PRAB vs. OOSP

Last updated Jul 4, 2026

PRAB (State Street IG Public & Private ABS ETF) and OOSP (Obra Opportunistic Structured Products ETF) are both Multisector Bonds funds. Both are actively managed. At a 0.15 correlation, their price movements are largely independent. PRAB charges 0.39%/yr vs 0.90%/yr for OOSP.

Performance

PRAB vs. OOSP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street IG Public & Private ABS ETF (PRAB) and Obra Opportunistic Structured Products ETF (OOSP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

PRAB

• 1D: 0.08%
• 1M: 0.38%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

OOSP

• 1D: 0.15%
• 1M: 0.56%
• 6M: 2.93%
• YTD: 2.98%
• 1Y: 6.51%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

PRAB vs. OOSP - Yearly Performance Comparison

	2026 (YTD)
PRAB State Street IG Public & Private ABS ETF	0.90%
OOSP Obra Opportunistic Structured Products ETF	1.74%

Correlation

The correlation between PRAB and OOSP is 0.15, 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 Mar 11, 2026	0.15

Return for Risk

PRAB vs. OOSP — Risk / Return Rank

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

PRAB

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

OOSP

OOSP Risk / Return Rank: 80
OOSP Sharpe Ratio Rank: 67
OOSP Sortino Ratio Rank: 70
OOSP Omega Ratio Rank: 77
OOSP Calmar Ratio Rank: 92
OOSP Martin Ratio Rank: 92

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.

PRAB vs. OOSP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street IG Public & Private ABS ETF (PRAB) and Obra Opportunistic Structured Products ETF (OOSP). 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.

	PRAB	OOSP	Difference
Sharpe ratio: Return per unit of total volatility	—	1.78	—
Sortino ratio: Return per unit of downside risk	—	2.60	—
Omega ratio: Gain probability vs. loss probability	—	1.37	—
Calmar ratio: Return relative to maximum drawdown	—	4.98	—
Martin ratio: Return relative to average drawdown	—	18.46	—

Drawdowns

PRAB vs. OOSP - Drawdown Comparison

The maximum PRAB drawdown since its inception was -0.48%, smaller than the maximum OOSP drawdown of -1.31%. Use the drawdown chart below to compare losses from any high point for PRAB and OOSP.

Drawdown Indicators

	PRAB	OOSP	Difference
Max Drawdown Largest peak-to-trough decline	-0.48%	-1.31%	+0.83%
Max Drawdown (1Y) Largest decline over 1 year	—	-1.31%	—
Current Drawdown Current decline from peak	-0.02%	-0.13%	+0.11%
Average Drawdown Average peak-to-trough decline	-0.08%	-0.20%	+0.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.35%	—

Volatility

Volatility by Period

	PRAB	OOSP	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.69%	—
Volatility (6M) Calculated over the trailing 6-month period	—	2.19%	—
Volatility (1Y) Calculated over the trailing 1-year period	1.14%	3.67%	-2.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.14%	3.32%	-2.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.14%	3.32%	-2.18%

PRAB vs. OOSP - Expense Ratio Comparison

PRAB has a 0.39% expense ratio, which is lower than OOSP's 0.90% expense ratio.

Dividends

PRAB vs. OOSP - Dividend Comparison

PRAB's dividend yield for the trailing twelve months is around 1.49%, less than OOSP's 6.42% yield.

Position	TTM	2025	2024
OOSP Obra Opportunistic Structured Products ETF	6.42%	6.71%	5.42%
PRAB State Street IG Public & Private ABS ETF	1.49%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PRAB and OOSP in my portfolio?

PRAB and OOSP have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, PRAB or OOSP?

On fees, PRAB is cheaper at 0.39% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, PRAB or OOSP?

PRAB is cheaper with a 0.39% expense ratio, compared with 0.90% for OOSP.

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

OOSP has the higher dividend yield at 6.42%, compared with 1.49% for PRAB.

What is the main difference between PRAB and OOSP?

They also come from different issuers: State Street and Obra. Their fees differ too: 0.39% for PRAB and 0.90% for OOSP.