AFBIX vs. BTCFX
AFBIX (Access Flex Bear High Yield ProFund) and BTCFX (Bitcoin ProFund Investor) are both mutual funds - AFBIX is a Inverse Bonds fund managed by ProFunds, while BTCFX is a Cryptocurrency fund managed by ProFunds. Over the past 3 years, AFBIX returned -4.88%/yr vs 17.18%/yr for BTCFX. At a correlation of -0.33, they often move in opposite directions. AFBIX charges 1.78%/yr vs 1.41%/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 -0.98% return, which is significantly higher than BTCFX's -29.96% return.
AFBIX
- 1D
- 0.11%
- 1M
- -0.51%
- YTD
- -0.98%
- 6M
- -0.91%
- 1Y
- -3.44%
- 3Y*
- -4.88%
- 5Y*
- -1.98%
- 10Y*
- -4.39%
BTCFX
- 1D
- -3.25%
- 1M
- -17.91%
- YTD
- -29.96%
- 6M
- -29.83%
- 1Y
- -43.84%
- 3Y*
- 17.18%
- 5Y*
- —
- 10Y*
- —
AFBIX vs. BTCFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
AFBIX Access Flex Bear High Yield ProFund | -0.98% | -5.24% | -3.07% | -6.30% | 8.01% | -1.20% |
BTCFX Bitcoin ProFund Investor | -29.96% | -11.83% | 102.93% | 133.31% | -64.04% | -3.69% |
Correlation
The correlation between AFBIX and BTCFX is -0.41, 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 | -0.41 |
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 -0.41 (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 (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 | +0.01 | ||
| Sortino ratioReturn per unit of downside risk | +0.11 | ||
| Omega ratioGain probability vs. loss probability | 0.85 | 0.85 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | -1.00 | -0.80 | -0.20 |
| Martin ratioReturn relative to average drawdown | -1.64 | -1.35 | -0.29 |
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Drawdowns
AFBIX vs. BTCFX - Drawdown Comparison
The maximum AFBIX drawdown since its inception was -82.07%, 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 | -82.07% | -77.89% | -4.18% |
Max Drawdown (1Y)Largest decline over 1 year | -3.69% | -53.40% | +49.71% |
Max Drawdown (3Y)Largest decline over 3 years | -17.55% | -53.40% | +35.85% |
Max Drawdown (5Y)Largest decline over 5 years | -21.51% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -36.55% | — | — |
Current DrawdownCurrent decline from peak | -82.03% | -51.97% | -30.06% |
Average DrawdownAverage peak-to-trough decline | -57.84% | -36.09% | -21.75% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.44% | 31.54% | -29.10% |
Volatility
AFBIX vs. BTCFX - Volatility Comparison
The current volatility for Access Flex Bear High Yield ProFund (AFBIX) is 1.14%, while Bitcoin ProFund Investor (BTCFX) has a volatility of 12.95%. 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 | 1.14% | 12.95% | -11.81% |
Volatility (6M)Calculated over the trailing 6-month period | 3.13% | 34.68% | -31.55% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.89% | 44.48% | -40.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.29% | 55.31% | -48.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.91% | 55.31% | -47.40% |
AFBIX vs. BTCFX - Expense Ratio Comparison
AFBIX has a 1.78% expense ratio, which is higher than BTCFX's 1.41% 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 39.95%.
| 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 | 39.95% | 44.62% | 24.28% | 10.95% | 0.00% |
Frequently Asked Questions
AFBIX and BTCFX have a correlation of -0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BTCFX has higher volatility (12.95%) compared to AFBIX (1.14%). In terms of maximum drawdown, AFBIX dropped -82.07% vs BTCFX's -77.89%.
AFBIX currently has the higher Sharpe Ratio (-0.95 vs -0.96), 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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