Quick Verdict

SPY has a lower expense ratio. SPY delivered stronger 1-year returns. SPY offers more diversification with 503 holdings.

Lower Fees: SPYHigher Returns: SPYMore Diversified: SPY

Side-by-Side Comparison

MetricBMAXSPYWinner
Expense Ratio1.14%0.09%
AUM$6M$789.1B
Dividend Yield0.00%1.01%
Holdings15505
YTD Return+3.22%+13.79%
1Y Return-8.11%+23.66%
3Y Return (annualized)-+21.40%
5Y Return (annualized)-+13.37%
Volatility (annualized)22.4%15.3%
Max Drawdown-31.3%-56.5%
Fund FamilyREX SharesState Street Investment Management
CategoryConvertibleEquity
InceptionMar 14, 2025Jan 22, 1993

BMAX vs SPY Performance

REX Bitcoin Corporate Treasury Convertible Bond ETF (BMAX) is a ETF from REX Shares and State Street SPDR S&P 500 ETF Trust (SPY) is a ETF from State Street Investment Management. Over the past year BMAX returned -8.11% while SPY returned +23.66%. Year to date, BMAX is up 3.22% versus a gain of 13.79% for SPY.

Risk: Volatility and Drawdowns

BMAX has been the more volatile fund, with annualized monthly volatility of 22.4% compared with 15.3% for SPY. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.

The deepest peak-to-trough decline in our data was -31.3% for BMAX and -56.5% for SPY. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.

The two funds' monthly returns correlate at 0.15. They move independently enough that combining them can meaningfully diversify a portfolio.

Fees and Cost Over Time

BMAX charges 1.14% per year while SPY charges 0.09%. On a $10,000 position that is $114 vs $9 annually, a gap of $105 per year that compounds over a long holding period. On income, BMAX currently yields 0.00% against 1.01% for SPY.

Holdings Overlap

0.0%overlap

BMAX and SPY share 0 holdings out of 511 unique holdings combined, representing a 0.0% weight overlap.

Moderate overlap means holding both could provide meaningful diversification benefits.

Frequently Asked Questions

Which is cheaper, BMAX or SPY?

BMAX has an expense ratio of 1.14% while SPY charges 0.09%. SPY is the cheaper option. On a $10,000 investment, that is $105 per year of difference.

Which performed better, BMAX or SPY?

Over the past year BMAX returned -8.11% vs +23.66% for SPY, so SPY leads on 1-year performance. Over the longest common window we track (1 years), BMAX annualized -8.86% vs +8.85% for SPY. Past performance does not guarantee future results.

Which is riskier, BMAX or SPY?

BMAX has been the more volatile fund at 22.4% annualized versus 15.3% for SPY. Worst drawdown: BMAX -31.3% vs SPY -56.5%.

Should I hold both BMAX and SPY?

BMAX and SPY have a monthly-return correlation of 0.15, so combining them can provide real diversification depending on your allocation goals.

What is the holdings overlap between BMAX and SPY?

BMAX and SPY share 0 common holdings with a 0.0% weight overlap. Combined, they hold 511 unique securities.

Which pays a higher dividend, BMAX or SPY?

BMAX yields 0.00% while SPY yields 1.01%, so SPY currently pays the higher dividend yield.

Get Full ETF Analytics

Access complete holdings data, overlap analysis, screener tools, and more with FundXLS.