
CAFX Martin Ratio Rank: 43

BFIX

BFIX Risk / Return Rank: 39
BFIX Sharpe Ratio Rank: 32
BFIX Sortino Ratio Rank: 34
BFIX Omega Ratio Rank: 32
BFIX Calmar Ratio Rank: 56
BFIX Martin Ratio Rank: 40

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.

CAFX vs. BFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Congress Intermediate Bond ETF (CAFX) 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.

	CAFX	BFIX	Difference
Sharpe ratio Return per unit of total volatility	1.77	1.56	+0.21
Sortino ratio Return per unit of downside risk	2.74	2.35	+0.38
Omega ratio Gain probability vs. loss probability	1.33	1.29	+0.05
Calmar ratio Return relative to maximum drawdown	2.72	3.42	-0.71
Martin ratio Return relative to average drawdown	9.13	8.99	+0.14
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CAFX vs. BFIX - Sharpe Ratio Comparison

The current CAFX Sharpe Ratio is 1.77, which is comparable to the BFIX Sharpe Ratio of 1.56. The chart below compares the historical Sharpe Ratios of CAFX 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.

Sharpe Ratios by Period

	CAFX	BFIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.77	1.56	+0.21
Sharpe Ratio (All Time) Calculated using the full available price history	1.01	0.86	+0.15

Drawdowns

CAFX vs. BFIX - Drawdown Comparison

The maximum CAFX drawdown since its inception was -2.63%, smaller than the maximum BFIX drawdown of -8.03%. Use the drawdown chart below to compare losses from any high point for CAFX and BFIX.

Drawdown Indicators

	CAFX	BFIX	Difference
Max Drawdown Largest peak-to-trough decline	-2.63%	-8.03%	+5.40%
Max Drawdown (1Y) Largest decline over 1 year	-1.79%	-1.22%	-0.57%
Current Drawdown Current decline from peak	-0.78%	-0.45%	-0.33%
Average Drawdown Average peak-to-trough decline	-0.72%	-2.83%	+2.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.53%	0.47%	+0.06%

Volatility

CAFX vs. BFIX - Volatility Comparison

Congress Intermediate Bond ETF (CAFX) has a higher volatility of 1.08% compared to Build Bond Innovation ETF (BFIX) at 0.70%. This indicates that CAFX'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

	CAFX	BFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.08%	0.70%	+0.38%
Volatility (6M) Calculated over the trailing 6-month period	1.76%	2.24%	-0.48%
Volatility (1Y) Calculated over the trailing 1-year period	2.97%	2.96%	+0.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.19%	4.82%	-1.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.19%	4.82%	-1.63%

CAFX vs. BFIX - Expense Ratio Comparison

CAFX has a 0.35% expense ratio, which is lower than BFIX's 0.45% expense ratio.

Dividends

CAFX vs. BFIX - Dividend Comparison

CAFX's dividend yield for the trailing twelve months is around 3.97%, more than BFIX's 3.58% yield.

	TTM	2025	2024	2023	2022
CAFX Congress Intermediate Bond ETF	3.97%	3.92%	0.96%	0.00%	0.00%
BFIX Build Bond Innovation ETF	3.58%	3.73%	4.38%	4.30%	1.58%