USD vs. KORU

Last updated Jun 4, 2026

USD (ProShares Ultra Semiconductors) and KORU (Direxion Daily South Korea Bull 3X Shares) are both Leveraged Equities funds - USD tracks the Dow Jones U.S. Semiconductors Index (200%) while KORU tracks the MSCI Korea 25-50 Index. Both are passively managed. Over the past 10 years, USD returned 62.16%/yr vs 19.62%/yr for KORU. A 0.53 correlation means they provide meaningful diversification when combined. USD charges 0.95%/yr vs 1.29%/yr for KORU.

Performance

USD vs. KORU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares Ultra Semiconductors (USD) 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, USD achieves a 114.00% return, which is significantly lower than KORU's 559.14% return. Over the past 10 years, USD has outperformed KORU with an annualized return of 62.16%, while KORU has yielded a comparatively lower 19.62% annualized return.

USD

• 1D: -1.14%
• 1M: 44.53%
• YTD: 114.00%
• 6M: 111.06%
• 1Y: 274.62%
• 3Y*: 127.67%
• 5Y*: 69.52%
• 10Y*: 62.16%

KORU

• 1D: -2.29%
• 1M: 92.47%
• YTD: 559.14%
• 6M: 689.29%
• 1Y: 2,160.10%
• 3Y*: 132.56%
• 5Y*: 23.42%
• 10Y*: 19.62%

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

USD vs. KORU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
USD ProShares Ultra Semiconductors	114.00%	62.08%	139.64%	228.79%	-68.57%	104.27%	68.16%	110.37%	-26.88%	81.72%
KORU Direxion Daily South Korea Bull 3X Shares	559.14%	432.73%	-62.18%	28.61%	-70.16%	-33.86%	48.78%	5.47%	-59.89%	167.08%

Correlation

The correlation between USD and KORU is 0.59, 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	0.59
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (5Y) Calculated over the trailing 5-year period	0.57
Correlation (10Y) Calculated over the trailing 10-year period	0.56
Correlation (All Time) Calculated using the full available price history since Apr 11, 2013	0.53

The correlation between USD and KORU has been stable across timeframes, ranging from 0.53 to 0.59 - a consistent structural relationship.

USD vs. KORU - Sectors Allocation Comparison

Sectors	USD	KORU
Financial Services	27.8%	16.7%
Technology	27.4%	52.3%
Energy	0.0%	1.4%
Basic Materials	-	2.0%
Communication Services	-	2.9%
Consumer Cyclical	-	5.8%
Consumer Defensive	-	1.8%
Healthcare	-	3.5%
Industrials	-	20.4%
Real Estate	-	-
Utilities	-	0.4%

Return for Risk

USD vs. KORU — Risk / Return Rank

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

USD

USD Risk / Return Rank: 90
USD Sharpe Ratio Rank: 97
USD Sortino Ratio Rank: 83
USD Omega Ratio Rank: 83
USD Calmar Ratio Rank: 95
USD Martin Ratio Rank: 93

KORU

KORU Risk / Return Rank: 97
KORU Sharpe Ratio Rank: 100
KORU Sortino Ratio Rank: 95
KORU Omega Ratio Rank: 95
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.

USD vs. KORU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares Ultra Semiconductors (USD) 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.

	USD	KORU	Difference
Sharpe ratio: Return per unit of total volatility	4.53	17.63	-13.09
Sortino ratio: Return per unit of downside risk	3.81	5.20	-1.40
Omega ratio: Gain probability vs. loss probability	1.51	1.72	-0.21
Calmar ratio: Return relative to maximum drawdown	8.70	35.65	-26.95
Martin ratio: Return relative to average drawdown	25.16	112.99	-87.83
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

USD vs. KORU - Sharpe Ratio Comparison

The current USD Sharpe Ratio is 4.53, which is lower than the KORU Sharpe Ratio of 17.63. The chart below compares the historical Sharpe Ratios of USD 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

	USD	KORU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.53	17.63	-13.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.91	0.28	+0.64
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.90	0.25	+0.65
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	0.13	+0.36

Drawdowns

USD vs. KORU - Drawdown Comparison

The maximum USD drawdown since its inception was -88.63%, smaller than the maximum KORU drawdown of -95.79%. Use the drawdown chart below to compare losses from any high point for USD and KORU.

Drawdown Indicators

	USD	KORU	Difference
Max Drawdown Largest peak-to-trough decline	-88.63%	-95.79%	+7.16%
Max Drawdown (1Y) Largest decline over 1 year	-31.80%	-61.39%	+29.59%
Max Drawdown (3Y) Largest decline over 3 years	-64.46%	-73.71%	+9.25%
Max Drawdown (5Y) Largest decline over 5 years	-77.85%	-93.35%	+15.50%
Max Drawdown (10Y) Largest decline over 10 years	-77.85%	-95.79%	+17.94%
Current Drawdown Current decline from peak	-1.14%	-5.39%	+4.25%
Average Drawdown Average peak-to-trough decline	-32.35%	-57.53%	+25.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.97%	19.33%	-8.36%

Volatility

USD vs. KORU - Volatility Comparison

The current volatility for ProShares Ultra Semiconductors (USD) is 20.36%, while Direxion Daily South Korea Bull 3X Shares (KORU) has a volatility of 60.18%. This indicates that USD 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

	USD	KORU	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.36%	60.18%	-39.82%
Volatility (6M) Calculated over the trailing 6-month period	46.39%	110.71%	-64.32%
Volatility (1Y) Calculated over the trailing 1-year period	61.22%	124.15%	-62.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	76.55%	85.11%	-8.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	69.23%	79.91%	-10.68%

USD vs. KORU - Expense Ratio Comparison

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

Dividends

USD vs. KORU - Dividend Comparison

USD's dividend yield for the trailing twelve months is around 0.21%, more than KORU's 0.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KORU Direxion Daily South Korea Bull 3X Shares	0.14%	0.89%	4.10%	2.55%	0.48%	0.76%	0.01%	0.93%	1.40%	3.59%	0.00%	0.00%
USD ProShares Ultra Semiconductors	0.21%	0.39%	0.10%	0.05%	0.30%	0.00%	0.14%	0.72%	0.93%	0.32%	0.46%	0.39%

Frequently Asked Questions

Can I hold both USD and KORU in my portfolio?

USD and KORU have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, USD or KORU?

KORU has higher volatility (60.18%) compared to USD (20.36%). In terms of maximum drawdown, USD dropped -88.63% vs KORU's -95.79%.

Which ETF is better, USD or KORU?

On 10-year performance, USD leads with 62.16% vs 19.62% for KORU. On fees, USD is cheaper at 0.95% per year. On volatility, USD has been the lower-risk option at 20.36%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, USD or KORU?

Over the 10-year period, USD has performed better with a 62.16% return vs 19.62%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, USD or KORU?

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

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

USD has the higher dividend yield at 0.21%, compared with 0.14% for KORU.

What is the main difference between USD and KORU?

USD tracks Dow Jones U.S. Semiconductors Index (200%), while KORU tracks MSCI Korea 25-50 Index. They also come from different issuers: ProShares and Direxion. Their fees differ too: 0.95% for USD and 1.29% for KORU.

Which has better risk-adjusted returns?

KORU currently has the higher Sharpe Ratio (17.63 vs 4.53), 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.