BLPIX vs. SOPIX

Last updated Jul 17, 2026

BLPIX (ProFunds Bull Investor Fund) and SOPIX (ProFunds Short NASDAQ-100 Fund) are both mutual funds - BLPIX is a Leveraged Equities fund managed by ProFunds, while SOPIX is a Inverse Equities fund managed by ProFunds. Over the past 10 years, BLPIX returned 12.58%/yr vs -20.28%/yr for SOPIX. At a correlation of -0.89, they often move in opposite directions. BLPIX charges 1.50%/yr vs 1.78%/yr for SOPIX.

Performance

BLPIX vs. SOPIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProFunds Bull Investor Fund (BLPIX) 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, BLPIX achieves a 10.25% return, which is significantly higher than SOPIX's -14.03% return. Over the past 10 years, BLPIX has outperformed SOPIX with an annualized return of 12.58%, while SOPIX has yielded a comparatively lower -20.28% annualized return.

BLPIX

• 1D: 0.38%
• 1M: 0.71%
• 6M: 8.71%
• YTD: 10.25%
• 1Y: 20.16%
• 3Y*: 17.29%
• 5Y*: 10.30%
• 10Y*: 12.58%

SOPIX

• 1D: 0.31%
• 1M: 1.56%
• 6M: -13.17%
• YTD: -14.03%
• 1Y: -20.64%
• 3Y*: -19.47%
• 5Y*: -15.00%
• 10Y*: -20.28%

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

BLPIX vs. SOPIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BLPIX ProFunds Bull Investor Fund	10.25%	15.01%	20.24%	24.13%	-19.81%	23.73%	16.04%	28.97%	-6.09%	19.51%
SOPIX ProFunds Short NASDAQ-100 Fund	-14.03%	-15.80%	-23.82%	-31.85%	34.73%	-25.69%	-42.92%	-28.29%	-3.07%	-25.24%

Correlation

The correlation between BLPIX and SOPIX is -0.93, 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	-0.93
Correlation (3Y) Calculated over the trailing 3-year period	-0.92
Correlation (5Y) Calculated over the trailing 5-year period	-0.93
Correlation (10Y) Calculated over the trailing 10-year period	-0.90
Correlation (All Time) Calculated using the full available price history since Jan 2, 2003	-0.89

The correlation between BLPIX and SOPIX has been stable across timeframes, ranging from -0.93 to -0.89 - a consistent structural relationship.

Return for Risk

BLPIX vs. SOPIX — Risk / Return Rank

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

BLPIX

BLPIX Risk / Return Rank: 53
BLPIX Sharpe Ratio Rank: 53
BLPIX Sortino Ratio Rank: 49
BLPIX Omega Ratio Rank: 51
BLPIX Calmar Ratio Rank: 51
BLPIX Martin Ratio Rank: 63

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.

BLPIX vs. SOPIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProFunds Bull Investor Fund (BLPIX) 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.

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.

	BLPIX	SOPIX	Difference
Sharpe ratio: Return per unit of total volatility	1.65	-1.12	+2.77
Sortino ratio: Return per unit of downside risk	2.27	-1.63	+3.90
Omega ratio: Gain probability vs. loss probability	1.30	0.82	+0.47
Calmar ratio: Return relative to maximum drawdown	2.24	-0.84	+3.07
Martin ratio: Return relative to average drawdown	9.68	-1.71	+11.39

BLPIX vs. SOPIX - Sharpe Ratio Comparison

The current BLPIX Sharpe Ratio is 1.65, which is higher than the SOPIX Sharpe Ratio of -1.12. The chart below compares the historical Sharpe Ratios of BLPIX 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.

Drawdowns

BLPIX vs. SOPIX - Drawdown Comparison

The maximum BLPIX drawdown since its inception was -57.98%, smaller than the maximum SOPIX drawdown of -99.07%. Use the drawdown chart below to compare losses from any high point for BLPIX and SOPIX.

Drawdown Indicators

	BLPIX	SOPIX	Difference
Max Drawdown Largest peak-to-trough decline	-57.98%	-99.07%	+41.09%
Max Drawdown (1Y) Largest decline over 1 year	-9.21%	-24.87%	+15.66%
Max Drawdown (3Y) Largest decline over 3 years	-18.98%	-54.87%	+35.89%
Max Drawdown (5Y) Largest decline over 5 years	-26.11%	-65.00%	+38.89%
Max Drawdown (10Y) Largest decline over 10 years	-33.93%	-89.96%	+56.03%
Current Drawdown Current decline from peak	-0.57%	-99.04%	+98.47%
Average Drawdown Average peak-to-trough decline	-13.82%	-76.23%	+62.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.13%	12.15%	-10.02%

Volatility

BLPIX vs. SOPIX - Volatility Comparison

The current volatility for ProFunds Bull Investor Fund (BLPIX) is 3.60%, while ProFunds Short NASDAQ-100 Fund (SOPIX) has a volatility of 7.80%. This indicates that BLPIX 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

	BLPIX	SOPIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.60%	7.80%	-4.20%
Volatility (6M) Calculated over the trailing 6-month period	9.98%	15.22%	-5.24%
Volatility (1Y) Calculated over the trailing 1-year period	12.54%	18.50%	-5.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.05%	23.76%	-6.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.72%	22.63%	-4.91%

BLPIX vs. SOPIX - Expense Ratio Comparison

BLPIX has a 1.50% expense ratio, which is lower than SOPIX's 1.78% expense ratio.

Dividends

BLPIX vs. SOPIX - Dividend Comparison

BLPIX's dividend yield for the trailing twelve months is around 1.43%, less than SOPIX's 2.49% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
BLPIX ProFunds Bull Investor Fund	1.43%	1.58%	0.00%	0.03%	0.98%	6.68%	5.79%	1.64%	0.62%
SOPIX ProFunds Short NASDAQ-100 Fund	2.49%	2.14%	0.00%	6.71%	0.00%	0.00%	0.00%	0.29%	0.00%

Frequently Asked Questions

Can I hold both BLPIX and SOPIX in my portfolio?

BLPIX and SOPIX have a correlation of -0.93, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BLPIX or SOPIX?

SOPIX has higher volatility (7.80%) compared to BLPIX (3.60%). In terms of maximum drawdown, BLPIX dropped -57.98% vs SOPIX's -99.07%.

Which has better risk-adjusted returns?

BLPIX currently has the higher Sharpe Ratio (1.65 vs -1.12), 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.