BASMX vs. BSPGX
Compare and contrast key facts about iShares Total U.S. Stock Market Index Fund Investor A Shares (BASMX) and iShares S&P 500 Index Fund Class G (BSPGX).
BASMX is a passively managed fund by iShares that tracks the performance of the Russell 3000 Index. It was launched on Aug 13, 2015. BSPGX is a passively managed fund by iShares that tracks the performance of the S&P 500 Index. It was launched on Jul 1, 2019. Both BASMX and BSPGX are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
BASMX vs. BSPGX - Performance Comparison
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BASMX vs. BSPGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
BASMX iShares Total U.S. Stock Market Index Fund Investor A Shares | -6.77% | 16.81% | 23.46% | 25.63% | -19.32% | 25.26% | 20.37% | 9.24% |
BSPGX iShares S&P 500 Index Fund Class G | -7.06% | 17.85% | 24.96% | 26.27% | -18.12% | 28.66% | 19.16% | 11.06% |
Returns By Period
The year-to-date returns for both stocks are quite close, with BASMX having a -6.77% return and BSPGX slightly lower at -7.06%.
BASMX
- 1D
- -0.45%
- 1M
- -7.72%
- YTD
- -6.77%
- 6M
- -4.59%
- 1Y
- 14.36%
- 3Y*
- 16.39%
- 5Y*
- 9.94%
- 10Y*
- 12.98%
BSPGX
- 1D
- -0.39%
- 1M
- -7.68%
- YTD
- -7.06%
- 6M
- -4.62%
- 1Y
- 14.42%
- 3Y*
- 17.15%
- 5Y*
- 11.39%
- 10Y*
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BASMX vs. BSPGX - Expense Ratio Comparison
BASMX has a 0.33% expense ratio, which is higher than BSPGX's 0.01% expense ratio.
Return for Risk
BASMX vs. BSPGX — Risk / Return Rank
BASMX
BSPGX
BASMX vs. BSPGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Total U.S. Stock Market Index Fund Investor A Shares (BASMX) and iShares S&P 500 Index Fund Class G (BSPGX). 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.
| BASMX | BSPGX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.81 | 0.84 | -0.03 |
Sortino ratioReturn per unit of downside risk | 1.27 | 1.30 | -0.03 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.20 | -0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.02 | 1.06 | -0.04 |
Martin ratioReturn relative to average drawdown | 4.92 | 5.14 | -0.22 |
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
| BASMX | BSPGX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.81 | 0.84 | -0.03 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.58 | 0.68 | -0.10 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.71 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.71 | 0.69 | +0.02 |
Correlation
The correlation between BASMX and BSPGX is 0.99, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
BASMX vs. BSPGX - Dividend Comparison
BASMX's dividend yield for the trailing twelve months is around 0.92%, less than BSPGX's 1.60% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
BASMX iShares Total U.S. Stock Market Index Fund Investor A Shares | 0.92% | 0.86% | 0.99% | 1.19% | 1.33% | 1.33% | 1.20% | 1.90% | 2.18% | 1.93% | 1.37% |
BSPGX iShares S&P 500 Index Fund Class G | 1.60% | 1.74% | 1.43% | 1.52% | 2.04% | 1.83% | 2.09% | 2.25% | 0.00% | 0.00% | 0.00% |
Drawdowns
BASMX vs. BSPGX - Drawdown Comparison
The maximum BASMX drawdown since its inception was -34.95%, roughly equal to the maximum BSPGX drawdown of -33.74%. Use the drawdown chart below to compare losses from any high point for BASMX and BSPGX.
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Drawdown Indicators
| BASMX | BSPGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.95% | -33.74% | -1.21% |
Max Drawdown (1Y)Largest decline over 1 year | -12.39% | -12.11% | -0.28% |
Max Drawdown (5Y)Largest decline over 5 years | -25.12% | -24.50% | -0.62% |
Max Drawdown (10Y)Largest decline over 10 years | -34.95% | — | — |
Current DrawdownCurrent decline from peak | -8.92% | -8.90% | -0.02% |
Average DrawdownAverage peak-to-trough decline | -4.65% | -5.19% | +0.54% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.56% | 2.49% | +0.07% |
Volatility
BASMX vs. BSPGX - Volatility Comparison
iShares Total U.S. Stock Market Index Fund Investor A Shares (BASMX) and iShares S&P 500 Index Fund Class G (BSPGX) have volatilities of 4.39% and 4.24%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BASMX | BSPGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.39% | 4.24% | +0.15% |
Volatility (6M)Calculated over the trailing 6-month period | 9.28% | 9.08% | +0.20% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.39% | 18.06% | +0.33% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.34% | 16.85% | +0.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.37% | 20.15% | -1.78% |