ARKK vs. OARK

Last updated Apr 4, 2026

Compare and contrast key facts about ARK Innovation ETF (ARKK) and YieldMax Innovation Option Income Strategy ETF (OARK).

ARKK and OARK are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. ARKK is an actively managed fund by ARK. It was launched on Oct 31, 2014. OARK is an actively managed fund by YieldMax. It was launched on Nov 22, 2022.

Performance

ARKK vs. OARK - Performance Comparison

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

ARKK vs. OARK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
ARKK ARK Innovation ETF	-10.87%	35.49%	8.40%	69.04%	-13.99%
OARK YieldMax Innovation Option Income Strategy ETF	-6.88%	20.37%	7.32%	20.12%	-9.11%

Returns By Period

In the year-to-date period, ARKK achieves a -10.87% return, which is significantly lower than OARK's -6.88% return.

ARKK

• 1D: 0.23%
• 1M: -8.50%
• YTD: -10.87%
• 6M: -22.37%
• 1Y: 51.95%
• 3Y*: 20.43%
• 5Y*: -10.47%
• 10Y*: 14.27%

OARK

• 1D: -0.02%
• 1M: -5.43%
• YTD: -6.88%
• 6M: -14.59%
• 1Y: 39.21%
• 3Y*: 11.45%
• 5Y*: —
• 10Y*: —

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

ARKK vs. OARK - Expense Ratio Comparison

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

OARK

YieldMax Innovation Option Income Strategy ETF

ARKK

ARK Innovation ETF

Return for Risk

ARKK vs. OARK — Risk / Return Rank

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

ARKK

ARKK Risk / Return Rank: 44
ARKK Sharpe Ratio Rank: 48
ARKK Sortino Ratio Rank: 57
ARKK Omega Ratio Rank: 43
ARKK Calmar Ratio Rank: 41
ARKK Martin Ratio Rank: 30

OARK

OARK Risk / Return Rank: 42
OARK Sharpe Ratio Rank: 47
OARK Sortino Ratio Rank: 49
OARK Omega Ratio Rank: 42
OARK Calmar Ratio Rank: 41
OARK Martin Ratio Rank: 30

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.

ARKK vs. OARK - Risk-Adjusted Trends Comparison

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

	ARKK	OARK	Difference
Sharpe ratio Return per unit of total volatility	0.93	0.92	+0.02
Sortino ratio Return per unit of downside risk	1.56	1.41	+0.15
Omega ratio Gain probability vs. loss probability	1.18	1.18	0.00
Calmar ratio Return relative to maximum drawdown	1.39	1.40	-0.01
Martin ratio Return relative to average drawdown	3.54	3.54	-0.01
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARKK vs. OARK - Sharpe Ratio Comparison

The current ARKK Sharpe Ratio is 0.93, which is comparable to the OARK Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of ARKK and OARK, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ARKK	OARK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.93	0.92	+0.02
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.23	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.36	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.32	0.27	+0.04

Correlation

The correlation between ARKK and OARK is 0.94, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

ARKK vs. OARK - Dividend Comparison

ARKK has not paid dividends to shareholders, while OARK's dividend yield for the trailing twelve months is around 67.47%.

	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	67.47%	61.86%	47.86%	45.03%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

ARKK vs. OARK - Drawdown Comparison

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

Drawdown Indicators

	ARKK	OARK	Difference
Max Drawdown Largest peak-to-trough decline	-80.97%	-35.48%	-45.49%
Max Drawdown (1Y) Largest decline over 1 year	-31.35%	-23.26%	-8.09%
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	-55.61%	-18.16%	-37.45%
Average Drawdown Average peak-to-trough decline	-29.82%	-10.65%	-19.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.27%	9.18%	+3.09%

Volatility

ARKK vs. OARK - Volatility Comparison

ARK Innovation ETF (ARKK) has a higher volatility of 11.92% compared to YieldMax Innovation Option Income Strategy ETF (OARK) at 9.67%. This indicates that ARKK's price experiences larger fluctuations and is considered to be riskier than OARK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARKK	OARK	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.92%	9.67%	+2.25%
Volatility (6M) Calculated over the trailing 6-month period	27.61%	22.13%	+5.48%
Volatility (1Y) Calculated over the trailing 1-year period	42.55%	32.95%	+9.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	46.37%	31.10%	+15.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	40.10%	31.10%	+9.00%