OARK vs. ARKK

Last updated Jun 3, 2026

OARK (YieldMax Innovation Option Income Strategy ETF) and ARKK (ARK Innovation ETF) are both exchange-traded funds - OARK is a Options Trading fund actively managed by YieldMax, while ARKK is a Technology Equities fund actively managed by ARK. Both are actively managed. Over the past 3 years, OARK returned 14.96%/yr vs 24.63%/yr for ARKK. Their correlation of 0.95 suggests significant overlap in exposure. OARK charges 0.99%/yr vs 0.75%/yr for ARKK.

Performance

OARK vs. ARKK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in YieldMax Innovation Option Income Strategy ETF (OARK) and ARK Innovation ETF (ARKK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OARK achieves a 7.80% return, which is significantly higher than ARKK's 3.89% return.

OARK

• 1D: -1.28%
• 1M: 3.37%
• YTD: 7.80%
• 6M: 8.43%
• 1Y: 37.53%
• 3Y*: 14.96%
• 5Y*: —
• 10Y*: —

ARKK

• 1D: -1.66%
• 1M: 3.89%
• YTD: 3.89%
• 6M: 2.16%
• 1Y: 39.87%
• 3Y*: 24.63%
• 5Y*: -5.49%
• 10Y*: 16.01%

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

OARK vs. ARKK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
OARK YieldMax Innovation Option Income Strategy ETF	7.80%	20.37%	7.32%	20.12%	-9.11%
ARKK ARK Innovation ETF	3.89%	35.49%	8.40%	69.04%	-13.99%

Correlation

The correlation between OARK and ARKK is 0.98 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (All Time) Calculated using the full available price history since Nov 25, 2022	0.95

The correlation between OARK and ARKK has been stable across timeframes, ranging from 0.95 to 0.98 - a consistent structural relationship.

Return for Risk

OARK vs. ARKK — Risk / Return Rank

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

OARK

OARK Risk / Return Rank: 33
OARK Sharpe Ratio Rank: 37
OARK Sortino Ratio Rank: 35
OARK Omega Ratio Rank: 33
OARK Calmar Ratio Rank: 33
OARK Martin Ratio Rank: 27

ARKK

ARKK Risk / Return Rank: 28
ARKK Sharpe Ratio Rank: 30
ARKK Sortino Ratio Rank: 31
ARKK Omega Ratio Rank: 28
ARKK Calmar Ratio Rank: 27
ARKK Martin Ratio Rank: 23

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.

OARK vs. ARKK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for YieldMax Innovation Option Income Strategy ETF (OARK) and ARK Innovation ETF (ARKK). 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.

	OARK	ARKK	Difference
Sharpe ratio Return per unit of total volatility	1.35	1.10	+0.24
Sortino ratio Return per unit of downside risk	1.86	1.67	+0.19
Omega ratio Gain probability vs. loss probability	1.23	1.19	+0.04
Calmar ratio Return relative to maximum drawdown	1.66	1.33	+0.33
Martin ratio Return relative to average drawdown	3.95	2.98	+0.97
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OARK vs. ARKK - Sharpe Ratio Comparison

The current OARK Sharpe Ratio is 1.35, which is comparable to the ARKK Sharpe Ratio of 1.10. The chart below compares the historical Sharpe Ratios of OARK and ARKK, 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

	OARK	ARKK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.35	1.10	+0.24
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.12	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.40	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	0.35	+0.06

Drawdowns

OARK vs. ARKK - Drawdown Comparison

The maximum OARK drawdown since its inception was -35.48%, smaller than the maximum ARKK drawdown of -80.97%. Use the drawdown chart below to compare losses from any high point for OARK and ARKK.

Drawdown Indicators

	OARK	ARKK	Difference
Max Drawdown Largest peak-to-trough decline	-35.48%	-80.97%	+45.49%
Max Drawdown (1Y) Largest decline over 1 year	-23.26%	-31.35%	+8.09%
Max Drawdown (3Y) Largest decline over 3 years	-35.48%	-39.56%	+4.08%
Max Drawdown (5Y) Largest decline over 5 years	—	-77.23%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-80.97%	—
Current Drawdown Current decline from peak	-5.26%	-48.26%	+43.00%
Average Drawdown Average peak-to-trough decline	-10.59%	-30.11%	+19.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.76%	14.03%	-4.27%

Volatility

OARK vs. ARKK - Volatility Comparison

The current volatility for YieldMax Innovation Option Income Strategy ETF (OARK) is 6.41%, while ARK Innovation ETF (ARKK) has a volatility of 9.30%. This indicates that OARK experiences smaller price fluctuations and is considered to be less risky than ARKK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OARK	ARKK	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.41%	9.30%	-2.89%
Volatility (6M) Calculated over the trailing 6-month period	19.93%	25.13%	-5.20%
Volatility (1Y) Calculated over the trailing 1-year period	28.02%	36.31%	-8.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.85%	46.30%	-15.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.85%	40.27%	-9.42%

OARK vs. ARKK - Expense Ratio Comparison

OARK has a 0.99% expense ratio, which is higher than ARKK's 0.75% expense ratio.

Dividends

OARK vs. ARKK - Dividend Comparison

OARK's dividend yield for the trailing twelve months is around 63.29%, while ARKK has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARKK ARK Innovation ETF	0.00%	0.00%	0.00%	0.70%	0.00%	0.55%	1.64%	0.38%	3.14%	1.32%	0.00%	2.27%
OARK YieldMax Innovation Option Income Strategy ETF	63.29%	61.86%	47.86%	45.03%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both OARK and ARKK in my portfolio?

With a correlation of 0.98, OARK and ARKK move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, OARK or ARKK?

ARKK has higher volatility (9.30%) compared to OARK (6.41%). In terms of maximum drawdown, OARK dropped -35.48% vs ARKK's -80.97%.

Which ETF is better, OARK or ARKK?

On 3-year performance, ARKK leads with 24.63% vs 14.96% for OARK. On fees, ARKK is cheaper at 0.75% per year. On volatility, OARK has been the lower-risk option at 6.41%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, OARK or ARKK?

Over the 3-year period, ARKK has performed better with a 24.63% return vs 14.96%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, OARK or ARKK?

ARKK is cheaper with a 0.75% expense ratio, compared with 0.99% for OARK.

Which ETF pays a higher dividend yield, OARK or ARKK?

OARK has the higher dividend yield at 63.29%, compared with 0.00% for ARKK.

What is the main difference between OARK and ARKK?

OARK is categorized as Options Trading, while ARKK is Technology Equities. They also come from different issuers: YieldMax and ARK. Their fees differ too: 0.99% for OARK and 0.75% for ARKK.

Which has better risk-adjusted returns?

OARK currently has the higher Sharpe Ratio (1.35 vs 1.10), 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.