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BlackRock International Fund of BlackRock Series, ...
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Fund Info

ISIN

US09248G4047

CUSIP

09248G404

Issuer

Blackrock

Inception Date

Oct 30, 1998

Min. Investment

$2,000,000

Asset Class

Equity

Expense Ratio

MAILX has an expense ratio of 0.65%, placing it in the medium range.


Share Price Chart


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Compare to other instruments

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


Performance

Performance Chart


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S&P 500

Returns By Period

BlackRock International Fund of BlackRock Series, Inc. (MAILX) returned 6.45% year-to-date (YTD) and 4.33% over the past 12 months. Over the past 10 years, MAILX returned 4.83% annually, underperforming the S&P 500 benchmark at 10.85%.


MAILX

YTD

6.45%

1M

4.05%

6M

4.35%

1Y

4.33%

3Y*

5.87%

5Y*

7.60%

10Y*

4.83%

^GSPC (Benchmark)

YTD

0.51%

1M

6.15%

6M

-2.00%

1Y

12.92%

3Y*

12.68%

5Y*

14.19%

10Y*

10.85%

*Annualized

Monthly Returns

The table below presents the monthly returns of MAILX, with color gradation from worst to best to easily spot seasonal factors. Returns are adjusted for dividends.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20254.71%2.00%-5.37%1.22%4.05%6.45%
2024-2.40%1.46%4.43%-4.19%4.37%-1.33%1.19%2.58%-0.39%-4.96%2.20%-1.98%0.46%
202311.29%-3.90%2.77%2.14%-4.46%5.80%3.45%-3.62%-5.85%-4.16%11.01%5.62%19.67%
2022-5.02%-4.99%-0.90%-8.19%-0.50%-11.17%5.23%-7.46%-10.71%6.72%14.96%-2.13%-24.24%
20210.14%6.22%2.47%3.13%2.09%-0.40%-1.53%2.36%-1.85%2.82%-7.48%1.62%9.32%
2020-1.62%-6.66%-18.41%9.42%9.22%6.07%3.93%5.90%-1.98%-1.48%12.99%6.82%21.82%
20199.77%3.79%0.19%4.15%-5.58%5.39%0.43%-2.46%1.95%4.57%1.77%4.79%31.77%
20186.19%-7.05%-1.60%0.93%-3.68%-0.00%2.98%-4.05%-0.30%-8.11%-0.39%-7.74%-21.45%
20172.71%2.71%4.37%2.93%3.04%0.25%5.57%0.41%0.65%0.59%2.21%2.70%31.87%
2016-7.69%-1.49%6.06%2.71%0.44%-4.74%5.13%1.67%0.57%-0.14%-3.14%2.16%0.67%
2015-3.00%6.12%-1.97%3.26%3.29%-2.66%0.93%-6.87%-5.75%7.15%0.28%-2.72%-2.99%
2014-5.56%5.41%-1.62%0.73%1.18%2.59%-1.64%1.09%-3.37%-1.18%0.80%-3.38%-5.32%
Go deeper with the Portfolio Analysis tool — backtest performance, assess risk, compare to benchmarks, and more

Risk-Adjusted Performance

Risk-Adjusted Performance Rank

The current rank of MAILX is 20, meaning it’s performing worse than 80% of other mutual funds on our website when it comes to balancing risk and reward. Below is a breakdown of how it compares using common performance measures.


The Risk-Adjusted Performance Rank of MAILX is 2020
Overall Rank
The Sharpe Ratio Rank of MAILX is 1919
Sharpe Ratio Rank
The Sortino Ratio Rank of MAILX is 2020
Sortino Ratio Rank
The Omega Ratio Rank of MAILX is 1919
Omega Ratio Rank
The Calmar Ratio Rank of MAILX is 1919
Calmar Ratio Rank
The Martin Ratio Rank of MAILX is 2222
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

Risk-Adjusted Performance Indicators

The charts below present risk-adjusted performance metrics for BlackRock International Fund of BlackRock Series, Inc. (MAILX) and compare them to a chosen benchmark (^GSPC). These indicators evaluate an investment's returns against its associated risks.


The Sharpe ratio helps investors understand how much return they're getting for the level of risk taken. A higher Sharpe ratio indicates better risk-adjusted performance, meaning more reward for each unit of risk.

BlackRock International Fund of BlackRock Series, Inc. Sharpe ratios as of May 31, 2025 (values are recalculated daily):

  • 1-Year: 0.25
  • 5-Year: 0.42
  • 10-Year: 0.26
  • All Time: 0.21

These values reflect how efficiently the investment has delivered returns relative to its volatility over different time periods. All figures are annualized and based on daily total returns (including price changes and dividends).

The chart below shows the rolling Sharpe ratio of BlackRock International Fund of BlackRock Series, Inc. compared to the selected benchmark. This view highlights how the investment's risk-adjusted performance has changed over time.


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Go to the full Sharpe Ratio tool to analyze any stock or portfolio. Customize time frames, set your own risk-free rate, and more

Dividends

Dividend History

BlackRock International Fund of BlackRock Series, Inc. provided a 0.85% dividend yield over the last twelve months, with an annual payout of $0.18 per share.


0.00%2.00%4.00%6.00%8.00%$0.00$0.50$1.00$1.5020142015201620172018201920202021202220232024
Dividends
Dividend Yield
PeriodTTM20242023202220212020201920182017201620152014
Dividend$0.18$0.18$0.21$0.19$1.62$0.07$0.20$0.25$0.25$0.22$0.09$0.32

Dividend yield

0.85%0.90%1.08%1.13%7.31%0.33%1.11%1.84%1.39%1.63%0.65%2.24%

Monthly Dividends

The table displays the monthly dividend distributions for BlackRock International Fund of BlackRock Series, Inc.. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2025$0.00$0.00$0.00$0.00$0.00$0.00
2024$0.00$0.00$0.00$0.00$0.00$0.00$0.12$0.00$0.00$0.00$0.00$0.06$0.18
2023$0.00$0.00$0.00$0.00$0.00$0.00$0.12$0.00$0.00$0.00$0.00$0.09$0.21
2022$0.00$0.00$0.00$0.00$0.00$0.00$0.14$0.00$0.00$0.00$0.00$0.05$0.19
2021$0.00$0.00$0.00$0.00$0.00$0.00$1.13$0.00$0.00$0.00$0.00$0.49$1.62
2020$0.00$0.00$0.00$0.00$0.00$0.00$0.01$0.00$0.00$0.00$0.00$0.07$0.07
2019$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.20$0.20
2018$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.25$0.25
2017$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.25$0.25
2016$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.22$0.22
2015$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.09$0.09
2014$0.32$0.32

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the BlackRock International Fund of BlackRock Series, Inc.. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the BlackRock International Fund of BlackRock Series, Inc. was 59.57%, occurring on Mar 9, 2009. Recovery took 1140 trading sessions.

The current BlackRock International Fund of BlackRock Series, Inc. drawdown is 10.00%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-59.57%Nov 1, 2007338Mar 9, 20091140Sep 18, 20131478
-53.21%Jan 4, 2000796Mar 12, 2003770Apr 3, 20061566
-41.68%Oct 27, 2021242Oct 12, 2022
-36.34%Jan 30, 2018540Mar 23, 2020111Aug 28, 2020651
-24.5%Jul 7, 2014405Feb 11, 2016302Apr 25, 2017707
Go to the full Drawdowns tool for more analysis options, including inflation-adjusted drawdowns, and more

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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