MDYvsIVOOETF Comparison
The ETFs State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) and Vanguard S&P Mid-Cap 400 ETF (IVOO) track the S&P MidCap 400 Total Return Index - USD and belong to the same industry segment: US Mid Cap. Both ETFs have the same top 3 sector exposures: Industrials, Information Technology and Financials. MDY is more expensive with a Total Expense Ratio (TER) of 0.23%, versus 0.07% for IVOO. MDY is up 13.34% year-to-date (YTD) with -$542M in YTD flows. IVOO performs better with 13.51% YTD performance, and +$231M in YTD flows. Run a side-by-side ETF comparison of MDY and IVOO below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
MDY vs IVOO performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MDY IVOO | +1.30%+1.31% | +8.65%+8.75% | +13.34%+13.51% | +23.31%+23.66% | +52.18%+53.28% | +45.52%+46.87% |
| Flows | MDY IVOO | -$11M+$37M | +$288M+$161M | -$542M+$231M | -$448M+$349M | -$605M+$1.12B | -$2.06B+$1.33B |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MDY IVOO | +17.52%+17.06% | +15.67%+15.54% | +17.84%+17.76% | +19.87%+19.59% |
| Max drawdown | MDY IVOO | -4.53%-4.55% | -8.78%-8.82% | -23.91%-24.02% | -23.91%-24.02% |
| Max drawdown duration | MDY IVOO | 29d29d | 53d53d | 379d379d | 379d379d |
MDY | IVOO | |
Last sale 6/10/2026 at 1:30 PM | $671.84 | $124.58 |
| Previous close 06/09/2026 | $681.68 | $126.36 |
| Consolidated volume 06/09/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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MDY | IVOO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
MDY | IVOO | |
|---|---|---|
| Last price | $671.84 | $124.58 |
| 1D performance | -1.44% | -1.41% |
| AuM | $26.74 B | $3.63 B |
| E/R | 0.23% | 0.07% |
MDY | IVOO | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | Vanguard |
| Benchmark | S&P MidCap 400 Index | S&P MidCap 400 Index |
| N° of holdings | 381 | 381 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 4, 1995 | September 7, 2010 |
| ESG | No | No |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
