BMAX vs IVV
REX Bitcoin Corporate Treasury Convertible Bond ETF vs iShares Core S&P 500 ETF
Which is better, BMAX or IVV?
Convertibles against Large Cap Blend.
IVV has a lower expense ratio. IVV led over 1Y and the full window.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | BMAX | IVV |
|---|---|---|
| Expense Ratio | 1.14% | 0.03%Best |
| AUM | $6M | $876.4B |
| Dividend Yield | 0.00% | 1.06% |
| Holdings | 15 | 508 |
| Volatility (annualized) | 22.4% | 10.6%Best |
| Max Drawdown | -31.3% | -13.7%Best |
| $10,000 over 1.1 years | $9,030 | $12,427Best |
| Fund Family | REX Shares | iShares by BlackRock (US) |
| Category | Convertible | Equity |
| Style | Convertibles | Large Cap Blend |
| Inception | Mar 14, 2025 | May 15, 2000 |
Not shown on this pair: YTD Return, 1Y Return, 3Y Return (annualized), 5Y Return (annualized), Top 10 Weight.
The two price series end 158 days apart, so a return over any period would be measuring two different stretches of market. Those rows are withheld. BMAX has data through Apr 13, 2026 and IVV through Sep 18, 2026.
Volatility and max drawdown, and the $10,000 over 1.1 years row, are measured over the window both funds cover: Mar 14, 2025 to Apr 13, 2026 (1.1 years).
Risk: Volatility and Drawdowns
BMAX has been the more volatile fund, with annualized monthly volatility of 22.4% compared with 10.6% for IVV. 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 -13.7% for IVV. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.15. They move largely independently of each other.
Fees and Cost Over Time
BMAX charges 1.14% per year while IVV charges 0.03%. On a $10,000 position that is $114 vs $3 annually, a gap of $111 per year that compounds over a long holding period. On income, BMAX currently yields 0.00% against 1.06% for IVV.
Holdings Overlap
We hold position weights for 8 holdings in BMAX and 490 in IVV, totalling 54.0% and 99.3% of the two funds. The two books name no position in common, so there is no overlap percentage to show.
The two holdings books were reported 213 days apart, BMAX as of Jan 30, 2026 and IVV as of Aug 31, 2026, so some of the difference between them is the time between the two reports rather than the funds.
0 positions in common, counted across the 8 positions we hold weights for in BMAX and 490 in IVV, against full books of 15 and 508.
You are not choosing between two funds in isolation.
Whichever of BMAX and IVV you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, BMAX or IVV?
BMAX has an expense ratio of 1.14% while IVV charges 0.03%. IVV is the cheaper option, by $111 a year on a $10,000 investment.
Which is riskier, BMAX or IVV?
BMAX has been the more volatile fund at 22.4% annualized versus 10.6% for IVV. Worst drawdown: BMAX -31.3% vs IVV -13.7%.
Should I hold both BMAX and IVV?
BMAX and IVV have a monthly-return correlation of 0.15, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
Which pays a higher dividend, BMAX or IVV?
BMAX yields 0.00% while IVV yields 1.06%, so IVV currently pays the higher dividend yield.
Is IVV better than BMAX?
IVV has a lower expense ratio. IVV led over 1Y and the full window. Which one suits a particular account depends on what it is for. This is information, not a recommendation.