MDY vs. VTIP
MDY (SPDR S&P MidCap 400 ETF) and VTIP (Vanguard Short-Term Inflation-Protected Securities ETF) are both exchange-traded funds - MDY is a Mid Cap Blend Equities fund tracking the S&P MidCap 400 Index, while VTIP is a Inflation-Protected Bonds fund tracking the Bloomberg U.S. Treasury Inflation-Protected Securities (TIPS) 0-5 Year Index. Both are passively managed. Over the past 10 years, MDY returned 11.33%/yr vs 3.09%/yr for VTIP. At a 0.08 correlation, their price movements are largely independent. MDY charges 0.23%/yr vs 0.03%/yr for VTIP.
Performance
MDY vs. VTIP - Performance Comparison
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Returns By Period
In the year-to-date period, MDY achieves a 15.28% return, which is significantly higher than VTIP's 1.85% return. Over the past 10 years, MDY has outperformed VTIP with an annualized return of 11.33%, while VTIP has yielded a comparatively lower 3.09% annualized return.
MDY
- 1D
- 0.71%
- 1M
- 3.51%
- YTD
- 15.28%
- 6M
- 13.84%
- 1Y
- 27.52%
- 3Y*
- 15.07%
- 5Y*
- 7.99%
- 10Y*
- 11.33%
VTIP
- 1D
- -0.04%
- 1M
- -0.12%
- YTD
- 1.85%
- 6M
- 1.95%
- 1Y
- 4.51%
- 3Y*
- 5.25%
- 5Y*
- 3.37%
- 10Y*
- 3.09%
MDY vs. VTIP - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MDY SPDR S&P MidCap 400 ETF | 15.28% | 7.19% | 13.64% | 16.07% | -13.28% | 24.53% | 13.50% | 25.78% | -11.29% | 15.93% |
VTIP Vanguard Short-Term Inflation-Protected Securities ETF | 1.85% | 6.07% | 4.74% | 4.62% | -2.94% | 5.36% | 4.95% | 4.86% | 0.56% | 0.82% |
Correlation
The correlation between MDY and VTIP is 0.04, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.04 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.12 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.14 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.10 |
Correlation (All Time) Calculated using the full available price history since Oct 16, 2012 | 0.08 |
The correlation between MDY and VTIP shifts across timeframes, from 0.04 (1 year) to 0.14 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
MDY vs. VTIP — Risk / Return Rank
MDY
VTIP
MDY vs. VTIP - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR S&P MidCap 400 ETF (MDY) and Vanguard Short-Term Inflation-Protected Securities ETF (VTIP). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
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.
| MDY | VTIP | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.45 | ||
| Sortino ratioReturn per unit of downside risk | -2.87 | ||
| Omega ratioGain probability vs. loss probability | 1.29 | 1.65 | -0.36 |
| Calmar ratioReturn relative to maximum drawdown | 2.91 | 6.57 | -3.66 |
| Martin ratioReturn relative to average drawdown | 10.60 | 25.36 | -14.76 |
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Drawdowns
MDY vs. VTIP - Drawdown Comparison
The maximum MDY drawdown since its inception was -55.33%, which is greater than VTIP's maximum drawdown of -6.27%. Use the drawdown chart below to compare losses from any high point for MDY and VTIP.
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Drawdown Indicators
| MDY | VTIP | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.33% | -6.27% | -49.06% |
Max Drawdown (1Y)Largest decline over 1 year | -8.82% | -0.70% | -8.12% |
Max Drawdown (3Y)Largest decline over 3 years | -24.03% | -0.98% | -23.05% |
Max Drawdown (5Y)Largest decline over 5 years | -24.03% | -5.50% | -18.53% |
Max Drawdown (10Y)Largest decline over 10 years | -42.22% | -6.27% | -35.95% |
Current DrawdownCurrent decline from peak | 0.00% | -0.22% | +0.22% |
Average DrawdownAverage peak-to-trough decline | -7.02% | -1.04% | -5.98% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.42% | 0.18% | +2.24% |
Volatility
MDY vs. VTIP - Volatility Comparison
SPDR S&P MidCap 400 ETF (MDY) has a higher volatility of 5.04% compared to Vanguard Short-Term Inflation-Protected Securities ETF (VTIP) at 0.40%. This indicates that MDY's price experiences larger fluctuations and is considered to be riskier than VTIP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MDY | VTIP | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.04% | 0.40% | +4.64% |
Volatility (6M)Calculated over the trailing 6-month period | 11.68% | 1.04% | +10.64% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.83% | 1.50% | +14.33% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.82% | 2.77% | +17.05% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.21% | 2.74% | +18.47% |
MDY vs. VTIP - Expense Ratio Comparison
MDY has a 0.23% expense ratio, which is higher than VTIP's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
MDY vs. VTIP - Dividend Comparison
MDY's dividend yield for the trailing twelve months is around 1.03%, less than VTIP's 3.59% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MDY SPDR S&P MidCap 400 ETF | 1.03% | 1.15% | 1.18% | 1.21% | 1.37% | 0.96% | 1.12% | 1.34% | 1.39% | 1.18% | 1.31% | 1.35% |
VTIP Vanguard Short-Term Inflation-Protected Securities ETF | 3.59% | 3.81% | 2.70% | 2.86% | 6.84% | 4.68% | 1.20% | 1.95% | 2.45% | 1.52% | 0.76% | 0.00% |
Frequently Asked Questions
MDY and VTIP have a correlation of 0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MDY has higher volatility (5.04%) compared to VTIP (0.40%). In terms of maximum drawdown, MDY dropped -55.33% vs VTIP's -6.27%.
On 10-year performance, MDY leads with 11.33% vs 3.09% for VTIP. On fees, VTIP is cheaper at 0.03% per year. On volatility, VTIP has been the lower-risk option at 0.40%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, MDY has performed better with a 11.33% return vs 3.09%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VTIP is cheaper with a 0.03% expense ratio, compared with 0.23% for MDY.
VTIP has the higher dividend yield at 3.59%, compared with 1.03% for MDY.
MDY is categorized as Mid Cap Blend Equities, while VTIP is Inflation-Protected Bonds. MDY tracks S&P MidCap 400 Index, while VTIP tracks Bloomberg U.S. Treasury Inflation-Protected Securities (TIPS) 0-5 Year Index. They also come from different issuers: State Street and Vanguard. Their fees differ too: 0.23% for MDY and 0.03% for VTIP.
VTIP currently has the higher Sharpe Ratio (3.07 vs 1.62), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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