GRZZX vs. URPIX
GRZZX (Grizzly Short Fund) and URPIX (ProFunds UltraBear Fund) are both Inverse Equities funds. Over the past 10 years, GRZZX returned -1.35%/yr vs -28.77%/yr for URPIX. Their correlation of 0.88 suggests significant overlap in exposure. GRZZX charges 1.61%/yr vs 1.78%/yr for URPIX.
Performance
GRZZX vs. URPIX - Performance Comparison
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Returns By Period
In the year-to-date period, GRZZX achieves a -4.48% return, which is significantly higher than URPIX's -12.93% return. Over the past 10 years, GRZZX has outperformed URPIX with an annualized return of -1.35%, while URPIX has yielded a comparatively lower -28.77% annualized return.
GRZZX
- 1D
- 0.64%
- 1M
- 0.14%
- YTD
- -4.48%
- 6M
- -2.95%
- 1Y
- -5.65%
- 3Y*
- -6.64%
- 5Y*
- -2.94%
- 10Y*
- -1.35%
URPIX
- 1D
- 2.96%
- 1M
- 2.96%
- YTD
- -12.93%
- 6M
- -10.44%
- 1Y
- -29.05%
- 3Y*
- -28.34%
- 5Y*
- -22.01%
- 10Y*
- -28.77%
GRZZX vs. URPIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GRZZX Grizzly Short Fund | -4.48% | -2.98% | -6.74% | -18.72% | 22.43% | -15.87% | -41.33% | -29.43% | 301.98% | -19.84% |
URPIX ProFunds UltraBear Fund | -12.93% | -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 2, 2001 | 0.88 |
The correlation between GRZZX and URPIX has been stable across timeframes, ranging from 0.79 to 0.88 - a consistent structural relationship.
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Return for Risk
GRZZX vs. URPIX — Risk / Return Rank
GRZZX
URPIX
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.
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.
| GRZZX | URPIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.71 | ||
| Sortino ratioReturn per unit of downside risk | +1.21 | ||
| Omega ratioGain probability vs. loss probability | 0.93 | 0.80 | +0.13 |
| Calmar ratioReturn relative to maximum drawdown | -0.51 | -0.92 | +0.41 |
| Martin ratioReturn relative to average drawdown | -1.13 | -1.64 | +0.51 |
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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.
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Drawdown Indicators
| GRZZX | URPIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -91.80% | -99.92% | +8.12% |
Max Drawdown (1Y)Largest decline over 1 year | -13.89% | -33.47% | +19.58% |
Max Drawdown (3Y)Largest decline over 3 years | -29.48% | -69.89% | +40.41% |
Max Drawdown (5Y)Largest decline over 5 years | -37.65% | -76.97% | +39.32% |
Max Drawdown (10Y)Largest decline over 10 years | -72.45% | -96.96% | +24.51% |
Current DrawdownCurrent decline from peak | -89.35% | -99.92% | +10.57% |
Average DrawdownAverage peak-to-trough decline | -69.39% | -79.10% | +9.71% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.39% | 20.26% | -13.87% |
Volatility
GRZZX vs. URPIX - Volatility Comparison
The current volatility for Grizzly Short Fund (GRZZX) is 4.56%, while ProFunds UltraBear Fund (URPIX) has a volatility of 9.79%. 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.
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Volatility by Period
| GRZZX | URPIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.56% | 9.79% | -5.23% |
Volatility (6M)Calculated over the trailing 6-month period | 10.60% | 20.00% | -9.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.04% | 25.22% | -11.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.60% | 34.04% | -14.44% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 96.67% | 35.65% | +61.02% |
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 4.79%, more than URPIX's 3.13% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 |
|---|---|---|---|---|---|---|---|---|
GRZZX Grizzly Short Fund | 4.79% | 6.00% | 10.30% | 6.61% | 0.00% | 0.00% | 0.00% | 1.14% |
URPIX ProFunds UltraBear Fund | 3.13% | 2.73% | 0.00% | 3.02% | 0.00% | 0.00% | 0.47% | 0.00% |
Frequently Asked Questions
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.
URPIX has higher volatility (9.79%) compared to GRZZX (4.56%). In terms of maximum drawdown, GRZZX dropped -91.80% vs URPIX's -99.92%.
GRZZX currently has the higher Sharpe Ratio (-0.51 vs -1.22), 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.
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