KORU vs. ARKK

Last updated Jun 24, 2026

KORU (Direxion Daily South Korea Bull 3X Shares) and ARKK (ARK Innovation ETF) are both exchange-traded funds - KORU is a Leveraged Equities fund tracking the MSCI Korea 25-50 Index, while ARKK is a Technology Equities fund actively managed by ARK. KORU is passively managed, while ARKK is actively managed. Over the past 10 years, KORU returned 14.49%/yr vs 15.90%/yr for ARKK. At a 0.49 correlation, their price movements are largely independent. KORU charges 1.29%/yr vs 0.75%/yr for ARKK.

Performance

KORU vs. ARKK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Direxion Daily South Korea Bull 3X Shares (KORU) 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, KORU achieves a 285.56% return, which is significantly higher than ARKK's -0.31% return. Over the past 10 years, KORU has underperformed ARKK with an annualized return of 14.49%, while ARKK has yielded a comparatively higher 15.90% annualized return.

KORU

• 1D: -35.70%
• 1M: -10.30%
• YTD: 285.56%
• 6M: 341.44%
• 1Y: 858.44%
• 3Y*: 100.70%
• 5Y*: 11.21%
• 10Y*: 14.49%

ARKK

• 1D: -2.23%
• 1M: 0.37%
• YTD: -0.31%
• 6M: -4.76%
• 1Y: 11.37%
• 3Y*: 22.42%
• 5Y*: -9.10%
• 10Y*: 15.90%

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

KORU vs. ARKK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
KORU Direxion Daily South Korea Bull 3X Shares	285.56%	432.73%	-62.18%	28.61%	-70.16%	-33.86%	48.78%	5.47%	-59.89%	167.08%
ARKK ARK Innovation ETF	-0.31%	35.49%	8.40%	69.04%	-66.97%	-23.60%	152.71%	35.08%	3.52%	87.33%

Correlation

The correlation between KORU and ARKK is 0.56, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.56
Correlation (3Y) Calculated over the trailing 3-year period	0.53
Correlation (5Y) Calculated over the trailing 5-year period	0.53
Correlation (10Y) Calculated over the trailing 10-year period	0.50
Correlation (All Time) Calculated using the full available price history since Oct 31, 2014	0.49

The correlation between KORU and ARKK has been stable across timeframes, ranging from 0.49 to 0.56 - a consistent structural relationship.

KORU vs. ARKK - Sectors Allocation Comparison

Sectors	KORU	ARKK
Technology	63.4%	25.9%
Industrials	15.2%	5.7%
Financial Services	7.4%	16.2%
Consumer Cyclical	5.5%	14.1%
Healthcare	2.5%	28.1%
Communication Services	2.1%	10.0%
Basic Materials	1.4%	-
Consumer Defensive	1.3%	-
Energy	0.9%	-
Utilities	0.3%	-
Real Estate	-	-

Return for Risk

KORU vs. ARKK — Risk / Return Rank

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

KORU

KORU Risk / Return Rank: 93
KORU Sharpe Ratio Rank: 99
KORU Sortino Ratio Rank: 84
KORU Omega Ratio Rank: 88
KORU Calmar Ratio Rank: 98
KORU Martin Ratio Rank: 97

ARKK

ARKK Risk / Return Rank: 13
ARKK Sharpe Ratio Rank: 13
ARKK Sortino Ratio Rank: 14
ARKK Omega Ratio Rank: 13
ARKK Calmar Ratio Rank: 13
ARKK Martin Ratio Rank: 12

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.

KORU vs. ARKK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Direxion Daily South Korea Bull 3X Shares (KORU) 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.

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.

