AFBIX vs. BTCFX
AFBIX (Access Flex Bear High Yield ProFund) and BTCFX (Bitcoin ProFund Investor Class) are both mutual funds - AFBIX is a Inverse Bonds fund managed by ProFunds, while BTCFX is a Cryptocurrency fund actively managed by ProFunds. Over the past 3 years, AFBIX returned -4.63%/yr vs 20.18%/yr for BTCFX. At a correlation of -0.33, they often move in opposite directions. AFBIX charges 1.78%/yr vs 1.18%/yr for BTCFX.
Performance
AFBIX vs. BTCFX - Performance Comparison
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Returns By Period
In the year-to-date period, AFBIX achieves a -1.42% return, which is significantly higher than BTCFX's -27.15% return.
AFBIX
- 1D
- -0.18%
- 1M
- -0.26%
- 6M
- -0.99%
- YTD
- -1.42%
- 1Y
- -3.66%
- 3Y*
- -4.63%
- 5Y*
- -2.05%
- 10Y*
- -4.14%
BTCFX
- 1D
- 0.56%
- 1M
- -1.25%
- 6M
- -32.94%
- YTD
- -27.15%
- 1Y
- -48.07%
- 3Y*
- 20.18%
- 5Y*
- —
- 10Y*
- —
AFBIX vs. BTCFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
AFBIX Access Flex Bear High Yield ProFund | -1.42% | -5.24% | -3.07% | -6.30% | 8.01% | -1.20% |
BTCFX Bitcoin ProFund Investor Class | -27.15% | -11.83% | 102.93% | 133.31% | -64.04% | -3.69% |
Correlation
The correlation between AFBIX and BTCFX is -0.42, 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 | -0.42 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.31 |
Correlation (All Time) Calculated using the full available price history since Aug 9, 2021 | -0.33 |
The correlation between AFBIX and BTCFX shifts across timeframes, from -0.42 (1 year) to -0.31 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
AFBIX vs. BTCFX — Risk / Return Rank
AFBIX
BTCFX
AFBIX vs. BTCFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Access Flex Bear High Yield ProFund (AFBIX) and Bitcoin ProFund Investor Class (BTCFX). 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.
| AFBIX | BTCFX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.03 | ||
| Sortino ratioReturn per unit of downside risk | +0.23 | ||
| Omega ratioGain probability vs. loss probability | 0.84 | 0.82 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | -1.05 | -0.86 | -0.19 |
| Martin ratioReturn relative to average drawdown | -1.77 | -1.38 | -0.40 |
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Drawdowns
AFBIX vs. BTCFX - Drawdown Comparison
The maximum AFBIX drawdown since its inception was -82.12%, which is greater than BTCFX's maximum drawdown of -77.89%. Use the drawdown chart below to compare losses from any high point for AFBIX and BTCFX.
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Drawdown Indicators
| AFBIX | BTCFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -82.12% | -77.89% | -4.23% |
Max Drawdown (1Y)Largest decline over 1 year | -3.63% | -54.81% | +51.18% |
Max Drawdown (3Y)Largest decline over 3 years | -17.80% | -54.81% | +37.01% |
Max Drawdown (5Y)Largest decline over 5 years | -21.74% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -34.75% | — | — |
Current DrawdownCurrent decline from peak | -82.11% | -50.04% | -32.07% |
Average DrawdownAverage peak-to-trough decline | -57.91% | -36.28% | -21.63% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.42% | 34.03% | -31.61% |
Volatility
AFBIX vs. BTCFX - Volatility Comparison
The current volatility for Access Flex Bear High Yield ProFund (AFBIX) is 0.80%, while Bitcoin ProFund Investor Class (BTCFX) has a volatility of 11.65%. This indicates that AFBIX experiences smaller price fluctuations and is considered to be less risky than BTCFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AFBIX | BTCFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.80% | 11.65% | -10.85% |
Volatility (6M)Calculated over the trailing 6-month period | 3.15% | 35.05% | -31.90% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.85% | 44.61% | -40.76% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.29% | 55.13% | -47.84% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.89% | 55.13% | -47.24% |
AFBIX vs. BTCFX - Expense Ratio Comparison
AFBIX has a 1.78% expense ratio, which is higher than BTCFX's 1.18% expense ratio.
Dividends
AFBIX vs. BTCFX - Dividend Comparison
AFBIX has not paid dividends to shareholders, while BTCFX's dividend yield for the trailing twelve months is around 32.22%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
AFBIX Access Flex Bear High Yield ProFund | 0.00% | 0.00% | 0.00% | 0.00% | 0.03% |
BTCFX Bitcoin ProFund Investor Class | 32.22% | 44.62% | 24.28% | 10.95% | 0.00% |
Frequently Asked Questions
AFBIX and BTCFX have a correlation of -0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BTCFX has higher volatility (11.65%) compared to AFBIX (0.80%). In terms of maximum drawdown, AFBIX dropped -82.12% vs BTCFX's -77.89%.
AFBIX currently has the higher Sharpe Ratio (-1.02 vs -1.05), 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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