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SPFIX vs. ITOT
Performance
Return for Risk
Dividends
Drawdowns
Volatility

SPFIX vs. ITOT

Last updated Apr 2, 2026

Compare and contrast key facts about Shelton Capital Management S&P 500 Index Fund (SPFIX) and iShares Core S&P Total U.S. Stock Market ETF (ITOT).

SPFIX is a passively managed fund by BlackRock that tracks the performance of the S&P 500 Index. It was launched on Apr 20, 1992. ITOT is a passively managed fund by iShares that tracks the performance of the S&P Composite 1500 Index. It was launched on Jan 20, 2004. Both SPFIX and ITOT 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

SPFIX vs. ITOT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Shelton Capital Management S&P 500 Index Fund (SPFIX) and iShares Core S&P Total U.S. Stock Market ETF (ITOT). The values are adjusted to include any dividend payments, if applicable.

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SPFIX vs. ITOT - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
SPFIX
Shelton Capital Management S&P 500 Index Fund		-4.62%17.23%42.83%25.48%-18.22%27.99%17.41%41.64%-4.68%21.55%
ITOT
iShares Core S&P Total U.S. Stock Market ETF		-3.31%17.00%23.80%26.12%-19.47%25.68%20.71%30.67%-5.33%21.37%

Returns By Period

In the year-to-date period, SPFIX achieves a -4.62% return, which is significantly lower than ITOT's -3.31% return. Over the past 10 years, SPFIX has outperformed ITOT with an annualized return of 16.06%, while ITOT has yielded a comparatively lower 13.65% annualized return.

SPFIX

1D
2.68%
1M
-5.25%
YTD
-4.62%
6M
-2.45%
1Y
16.71%
3Y*
23.11%
5Y*
14.35%
10Y*
16.06%

ITOT

1D
0.72%
1M
-4.34%
YTD
-3.31%
6M
-1.32%
1Y
18.51%
3Y*
18.11%
5Y*
10.62%
10Y*
13.65%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

Shelton Capital Management S&P 500 Index Fund

iShares Core S&P Total U.S. Stock Market ETF

Often compared with SPFIX:
SPFIX vs. VOOSPFIX vs. SWPPXSPFIX vs. FXAIXSPFIX vs. VFIAXSPFIX vs. TISPXSPFIX vs. SPYSPFIX vs. TQQQ
Often compared with ITOT:
ITOT vs. VTIITOT vs. VOOITOT vs. SCHBITOT vs. SPYITOT vs. FSKAXITOT vs. IVVITOT vs. IXUS

SPFIX vs. ITOT - Expense Ratio Comparison

SPFIX has a 0.43% expense ratio, which is higher than ITOT's 0.03% expense ratio.

SPFIX
Shelton Capital Management S&P 500 Index Fund
ITOT
iShares Core S&P Total U.S. Stock Market ETF

Return for Risk

SPFIX vs. ITOT — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
SPFIX
SPFIX Risk / Return Rank: 5454
Overall Rank
SPFIX Sharpe Ratio Rank: 4444
Sharpe Ratio Rank
SPFIX Sortino Ratio Rank: 4848
Sortino Ratio Rank
SPFIX Omega Ratio Rank: 5252
Omega Ratio Rank
SPFIX Calmar Ratio Rank: 5858
Calmar Ratio Rank
SPFIX Martin Ratio Rank: 7070
Martin Ratio Rank
ITOT
ITOT Risk / Return Rank: 5959
Overall Rank
ITOT Sharpe Ratio Rank: 5353
Sharpe Ratio Rank
ITOT Sortino Ratio Rank: 5757
Sortino Ratio Rank
ITOT Omega Ratio Rank: 6060
Omega Ratio Rank
ITOT Calmar Ratio Rank: 5858
Calmar Ratio Rank
ITOT Martin Ratio Rank: 6969
Martin Ratio Rank
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.

SPFIX vs. ITOT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Shelton Capital Management S&P 500 Index Fund (SPFIX) and iShares Core S&P Total U.S. Stock Market ETF (ITOT). 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.

SPFIXITOTDifference

Sharpe ratio

Return per unit of total volatility

0.94

1.00

-0.05

Sortino ratio

Return per unit of downside risk

1.45

1.52

-0.07

Omega ratio

Gain probability vs. loss probability

1.22

1.23

-0.01

Calmar ratio

Return relative to maximum drawdown

1.45

1.53

-0.08

Martin ratio

Return relative to average drawdown

6.94

7.25

-0.31

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SPFIX vs. ITOT - Sharpe Ratio Comparison

The current SPFIX Sharpe Ratio is 0.94, which is comparable to the ITOT Sharpe Ratio of 1.00. The chart below compares the historical Sharpe Ratios of SPFIX and ITOT, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

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Sharpe Ratios by Period

SPFIXITOTDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.94

1.00

-0.05

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.79

0.61

+0.18

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.85

0.75

+0.10

Sharpe Ratio (All Time)

Calculated using the full available price history

0.56

0.54

+0.03

Correlation

The correlation between SPFIX and ITOT is 0.98, 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

SPFIX vs. ITOT - Dividend Comparison

SPFIX's dividend yield for the trailing twelve months is around 3.58%, more than ITOT's 1.12% yield.

TTM20252024202320222021202020192018201720162015
SPFIX
Shelton Capital Management S&P 500 Index Fund		3.58%3.45%27.20%8.08%5.07%5.43%8.06%16.60%2.49%3.01%2.92%4.35%
ITOT
iShares Core S&P Total U.S. Stock Market ETF		1.12%1.11%1.23%1.47%1.66%1.18%1.41%1.88%2.14%1.69%1.83%2.01%

Drawdowns

SPFIX vs. ITOT - Drawdown Comparison

The maximum SPFIX drawdown since its inception was -54.81%, roughly equal to the maximum ITOT drawdown of -55.20%. Use the drawdown chart below to compare losses from any high point for SPFIX and ITOT.

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Drawdown Indicators

SPFIXITOTDifference

Max Drawdown

Largest peak-to-trough decline

-54.81%

-55.20%

+0.39%

Max Drawdown (1Y)

Largest decline over 1 year

-12.11%

-12.34%

+0.23%

Max Drawdown (5Y)

Largest decline over 5 years

-24.69%

-25.36%

+0.67%

Max Drawdown (10Y)

Largest decline over 10 years

-33.83%

-35.00%

+1.17%

Current Drawdown

Current decline from peak

-6.47%

-5.51%

-0.96%

Average Drawdown

Average peak-to-trough decline

-8.99%

-7.02%

-1.97%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.53%

2.61%

-0.08%

Volatility

SPFIX vs. ITOT - Volatility Comparison

The current volatility for Shelton Capital Management S&P 500 Index Fund (SPFIX) is 5.18%, while iShares Core S&P Total U.S. Stock Market ETF (ITOT) has a volatility of 5.49%. This indicates that SPFIX experiences smaller price fluctuations and is considered to be less risky than ITOT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

SPFIXITOTDifference

Volatility (1M)

Calculated over the trailing 1-month period

5.18%

5.49%

-0.31%

Volatility (6M)

Calculated over the trailing 6-month period

9.43%

9.78%

-0.35%

Volatility (1Y)

Calculated over the trailing 1-year period

18.24%

18.68%

-0.44%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

18.23%

17.36%

+0.87%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.86%

18.25%

+0.61%