Keep tabs on your favorite ETFs with a personalized weekly tracker. Create a Watchlist now →
SPMDvsMDYETF Comparison
The ETFs SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) and SPDR S&P MIDCAP 400 ETF Trust (MDY) track the S&P MidCap 400 Total Return Index - USD and belong to the same industry segment: US Mid Cap. SPMD's top 3 sector exposures are Industrials, Information Technology and Financials. In contrast, MDY's top sector exposures are Industrials, Financials and Information Technology. SPMD is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.23% for MDY. SPMD is up 3.61% year-to-date (YTD) with +$376M in YTD flows. MDY performs better with 3.81% YTD performance, and -$798M in YTD flows. Run a side-by-side ETF comparison of SPMD and MDY below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
SPMD vs MDY performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SPMD MDY | -4.46%-4.43% | +0.99%+2.17% | +3.61%+3.81% | +19.21%+18.61% | +48.62%+47.78% | +40.54%+41.33% |
| Flows | SPMD MDY | +$275M-$150M | +$522M-$274M | +$376M-$798M | +$1.88B-$1.59B | +$6.75B-$1.16B | +$8.61B-$2.33B |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SPMD MDY | +15.11%+15.13% | +20.85%+20.79% | +17.99%+18.02% | +19.64%+19.84% |
| Max drawdown | SPMD MDY | -5.39%-5.36% | -15.07%-15.01% | -23.98%-23.91% | -23.98%-23.91% |
| Max drawdown duration | SPMD MDY | 17d16d | 46d46d | 379d379d | 379d379d |
SPMD | MDY | |
Last sale 3/12/2026 at 7:57 PM | $58.73 | $611.61 |
| Previous close 03/11/2026 | $60.00 | $624.53 |
| Consolidated volume 03/11/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Create an account to view replication metrics
SPMD | MDY | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
SPMD | MDY | |
|---|---|---|
| Last price | $58.73 | $611.61 |
| 1D performance | -2.12% | -2.07% |
| AuM | $15.94 B | $24.31 B |
| E/R | 0.03% | 0.23% |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the SPMD and MDY ETFs performed in 2026?
As of March 11, 2026, SPMD is up 3.61% year-to-date (YTD), while MDY has returned 3.81%. That puts MDY better performer ahead so far this year.
Which ETF is attracting more investor money: SPMD or MDY?
Year-to-date, the SPMD ETF saw +$376M in flows, compared to -$798M for MDY.
Which ETF is more volatile: SPMD or MDY?
Over the past year, SPMD had a volatility of 20.85%, while MDY experienced 20.79%.
Which ETF is bigger: SPMD or MDY?
As of March 11, 2026, SPMD holds $15.94 B in assets under management (AUM), while MDY manages $24.31 B.
What sectors do the SPMD and MDY ETFs invest in?
SPMD leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, MDY focuses on Industrials, Financials and Information Technology.
What are the top holdings of the SPMD ETF and MDY ETF?
SPMD top holdings include CIENA, US19247G1076 and LUMENTUM HOLDINGS. MDY holds in its top three: CIENA, US19247G1076 and LUMENTUM HOLDINGS.
Which ETF is more diversified: SPMD or MDY?
SPMD holds 400 securities with 10.53% of its assets in the top 15. MDY has 399 securities and a top 15 weight of 10.49%.
Have you tried our ETF Compare tool?
Compare ETFs like a pro. Analyze fees, performance, exposure & holdings side-by-side.