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BSPIX vs. BTMKX
Performance
Return for Risk
Dividends
Drawdowns
Volatility

BSPIX vs. BTMKX

Last updated Apr 2, 2026

Compare and contrast key facts about iShares S&P 500 Index Fund Institutional Class (BSPIX) and iShares MSCI EAFE International Index Fund (BTMKX).

BSPIX is a passively managed fund by iShares that tracks the performance of the S&P 500 Index. It was launched on Apr 28, 1993. BTMKX is a passively managed fund by iShares that tracks the performance of the MSCI EAFE Index. It was launched on Apr 1, 2011. Both BSPIX and BTMKX 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

BSPIX vs. BTMKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares S&P 500 Index Fund Institutional Class (BSPIX) and iShares MSCI EAFE International Index Fund (BTMKX). The values are adjusted to include any dividend payments, if applicable.

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BSPIX vs. BTMKX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
BSPIX
iShares S&P 500 Index Fund Institutional Class		-4.63%17.75%24.85%26.17%-18.20%28.55%18.35%31.35%-4.87%21.20%
BTMKX
iShares MSCI EAFE International Index Fund		1.08%31.70%3.70%18.37%-14.04%11.30%8.07%21.96%-13.38%25.17%

Returns By Period

In the year-to-date period, BSPIX achieves a -4.63% return, which is significantly lower than BTMKX's 1.08% return. Over the past 10 years, BSPIX has outperformed BTMKX with an annualized return of 13.85%, while BTMKX has yielded a comparatively lower 8.92% annualized return.

BSPIX

1D
2.64%
1M
-5.29%
YTD
-4.63%
6M
-2.48%
1Y
16.90%
3Y*
18.07%
5Y*
11.61%
10Y*
13.85%

BTMKX

1D
3.05%
1M
-6.31%
YTD
1.08%
6M
4.89%
1Y
23.05%
3Y*
14.59%
5Y*
8.36%
10Y*
8.92%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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iShares S&P 500 Index Fund Institutional Class

iShares MSCI EAFE International Index Fund

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Often compared with BTMKX:
BTMKX vs. vxusBTMKX vs. veaBTMKX vs. VTSNXBTMKX vs. efaBTMKX vs. vgtsxBTMKX vs. vemaxBTMKX vs. SSGVX

BSPIX vs. BTMKX - Expense Ratio Comparison

BSPIX has a 0.10% expense ratio, which is higher than BTMKX's 0.05% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

BSPIX
iShares S&P 500 Index Fund Institutional Class
BTMKX
iShares MSCI EAFE International Index Fund

Return for Risk

BSPIX vs. BTMKX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
BSPIX
BSPIX Risk / Return Rank: 5151
Overall Rank
BSPIX Sharpe Ratio Rank: 4242
Sharpe Ratio Rank
BSPIX Sortino Ratio Rank: 4646
Sortino Ratio Rank
BSPIX Omega Ratio Rank: 4949
Omega Ratio Rank
BSPIX Calmar Ratio Rank: 5454
Calmar Ratio Rank
BSPIX Martin Ratio Rank: 6767
Martin Ratio Rank
BTMKX
BTMKX Risk / Return Rank: 7474
Overall Rank
BTMKX Sharpe Ratio Rank: 7474
Sharpe Ratio Rank
BTMKX Sortino Ratio Rank: 7373
Sortino Ratio Rank
BTMKX Omega Ratio Rank: 7070
Omega Ratio Rank
BTMKX Calmar Ratio Rank: 7979
Calmar Ratio Rank
BTMKX Martin Ratio Rank: 7575
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.

BSPIX vs. BTMKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares S&P 500 Index Fund Institutional Class (BSPIX) and iShares MSCI EAFE International Index Fund (BTMKX). 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.

BSPIXBTMKXDifference

Sharpe ratio

Return per unit of total volatility

0.96

1.36

-0.40

Sortino ratio

Return per unit of downside risk

1.46

1.88

-0.42

Omega ratio

Gain probability vs. loss probability

1.22

1.27

-0.05

Calmar ratio

Return relative to maximum drawdown

1.49

1.95

-0.46

Martin ratio

Return relative to average drawdown

7.12

7.44

-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.

BSPIX vs. BTMKX - Sharpe Ratio Comparison

The current BSPIX Sharpe Ratio is 0.96, which is comparable to the BTMKX Sharpe Ratio of 1.36. The chart below compares the historical Sharpe Ratios of BSPIX and BTMKX, 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

BSPIXBTMKXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.96

1.36

-0.40

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.69

0.53

+0.17

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.77

0.54

+0.23

Sharpe Ratio (All Time)

Calculated using the full available price history

0.73

0.37

+0.37

Correlation

The correlation between BSPIX and BTMKX is 0.77, 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

BSPIX vs. BTMKX - Dividend Comparison

BSPIX's dividend yield for the trailing twelve months is around 1.49%, less than BTMKX's 3.70% yield.

TTM20252024202320222021202020192018201720162015
BSPIX
iShares S&P 500 Index Fund Institutional Class		1.49%1.66%1.35%1.44%1.94%1.76%1.60%1.92%1.94%1.57%2.30%2.42%
BTMKX
iShares MSCI EAFE International Index Fund		3.70%3.74%3.43%3.19%2.80%3.06%1.99%3.34%4.58%2.45%2.85%2.42%

Drawdowns

BSPIX vs. BTMKX - Drawdown Comparison

The maximum BSPIX drawdown since its inception was -33.75%, roughly equal to the maximum BTMKX drawdown of -33.92%. Use the drawdown chart below to compare losses from any high point for BSPIX and BTMKX.

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Drawdown Indicators

BSPIXBTMKXDifference

Max Drawdown

Largest peak-to-trough decline

-33.75%

-33.92%

+0.17%

Max Drawdown (1Y)

Largest decline over 1 year

-12.11%

-11.30%

-0.81%

Max Drawdown (5Y)

Largest decline over 5 years

-24.55%

-29.23%

+4.68%

Max Drawdown (10Y)

Largest decline over 10 years

-33.75%

-33.92%

+0.17%

Current Drawdown

Current decline from peak

-6.50%

-8.16%

+1.66%

Average Drawdown

Average peak-to-trough decline

-3.98%

-7.82%

+3.84%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.53%

2.96%

-0.43%

Volatility

BSPIX vs. BTMKX - Volatility Comparison

The current volatility for iShares S&P 500 Index Fund Institutional Class (BSPIX) is 5.18%, while iShares MSCI EAFE International Index Fund (BTMKX) has a volatility of 7.75%. This indicates that BSPIX experiences smaller price fluctuations and is considered to be less risky than BTMKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

BSPIXBTMKXDifference

Volatility (1M)

Calculated over the trailing 1-month period

5.18%

7.75%

-2.57%

Volatility (6M)

Calculated over the trailing 6-month period

9.45%

11.22%

-1.77%

Volatility (1Y)

Calculated over the trailing 1-year period

18.21%

17.21%

+1.00%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.88%

16.00%

+0.88%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

18.00%

16.60%

+1.40%