	KORU	ARKK	Difference
Sharpe ratio: Return per unit of total volatility	6.02	0.32	+5.70
Sortino ratio: Return per unit of downside risk	3.56	0.69	+2.87
Omega ratio: Gain probability vs. loss probability	1.53	1.08	+0.45
Calmar ratio: Return relative to maximum drawdown	14.12	0.36	+13.76
Martin ratio: Return relative to average drawdown	41.38	0.78	+40.60

KORU vs. ARKK - Sharpe Ratio Comparison

The current KORU Sharpe Ratio is 6.02, which is higher than the ARKK Sharpe Ratio of 0.32. The chart below compares the historical Sharpe Ratios of KORU 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.

Drawdowns

KORU vs. ARKK - Drawdown Comparison

The maximum KORU drawdown since its inception was -95.79%, which is greater than ARKK's maximum drawdown of -80.97%. Use the drawdown chart below to compare losses from any high point for KORU and ARKK.

Drawdown Indicators

	KORU	ARKK	Difference
Max Drawdown Largest peak-to-trough decline	-95.79%	-80.97%	-14.82%
Max Drawdown (1Y) Largest decline over 1 year	-61.39%	-31.35%	-30.04%
Max Drawdown (3Y) Largest decline over 3 years	-73.34%	-39.56%	-33.78%
Max Drawdown (5Y) Largest decline over 5 years	-93.34%	-77.23%	-16.11%
Max Drawdown (10Y) Largest decline over 10 years	-95.79%	-80.97%	-14.82%
Current Drawdown Current decline from peak	-44.66%	-50.35%	+5.69%
Average Drawdown Average peak-to-trough decline	-57.41%	-30.20%	-27.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	20.91%	14.57%	+6.34%

Volatility

KORU vs. ARKK - Volatility Comparison

Direxion Daily South Korea Bull 3X Shares (KORU) has a higher volatility of 92.27% compared to ARK Innovation ETF (ARKK) at 12.53%. This indicates that KORU's price experiences larger fluctuations and is considered to be riskier than ARKK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KORU	ARKK	Difference
Volatility (1M) Calculated over the trailing 1-month period	92.27%	12.53%	+79.74%
Volatility (6M) Calculated over the trailing 6-month period	138.63%	26.71%	+111.92%
Volatility (1Y) Calculated over the trailing 1-year period	144.16%	36.20%	+107.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	91.40%	46.46%	+44.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	83.03%	40.40%	+42.63%

KORU vs. ARKK - Expense Ratio Comparison

KORU has a 1.29% expense ratio, which is higher than ARKK's 0.75% expense ratio.

Dividends

KORU vs. ARKK - Dividend Comparison

KORU's dividend yield for the trailing twelve months is around 0.24%, 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%
KORU Direxion Daily South Korea Bull 3X Shares	0.24%	0.89%	4.10%	2.55%	0.48%	0.76%	0.01%	0.93%	1.40%	3.59%	0.00%	0.00%

Frequently Asked Questions

Can I hold both KORU and ARKK in my portfolio?

KORU and ARKK have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, KORU or ARKK?

KORU has higher volatility (92.27%) compared to ARKK (12.53%). In terms of maximum drawdown, KORU dropped -95.79% vs ARKK's -80.97%.

Which ETF is better, KORU or ARKK?

On 10-year performance, ARKK leads with 15.90% vs 14.49% for KORU. On fees, ARKK is cheaper at 0.75% per year. On volatility, ARKK has been the lower-risk option at 12.53%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, KORU or ARKK?

Over the 10-year period, ARKK has performed better with a 15.90% return vs 14.49%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, KORU or ARKK?

ARKK is cheaper with a 0.75% expense ratio, compared with 1.29% for KORU.

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

KORU has the higher dividend yield at 0.24%, compared with 0.00% for ARKK.

What is the main difference between KORU and ARKK?

KORU is categorized as Leveraged Equities, while ARKK is Technology Equities. They also come from different issuers: Direxion and ARK. Their fees differ too: 1.29% for KORU and 0.75% for ARKK.

Which has better risk-adjusted returns?

KORU currently has the higher Sharpe Ratio (6.02 vs 0.32), 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.