- ISIN
- US09248G4047
- CUSIP
- 09248G404
- Issuer
- BlackRock
- Inception Date
- Oct 30, 1998
- Category
- Foreign Large Cap Equities
- Min. Investment
- $2,000,000
- Distribution Policy
- Distributing
- Asset Class
- Equity
Share Price Chart
Loading charts...
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Performance
MAILX Performance Chart
BlackRock International Fund of BlackRock Series, Inc. (MAILX) is up 11.7% since the beginning of the year. MAILX is currently trading at $25 per share. Investors who bought $1,000 worth of MAILX shares 5 years ago would now be looking at an investment worth $1,110.
Loading charts...
Returns By Period
BlackRock International Fund of BlackRock Series, Inc. (MAILX) has returned 11.69% so far this year and 20.59% over the past 12 months. Over the last ten years, MAILX has returned 7.96% per year, falling short of the S&P 500 Index benchmark, which averaged 13.75% annually.
BlackRock International Fund of BlackRock Series, Inc.
- 1D
- 0.73%
- 1M
- 6.27%
- YTD
- 11.69%
- 6M
- 14.93%
- 1Y
- 20.59%
- 3Y*
- 11.91%
- 5Y*
- 2.10%
- 10Y*
- 7.96%
Benchmark (S&P 500 Index)
- 1D
- 0.13%
- 1M
- 5.25%
- YTD
- 11.16%
- 6M
- 11.43%
- 1Y
- 28.20%
- 3Y*
- 21.12%
- 5Y*
- 12.66%
- 10Y*
- 13.75%
MAILX Monthly Returns History
Based on dividend-adjusted daily data since Oct 30, 1998, MAILX's average daily return is +0.03%, while the average monthly return is +0.51%. At this rate, an investment would double in approximately 11.4 years.
Historically, 58% of months were positive and 42% were negative. The best month was Nov 2022 with a return of +15.0%, while the worst month was Oct 2008 at -21.7%. The longest winning streak lasted 14 consecutive months, and the longest losing streak was 6 months.
On a daily basis, MAILX closed higher 51% of trading days. The best single day was Oct 13, 2008 with a return of +12.3%, while the worst single day was Mar 16, 2020 at -11.4%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5.14% | 3.43% | -9.42% | 7.19% | 5.00% | 0.73% | 11.69% | ||||||
| 2025 | 4.71% | 2.00% | -5.37% | 1.22% | 4.05% | 1.11% | -3.93% | 3.60% | 3.67% | 1.21% | 0.05% | 2.80% | 15.60% |
| 2024 | -2.40% | 1.46% | 4.43% | -4.19% | 4.37% | -1.33% | 1.19% | 2.09% | 0.10% | -4.96% | 2.20% | -1.98% | 0.46% |
| 2023 | 11.29% | -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% | -5.00% | -0.90% | -8.19% | -0.50% | -11.17% | 5.23% | -7.46% | -10.71% | 6.72% | 14.96% | -2.13% | -24.24% |
| 2021 | 0.14% | 6.22% | 2.47% | 3.13% | 2.09% | -0.40% | -1.53% | 2.36% | -1.85% | 2.82% | -7.48% | 1.62% | 9.32% |
Benchmark Metrics
BlackRock International Fund of BlackRock Series, Inc. has an annualized alpha of -0.61%, beta of 0.80, and R2 of 0.62 versus S&P 500 Index. Calculated based on daily prices since November 02, 1998.
- This fund participated in 102.90% of S&P 500 Index downside but only 91.23% of its upside - more exposed to losses than it benefited from rallies.
- Alpha
- -0.61%
- Beta
- 0.80
- R²
- 0.62
- Upside Capture
- 91.23%
- Downside Capture
- 102.90%
Expense Ratio
MAILX has an expense ratio of 0.65%, placing it in the medium range.
Return for Risk
Risk / Return Rank
MAILX ranks 25 for risk / return — below 25% of mutual funds on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for BlackRock International Fund of BlackRock Series, Inc. (MAILX) and compare them to S&P 500 Index.
| MAILX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.43 | 2.39 | -0.96 |
Sortino ratioReturn per unit of downside risk | 2.04 | 3.25 | -1.21 |
Omega ratioGain probability vs. loss probability | 1.26 | 1.43 | -0.17 |
Calmar ratioReturn relative to maximum drawdown | 1.73 | 3.11 | -1.38 |
Martin ratioReturn relative to average drawdown | 6.45 | 14.38 | -7.93 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Dividends
Dividend History
BlackRock International Fund of BlackRock Series, Inc. provided a 1.61% dividend yield over the last twelve months, with an annual payout of $0.40 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.40 | $0.40 | $0.18 | $0.21 | $0.19 | $1.62 | $0.07 | $0.20 | $0.25 | $0.25 | $0.22 | $0.09 |
Dividend yield | 1.61% | 1.79% | 0.90% | 1.08% | 1.13% | 7.30% | 0.33% | 1.11% | 1.83% | 1.39% | 1.62% | 0.65% |
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | ||||||
| 2025 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.20 | $0.00 | $0.00 | $0.00 | $0.00 | $0.20 | $0.40 |
| 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 |
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.
Loading charts...
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 1141 trading sessions.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Financial crisis2007–2009 | -59.57%Mar 2009 | 1y 4mo | 4y 6mo | 5y 10moNov 2007 - Sep 2013 |
2003 bear market2003 | -53.11%Mar 2003 | 3y 2mo | 3y 23d | 6y 3moJan 2000 - Apr 2006 |
Bear market2022 | -41.68%Oct 2022 | 11mo 20d | 3y 2mo | 4y 2moOct 2021 - Jan 2026 |
COVID crash2020 | -36.34%Mar 2020 | 2y 1mo | 5mo 8d | 2y 7moJan 2018 - Aug 2020 |
2016 bear market2016 | -24.50%Feb 2016 | 1y 7mo | 1y 2mo | 2y 9moJul 2014 - Apr 2017 |
Drawdown Indicators
| MAILX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.57% | -56.78% | -2.79% |
Max Drawdown (1Y)Largest decline over 1 year | -12.34% | -9.10% | -3.24% |
Max Drawdown (3Y)Largest decline over 3 years | -17.36% | -18.90% | +1.54% |
Max Drawdown (5Y)Largest decline over 5 years | -41.68% | -25.43% | -16.25% |
Max Drawdown (10Y)Largest decline over 10 years | -41.68% | -33.92% | -7.76% |
Current DrawdownCurrent decline from peak | 0.00% | 0.00% | 0.00% |
Average DrawdownAverage peak-to-trough decline | -16.14% | -10.72% | -5.42% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.31% | 1.97% | +1.34% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
Loading charts...
Build a portfolio with MAILX
Add BlackRock International Fund of BlackRock Series, Inc. to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Analyzer with MAILX