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SPDR S&P 400 Mid Cap Growth ETF (MDYG)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

ETF Info

ISIN
US78464A8210
CUSIP
78464A821
Inception Date
Nov 8, 2005
Region
North America (U.S.)
Leveraged
1x (No leverage)
Index Tracked
S&P MidCap 400 Growth Index
Distribution Policy
Distributing
Asset Class
Equity
Asset Class Size
Mid-Cap
Asset Class Style
Growth

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in SPDR S&P 400 Mid Cap Growth ETF, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


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S&P 500 Index

Returns By Period

SPDR S&P 400 Mid Cap Growth ETF (MDYG) has returned 3.96% so far this year and 21.66% over the past 12 months. Over the last ten years, MDYG has returned 10.49% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.


SPDR S&P 400 Mid Cap Growth ETF

1D
3.54%
1M
-5.45%
YTD
3.96%
6M
5.17%
1Y
21.66%
3Y*
12.98%
5Y*
5.72%
10Y*
10.49%

Benchmark (S&P 500 Index)

1D
2.91%
1M
-5.09%
YTD
-4.63%
6M
-2.39%
1Y
16.33%
3Y*
16.69%
5Y*
10.18%
10Y*
12.16%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since Nov 15, 2005, MDYG's average daily return is +0.05%, while the average monthly return is +0.93%. At this rate, your investment would double in approximately 6.2 years.

Historically, 63% of months were positive and 37% were negative. The best month was Apr 2009 with a return of +17.1%, while the worst month was Oct 2008 at -23.8%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 5 months.

On a daily basis, MDYG closed higher 53% of trading days. The best single day was Mar 24, 2020 with a return of +11.2%, while the worst single day was Mar 16, 2020 at -13.6%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20263.96%5.77%-5.45%3.96%
20253.59%-5.45%-6.46%-0.33%6.25%3.46%2.16%2.32%1.00%0.26%1.03%-0.14%7.22%
2024-0.34%9.57%5.81%-6.05%4.23%-1.42%4.43%-0.87%1.05%-1.24%8.86%-7.66%15.84%
20237.13%-0.94%-1.04%-0.51%-2.86%8.68%3.81%-2.07%-4.79%-4.86%7.59%7.34%17.30%
2022-10.27%1.00%0.61%-7.76%-0.70%-10.04%12.70%-3.36%-8.81%9.43%5.63%-6.00%-18.92%
20211.79%3.97%2.49%4.15%-1.78%1.04%0.95%1.44%-4.27%7.55%-3.50%3.85%18.46%

Benchmark Metrics

SPDR S&P 400 Mid Cap Growth ETF has an annualized alpha of 1.71%, beta of 1.00, and R² of 0.79 versus S&P 500 Index. Calculated based on daily prices since November 16, 2005.

  • This ETF captured 110.63% of S&P 500 Index gains and 104.43% of its losses — amplifying both gains and losses, but participating more in upside than downside.
  • With beta of 1.00 and R² of 0.79, this ETF moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.

Alpha
1.71%
Beta
1.00
0.79
Upside Capture
110.63%
Downside Capture
104.43%

Expense Ratio

MDYG has an expense ratio of 0.15%, which is considered low.


Return for Risk

Risk / Return Rank

MDYG ranks 57 for risk / return — on par with similar ETFs. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.


MDYG Risk / Return Rank: 5757
Overall Rank
MDYG Sharpe Ratio Rank: 5353
Sharpe Ratio Rank
MDYG Sortino Ratio Rank: 5656
Sortino Ratio Rank
MDYG Omega Ratio Rank: 5252
Omega Ratio Rank
MDYG Calmar Ratio Rank: 6060
Calmar Ratio Rank
MDYG Martin Ratio Rank: 6666
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 SPDR S&P 400 Mid Cap Growth ETF (MDYG) and compare them to a chosen benchmark (S&P 500 Index).


MDYGBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.98

0.90

+0.09

Sortino ratio

Return per unit of downside risk

1.51

1.39

+0.12

Omega ratio

Gain probability vs. loss probability

1.21

1.21

-0.01

Calmar ratio

Return relative to maximum drawdown

1.59

1.40

+0.20

Martin ratio

Return relative to average drawdown

6.88

6.61

+0.28

Explore MDYG risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

Dividends

Dividend History

SPDR S&P 400 Mid Cap Growth ETF provided a 0.70% dividend yield over the last twelve months, with an annual payout of $0.67 per share.


1.00%1.50%2.00%2.50%$0.00$0.20$0.40$0.60$0.80$1.00$1.2020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.67$0.69$0.75$0.90$0.76$0.56$0.49$0.69$0.62$1.15$0.55$0.98

Dividend yield

0.70%0.75%0.87%1.20%1.16%0.69%0.71%1.21%1.36%2.23%1.25%2.51%

Monthly Dividends

The table displays the monthly dividend distributions for SPDR S&P 400 Mid Cap Growth ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.13$0.13
2025$0.00$0.00$0.15$0.00$0.00$0.19$0.00$0.00$0.16$0.00$0.00$0.19$0.69
2024$0.00$0.00$0.13$0.00$0.00$0.21$0.00$0.00$0.19$0.00$0.00$0.22$0.75
2023$0.00$0.00$0.17$0.00$0.00$0.23$0.00$0.00$0.21$0.00$0.00$0.29$0.90
2022$0.00$0.00$0.13$0.00$0.00$0.18$0.00$0.00$0.21$0.00$0.00$0.23$0.76
2021$0.00$0.00$0.09$0.00$0.00$0.11$0.00$0.00$0.36$0.00$0.00$0.00$0.56

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 SPDR S&P 400 Mid Cap Growth ETF. 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 SPDR S&P 400 Mid Cap Growth ETF was 58.44%, occurring on Nov 20, 2008. Recovery took 492 trading sessions.

The current SPDR S&P 400 Mid Cap Growth ETF drawdown is 6.73%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-58.44%Oct 15, 2007280Nov 20, 2008492Nov 4, 2010772
-39.27%Feb 21, 202022Mar 23, 202099Aug 12, 2020121
-29.26%Nov 17, 2021146Jun 16, 2022427Feb 29, 2024573
-26.2%Jul 8, 201162Oct 4, 2011234Sep 7, 2012296
-25.45%Nov 26, 202490Apr 8, 2025170Dec 10, 2025260

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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