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ISIN
US0919373912
CUSIP
091937391
Issuer
BlackRock
Inception Date
Dec 17, 1976
Min. Investment
$0
Distribution Policy
Distributing
Asset Class
Equity
Asset Class Size
Large-Cap
Asset Class Style
Blend

Share Price Chart


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Performance

STSEX Performance Chart

BlackRock Exchange Portfolio (STSEX) is down 3.5% since the beginning of the year. STSEX is currently trading at $2,601 per share. Investors who bought $1,000 worth of STSEX shares 5 years ago would now be looking at an investment worth $1,742.


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S&P 500 Index

Returns By Period

BlackRock Exchange Portfolio (STSEX) has returned -3.48% so far this year and 6.03% over the past 12 months. Over the last ten years, STSEX has had an annualized return of 13.28%, just under the S&P 500 Index benchmark’s 13.88%.


BlackRock Exchange Portfolio

1D
-1.18%
1M
-2.62%
YTD
-3.48%
6M
-4.05%
1Y
6.03%
3Y*
12.59%
5Y*
11.74%
10Y*
13.28%

Benchmark (S&P 500 Index)

1D
-0.37%
1M
-0.01%
YTD
9.16%
6M
8.64%
1Y
25.22%
3Y*
19.78%
5Y*
11.99%
10Y*
13.88%
*Multi-year figures are annualized to reflect compound growth (CAGR)

STSEX Monthly Returns History

Based on dividend-adjusted daily data since Jan 11, 1980, STSEX's average daily return is +0.05%, while the average monthly return is +0.89%. At this rate, an investment would double in approximately 6.5 years.

Historically, 62% of months were positive and 38% were negative. The best month was Jan 1987 with a return of +13.0%, while the worst month was Oct 1987 at -22.2%. The longest winning streak lasted 11 consecutive months, and the longest losing streak was 6 months.

On a daily basis, STSEX closed higher 53% of trading days. The best single day was Aug 31, 1982 with a return of +12.2%, while the worst single day was Oct 22, 1987 at -12.8%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026-1.96%0.92%-4.14%3.42%1.48%-3.04%-3.48%
20252.76%1.13%-1.88%0.61%5.34%3.45%1.87%2.10%1.40%-0.34%1.59%0.04%19.42%
20244.28%3.84%2.82%-3.41%4.38%1.62%0.76%2.60%0.44%-2.60%4.63%-3.83%16.06%
20231.39%-1.60%4.56%4.54%-0.90%4.96%1.06%-1.64%-2.88%1.15%7.34%1.50%20.71%
2022-1.11%-0.67%3.23%-4.92%-0.34%-7.39%5.62%-4.26%-8.07%9.60%7.38%-2.93%-5.51%
2021-0.01%3.46%4.28%4.74%2.08%2.43%2.48%2.85%-3.93%8.16%-3.75%5.27%31.09%

Benchmark Metrics

BlackRock Exchange Portfolio has an annualized alpha of 3.23%, beta of 0.86, and R2 of 0.78 versus S&P 500 Index. Calculated based on daily prices since January 11, 1980.

  • This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (95.72%) than losses (86.42%) - typical of diversified or defensive assets.
  • This fund generated an annualized alpha of 3.23% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.
  • With beta of 0.86 and R2 of 0.78, this fund moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.

Alpha
3.23%
Beta
0.86
0.78
Upside Capture
95.72%
Downside Capture
86.42%

Expense Ratio

STSEX has an expense ratio of 0.81%, placing it in the medium range.


Return for Risk

Risk / Return Rank

STSEX ranks 8 for risk / return — in the bottom 8% of mutual funds on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.


STSEX Risk / Return Rank: 88
Overall Rank
STSEX Sharpe Ratio Rank: 88
Sharpe Ratio Rank
STSEX Sortino Ratio Rank: 77
Sortino Ratio Rank
STSEX Omega Ratio Rank: 77
Omega Ratio Rank
STSEX Calmar Ratio Rank: 88
Calmar Ratio Rank
STSEX Martin Ratio Rank: 88
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.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for BlackRock Exchange Portfolio (STSEX) and compare them to S&P 500 Index.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.


STSEXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-1.44

Sortino ratioReturn per unit of downside risk

-1.88

Omega ratioGain probability vs. loss probability

1.10

1.37

-0.26

Calmar ratioReturn relative to maximum drawdown

0.70

2.78

-2.09

Martin ratioReturn relative to average drawdown

2.12

12.44

-10.31

Dividends

Dividend History

BlackRock Exchange Portfolio provided a 0.94% dividend yield over the last twelve months, with an annual payout of $24.38 per share.


1.00%1.20%1.40%1.60%1.80%2.00%$0.00$5.00$10.00$15.00$20.00$25.0020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$24.38$24.38$21.10$21.13$20.23$17.90$18.27$17.80$17.30$17.50$18.09$16.10

Dividend yield

0.94%0.90%0.93%1.07%1.22%1.01%1.33%1.40%1.73%1.67%1.95%1.94%

Monthly Dividends

The table displays the monthly dividend distributions for BlackRock Exchange Portfolio. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.00$1.25$0.00$0.00$1.25
2025$0.00$0.00$0.00$1.25$0.00$0.00$1.25$0.00$0.00$1.25$0.00$20.63$24.38
2024$0.00$0.00$0.00$1.25$0.00$0.00$1.25$0.00$0.00$1.25$0.00$17.35$21.10
2023$0.00$0.00$0.00$1.25$0.00$0.00$1.25$0.00$0.00$1.25$0.00$17.38$21.13
2022$0.00$0.00$0.00$1.25$0.00$0.00$1.25$0.00$0.00$1.25$0.00$16.48$20.23
2021$0.00$0.00$0.00$1.25$0.00$0.00$1.25$0.00$0.00$1.25$0.00$14.15$17.90

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 Exchange Portfolio. 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 Exchange Portfolio was 49.89%, occurring on Mar 9, 2009. Recovery took 744 trading sessions.

The current BlackRock Exchange Portfolio drawdown is 4.99%.


Related event

Drawdown

Fall

Recovery

Underwater

Financial crisis2007–2009
-49.89%Mar 2009
1y 4mo2y 11mo
4y 4moOct 2007 - Feb 2012
Dot-com crash2000–2002
-40.73%Jul 2002
2y 4mo4y 3mo
6y 7moMar 2000 - Oct 2006
Black Monday1987
-32.69%Dec 1987
3mo 10d1y 6mo
1y 9moAug 1987 - Jun 1989
COVID crash2020
-31.28%Mar 2020
1mo 11d5mo 7d
6mo 18dFeb 2020 - Aug 2020
1982 bear market1982
-22.89%Jul 1982
1y 3mo4mo 21d
1y 7moApr 1981 - Nov 1982

Drawdown Indicators


STSEXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-49.89%

-56.78%

+6.89%

Max Drawdown (1Y)

Largest decline over 1 year

-8.61%

-9.10%

+0.49%

Max Drawdown (3Y)

Largest decline over 3 years

-11.40%

-18.90%

+7.50%

Max Drawdown (5Y)

Largest decline over 5 years

-19.57%

-25.43%

+5.86%

Max Drawdown (10Y)

Largest decline over 10 years

-31.28%

-33.92%

+2.64%

Current Drawdown

Current decline from peak

-4.99%

-1.80%

-3.19%

Average Drawdown

Average peak-to-trough decline

-7.27%

-10.71%

+3.44%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.82%

2.03%

+0.79%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

Build a portfolio with STSEX

Add BlackRock Exchange Portfolio to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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