INPIX vs. FXAIX

Last updated Jun 23, 2026

INPIX (ProFunds Internet UltraSector Fund) and FXAIX (Fidelity 500 Index Fund) are both mutual funds - INPIX is a Leveraged Equities fund managed by ProFunds, while FXAIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, INPIX returned 22.03%/yr vs 15.58%/yr for FXAIX. A 0.79 correlation means they provide meaningful diversification when combined. INPIX charges 1.48%/yr vs 0.02%/yr for FXAIX.

Performance

INPIX vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProFunds Internet UltraSector Fund (INPIX) and Fidelity 500 Index Fund (FXAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, INPIX achieves a -4.25% return, which is significantly lower than FXAIX's 10.19% return. Over the past 10 years, INPIX has outperformed FXAIX with an annualized return of 22.03%, while FXAIX has yielded a comparatively lower 15.58% annualized return.

INPIX

• 1D: 1.68%
• 1M: -4.86%
• YTD: -4.25%
• 6M: -5.61%
• 1Y: 2.32%
• 3Y*: 21.09%
• 5Y*: -3.86%
• 10Y*: 22.03%

FXAIX

• 1D: 1.09%
• 1M: 0.47%
• YTD: 10.19%
• 6M: 9.68%
• 1Y: 27.18%
• 3Y*: 20.98%
• 5Y*: 14.10%
• 10Y*: 15.58%

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

INPIX vs. FXAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
INPIX ProFunds Internet UltraSector Fund	-4.25%	9.88%	41.50%	76.21%	-63.24%	-1.09%	254.85%	25.95%	4.78%	44.61%
FXAIX Fidelity 500 Index Fund	10.19%	17.84%	25.01%	26.29%	-18.14%	28.71%	18.42%	31.48%	-4.43%	21.82%

Correlation

The correlation between INPIX and FXAIX is 0.73, 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	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (5Y) Calculated over the trailing 5-year period	0.81
Correlation (10Y) Calculated over the trailing 10-year period	0.79
Correlation (All Time) Calculated using the full available price history since May 4, 2011	0.79

The correlation between INPIX and FXAIX has been stable across timeframes, ranging from 0.73 to 0.81 - a consistent structural relationship.

Return for Risk

INPIX vs. FXAIX — Risk / Return Rank

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

INPIX

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

FXAIX

FXAIX Risk / Return Rank: 66
FXAIX Sharpe Ratio Rank: 64
FXAIX Sortino Ratio Rank: 59
FXAIX Omega Ratio Rank: 61
FXAIX Calmar Ratio Rank: 68
FXAIX Martin Ratio Rank: 79

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. FXAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProFunds Internet UltraSector Fund (INPIX) and Fidelity 500 Index Fund (FXAIX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	INPIX	FXAIX	Difference
Sharpe ratio: Return per unit of total volatility	0.04	2.17	-2.13
Sortino ratio: Return per unit of downside risk	0.25	2.93	-2.68
Omega ratio: Gain probability vs. loss probability	1.03	1.39	-0.36
Calmar ratio: Return relative to maximum drawdown	0.03	3.04	-3.01
Martin ratio: Return relative to average drawdown	0.08	13.75	-13.67

INPIX vs. FXAIX - Sharpe Ratio Comparison

The current INPIX Sharpe Ratio is 0.04, which is lower than the FXAIX Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of INPIX and FXAIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

INPIX vs. FXAIX - Drawdown Comparison

The maximum INPIX drawdown since its inception was -95.64%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for INPIX and FXAIX.

Drawdown Indicators

	INPIX	FXAIX	Difference
Max Drawdown Largest peak-to-trough decline	-95.64%	-33.79%	-61.85%
Max Drawdown (1Y) Largest decline over 1 year	-32.04%	-8.89%	-23.15%
Max Drawdown (3Y) Largest decline over 3 years	-35.68%	-18.76%	-16.92%
Max Drawdown (5Y) Largest decline over 5 years	-73.41%	-24.50%	-48.91%
Max Drawdown (10Y) Largest decline over 10 years	-73.41%	-33.79%	-39.62%
Current Drawdown Current decline from peak	-24.82%	-1.36%	-23.46%
Average Drawdown Average peak-to-trough decline	-46.19%	-3.79%	-42.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.55%	1.96%	+11.59%

Volatility

INPIX vs. FXAIX - Volatility Comparison

ProFunds Internet UltraSector Fund (INPIX) has a higher volatility of 11.04% compared to Fidelity 500 Index Fund (FXAIX) at 4.77%. This indicates that INPIX's price experiences larger fluctuations and is considered to be riskier than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	INPIX	FXAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.04%	4.77%	+6.27%
Volatility (6M) Calculated over the trailing 6-month period	23.31%	9.91%	+13.40%
Volatility (1Y) Calculated over the trailing 1-year period	29.57%	12.47%	+17.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	41.18%	17.01%	+24.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	49.74%	18.11%	+31.63%

INPIX vs. FXAIX - Expense Ratio Comparison

INPIX has a 1.48% expense ratio, which is higher than FXAIX's 0.02% expense ratio.

Dividends

INPIX vs. FXAIX - Dividend Comparison

INPIX has not paid dividends to shareholders, while FXAIX's dividend yield for the trailing twelve months is around 1.04%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FXAIX Fidelity 500 Index Fund	1.04%	1.11%	1.25%	1.45%	1.69%	1.22%	1.60%	2.06%	2.72%	1.97%	2.52%	2.83%
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%

Frequently Asked Questions

Can I hold both INPIX and FXAIX in my portfolio?

INPIX and FXAIX have a correlation of 0.73, 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 FXAIX?

INPIX has higher volatility (11.04%) compared to FXAIX (4.77%). In terms of maximum drawdown, INPIX dropped -95.64% vs FXAIX's -33.79%.

Which has better risk-adjusted returns?

FXAIX currently has the higher Sharpe Ratio (2.17 vs 0.04), 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.