OOSP vs. BFIX

Last updated Jun 23, 2026

OOSP (Obra Opportunistic Structured Products ETF) and BFIX (Build Bond Innovation ETF) are both exchange-traded funds - OOSP is a Multisector Bonds fund actively managed by Obra, while BFIX is a Intermediate Core Bond fund actively managed by Build. Both are actively managed. Over the past year, OOSP returned 6.71% vs 3.99% for BFIX. At a 0.07 correlation, their price movements are largely independent. OOSP charges 0.90%/yr vs 0.45%/yr for BFIX.

Performance

OOSP vs. BFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Obra Opportunistic Structured Products ETF (OOSP) 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, OOSP achieves a 2.66% return, which is significantly higher than BFIX's 0.79% return.

OOSP

• 1D: 0.00%
• 1M: 0.36%
• YTD: 2.66%
• 6M: 2.87%
• 1Y: 6.71%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BFIX

• 1D: -0.06%
• 1M: -0.33%
• YTD: 0.79%
• 6M: 0.46%
• 1Y: 3.99%
• 3Y*: 7.43%
• 5Y*: —
• 10Y*: —

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

OOSP vs. BFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024
OOSP Obra Opportunistic Structured Products ETF	2.66%	7.41%	6.27%
BFIX Build Bond Innovation ETF	0.79%	5.91%	9.63%

Correlation

The correlation between OOSP and BFIX is -0.01, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.01
Correlation (All Time) Calculated using the full available price history since Apr 10, 2024	0.07

Return for Risk

OOSP vs. BFIX — Risk / Return Rank

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

OOSP

OOSP Risk / Return Rank: 72
OOSP Sharpe Ratio Rank: 56
OOSP Sortino Ratio Rank: 59
OOSP Omega Ratio Rank: 68
OOSP Calmar Ratio Rank: 89
OOSP Martin Ratio Rank: 89

BFIX

BFIX Risk / Return Rank: 53
BFIX Sharpe Ratio Rank: 41
BFIX Sortino Ratio Rank: 43
BFIX Omega Ratio Rank: 42
BFIX Calmar Ratio Rank: 83
BFIX Martin Ratio Rank: 57

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.

OOSP vs. BFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Obra Opportunistic Structured Products ETF (OOSP) 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.

	OOSP	BFIX	Difference
Sharpe ratio: Return per unit of total volatility	1.85	1.40	+0.44
Sortino ratio: Return per unit of downside risk	2.68	2.13	+0.55
Omega ratio: Gain probability vs. loss probability	1.39	1.27	+0.12
Calmar ratio: Return relative to maximum drawdown	5.13	4.25	+0.89
Martin ratio: Return relative to average drawdown	19.00	9.60	+9.40

OOSP vs. BFIX - Sharpe Ratio Comparison

The current OOSP Sharpe Ratio is 1.85, which is higher than the BFIX Sharpe Ratio of 1.40. The chart below compares the historical Sharpe Ratios of OOSP 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

OOSP vs. BFIX - Drawdown Comparison

The maximum OOSP drawdown since its inception was -1.31%, smaller than the maximum BFIX drawdown of -8.54%. Use the drawdown chart below to compare losses from any high point for OOSP and BFIX.

Drawdown Indicators

	OOSP	BFIX	Difference
Max Drawdown Largest peak-to-trough decline	-1.31%	-8.54%	+7.23%
Max Drawdown (1Y) Largest decline over 1 year	-1.31%	-0.94%	-0.37%
Max Drawdown (3Y) Largest decline over 3 years	—	-4.05%	—
Current Drawdown Current decline from peak	0.00%	-0.87%	+0.87%
Average Drawdown Average peak-to-trough decline	-0.20%	-2.99%	+2.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.35%	0.42%	-0.07%

Volatility

OOSP vs. BFIX - Volatility Comparison

The current volatility for Obra Opportunistic Structured Products ETF (OOSP) is 0.44%, while Build Bond Innovation ETF (BFIX) has a volatility of 0.62%. This indicates that OOSP experiences smaller price fluctuations and is considered to be less risky than BFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OOSP	BFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.44%	0.62%	-0.18%
Volatility (6M) Calculated over the trailing 6-month period	2.18%	1.72%	+0.46%
Volatility (1Y) Calculated over the trailing 1-year period	3.66%	2.86%	+0.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.32%	4.76%	-1.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.32%	4.76%	-1.44%

OOSP vs. BFIX - Expense Ratio Comparison

OOSP has a 0.90% expense ratio, which is higher than BFIX's 0.45% expense ratio.

Dividends

OOSP vs. BFIX - Dividend Comparison

OOSP's dividend yield for the trailing twelve months is around 6.45%, more than BFIX's 3.54% yield.

Position	TTM	2025	2024	2023	2022
BFIX Build Bond Innovation ETF	3.54%	3.73%	4.38%	4.30%	1.58%
OOSP Obra Opportunistic Structured Products ETF	6.45%	6.71%	5.42%	0.00%	0.00%

Frequently Asked Questions

Can I hold both OOSP and BFIX in my portfolio?

OOSP and BFIX have a correlation of -0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OOSP or BFIX?

BFIX has higher volatility (0.62%) compared to OOSP (0.44%). In terms of maximum drawdown, OOSP dropped -1.31% vs BFIX's -8.54%.

Which ETF is better, OOSP or BFIX?

On 1-year performance, OOSP leads with 6.71% vs 3.99% for BFIX. On fees, BFIX is cheaper at 0.45% per year. On volatility, OOSP has been the lower-risk option at 0.44%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, OOSP or BFIX?

Over the 1-year period, OOSP has performed better with a 6.71% return vs 3.99%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, OOSP or BFIX?

BFIX is cheaper with a 0.45% expense ratio, compared with 0.90% for OOSP.

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

OOSP has the higher dividend yield at 6.45%, compared with 3.54% for BFIX.

What is the main difference between OOSP and BFIX?

OOSP is categorized as Multisector Bonds, while BFIX is Intermediate Core Bond. They also come from different issuers: Obra and Build. Their fees differ too: 0.90% for OOSP and 0.45% for BFIX.

Which has better risk-adjusted returns?

OOSP currently has the higher Sharpe Ratio (1.84 vs 1.40), 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.