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ITOT vs. SPTM
Performance
Return for Risk
Drawdowns
Volatility
Dividends

ITOT vs. SPTM

Last updated Jun 4, 2026

ITOT (iShares Core S&P Total U.S. Stock Market ETF) and SPTM (SPDR Portfolio S&P 1500 Composite Stock Market ETF) are both Large Cap Blend Equities funds - ITOT tracks the S&P Total Market Index while SPTM tracks the S&P Composite 1500 Index. Both are passively managed. Over the past 10 years, ITOT returned 15.01%/yr vs 15.21%/yr for SPTM. Their correlation of 0.95 suggests significant overlap in exposure. Both charge a 0.03% expense ratio.

Performance

ITOT vs. SPTM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Core S&P Total U.S. Stock Market ETF (ITOT) and SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

The year-to-date returns for both stocks are quite close, with ITOT having a 11.25% return and SPTM slightly lower at 11.10%. Both investments have delivered pretty close results over the past 10 years, with ITOT having a 15.01% annualized return and SPTM not far ahead at 15.21%.

ITOT

1D
-0.73%
1M
5.01%
YTD
11.25%
6M
11.12%
1Y
28.12%
3Y*
22.09%
5Y*
12.69%
10Y*
15.01%

SPTM

1D
-0.67%
1M
4.87%
YTD
11.10%
6M
11.13%
1Y
27.84%
3Y*
21.90%
5Y*
13.38%
10Y*
15.21%
*Multi-year figures are annualized to reflect compound growth (CAGR)

ITOT vs. SPTM - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
ITOT
iShares Core S&P Total U.S. Stock Market ETF		11.25%17.00%23.80%26.12%-19.47%25.68%20.71%30.67%-5.33%21.37%
SPTM
SPDR Portfolio S&P 1500 Composite Stock Market ETF		11.10%16.93%23.87%25.55%-17.75%28.58%17.94%31.34%-5.30%21.18%

Correlation

The correlation between ITOT and SPTM is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

1.00

Correlation (3Y)
Calculated over the trailing 3-year period

1.00

Correlation (5Y)
Calculated over the trailing 5-year period

1.00

Correlation (10Y)
Calculated over the trailing 10-year period

0.99

Correlation (All Time)
Calculated using the full available price history since Jan 26, 2004

0.95

The correlation between ITOT and SPTM has been stable across timeframes, ranging from 0.95 to 1.00 - a consistent structural relationship.

ITOT vs. SPTM - Sectors Allocation Comparison

Sectors
ITOT
SPTM

Technology

33.8%
34.0%

Financial Services

12.1%
12.1%

Communication Services

10.3%
10.5%

Consumer Cyclical

10.1%
10.3%

Industrials

9.5%
9.4%

Healthcare

9.0%
8.6%

Consumer Defensive

4.7%
4.8%

Energy

3.7%
3.7%

Real Estate

2.4%
2.3%

Utilities

2.3%
2.3%

Basic Materials

2.1%
2.0%

Technology

ITOT
33.8%
SPTM
34.0%

Financial Services

ITOT
12.1%
SPTM
12.1%

Communication Services

ITOT
10.3%
SPTM
10.5%

Consumer Cyclical

ITOT
10.1%
SPTM
10.3%

Industrials

ITOT
9.5%
SPTM
9.4%

Healthcare

ITOT
9.0%
SPTM
8.6%

Consumer Defensive

ITOT
4.7%
SPTM
4.8%

Energy

ITOT
3.7%
SPTM
3.7%

Real Estate

ITOT
2.4%
SPTM
2.3%

Utilities

ITOT
2.3%
SPTM
2.3%

Basic Materials

ITOT
2.1%
SPTM
2.0%

Compare stocks, funds, or ETFs

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

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

SPDR Portfolio S&P 1500 Composite Stock Market ETF

Often compared with ITOT:
ITOT vs. VTIITOT vs. VOOITOT vs. SCHBITOT vs. SPYITOT vs. FSKAXITOT vs. IVVITOT vs. IXUS
Often compared with SPTM:
SPTM vs. VTISPTM vs. SPYSPTM vs. VOOSPTM vs. SCHGSPTM vs. BKLCSPTM vs. SCHDSPTM vs. VT

Return for Risk

ITOT vs. SPTM — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
ITOT
ITOT Risk / Return Rank: 6868
Overall Rank
ITOT Sharpe Ratio Rank: 6969
Sharpe Ratio Rank
ITOT Sortino Ratio Rank: 6868
Sortino Ratio Rank
ITOT Omega Ratio Rank: 6767
Omega Ratio Rank
ITOT Calmar Ratio Rank: 6363
Calmar Ratio Rank
ITOT Martin Ratio Rank: 7575
Martin Ratio Rank
SPTM
SPTM Risk / Return Rank: 7070
Overall Rank
SPTM Sharpe Ratio Rank: 7070
Sharpe Ratio Rank
SPTM Sortino Ratio Rank: 6969
Sortino Ratio Rank
SPTM Omega Ratio Rank: 6969
Omega Ratio Rank
SPTM Calmar Ratio Rank: 6464
Calmar Ratio Rank
SPTM Martin Ratio Rank: 7676
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.

