UAPIX vs. ULPIX

Last updated Jun 4, 2026

UAPIX (ProFunds UltraSmall Cap Fund) and ULPIX (ProFunds UltraBull Fund) are both Leveraged Equities funds from ProFunds. Over the past 10 years, UAPIX returned 11.22%/yr vs 22.96%/yr for ULPIX. Their correlation of 0.85 suggests significant overlap in exposure. UAPIX charges 1.60%/yr vs 1.46%/yr for ULPIX.

Performance

UAPIX vs. ULPIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProFunds UltraSmall Cap Fund (UAPIX) and ProFunds UltraBull Fund (ULPIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, UAPIX achieves a 35.07% return, which is significantly higher than ULPIX's 20.77% return. Over the past 10 years, UAPIX has underperformed ULPIX with an annualized return of 11.22%, while ULPIX has yielded a comparatively higher 22.96% annualized return.

UAPIX

• 1D: 1.81%
• 1M: 9.34%
• YTD: 35.07%
• 6M: 31.40%
• 1Y: 80.44%
• 3Y*: 25.30%
• 5Y*: 1.87%
• 10Y*: 11.22%

ULPIX

• 1D: 0.25%
• 1M: 11.31%
• YTD: 20.77%
• 6M: 20.35%
• 1Y: 54.19%
• 3Y*: 35.90%
• 5Y*: 18.94%
• 10Y*: 22.96%

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

UAPIX vs. ULPIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
UAPIX ProFunds UltraSmall Cap Fund	35.07%	12.77%	10.42%	22.26%	-43.78%	23.06%	13.86%	46.81%	-26.88%	24.36%
ULPIX ProFunds UltraBull Fund	20.77%	25.47%	38.03%	45.59%	-39.16%	59.28%	19.12%	62.17%	-15.02%	42.77%

Correlation

The correlation between UAPIX and ULPIX is 0.79, 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	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (10Y) Calculated over the trailing 10-year period	0.81
Correlation (All Time) Calculated using the full available price history since Feb 8, 2000	0.85

The correlation between UAPIX and ULPIX has been stable across timeframes, ranging from 0.77 to 0.85 - a consistent structural relationship.

Return for Risk

UAPIX vs. ULPIX — Risk / Return Rank

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

UAPIX

UAPIX Risk / Return Rank: 59
UAPIX Sharpe Ratio Rank: 59
UAPIX Sortino Ratio Rank: 46
UAPIX Omega Ratio Rank: 39
UAPIX Calmar Ratio Rank: 83
UAPIX Martin Ratio Rank: 69

ULPIX

ULPIX Risk / Return Rank: 60
ULPIX Sharpe Ratio Rank: 66
ULPIX Sortino Ratio Rank: 50
ULPIX Omega Ratio Rank: 52
ULPIX Calmar Ratio Rank: 64
ULPIX Martin Ratio Rank: 70

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.

UAPIX vs. ULPIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProFunds UltraSmall Cap Fund (UAPIX) and ProFunds UltraBull Fund (ULPIX). 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.

	UAPIX	ULPIX	Difference
Sharpe ratio: Return per unit of total volatility	2.26	2.37	-0.11
Sortino ratio: Return per unit of downside risk	2.84	2.99	-0.15
Omega ratio: Gain probability vs. loss probability	1.34	1.40	-0.06
Calmar ratio: Return relative to maximum drawdown	3.88	3.07	+0.81
Martin ratio: Return relative to average drawdown	13.24	13.50	-0.26
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

UAPIX vs. ULPIX - Sharpe Ratio Comparison

The current UAPIX Sharpe Ratio is 2.26, which is comparable to the ULPIX Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of UAPIX and ULPIX, 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

	UAPIX	ULPIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.26	2.37	-0.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.04	0.56	-0.52
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.24	0.65	-0.41
Sharpe Ratio (All Time) Calculated using the full available price history	0.10	0.25	-0.15

Drawdowns

UAPIX vs. ULPIX - Drawdown Comparison

The maximum UAPIX drawdown since its inception was -88.51%, roughly equal to the maximum ULPIX drawdown of -89.68%. Use the drawdown chart below to compare losses from any high point for UAPIX and ULPIX.

Drawdown Indicators

	UAPIX	ULPIX	Difference
Max Drawdown Largest peak-to-trough decline	-88.51%	-89.68%	+1.17%
Max Drawdown (1Y) Largest decline over 1 year	-22.32%	-18.30%	-4.02%
Max Drawdown (3Y) Largest decline over 3 years	-49.86%	-36.59%	-13.27%
Max Drawdown (5Y) Largest decline over 5 years	-61.82%	-46.92%	-14.90%
Max Drawdown (10Y) Largest decline over 10 years	-72.18%	-59.41%	-12.77%
Current Drawdown Current decline from peak	-3.10%	0.00%	-3.10%
Average Drawdown Average peak-to-trough decline	-36.05%	-33.84%	-2.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.53%	4.16%	+2.37%

Volatility

UAPIX vs. ULPIX - Volatility Comparison

ProFunds UltraSmall Cap Fund (UAPIX) has a higher volatility of 11.16% compared to ProFunds UltraBull Fund (ULPIX) at 5.62%. This indicates that UAPIX's price experiences larger fluctuations and is considered to be riskier than ULPIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	UAPIX	ULPIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.16%	5.62%	+5.54%
Volatility (6M) Calculated over the trailing 6-month period	27.10%	17.92%	+9.18%
Volatility (1Y) Calculated over the trailing 1-year period	38.25%	23.69%	+14.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	45.14%	33.91%	+11.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	46.52%	35.45%	+11.07%

UAPIX vs. ULPIX - Expense Ratio Comparison

UAPIX has a 1.60% expense ratio, which is higher than ULPIX's 1.46% expense ratio.

Dividends

UAPIX vs. ULPIX - Dividend Comparison

UAPIX's dividend yield for the trailing twelve months is around 0.35%, less than ULPIX's 7.54% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
UAPIX ProFunds UltraSmall Cap Fund	0.35%	0.47%	1.06%	0.73%	0.00%	0.00%	0.00%	0.00%	0.13%
ULPIX ProFunds UltraBull Fund	7.54%	9.11%	0.00%	0.02%	10.36%	5.62%	12.74%	0.42%	0.58%

Frequently Asked Questions

Can I hold both UAPIX and ULPIX in my portfolio?

UAPIX and ULPIX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, UAPIX or ULPIX?

UAPIX has higher volatility (11.16%) compared to ULPIX (5.62%). In terms of maximum drawdown, UAPIX dropped -88.51% vs ULPIX's -89.68%.

Which has better risk-adjusted returns?

ULPIX currently has the higher Sharpe Ratio (2.37 vs 2.26), 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.