SMUP vs. KORU

Last updated Jun 5, 2026

SMUP (T-REX 2X Long SMR Daily Target ETF) and KORU (Direxion Daily South Korea Bull 3X Shares) are both Leveraged Equities funds. SMUP is actively managed, while KORU is passively managed. At a 0.46 correlation, their price movements are largely independent. SMUP charges 1.50%/yr vs 1.29%/yr for KORU.

Performance

SMUP vs. KORU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T-REX 2X Long SMR Daily Target ETF (SMUP) 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, SMUP achieves a -56.52% return, which is significantly lower than KORU's 478.17% return.

SMUP

• 1D: -5.76%
• 1M: -7.99%
• YTD: -56.52%
• 6M: -84.29%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

KORU

• 1D: -12.29%
• 1M: 43.43%
• YTD: 478.17%
• 6M: 617.53%
• 1Y: 1,709.41%
• 3Y*: 122.40%
• 5Y*: 20.22%
• 10Y*: 17.48%

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

SMUP vs. KORU - Yearly Performance Comparison

	2026 (YTD)	2025
SMUP T-REX 2X Long SMR Daily Target ETF	-56.52%	-95.72%
KORU Direxion Daily South Korea Bull 3X Shares	478.17%	117.66%

Correlation

The correlation between SMUP and KORU is 0.46, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jul 28, 2025	0.46

Return for Risk

SMUP vs. KORU — Risk / Return Rank

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

KORU

KORU Risk / Return Rank: 97
KORU Sharpe Ratio Rank: 100
KORU Sortino Ratio Rank: 94
KORU Omega Ratio Rank: 94
KORU Calmar Ratio Rank: 99
KORU Martin Ratio Rank: 99

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.

SMUP vs. KORU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T-REX 2X Long SMR Daily Target ETF (SMUP) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	SMUP	KORU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	13.88	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.24	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.22	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.49	0.11	-0.60

Drawdowns

SMUP vs. KORU - Drawdown Comparison

The maximum SMUP drawdown since its inception was -98.64%, roughly equal to the maximum KORU drawdown of -95.79%. Use the drawdown chart below to compare losses from any high point for SMUP and KORU.

Drawdown Indicators

	SMUP	KORU	Difference
Max Drawdown Largest peak-to-trough decline	-98.64%	-95.79%	-2.85%
Max Drawdown (1Y) Largest decline over 1 year	—	-61.39%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-73.71%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-93.35%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-95.79%	—
Current Drawdown Current decline from peak	-98.14%	-17.01%	-81.13%
Average Drawdown Average peak-to-trough decline	-79.25%	-57.52%	-21.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	19.36%	—

Volatility

Volatility by Period

	SMUP	KORU	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	60.60%	—
Volatility (6M) Calculated over the trailing 6-month period	—	111.66%	—
Volatility (1Y) Calculated over the trailing 1-year period	203.27%	124.91%	+78.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	203.27%	85.28%	+117.99%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	203.27%	79.99%	+123.28%

SMUP vs. KORU - Expense Ratio Comparison

SMUP has a 1.50% expense ratio, which is higher than KORU's 1.29% expense ratio.

Dividends

SMUP vs. KORU - Dividend Comparison

SMUP's dividend yield for the trailing twelve months is around 51.96%, more than KORU's 0.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
KORU Direxion Daily South Korea Bull 3X Shares	0.16%	0.89%	4.10%	2.55%	0.48%	0.76%	0.01%	0.93%	1.40%	3.59%
SMUP T-REX 2X Long SMR Daily Target ETF	51.96%	22.59%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SMUP and KORU in my portfolio?

SMUP and KORU have a correlation of 0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SMUP or KORU?

On fees, KORU is cheaper at 1.29% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SMUP or KORU?

KORU is cheaper with a 1.29% expense ratio, compared with 1.50% for SMUP.

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

SMUP has the higher dividend yield at 51.96%, compared with 0.16% for KORU.

What is the main difference between SMUP and KORU?

They also come from different issuers: T-Rex and Direxion. Their fees differ too: 1.50% for SMUP and 1.29% for KORU.