ITOT vs. SPTM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core S&P Total U.S. Stock Market ETF (ITOT) and SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM). 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.

ITOTSPTMDifference
Sharpe ratioReturn per unit of total volatility
2.32
2.36

-0.04

Sortino ratioReturn per unit of downside risk
3.17
3.23

-0.06

Omega ratioGain probability vs. loss probability

1.42

1.43

-0.01

Calmar ratioReturn relative to maximum drawdown

3.17

3.22

-0.05

Martin ratioReturn relative to average drawdown

14.57

15.01

-0.44

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

ITOT vs. SPTM - Sharpe Ratio Comparison

The current ITOT Sharpe Ratio is 2.32, which is comparable to the SPTM Sharpe Ratio of 2.36. The chart below compares the historical Sharpe Ratios of ITOT and SPTM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Sharpe Ratios by Period

ITOTSPTMDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.32

2.36

-0.04

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.74

0.80

-0.06

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.82

0.85

-0.02

Sharpe Ratio (All Time)

Calculated using the full available price history

0.57

0.46

+0.11

Drawdowns

ITOT vs. SPTM - Drawdown Comparison

The maximum ITOT drawdown since its inception was -55.20%, roughly equal to the maximum SPTM drawdown of -54.80%. Use the drawdown chart below to compare losses from any high point for ITOT and SPTM.

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Drawdown Indicators

ITOTSPTMDifference

Max Drawdown

Largest peak-to-trough decline

-55.20%

-54.80%

-0.40%

Max Drawdown (1Y)

Largest decline over 1 year

-8.90%

-8.68%

-0.22%

Max Drawdown (3Y)

Largest decline over 3 years

-19.44%

-18.87%

-0.57%

Max Drawdown (5Y)

Largest decline over 5 years

-25.36%

-24.14%

-1.22%

Max Drawdown (10Y)

Largest decline over 10 years

-35.00%

-34.66%

-0.34%

Current Drawdown

Current decline from peak

-0.73%

-0.67%

-0.06%

Average Drawdown

Average peak-to-trough decline

-6.97%

-9.05%

+2.08%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.94%

1.86%

+0.08%

Volatility

ITOT vs. SPTM - Volatility Comparison

iShares Core S&P Total U.S. Stock Market ETF (ITOT) and SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM) have volatilities of 2.99% and 2.88%, 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

ITOTSPTMDifference

Volatility (1M)

Calculated over the trailing 1-month period

2.99%

2.88%

+0.11%

Volatility (6M)

Calculated over the trailing 6-month period

9.13%

8.92%

+0.21%

Volatility (1Y)

Calculated over the trailing 1-year period

12.20%

11.88%

+0.32%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

17.36%

16.87%

+0.49%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.26%

18.03%

+0.23%

ITOT vs. SPTM - Expense Ratio Comparison

Both ITOT and SPTM have an expense ratio of 0.03%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

ITOT vs. SPTM - Dividend Comparison

ITOT's dividend yield for the trailing twelve months is around 0.98%, less than SPTM's 1.04% yield.

PositionTTM20252024202320222021202020192018201720162015
ITOT
iShares Core S&P Total U.S. Stock Market ETF		0.98%1.11%1.23%1.47%1.66%1.18%1.41%1.88%2.14%1.69%1.83%2.01%
SPTM
SPDR Portfolio S&P 1500 Composite Stock Market ETF		1.04%1.13%1.28%1.44%1.69%1.25%1.56%1.72%1.90%1.66%1.91%1.92%

Frequently Asked Questions

With a correlation of 1.00, ITOT and SPTM 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.

ITOT has higher volatility (2.99%) compared to SPTM (2.88%). In terms of maximum drawdown, ITOT dropped -55.20% vs SPTM's -54.80%.

On 10-year performance, SPTM leads with 15.21% vs 15.01% for ITOT. Both ETFs have the same 0.03% expense ratio. On volatility, SPTM has been the lower-risk option at 2.88%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 10-year period, SPTM has performed better with a 15.21% return vs 15.01%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

ITOT and SPTM have the same expense ratio: 0.03% per year.

SPTM has the higher dividend yield at 1.04%, compared with 0.98% for ITOT.

ITOT tracks S&P Total Market Index, while SPTM tracks S&P Composite 1500 Index. They also come from different issuers: iShares and State Street.

SPTM currently has the higher Sharpe Ratio (2.36 vs 2.32), 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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