INPIX vs. SOPIX

Last updated Jun 3, 2026

INPIX (ProFunds Internet UltraSector Fund) and SOPIX (ProFunds Short NASDAQ-100 Fund) are both mutual funds - INPIX is a Leveraged Equities fund managed by ProFunds, while SOPIX is a Inverse Equities fund managed by ProFunds. Over the past 10 years, INPIX returned 23.54%/yr vs -20.70%/yr for SOPIX. At a correlation of -0.87, they often move in opposite directions. INPIX charges 1.48%/yr vs 1.78%/yr for SOPIX.

Performance

INPIX vs. SOPIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProFunds Internet UltraSector Fund (INPIX) 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, INPIX achieves a 9.45% return, which is significantly higher than SOPIX's -16.58% return. Over the past 10 years, INPIX has outperformed SOPIX with an annualized return of 23.54%, while SOPIX has yielded a comparatively lower -20.70% annualized return.

INPIX

• 1D: 3.46%
• 1M: 13.23%
• YTD: 9.45%
• 6M: 7.62%
• 1Y: 17.11%
• 3Y*: 27.73%
• 5Y*: 0.07%
• 10Y*: 23.54%

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)

INPIX vs. SOPIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
INPIX ProFunds Internet UltraSector Fund	9.45%	9.88%	41.50%	76.21%	-63.24%	-1.09%	254.85%	25.95%	4.78%	44.61%
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 INPIX and SOPIX is -0.75, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.75
Correlation (3Y) Calculated over the trailing 3-year period	-0.81
Correlation (5Y) Calculated over the trailing 5-year period	-0.86
Correlation (10Y) Calculated over the trailing 10-year period	-0.87
Correlation (All Time) Calculated using the full available price history since Jan 3, 2003	-0.87

The correlation between INPIX and SOPIX shifts across timeframes, from -0.87 (all time) to -0.75 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

INPIX vs. SOPIX — Risk / Return Rank

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

INPIX

INPIX Risk / Return Rank: 7
INPIX Sharpe Ratio Rank: 8
INPIX Sortino Ratio Rank: 8
INPIX Omega Ratio Rank: 8
INPIX Calmar Ratio Rank: 6
INPIX Martin Ratio Rank: 5

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.

INPIX vs. SOPIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProFunds Internet UltraSector Fund (INPIX) 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.

	INPIX	SOPIX	Difference
Sharpe ratio Return per unit of total volatility	0.65	-1.74	+2.39
Sortino ratio Return per unit of downside risk	1.03	-2.61	+3.64
Omega ratio Gain probability vs. loss probability	1.13	0.73	+0.40
Calmar ratio Return relative to maximum drawdown	0.61	-1.00	+1.61
Martin ratio Return relative to average drawdown	1.47	-2.10	+3.57
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

INPIX vs. SOPIX - Sharpe Ratio Comparison

The current INPIX Sharpe Ratio is 0.65, which is higher than the SOPIX Sharpe Ratio of -1.74. The chart below compares the historical Sharpe Ratios of INPIX 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

	INPIX	SOPIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.65	-1.74	+2.39
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.00	-0.72	+0.72
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.48	-0.92	+1.40
Sharpe Ratio (All Time) Calculated using the full available price history	0.12	-0.81	+0.93

Drawdowns

INPIX vs. SOPIX - Drawdown Comparison

The maximum INPIX drawdown since its inception was -95.64%, roughly equal to the maximum SOPIX drawdown of -99.06%. Use the drawdown chart below to compare losses from any high point for INPIX and SOPIX.

Drawdown Indicators

	INPIX	SOPIX	Difference
Max Drawdown Largest peak-to-trough decline	-95.64%	-99.06%	+3.42%
Max Drawdown (1Y) Largest decline over 1 year	-32.04%	-27.12%	-4.92%
Max Drawdown (3Y) Largest decline over 3 years	-35.68%	-54.67%	+18.99%
Max Drawdown (5Y) Largest decline over 5 years	-73.41%	-64.84%	-8.57%
Max Drawdown (10Y) Largest decline over 10 years	-73.41%	-90.82%	+17.41%
Current Drawdown Current decline from peak	-14.05%	-99.06%	+85.01%
Average Drawdown Average peak-to-trough decline	-46.24%	-76.13%	+29.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.27%	13.18%	+0.09%

Volatility

INPIX vs. SOPIX - Volatility Comparison

ProFunds Internet UltraSector Fund (INPIX) has a higher volatility of 6.59% compared to ProFunds Short NASDAQ-100 Fund (SOPIX) at 4.55%. This indicates that INPIX's price experiences larger fluctuations and is considered to be riskier than SOPIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	INPIX	SOPIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.59%	4.55%	+2.04%
Volatility (6M) Calculated over the trailing 6-month period	21.57%	12.18%	+9.39%
Volatility (1Y) Calculated over the trailing 1-year period	28.45%	16.04%	+12.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	41.03%	23.38%	+17.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	49.69%	22.49%	+27.20%

INPIX vs. SOPIX - Expense Ratio Comparison

INPIX has a 1.48% expense ratio, which is lower than SOPIX's 1.78% expense ratio.

Dividends

INPIX vs. SOPIX - Dividend Comparison

INPIX has not paid dividends to shareholders, while SOPIX's dividend yield for the trailing twelve months is around 2.57%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
INPIX ProFunds Internet UltraSector Fund	0.00%	0.00%	0.00%	0.00%	0.00%	9.45%	21.43%	0.13%	0.00%	0.00%	0.18%	6.69%
SOPIX ProFunds Short NASDAQ-100 Fund	2.57%	2.14%	0.00%	6.71%	0.00%	0.00%	0.00%	0.29%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both INPIX and SOPIX in my portfolio?

INPIX and SOPIX have a correlation of -0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, INPIX or SOPIX?

INPIX has higher volatility (6.59%) compared to SOPIX (4.55%). In terms of maximum drawdown, INPIX dropped -95.64% vs SOPIX's -99.06%.

Which has better risk-adjusted returns?

INPIX currently has the higher Sharpe Ratio (0.65 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.