BSPGX vs. SWLGX

Last updated Jun 23, 2026

BSPGX (iShares S&P 500 Index Fund Class G) and SWLGX (Schwab U.S. Large-Cap Growth Index Fund) are both mutual funds - BSPGX is a S&P 500 fund tracking the S&P 500 Index, while SWLGX is a Large Cap Growth Equities fund tracking the Russell 1000 Growth Index. Both are passively managed. Over the past 5 years, BSPGX returned 14.08%/yr vs 14.30%/yr for SWLGX. Their correlation of 0.94 suggests significant overlap in exposure. BSPGX charges 0.01%/yr vs 0.04%/yr for SWLGX.

Performance

BSPGX vs. SWLGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares S&P 500 Index Fund Class G (BSPGX) and Schwab U.S. Large-Cap Growth Index Fund (SWLGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BSPGX achieves a 10.18% return, which is significantly higher than SWLGX's 4.51% return.

BSPGX

• 1D: 1.08%
• 1M: 0.46%
• YTD: 10.18%
• 6M: 9.67%
• 1Y: 27.15%
• 3Y*: 20.96%
• 5Y*: 14.08%
• 10Y*: —

SWLGX

• 1D: 1.38%
• 1M: -1.24%
• YTD: 4.51%
• 6M: 3.85%
• 1Y: 22.81%
• 3Y*: 22.68%
• 5Y*: 14.30%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

BSPGX vs. SWLGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
BSPGX iShares S&P 500 Index Fund Class G	10.18%	17.85%	24.96%	26.27%	-18.12%	28.66%	19.16%	11.06%
SWLGX Schwab U.S. Large-Cap Growth Index Fund	4.51%	18.55%	33.30%	42.67%	-29.17%	27.55%	38.43%	11.18%

Correlation

The correlation between BSPGX and SWLGX is 0.93, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.93
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (All Time) Calculated using the full available price history since Jul 2, 2019	0.94

The correlation between BSPGX and SWLGX has been stable across timeframes, ranging from 0.93 to 0.95 - a consistent structural relationship.

Return for Risk

BSPGX vs. SWLGX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

BSPGX

BSPGX Risk / Return Rank: 66
BSPGX Sharpe Ratio Rank: 65
BSPGX Sortino Ratio Rank: 58
BSPGX Omega Ratio Rank: 60
BSPGX Calmar Ratio Rank: 68
BSPGX Martin Ratio Rank: 79

SWLGX

SWLGX Risk / Return Rank: 22
SWLGX Sharpe Ratio Rank: 26
SWLGX Sortino Ratio Rank: 24
SWLGX Omega Ratio Rank: 25
SWLGX Calmar Ratio Rank: 17
SWLGX Martin Ratio Rank: 19

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

BSPGX vs. SWLGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares S&P 500 Index Fund Class G (BSPGX) and Schwab U.S. Large-Cap Growth Index Fund (SWLGX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	BSPGX	SWLGX	Difference
Sharpe ratio: Return per unit of total volatility	2.17	1.38	+0.79
Sortino ratio: Return per unit of downside risk	2.93	1.90	+1.02
Omega ratio: Gain probability vs. loss probability	1.39	1.24	+0.15
Calmar ratio: Return relative to maximum drawdown	3.03	1.38	+1.66
Martin ratio: Return relative to average drawdown	13.72	4.53	+9.19

BSPGX vs. SWLGX - Sharpe Ratio Comparison

The current BSPGX Sharpe Ratio is 2.17, which is higher than the SWLGX Sharpe Ratio of 1.38. The chart below compares the historical Sharpe Ratios of BSPGX and SWLGX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BSPGX vs. SWLGX - Drawdown Comparison

The maximum BSPGX drawdown since its inception was -33.74%, roughly equal to the maximum SWLGX drawdown of -32.69%. Use the drawdown chart below to compare losses from any high point for BSPGX and SWLGX.

Drawdown Indicators

	BSPGX	SWLGX	Difference
Max Drawdown Largest peak-to-trough decline	-33.74%	-32.69%	-1.05%
Max Drawdown (1Y) Largest decline over 1 year	-8.90%	-16.16%	+7.26%
Max Drawdown (3Y) Largest decline over 3 years	-18.73%	-23.30%	+4.57%
Max Drawdown (5Y) Largest decline over 5 years	-24.50%	-32.69%	+8.19%
Current Drawdown Current decline from peak	-1.36%	-4.13%	+2.77%
Average Drawdown Average peak-to-trough decline	-5.06%	-7.04%	+1.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.96%	4.90%	-2.94%

Volatility

BSPGX vs. SWLGX - Volatility Comparison

The current volatility for iShares S&P 500 Index Fund Class G (BSPGX) is 4.77%, while Schwab U.S. Large-Cap Growth Index Fund (SWLGX) has a volatility of 5.94%. This indicates that BSPGX experiences smaller price fluctuations and is considered to be less risky than SWLGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BSPGX	SWLGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.77%	5.94%	-1.17%
Volatility (6M) Calculated over the trailing 6-month period	9.90%	12.68%	-2.78%
Volatility (1Y) Calculated over the trailing 1-year period	12.47%	16.14%	-3.67%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.98%	21.60%	-4.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.01%	22.69%	-2.68%

BSPGX vs. SWLGX - Expense Ratio Comparison

BSPGX has a 0.01% expense ratio, which is lower than SWLGX's 0.04% 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

BSPGX vs. SWLGX - Dividend Comparison

BSPGX's dividend yield for the trailing twelve months is around 1.60%, more than SWLGX's 0.44% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
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%
SWLGX Schwab U.S. Large-Cap Growth Index Fund	0.44%	0.46%	0.52%	0.67%	0.93%	1.76%	0.67%	0.96%	1.03%

Frequently Asked Questions

Can I hold both BSPGX and SWLGX in my portfolio?

With a correlation of 0.93, BSPGX and SWLGX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, BSPGX or SWLGX?

SWLGX has higher volatility (5.94%) compared to BSPGX (4.77%). In terms of maximum drawdown, BSPGX dropped -33.74% vs SWLGX's -32.69%.

Which has better risk-adjusted returns?

BSPGX currently has the higher Sharpe Ratio (2.17 vs 1.38), 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.