RIOX vs. KORU

Last updated Jun 6, 2026

RIOX (Defiance Daily Target 2X Long RIOT ETF) and KORU (Direxion Daily South Korea Bull 3X Shares) are both Leveraged Equities funds. RIOX is actively managed, while KORU is passively managed. Over the past year, RIOX returned 157.33% vs 886.26% for KORU. At a 0.47 correlation, their price movements are largely independent. RIOX charges 0.95%/yr vs 1.29%/yr for KORU.

Performance

RIOX vs. KORU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Defiance Daily Target 2X Long RIOT ETF (RIOX) and Direxion Daily South Korea Bull 3X Shares (KORU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RIOX achieves a 135.89% return, which is significantly lower than KORU's 235.99% return.

RIOX

• 1D: -20.99%
• 1M: 1.77%
• YTD: 135.89%
• 6M: 52.58%
• 1Y: 157.33%
• 3Y*: —
• 5Y*: —
• 10Y*: —

KORU

• 1D: -41.89%
• 1M: -27.29%
• YTD: 235.99%
• 6M: 287.50%
• 1Y: 886.26%
• 3Y*: 84.33%
• 5Y*: 7.86%
• 10Y*: 11.01%

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

RIOX vs. KORU - Yearly Performance Comparison

	2026 (YTD)	2025
RIOX Defiance Daily Target 2X Long RIOT ETF	135.89%	-60.36%
KORU Direxion Daily South Korea Bull 3X Shares	235.99%	378.62%

Correlation

The correlation between RIOX and KORU is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (All Time) Calculated using the full available price history since Jan 6, 2025	0.47

Return for Risk

RIOX vs. KORU — Risk / Return Rank

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

RIOX

RIOX Risk / Return Rank: 37
RIOX Sharpe Ratio Rank: 28
RIOX Sortino Ratio Rank: 48
RIOX Omega Ratio Rank: 44
RIOX Calmar Ratio Rank: 41
RIOX Martin Ratio Rank: 25

KORU

KORU Risk / Return Rank: 93
KORU Sharpe Ratio Rank: 99
KORU Sortino Ratio Rank: 85
KORU Omega Ratio Rank: 88
KORU Calmar Ratio Rank: 98
KORU Martin Ratio Rank: 97

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.

RIOX vs. KORU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Defiance Daily Target 2X Long RIOT ETF (RIOX) and Direxion Daily South Korea Bull 3X Shares (KORU). 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.

	RIOX	KORU	Difference
Sharpe ratio: Return per unit of total volatility	0.94	6.79	-5.85
Sortino ratio: Return per unit of downside risk	2.18	3.69	-1.51
Omega ratio: Gain probability vs. loss probability	1.26	1.54	-0.28
Calmar ratio: Return relative to maximum drawdown	1.88	14.58	-12.71
Martin ratio: Return relative to average drawdown	3.12	45.51	-42.40
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RIOX vs. KORU - Sharpe Ratio Comparison

The current RIOX Sharpe Ratio is 0.94, which is lower than the KORU Sharpe Ratio of 6.79. The chart below compares the historical Sharpe Ratios of RIOX and KORU, 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

	RIOX	KORU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.94	6.79	-5.85
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.09	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.14	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.03	0.05	-0.08

Drawdowns

RIOX vs. KORU - Drawdown Comparison

The maximum RIOX drawdown since its inception was -84.40%, smaller than the maximum KORU drawdown of -95.79%. Use the drawdown chart below to compare losses from any high point for RIOX and KORU.

Drawdown Indicators

	RIOX	KORU	Difference
Max Drawdown Largest peak-to-trough decline	-84.40%	-95.79%	+11.39%
Max Drawdown (1Y) Largest decline over 1 year	-84.40%	-61.39%	-23.01%
Max Drawdown (3Y) Largest decline over 3 years	—	-73.71%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-93.34%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-95.79%	—
Current Drawdown Current decline from peak	-43.36%	-51.77%	+8.41%
Average Drawdown Average peak-to-trough decline	-52.49%	-57.52%	+5.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	50.67%	19.63%	+31.04%

Volatility

RIOX vs. KORU - Volatility Comparison

The current volatility for Defiance Daily Target 2X Long RIOT ETF (RIOX) is 37.03%, while Direxion Daily South Korea Bull 3X Shares (KORU) has a volatility of 81.14%. This indicates that RIOX experiences smaller price fluctuations and is considered to be less risky than KORU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RIOX	KORU	Difference
Volatility (1M) Calculated over the trailing 1-month period	37.03%	81.14%	-44.11%
Volatility (6M) Calculated over the trailing 6-month period	123.63%	124.83%	-1.20%
Volatility (1Y) Calculated over the trailing 1-year period	169.32%	131.98%	+37.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	168.45%	87.31%	+81.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	168.45%	81.08%	+87.37%

RIOX vs. KORU - Expense Ratio Comparison

RIOX has a 0.95% expense ratio, which is lower than KORU's 1.29% expense ratio.

Dividends

RIOX vs. KORU - Dividend Comparison

RIOX's dividend yield for the trailing twelve months is around 25.76%, more than KORU's 0.27% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
KORU Direxion Daily South Korea Bull 3X Shares	0.27%	0.89%	4.10%	2.55%	0.48%	0.76%	0.01%	0.93%	1.40%	3.59%
RIOX Defiance Daily Target 2X Long RIOT ETF	25.76%	60.76%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both RIOX and KORU in my portfolio?

RIOX and KORU have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RIOX or KORU?

KORU has higher volatility (81.14%) compared to RIOX (37.03%). In terms of maximum drawdown, RIOX dropped -84.40% vs KORU's -95.79%.

Which ETF is better, RIOX or KORU?

On 1-year performance, KORU leads with 886.26% vs 157.33% for RIOX. On fees, RIOX is cheaper at 0.95% per year. On volatility, RIOX has been the lower-risk option at 37.03%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RIOX or KORU?

Over the 1-year period, KORU has performed better with a 886.26% return vs 157.33%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RIOX or KORU?

RIOX is cheaper with a 0.95% expense ratio, compared with 1.29% for KORU.

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

RIOX has the higher dividend yield at 25.76%, compared with 0.27% for KORU.

What is the main difference between RIOX and KORU?

They also come from different issuers: Defiance and Direxion. Their fees differ too: 0.95% for RIOX and 1.29% for KORU.

Which has better risk-adjusted returns?

KORU currently has the higher Sharpe Ratio (6.79 vs 0.94), 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.