- ISIN
- US78464A8210
- CUSIP
- 78464A821
- Issuer
- State Street
- Inception Date
- Nov 8, 2005
- Region
- North America (U.S.)
- Category
- Mid Cap Growth Equities
- 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
- Assets Under Management
- $3B
Share Price Chart
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Performance
MDYG Performance Chart
SPDR S&P 400 Mid Cap Growth ETF (MDYG) is up 20.4% since the beginning of the year. MDYG is currently trading at $111 per share. Investors who bought $1,000 worth of MDYG shares 5 years ago would now be looking at an investment worth $1,524.
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Returns By Period
SPDR S&P 400 Mid Cap Growth ETF (MDYG) has returned 20.44% so far this year and 32.56% over the past 12 months. Over the last ten years, MDYG has returned 12.05% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
SPDR S&P 400 Mid Cap Growth ETF
- 1D
- 0.58%
- 1M
- 4.15%
- YTD
- 20.44%
- 6M
- 17.53%
- 1Y
- 32.56%
- 3Y*
- 18.32%
- 5Y*
- 8.79%
- 10Y*
- 12.05%
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%
MDYG Monthly Returns History
Based on dividend-adjusted daily data since Nov 15, 2005, MDYG's average daily return is +0.05%, while the average monthly return is +0.98%. At this rate, an investment would double in approximately 5.9 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%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 3.96% | 5.77% | -5.45% | 8.05% | 5.08% | 2.04% | 20.44% | ||||||
| 2025 | 3.59% | -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% |
| 2023 | 7.13% | -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% |
| 2021 | 1.79% | 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 1.78%, beta of 1.00, and R2 of 0.79 versus S&P 500 Index. Calculated based on daily prices since November 15, 2005.
- This ETF captured 109.97% of S&P 500 Index gains and 103.63% 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
- 1.78%
- Beta
- 1.00
- R²
- 0.79
- Upside Capture
- 109.97%
- Downside Capture
- 103.63%
Expense Ratio
MDYG has an expense ratio of 0.15%, which is considered low.
Return for Risk
Risk / Return Rank
MDYG ranks 62 for risk / return — better than 62% of ETFs on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.
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 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.
| MDYG | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.17 | ||
| Sortino ratioReturn per unit of downside risk | -0.12 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.37 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 3.30 | 2.78 | +0.51 |
| Martin ratioReturn relative to average drawdown | 13.10 | 12.44 | +0.67 |
Dividends
Dividend History
SPDR S&P 400 Mid Cap Growth ETF provided a 0.74% dividend yield over the last twelve months, with an annual payout of $0.82 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.82 | $0.69 | $0.75 | $0.90 | $0.76 | $0.56 | $0.49 | $0.69 | $0.62 | $1.15 | $0.55 | $0.98 |
Dividend yield | 0.74% | 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.13 | $0.00 | $0.00 | $0.15 | $0.28 | ||||||
| 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.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Financial crisis2007–2009 | -58.44%Nov 2008 | 1y 1mo | 1y 11mo | 3y 21dOct 2007 - Nov 2010 |
COVID crash2020 | -39.27%Mar 2020 | 1mo 1d | 4mo 22d | 5mo 23dFeb 2020 - Aug 2020 |
Bear market2022 | -29.26%Jun 2022 | 7mo 1d | 1y 8mo | 2y 3moNov 2021 - Feb 2024 |
2011 bear market2011 | -26.20%Oct 2011 | 2mo 28d | 11mo 9d | 1y 2moJul 2011 - Sep 2012 |
2025 selloff2025 | -25.45%Apr 2025 | 4mo 13d | 8mo 6d | 1y 14dNov 2024 - Dec 2025 |
Drawdown Indicators
| MDYG | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.44% | -56.78% | -1.66% |
Max Drawdown (1Y)Largest decline over 1 year | -9.91% | -9.10% | -0.81% |
Max Drawdown (3Y)Largest decline over 3 years | -25.45% | -18.90% | -6.55% |
Max Drawdown (5Y)Largest decline over 5 years | -29.26% | -25.43% | -3.83% |
Max Drawdown (10Y)Largest decline over 10 years | -39.27% | -33.92% | -5.35% |
Current DrawdownCurrent decline from peak | 0.00% | -1.80% | +1.80% |
Average DrawdownAverage peak-to-trough decline | -8.01% | -10.71% | +2.70% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.49% | 2.03% | +0.46% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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