RTPIX vs. SOPIX

Last updated Jun 3, 2026

RTPIX (ProFunds Rising Rates Opportunity 10 Fund) and SOPIX (ProFunds Short NASDAQ-100 Fund) are both mutual funds - RTPIX is a Inverse Bonds fund managed by ProFunds, while SOPIX is a Inverse Equities fund managed by ProFunds. Over the past 10 years, RTPIX returned 0.95%/yr vs -20.70%/yr for SOPIX. At a correlation of -0.21, they often move in opposite directions. Both charge a 1.78% expense ratio.

Performance

RTPIX vs. SOPIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProFunds Rising Rates Opportunity 10 Fund (RTPIX) and ProFunds Short NASDAQ-100 Fund (SOPIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RTPIX achieves a 2.55% return, which is significantly higher than SOPIX's -16.58% return. Over the past 10 years, RTPIX has outperformed SOPIX with an annualized return of 0.95%, while SOPIX has yielded a comparatively lower -20.70% annualized return.

RTPIX

• 1D: 0.21%
• 1M: 0.55%
• YTD: 2.55%
• 6M: 3.09%
• 1Y: 0.80%
• 3Y*: 2.58%
• 5Y*: 4.56%
• 10Y*: 0.95%

SOPIX

• 1D: -0.56%
• 1M: -8.98%
• YTD: -16.58%
• 6M: -15.30%
• 1Y: -27.28%
• 3Y*: -21.80%
• 5Y*: -16.77%
• 10Y*: -20.70%

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

RTPIX vs. SOPIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RTPIX ProFunds Rising Rates Opportunity 10 Fund	2.55%	-2.23%	3.81%	3.77%	19.50%	1.22%	-11.86%	-7.09%	1.07%	-3.06%
SOPIX ProFunds Short NASDAQ-100 Fund	-16.58%	-15.80%	-23.82%	-31.85%	34.73%	-25.69%	-42.92%	-28.29%	-3.07%	-25.24%

Correlation

The correlation between RTPIX and SOPIX is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.11
Correlation (5Y) Calculated over the trailing 5-year period	0.07
Correlation (10Y) Calculated over the trailing 10-year period	-0.05
Correlation (All Time) Calculated using the full available price history since Jan 4, 2006	-0.21

The correlation between RTPIX and SOPIX shifts across timeframes, from -0.21 (all time) to 0.14 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

RTPIX vs. SOPIX — Risk / Return Rank

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

RTPIX

RTPIX Risk / Return Rank: 4
RTPIX Sharpe Ratio Rank: 4
RTPIX Sortino Ratio Rank: 4
RTPIX Omega Ratio Rank: 4
RTPIX Calmar Ratio Rank: 4
RTPIX Martin Ratio Rank: 3

SOPIX

SOPIX Risk / Return Rank: 0
SOPIX Sharpe Ratio Rank: 0
SOPIX Sortino Ratio Rank: 0
SOPIX Omega Ratio Rank: 0
SOPIX Calmar Ratio Rank: 0
SOPIX Martin Ratio Rank: 0

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.

RTPIX vs. SOPIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProFunds Rising Rates Opportunity 10 Fund (RTPIX) and ProFunds Short NASDAQ-100 Fund (SOPIX). 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.

	RTPIX	SOPIX	Difference
Sharpe ratio Return per unit of total volatility	0.26	-1.74	+2.00
Sortino ratio Return per unit of downside risk	0.40	-2.61	+3.01
Omega ratio Gain probability vs. loss probability	1.05	0.73	+0.32
Calmar ratio Return relative to maximum drawdown	0.27	-1.00	+1.27
Martin ratio Return relative to average drawdown	0.50	-2.10	+2.60
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RTPIX vs. SOPIX - Sharpe Ratio Comparison

The current RTPIX Sharpe Ratio is 0.26, which is higher than the SOPIX Sharpe Ratio of -1.74. The chart below compares the historical Sharpe Ratios of RTPIX and SOPIX, 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

	RTPIX	SOPIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.26	-1.74	+2.00
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.53	-0.72	+1.25
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.13	-0.92	+1.05
Sharpe Ratio (All Time) Calculated using the full available price history	-0.20	-0.81	+0.61

Drawdowns

RTPIX vs. SOPIX - Drawdown Comparison

The maximum RTPIX drawdown since its inception was -69.27%, smaller than the maximum SOPIX drawdown of -99.06%. Use the drawdown chart below to compare losses from any high point for RTPIX and SOPIX.

Drawdown Indicators

	RTPIX	SOPIX	Difference
Max Drawdown Largest peak-to-trough decline	-69.27%	-99.06%	+29.79%
Max Drawdown (1Y) Largest decline over 1 year	-3.74%	-27.12%	+23.38%
Max Drawdown (3Y) Largest decline over 3 years	-9.51%	-54.67%	+45.16%
Max Drawdown (5Y) Largest decline over 5 years	-9.51%	-64.84%	+55.33%
Max Drawdown (10Y) Largest decline over 10 years	-23.73%	-90.82%	+67.09%
Current Drawdown Current decline from peak	-58.91%	-99.06%	+40.15%
Average Drawdown Average peak-to-trough decline	-51.18%	-76.13%	+24.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.99%	13.18%	-11.19%

Volatility

RTPIX vs. SOPIX - Volatility Comparison

The current volatility for ProFunds Rising Rates Opportunity 10 Fund (RTPIX) is 1.74%, while ProFunds Short NASDAQ-100 Fund (SOPIX) has a volatility of 4.55%. This indicates that RTPIX experiences smaller price fluctuations and is considered to be less risky than SOPIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RTPIX	SOPIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.74%	4.55%	-2.81%
Volatility (6M) Calculated over the trailing 6-month period	3.71%	12.18%	-8.47%
Volatility (1Y) Calculated over the trailing 1-year period	5.28%	16.04%	-10.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.61%	23.38%	-14.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.50%	22.49%	-14.99%

RTPIX vs. SOPIX - Expense Ratio Comparison

Both RTPIX and SOPIX have an expense ratio of 1.78%.

Dividends

RTPIX vs. SOPIX - Dividend Comparison

RTPIX's dividend yield for the trailing twelve months is around 3.41%, more than SOPIX's 2.57% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
RTPIX ProFunds Rising Rates Opportunity 10 Fund	3.41%	3.50%	0.00%	6.68%	0.00%	0.00%	0.00%	0.58%
SOPIX ProFunds Short NASDAQ-100 Fund	2.57%	2.14%	0.00%	6.71%	0.00%	0.00%	0.00%	0.29%

Frequently Asked Questions

Can I hold both RTPIX and SOPIX in my portfolio?

RTPIX and SOPIX have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RTPIX or SOPIX?

SOPIX has higher volatility (4.55%) compared to RTPIX (1.74%). In terms of maximum drawdown, RTPIX dropped -69.27% vs SOPIX's -99.06%.

Which has better risk-adjusted returns?

RTPIX currently has the higher Sharpe Ratio (0.26 vs -1.74), 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.