IMRA vs. OOSP

Last updated Jun 5, 2026

IMRA (Bitwise MARA Option Income Strategy ETF) and OOSP (Obra Opportunistic Structured Products ETF) are both exchange-traded funds - IMRA is a Derivative Income fund actively managed by Bitwise, while OOSP is a Multisector Bonds fund actively managed by Obra. Both are actively managed. Over the past year, IMRA returned -33.71% vs 6.66% for OOSP. At a correlation of -0.07, they often move in opposite directions. IMRA charges 0.98%/yr vs 0.90%/yr for OOSP.

Performance

IMRA vs. OOSP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Bitwise MARA Option Income Strategy ETF (IMRA) and Obra Opportunistic Structured Products ETF (OOSP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IMRA achieves a 30.23% return, which is significantly higher than OOSP's 2.41% return.

IMRA

• 1D: -0.02%
• 1M: 7.79%
• YTD: 30.23%
• 6M: -0.17%
• 1Y: -33.71%
• 3Y*: —
• 5Y*: —
• 10Y*: —

OOSP

• 1D: 0.00%
• 1M: 0.51%
• YTD: 2.41%
• 6M: 2.82%
• 1Y: 6.66%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IMRA vs. OOSP - Yearly Performance Comparison

	2026 (YTD)	2025
IMRA Bitwise MARA Option Income Strategy ETF	30.23%	-33.37%
OOSP Obra Opportunistic Structured Products ETF	2.41%	4.96%

Correlation

The correlation between IMRA and OOSP is -0.10, 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	-0.10
Correlation (All Time) Calculated using the full available price history since Apr 4, 2025	-0.07

Return for Risk

IMRA vs. OOSP — Risk / Return Rank

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

IMRA

IMRA Risk / Return Rank: 5
IMRA Sharpe Ratio Rank: 4
IMRA Sortino Ratio Rank: 5
IMRA Omega Ratio Rank: 5
IMRA Calmar Ratio Rank: 4
IMRA Martin Ratio Rank: 5

OOSP

OOSP Risk / Return Rank: 69
OOSP Sharpe Ratio Rank: 53
OOSP Sortino Ratio Rank: 55
OOSP Omega Ratio Rank: 62
OOSP Calmar Ratio Rank: 88
OOSP Martin Ratio Rank: 88

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.

IMRA vs. OOSP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bitwise MARA Option Income Strategy ETF (IMRA) 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.

	IMRA	OOSP	Difference
Sharpe ratio: Return per unit of total volatility	-0.57	1.80	-2.37
Sortino ratio: Return per unit of downside risk	-0.55	2.62	-3.16
Omega ratio: Gain probability vs. loss probability	0.93	1.37	-0.44
Calmar ratio: Return relative to maximum drawdown	-0.55	5.09	-5.64
Martin ratio: Return relative to average drawdown	-0.89	18.85	-19.74
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IMRA vs. OOSP - Sharpe Ratio Comparison

The current IMRA Sharpe Ratio is -0.57, which is lower than the OOSP Sharpe Ratio of 1.80. The chart below compares the historical Sharpe Ratios of IMRA and OOSP, 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

	IMRA	OOSP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.57	1.80	-2.37
Sharpe Ratio (All Time) Calculated using the full available price history	-0.19	2.28	-2.47

Drawdowns

IMRA vs. OOSP - Drawdown Comparison

The maximum IMRA drawdown since its inception was -61.55%, which is greater than OOSP's maximum drawdown of -1.31%. Use the drawdown chart below to compare losses from any high point for IMRA and OOSP.

Drawdown Indicators

	IMRA	OOSP	Difference
Max Drawdown Largest peak-to-trough decline	-61.55%	-1.31%	-60.24%
Max Drawdown (1Y) Largest decline over 1 year	-61.55%	-1.31%	-60.24%
Current Drawdown Current decline from peak	-40.72%	-0.18%	-40.54%
Average Drawdown Average peak-to-trough decline	-28.25%	-0.20%	-28.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	38.02%	0.35%	+37.67%

Volatility

IMRA vs. OOSP - Volatility Comparison

Bitwise MARA Option Income Strategy ETF (IMRA) has a higher volatility of 9.48% compared to Obra Opportunistic Structured Products ETF (OOSP) at 1.17%. This indicates that IMRA's price experiences larger fluctuations and is considered to be riskier than OOSP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IMRA	OOSP	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.48%	1.17%	+8.31%
Volatility (6M) Calculated over the trailing 6-month period	43.47%	2.23%	+41.24%
Volatility (1Y) Calculated over the trailing 1-year period	59.64%	3.71%	+55.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	61.29%	3.35%	+57.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	61.29%	3.35%	+57.94%

IMRA vs. OOSP - Expense Ratio Comparison

IMRA has a 0.98% expense ratio, which is higher than OOSP's 0.90% expense ratio.

Dividends

IMRA vs. OOSP - Dividend Comparison

IMRA's dividend yield for the trailing twelve months is around 108.68%, more than OOSP's 6.47% yield.

Position	TTM	2025	2024
IMRA Bitwise MARA Option Income Strategy ETF	108.68%	188.74%	0.00%
OOSP Obra Opportunistic Structured Products ETF	6.47%	6.71%	5.42%

Frequently Asked Questions

Can I hold both IMRA and OOSP in my portfolio?

IMRA and OOSP have a correlation of -0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IMRA or OOSP?

IMRA has higher volatility (9.48%) compared to OOSP (1.17%). In terms of maximum drawdown, IMRA dropped -61.55% vs OOSP's -1.31%.

Which ETF is better, IMRA or OOSP?

On 1-year performance, OOSP leads with 6.66% vs -33.71% for IMRA. On fees, OOSP is cheaper at 0.90% per year. On volatility, OOSP has been the lower-risk option at 1.17%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IMRA or OOSP?

Over the 1-year period, OOSP has performed better with a 6.66% return vs -33.71%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IMRA or OOSP?

OOSP is cheaper with a 0.90% expense ratio, compared with 0.98% for IMRA.

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

IMRA has the higher dividend yield at 108.68%, compared with 6.47% for OOSP.

What is the main difference between IMRA and OOSP?

IMRA is categorized as Derivative Income, while OOSP is Multisector Bonds. They also come from different issuers: Bitwise and Obra. Their fees differ too: 0.98% for IMRA and 0.90% for OOSP.

Which has better risk-adjusted returns?

OOSP currently has the higher Sharpe Ratio (1.80 vs -0.57), 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.