SPIAX vs. BSPGX
Compare and contrast key facts about Invesco S&P 500 Index A (SPIAX) and iShares S&P 500 Index Fund Class G (BSPGX).
SPIAX is a passively managed fund by Invesco that tracks the performance of the S&P 500. It was launched on Sep 26, 1997. 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 SPIAX 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
SPIAX vs. BSPGX - Performance Comparison
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SPIAX vs. BSPGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
SPIAX Invesco S&P 500 Index A | -7.17% | 17.23% | 24.34% | 25.63% | -18.56% | 27.99% | 17.84% | 9.42% |
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 investments are quite close, with SPIAX having a -7.17% return and BSPGX slightly higher at -7.06%.
SPIAX
- 1D
- -0.39%
- 1M
- -7.71%
- YTD
- -7.17%
- 6M
- -4.82%
- 1Y
- 13.84%
- 3Y*
- 16.56%
- 5Y*
- 10.82%
- 10Y*
- 13.13%
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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SPIAX vs. BSPGX - Expense Ratio Comparison
SPIAX has a 0.54% expense ratio, which is higher than BSPGX's 0.01% expense ratio.
Return for Risk
SPIAX vs. BSPGX — Risk / Return Rank
SPIAX
BSPGX
SPIAX vs. BSPGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco S&P 500 Index A (SPIAX) 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.
| SPIAX | BSPGX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.81 | 0.84 | -0.03 |
Sortino ratioReturn per unit of downside risk | 1.25 | 1.30 | -0.04 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.20 | -0.01 |
Calmar ratioReturn relative to maximum drawdown | 0.95 | 1.06 | -0.11 |
Martin ratioReturn relative to average drawdown | 4.59 | 5.14 | -0.55 |
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
| SPIAX | 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 | 0.65 | 0.68 | -0.03 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.73 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.42 | 0.69 | -0.27 |
Correlation
The correlation between SPIAX 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
SPIAX vs. BSPGX - Dividend Comparison
SPIAX's dividend yield for the trailing twelve months is around 1.09%, less than BSPGX's 1.60% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPIAX Invesco S&P 500 Index A | 1.09% | 1.01% | 1.08% | 1.04% | 1.07% | 1.90% | 1.26% | 1.93% | 2.59% | 1.28% | 1.28% | 1.53% |
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% | 0.00% |
Drawdowns
SPIAX vs. BSPGX - Drawdown Comparison
The maximum SPIAX drawdown since its inception was -55.47%, which is greater than BSPGX's maximum drawdown of -33.74%. Use the drawdown chart below to compare losses from any high point for SPIAX and BSPGX.
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Drawdown Indicators
| SPIAX | BSPGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.47% | -33.74% | -21.73% |
Max Drawdown (1Y)Largest decline over 1 year | -12.15% | -12.11% | -0.04% |
Max Drawdown (5Y)Largest decline over 5 years | -24.81% | -24.50% | -0.31% |
Max Drawdown (10Y)Largest decline over 10 years | -33.84% | — | — |
Current DrawdownCurrent decline from peak | -8.97% | -8.90% | -0.07% |
Average DrawdownAverage peak-to-trough decline | -10.84% | -5.19% | -5.65% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.58% | 2.49% | +0.09% |
Volatility
SPIAX vs. BSPGX - Volatility Comparison
Invesco S&P 500 Index A (SPIAX) and iShares S&P 500 Index Fund Class G (BSPGX) have volatilities of 4.25% 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
| SPIAX | BSPGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.25% | 4.24% | +0.01% |
Volatility (6M)Calculated over the trailing 6-month period | 9.11% | 9.08% | +0.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.17% | 18.06% | +0.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.87% | 16.85% | +0.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.05% | 20.15% | -2.10% |