SIZE vs. IBIT
SIZE (iShares MSCI USA Size Factor ETF) and IBIT (iShares Bitcoin Trust ETF) are both exchange-traded funds - SIZE is a Mid Cap Blend Equities fund tracking the MSCI USA Low Size 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, SIZE returned 18.11% vs -38.74% for IBIT. At a 0.39 correlation, their price movements are largely independent. SIZE charges 0.15%/yr vs 0.25%/yr for IBIT.
Performance
SIZE vs. IBIT - Performance Comparison
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Returns By Period
In the year-to-date period, SIZE achieves a 9.07% return, which is significantly higher than IBIT's -25.48% return.
SIZE
- 1D
- -0.68%
- 1M
- 3.62%
- YTD
- 9.07%
- 6M
- 8.29%
- 1Y
- 18.11%
- 3Y*
- 15.94%
- 5Y*
- 8.07%
- 10Y*
- 11.76%
IBIT
- 1D
- -2.76%
- 1M
- -18.50%
- YTD
- -25.48%
- 6M
- -29.84%
- 1Y
- -38.74%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
SIZE vs. IBIT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
SIZE iShares MSCI USA Size Factor ETF | 9.07% | 10.51% | 15.61% |
IBIT iShares Bitcoin Trust ETF | -25.48% | -6.41% | 99.21% |
Correlation
The correlation between SIZE and IBIT is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.39 |
Correlation (All Time) Calculated using the full available price history since Jan 12, 2024 | 0.39 |
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Return for Risk
SIZE vs. IBIT — Risk / Return Rank
SIZE
IBIT
SIZE vs. IBIT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares MSCI USA Size Factor ETF (SIZE) 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.
| SIZE | IBIT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.32 | ||
| Sortino ratioReturn per unit of downside risk | +3.35 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 0.86 | +0.39 |
| Calmar ratioReturn relative to maximum drawdown | 2.28 | -0.79 | +3.07 |
| Martin ratioReturn relative to average drawdown | 8.88 | -1.36 | +10.24 |
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
| SIZE | IBIT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.43 | -0.89 | +2.32 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.47 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.63 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.68 | 0.30 | +0.39 |
Drawdowns
SIZE vs. IBIT - Drawdown Comparison
The maximum SIZE drawdown since its inception was -39.15%, smaller than the maximum IBIT drawdown of -49.36%. Use the drawdown chart below to compare losses from any high point for SIZE and IBIT.
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Drawdown Indicators
| SIZE | IBIT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -39.15% | -49.36% | +10.21% |
Max Drawdown (1Y)Largest decline over 1 year | -7.97% | -49.36% | +41.39% |
Max Drawdown (3Y)Largest decline over 3 years | -18.71% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -24.03% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -39.15% | — | — |
Current DrawdownCurrent decline from peak | -0.68% | -48.10% | +47.42% |
Average DrawdownAverage peak-to-trough decline | -4.18% | -16.02% | +11.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.04% | 28.44% | -26.40% |
Volatility
SIZE vs. IBIT - Volatility Comparison
The current volatility for iShares MSCI USA Size Factor ETF (SIZE) is 3.17%, while iShares Bitcoin Trust ETF (IBIT) has a volatility of 9.50%. This indicates that SIZE 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
| SIZE | IBIT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.17% | 9.50% | -6.33% |
Volatility (6M)Calculated over the trailing 6-month period | 9.54% | 34.44% | -24.90% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.73% | 43.73% | -31.00% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.39% | 50.19% | -32.80% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.69% | 50.19% | -31.50% |
SIZE vs. IBIT - Expense Ratio Comparison
SIZE has a 0.15% 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
SIZE vs. IBIT - Dividend Comparison
SIZE's dividend yield for the trailing twelve months is around 1.42%, 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% |
SIZE iShares MSCI USA Size Factor ETF | 1.42% | 1.50% | 1.53% | 1.42% | 1.59% | 1.19% | 1.43% | 1.35% | 2.43% | 1.58% | 1.88% | 1.95% |
Frequently Asked Questions
SIZE and IBIT have a correlation of 0.39, 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 SIZE (3.17%). In terms of maximum drawdown, SIZE dropped -39.15% vs IBIT's -49.36%.
On 1-year performance, SIZE leads with 18.11% vs -38.74% for IBIT. On fees, SIZE is cheaper at 0.15% per year. On volatility, SIZE has been the lower-risk option at 3.17%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, SIZE has performed better with a 18.11% return vs -38.74%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SIZE is cheaper with a 0.15% expense ratio, compared with 0.25% for IBIT.
SIZE has the higher dividend yield at 1.42%, compared with 0.00% for IBIT.
SIZE is categorized as Mid Cap Blend Equities, while IBIT is Cryptocurrency. SIZE tracks MSCI USA Low Size Index, while IBIT tracks CME CF Bitcoin Reference Rate - New York Variant. Their fees differ too: 0.15% for SIZE and 0.25% for IBIT.
SIZE currently has the higher Sharpe Ratio (1.43 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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