UJPIX vs. IWM

Last updated Jun 4, 2026

UJPIX (ProFunds UltraJapan Fund) and IWM (iShares Russell 2000 ETF) are both funds - UJPIX is a Leveraged Equities fund managed by ProFunds, while IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index. Over the past 10 years, UJPIX returned 28.38%/yr vs 10.93%/yr for IWM. A 0.63 correlation means they provide meaningful diversification when combined. UJPIX charges 1.78%/yr vs 0.19%/yr for IWM.

Performance

UJPIX vs. IWM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProFunds UltraJapan Fund (UJPIX) and iShares Russell 2000 ETF (IWM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, UJPIX achieves a 74.33% return, which is significantly higher than IWM's 17.07% return. Over the past 10 years, UJPIX has outperformed IWM with an annualized return of 28.38%, while IWM has yielded a comparatively lower 10.93% annualized return.

UJPIX

• 1D: 0.71%
• 1M: 28.38%
• YTD: 74.33%
• 6M: 80.06%
• 1Y: 209.72%
• 3Y*: 58.02%
• 5Y*: 36.23%
• 10Y*: 28.38%

IWM

• 1D: -1.37%
• 1M: 3.52%
• YTD: 17.07%
• 6M: 15.83%
• 1Y: 39.10%
• 3Y*: 17.88%
• 5Y*: 6.11%
• 10Y*: 10.93%

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

UJPIX vs. IWM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
UJPIX ProFunds UltraJapan Fund	74.33%	60.72%	28.67%	70.81%	-21.63%	6.44%	23.36%	40.42%	-25.61%	39.72%
IWM iShares Russell 2000 ETF	17.07%	12.66%	11.38%	16.83%	-20.48%	14.54%	20.03%	25.39%	-11.12%	14.58%

Correlation

The correlation between UJPIX and IWM is 0.60, 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	0.60
Correlation (3Y) Calculated over the trailing 3-year period	0.57
Correlation (5Y) Calculated over the trailing 5-year period	0.62
Correlation (10Y) Calculated over the trailing 10-year period	0.62
Correlation (All Time) Calculated using the full available price history since May 30, 2000	0.63

The correlation between UJPIX and IWM has been stable across timeframes, ranging from 0.57 to 0.63 - a consistent structural relationship.

Return for Risk

UJPIX vs. IWM — Risk / Return Rank

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

UJPIX

UJPIX Risk / Return Rank: 93
UJPIX Sharpe Ratio Rank: 99
UJPIX Sortino Ratio Rank: 90
UJPIX Omega Ratio Rank: 83
UJPIX Calmar Ratio Rank: 98
UJPIX Martin Ratio Rank: 97

IWM

IWM Risk / Return Rank: 62
IWM Sharpe Ratio Rank: 59
IWM Sortino Ratio Rank: 59
IWM Omega Ratio Rank: 53
IWM Calmar Ratio Rank: 70
IWM Martin Ratio Rank: 67

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.

UJPIX vs. IWM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProFunds UltraJapan Fund (UJPIX) and iShares Russell 2000 ETF (IWM). 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.

	UJPIX	IWM	Difference
Sharpe ratio: Return per unit of total volatility	4.35	2.05	+2.30
Sortino ratio: Return per unit of downside risk	4.40	2.85	+1.55
Omega ratio: Gain probability vs. loss probability	1.56	1.34	+0.22
Calmar ratio: Return relative to maximum drawdown	7.75	3.56	+4.19
Martin ratio: Return relative to average drawdown	26.38	12.64	+13.74
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

UJPIX vs. IWM - Sharpe Ratio Comparison

The current UJPIX Sharpe Ratio is 4.35, which is higher than the IWM Sharpe Ratio of 2.05. The chart below compares the historical Sharpe Ratios of UJPIX and IWM, 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

	UJPIX	IWM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.35	2.05	+2.30
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.87	0.27	+0.60
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.69	0.48	+0.21
Sharpe Ratio (All Time) Calculated using the full available price history	0.10	0.37	-0.27

Drawdowns

UJPIX vs. IWM - Drawdown Comparison

The maximum UJPIX drawdown since its inception was -89.83%, which is greater than IWM's maximum drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for UJPIX and IWM.

Drawdown Indicators

	UJPIX	IWM	Difference
Max Drawdown Largest peak-to-trough decline	-89.83%	-59.05%	-30.78%
Max Drawdown (1Y) Largest decline over 1 year	-27.11%	-11.03%	-16.08%
Max Drawdown (3Y) Largest decline over 3 years	-43.92%	-27.50%	-16.42%
Max Drawdown (5Y) Largest decline over 5 years	-43.92%	-31.91%	-12.01%
Max Drawdown (10Y) Largest decline over 10 years	-56.99%	-41.13%	-15.86%
Current Drawdown Current decline from peak	0.00%	-1.49%	+1.49%
Average Drawdown Average peak-to-trough decline	-49.94%	-10.77%	-39.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.95%	3.10%	+4.85%

Volatility

UJPIX vs. IWM - Volatility Comparison

ProFunds UltraJapan Fund (UJPIX) has a higher volatility of 13.05% compared to iShares Russell 2000 ETF (IWM) at 5.75%. This indicates that UJPIX's price experiences larger fluctuations and is considered to be riskier than IWM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	UJPIX	IWM	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.05%	5.75%	+7.30%
Volatility (6M) Calculated over the trailing 6-month period	36.76%	13.53%	+23.23%
Volatility (1Y) Calculated over the trailing 1-year period	48.33%	19.20%	+29.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	41.85%	22.52%	+19.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	41.36%	23.04%	+18.32%

UJPIX vs. IWM - Expense Ratio Comparison

UJPIX has a 1.78% expense ratio, which is higher than IWM's 0.19% expense ratio.

Dividends

UJPIX vs. IWM - Dividend Comparison

UJPIX's dividend yield for the trailing twelve months is around 22.78%, more than IWM's 0.88% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IWM iShares Russell 2000 ETF	0.88%	1.04%	1.15%	1.35%	1.48%	0.94%	1.04%	1.26%	1.40%	1.26%	1.38%	1.54%
UJPIX ProFunds UltraJapan Fund	22.78%	39.71%	0.00%	0.00%	0.00%	14.19%	0.00%	0.00%	2.64%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both UJPIX and IWM in my portfolio?

UJPIX and IWM have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, UJPIX or IWM?

UJPIX has higher volatility (13.05%) compared to IWM (5.75%). In terms of maximum drawdown, UJPIX dropped -89.83% vs IWM's -59.05%.

Which has better risk-adjusted returns?

UJPIX currently has the higher Sharpe Ratio (4.35 vs 2.05), 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.