BTCFX vs. TIBAX

Last updated Jun 4, 2026

BTCFX (Bitcoin ProFund Investor) and TIBAX (Thornburg Investment Income Builder Fund) are both mutual funds - BTCFX is a Cryptocurrency fund managed by ProFunds, while TIBAX is a Global Allocation fund managed by Thornburg. Over the past 3 years, BTCFX returned 25.47%/yr vs 26.52%/yr for TIBAX. At a 0.29 correlation, their price movements are largely independent. BTCFX charges 1.41%/yr vs 1.14%/yr for TIBAX.

Performance

BTCFX vs. TIBAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Bitcoin ProFund Investor (BTCFX) and Thornburg Investment Income Builder Fund (TIBAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BTCFX achieves a -24.39% return, which is significantly lower than TIBAX's 17.92% return.

BTCFX

• 1D: -6.10%
• 1M: -16.39%
• YTD: -24.39%
• 6M: -29.06%
• 1Y: -39.91%
• 3Y*: 25.47%
• 5Y*: —
• 10Y*: —

TIBAX

• 1D: 0.63%
• 1M: 3.10%
• YTD: 17.92%
• 6M: 21.20%
• 1Y: 39.47%
• 3Y*: 26.52%
• 5Y*: 16.15%
• 10Y*: 12.42%

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

BTCFX vs. TIBAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
BTCFX Bitcoin ProFund Investor	-24.39%	-11.83%	102.93%	133.31%	-64.04%	-3.69%
TIBAX Thornburg Investment Income Builder Fund	17.92%	36.62%	13.23%	18.01%	-7.95%	6.91%

Correlation

The correlation between BTCFX and TIBAX is 0.25, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.25
Correlation (3Y) Calculated over the trailing 3-year period	0.20
Correlation (All Time) Calculated using the full available price history since Aug 10, 2021	0.29

Return for Risk

BTCFX vs. TIBAX — Risk / Return Rank

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

BTCFX

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

TIBAX

TIBAX Risk / Return Rank: 98
TIBAX Sharpe Ratio Rank: 99
TIBAX Sortino Ratio Rank: 98
TIBAX Omega Ratio Rank: 97
TIBAX Calmar Ratio Rank: 97
TIBAX Martin Ratio Rank: 98

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.

BTCFX vs. TIBAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bitcoin ProFund Investor (BTCFX) and Thornburg Investment Income Builder Fund (TIBAX). 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.

	BTCFX	TIBAX	Difference
Sharpe ratio Return per unit of total volatility	-0.89	4.75	-5.64
Sortino ratio Return per unit of downside risk	-1.22	6.82	-8.04
Omega ratio Gain probability vs. loss probability	0.86	1.96	-1.10
Calmar ratio Return relative to maximum drawdown	-0.77	7.36	-8.13
Martin ratio Return relative to average drawdown	-1.33	28.70	-30.04
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BTCFX vs. TIBAX - Sharpe Ratio Comparison

The current BTCFX Sharpe Ratio is -0.89, which is lower than the TIBAX Sharpe Ratio of 4.75. The chart below compares the historical Sharpe Ratios of BTCFX and TIBAX, 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

	BTCFX	TIBAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.89	4.75	-5.64
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.46	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.93	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.03	0.80	-0.76

Drawdowns

BTCFX vs. TIBAX - Drawdown Comparison

The maximum BTCFX drawdown since its inception was -77.89%, which is greater than TIBAX's maximum drawdown of -49.12%. Use the drawdown chart below to compare losses from any high point for BTCFX and TIBAX.

Drawdown Indicators

	BTCFX	TIBAX	Difference
Max Drawdown Largest peak-to-trough decline	-77.89%	-49.12%	-28.77%
Max Drawdown (1Y) Largest decline over 1 year	-50.35%	-5.43%	-44.92%
Max Drawdown (3Y) Largest decline over 3 years	-50.35%	-9.20%	-41.15%
Max Drawdown (5Y) Largest decline over 5 years	—	-20.94%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-34.85%	—
Current Drawdown Current decline from peak	-48.15%	0.00%	-48.15%
Average Drawdown Average peak-to-trough decline	-35.94%	-5.99%	-29.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	29.17%	1.39%	+27.78%

Volatility

BTCFX vs. TIBAX - Volatility Comparison

Bitcoin ProFund Investor (BTCFX) has a higher volatility of 9.82% compared to Thornburg Investment Income Builder Fund (TIBAX) at 3.12%. This indicates that BTCFX's price experiences larger fluctuations and is considered to be riskier than TIBAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BTCFX	TIBAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.82%	3.12%	+6.70%
Volatility (6M) Calculated over the trailing 6-month period	35.00%	6.97%	+28.03%
Volatility (1Y) Calculated over the trailing 1-year period	43.90%	8.42%	+35.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	55.42%	11.12%	+44.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	55.42%	13.46%	+41.96%

BTCFX vs. TIBAX - Expense Ratio Comparison

BTCFX has a 1.41% expense ratio, which is higher than TIBAX's 1.14% expense ratio.

Dividends

BTCFX vs. TIBAX - Dividend Comparison

BTCFX's dividend yield for the trailing twelve months is around 37.01%, more than TIBAX's 4.85% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BTCFX Bitcoin ProFund Investor	37.01%	44.62%	24.28%	10.95%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
TIBAX Thornburg Investment Income Builder Fund	4.85%	5.64%	5.44%	4.67%	5.62%	5.10%	4.11%	4.23%	4.49%	4.22%	3.83%	4.31%

Frequently Asked Questions

Can I hold both BTCFX and TIBAX in my portfolio?

BTCFX and TIBAX have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BTCFX or TIBAX?

BTCFX has higher volatility (9.82%) compared to TIBAX (3.12%). In terms of maximum drawdown, BTCFX dropped -77.89% vs TIBAX's -49.12%.

Which has better risk-adjusted returns?

TIBAX currently has the higher Sharpe Ratio (4.75 vs -0.89), 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.