MBB vs. IBIT
MBB (iShares MBS Bond ETF) and IBIT (iShares Bitcoin Trust ETF) are both exchange-traded funds - MBB is a Mortgage Backed Securities fund tracking the Barclays Capital U.S. MBS Index, while IBIT is a Cryptocurrency fund tracking the CME CF Bitcoin Reference Rate - New York Variant. Both are passively managed. Over the past year, MBB returned 6.76% vs -38.74% for IBIT. At a 0.05 correlation, their price movements are largely independent. MBB charges 0.06%/yr vs 0.25%/yr for IBIT.
Performance
MBB vs. IBIT - Performance Comparison
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Returns By Period
In the year-to-date period, MBB achieves a 0.58% return, which is significantly higher than IBIT's -25.48% return.
MBB
- 1D
- -0.23%
- 1M
- 0.31%
- YTD
- 0.58%
- 6M
- 0.71%
- 1Y
- 6.76%
- 3Y*
- 4.36%
- 5Y*
- 0.34%
- 10Y*
- 1.30%
IBIT
- 1D
- -2.76%
- 1M
- -18.50%
- YTD
- -25.48%
- 6M
- -29.84%
- 1Y
- -38.74%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MBB vs. IBIT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
MBB iShares MBS Bond ETF | 0.58% | 8.38% | 1.56% |
IBIT iShares Bitcoin Trust ETF | -25.48% | -6.41% | 99.21% |
Correlation
The correlation between MBB and IBIT is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.12 |
Correlation (All Time) Calculated using the full available price history since Jan 12, 2024 | 0.05 |
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Return for Risk
MBB vs. IBIT — Risk / Return Rank
MBB
IBIT
MBB vs. IBIT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares MBS Bond ETF (MBB) and iShares Bitcoin Trust ETF (IBIT). 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.
| MBB | IBIT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.40 | ||
| Sortino ratioReturn per unit of downside risk | +3.44 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 0.86 | +0.41 |
| Calmar ratioReturn relative to maximum drawdown | 2.31 | -0.79 | +3.09 |
| Martin ratioReturn relative to average drawdown | 7.64 | -1.36 | +9.00 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MBB | IBIT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.51 | -0.89 | +2.40 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.05 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.25 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.58 | 0.30 | +0.29 |
Drawdowns
MBB vs. IBIT - Drawdown Comparison
The maximum MBB drawdown since its inception was -17.64%, smaller than the maximum IBIT drawdown of -49.36%. Use the drawdown chart below to compare losses from any high point for MBB and IBIT.
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Drawdown Indicators
| MBB | IBIT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.64% | -49.36% | +31.72% |
Max Drawdown (1Y)Largest decline over 1 year | -2.94% | -49.36% | +46.42% |
Max Drawdown (3Y)Largest decline over 3 years | -7.68% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -17.19% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -17.64% | — | — |
Current DrawdownCurrent decline from peak | -1.52% | -48.10% | +46.58% |
Average DrawdownAverage peak-to-trough decline | -2.35% | -16.02% | +13.67% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.89% | 28.44% | -27.55% |
Volatility
MBB vs. IBIT - Volatility Comparison
The current volatility for iShares MBS Bond ETF (MBB) is 1.59%, while iShares Bitcoin Trust ETF (IBIT) has a volatility of 9.50%. This indicates that MBB experiences smaller price fluctuations and is considered to be less risky than IBIT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MBB | IBIT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.59% | 9.50% | -7.91% |
Volatility (6M)Calculated over the trailing 6-month period | 3.23% | 34.44% | -31.21% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.51% | 43.73% | -39.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.81% | 50.19% | -43.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.31% | 50.19% | -44.88% |
MBB vs. IBIT - Expense Ratio Comparison
MBB has a 0.06% expense ratio, which is lower than IBIT's 0.25% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
MBB vs. IBIT - Dividend Comparison
MBB's dividend yield for the trailing twelve months is around 4.28%, while IBIT has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBIT iShares Bitcoin Trust ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
MBB iShares MBS Bond ETF | 4.28% | 4.21% | 3.94% | 3.40% | 2.31% | 1.05% | 2.10% | 2.77% | 2.64% | 2.23% | 2.58% | 2.66% |
Frequently Asked Questions
MBB and IBIT have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBIT has higher volatility (9.50%) compared to MBB (1.59%). In terms of maximum drawdown, MBB dropped -17.64% vs IBIT's -49.36%.
On 1-year performance, MBB leads with 6.76% vs -38.74% for IBIT. On fees, MBB is cheaper at 0.06% per year. On volatility, MBB has been the lower-risk option at 1.59%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, MBB has performed better with a 6.76% return vs -38.74%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
MBB is cheaper with a 0.06% expense ratio, compared with 0.25% for IBIT.
MBB has the higher dividend yield at 4.28%, compared with 0.00% for IBIT.
MBB is categorized as Mortgage Backed Securities, while IBIT is Cryptocurrency. MBB tracks Barclays Capital U.S. MBS Index, while IBIT tracks CME CF Bitcoin Reference Rate - New York Variant. Their fees differ too: 0.06% for MBB and 0.25% for IBIT.
MBB currently has the higher Sharpe Ratio (1.51 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.
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