GRZZX vs. URPIX

Last updated Jun 3, 2026

GRZZX (Grizzly Short Fund) and URPIX (ProFunds UltraBear Fund) are both Inverse Equities funds. Over the past 10 years, GRZZX returned -1.28%/yr vs -28.82%/yr for URPIX. Their correlation of 0.89 suggests significant overlap in exposure. GRZZX charges 1.61%/yr vs 1.78%/yr for URPIX.

Performance

GRZZX vs. URPIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Grizzly Short Fund (GRZZX) and ProFunds UltraBear Fund (URPIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GRZZX achieves a -6.80% return, which is significantly higher than URPIX's -18.08% return. Over the past 10 years, GRZZX has outperformed URPIX with an annualized return of -1.28%, while URPIX has yielded a comparatively lower -28.82% annualized return.

GRZZX

• 1D: -0.48%
• 1M: -5.17%
• YTD: -6.80%
• 6M: -7.02%
• 1Y: -10.88%
• 3Y*: -7.64%
• 5Y*: -3.94%
• 10Y*: -1.28%

URPIX

• 1D: -0.34%
• 1M: -9.24%
• YTD: -18.08%
• 6M: -17.97%
• 1Y: -36.41%
• 3Y*: -30.38%
• 5Y*: -23.45%
• 10Y*: -28.82%

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

GRZZX vs. URPIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GRZZX Grizzly Short Fund	-6.80%	-2.98%	-6.74%	-18.72%	22.43%	-15.87%	-41.33%	-29.43%	301.98%	-19.84%
URPIX ProFunds UltraBear Fund	-18.08%	-27.06%	-32.89%	-31.77%	29.74%	-43.61%	-51.10%	-42.03%	4.20%	-32.58%

Correlation

The correlation between GRZZX and URPIX 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	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Jan 3, 2001	0.89

The correlation between GRZZX and URPIX has been stable across timeframes, ranging from 0.79 to 0.89 - a consistent structural relationship.

Return for Risk

GRZZX vs. URPIX — Risk / Return Rank

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

GRZZX

GRZZX Risk / Return Rank: 1
GRZZX Sharpe Ratio Rank: 1
GRZZX Sortino Ratio Rank: 1
GRZZX Omega Ratio Rank: 1
GRZZX Calmar Ratio Rank: 0
GRZZX Martin Ratio Rank: 0

URPIX

URPIX Risk / Return Rank: 0
URPIX Sharpe Ratio Rank: 0
URPIX Sortino Ratio Rank: 0
URPIX Omega Ratio Rank: 0
URPIX Calmar Ratio Rank: 0
URPIX 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.

GRZZX vs. URPIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Grizzly Short Fund (GRZZX) and ProFunds UltraBear Fund (URPIX). 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.

	GRZZX	URPIX	Difference
Sharpe ratio Return per unit of total volatility	-0.79	-1.56	+0.77
Sortino ratio Return per unit of downside risk	-1.05	-2.45	+1.40
Omega ratio Gain probability vs. loss probability	0.89	0.74	+0.15
Calmar ratio Return relative to maximum drawdown	-0.76	-1.00	+0.24
Martin ratio Return relative to average drawdown	-1.72	-1.75	+0.02
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GRZZX vs. URPIX - Sharpe Ratio Comparison

The current GRZZX Sharpe Ratio is -0.79, which is higher than the URPIX Sharpe Ratio of -1.56. The chart below compares the historical Sharpe Ratios of GRZZX and URPIX, 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

	GRZZX	URPIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.79	-1.56	+0.77
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.20	-0.70	+0.49
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.01	-0.81	+0.80
Sharpe Ratio (All Time) Calculated using the full available price history	-0.11	-0.56	+0.45

Drawdowns

GRZZX vs. URPIX - Drawdown Comparison

The maximum GRZZX drawdown since its inception was -91.80%, smaller than the maximum URPIX drawdown of -99.92%. Use the drawdown chart below to compare losses from any high point for GRZZX and URPIX.

Drawdown Indicators

	GRZZX	URPIX	Difference
Max Drawdown Largest peak-to-trough decline	-91.80%	-99.92%	+8.12%
Max Drawdown (1Y) Largest decline over 1 year	-13.89%	-36.41%	+22.52%
Max Drawdown (3Y) Largest decline over 3 years	-29.48%	-69.78%	+40.30%
Max Drawdown (5Y) Largest decline over 5 years	-37.65%	-76.89%	+39.24%
Max Drawdown (10Y) Largest decline over 10 years	-72.45%	-96.95%	+24.50%
Current Drawdown Current decline from peak	-89.61%	-99.92%	+10.31%
Average Drawdown Average peak-to-trough decline	-69.35%	-79.07%	+9.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.13%	21.11%	-14.98%

Volatility

GRZZX vs. URPIX - Volatility Comparison

The current volatility for Grizzly Short Fund (GRZZX) is 2.94%, while ProFunds UltraBear Fund (URPIX) has a volatility of 5.71%. This indicates that GRZZX experiences smaller price fluctuations and is considered to be less risky than URPIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GRZZX	URPIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.94%	5.71%	-2.77%
Volatility (6M) Calculated over the trailing 6-month period	10.10%	18.11%	-8.01%
Volatility (1Y) Calculated over the trailing 1-year period	13.72%	23.81%	-10.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.53%	33.83%	-14.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	96.66%	35.62%	+61.04%

GRZZX vs. URPIX - Expense Ratio Comparison

GRZZX has a 1.61% expense ratio, which is lower than URPIX's 1.78% expense ratio.

Dividends

GRZZX vs. URPIX - Dividend Comparison

GRZZX's dividend yield for the trailing twelve months is around 5.55%, more than URPIX's 3.33% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
GRZZX Grizzly Short Fund	5.55%	6.00%	10.30%	6.61%	0.00%	0.00%	0.00%	1.14%
URPIX ProFunds UltraBear Fund	3.33%	2.73%	0.00%	3.02%	0.00%	0.00%	0.47%	0.00%

Frequently Asked Questions

Can I hold both GRZZX and URPIX in my portfolio?

GRZZX and URPIX 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, GRZZX or URPIX?

URPIX has higher volatility (5.71%) compared to GRZZX (2.94%). In terms of maximum drawdown, GRZZX dropped -91.80% vs URPIX's -99.92%.

Which has better risk-adjusted returns?

GRZZX currently has the higher Sharpe Ratio (-0.79 vs -1.56), 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.