Does joining the S&P MidCap 400 pay?
Across 0 S&P MidCap 400 additions, measured from the effective-date close. In the 30 days before the close, the average stock moved —.
Reading the S&P MidCap 400 results
There are not yet enough recorded one-month returns to compare S&P MidCap 400 with another index on the same window. Transfers between S&P's small-, mid- and large-cap indexes can change which fund holders need a stock. That is a possible source of trading around the effective date, not evidence that every measured move was caused by rebalancing.
Returns by holding period
Average and median return at each window, and the share that finished higher
| Window after close | Sample | Average | Median | Finished higher | Avg vs index |
|---|---|---|---|---|---|
| 1W | 0 | — | — | Not yet elapsed | — |
| 1M | 0 | — | — | Not yet elapsed | — |
| 3M | 0 | — | — | Not yet elapsed | — |
| 6M | 0 | — | — | Not yet elapsed | — |
| 1Y | 0 | — | — | Not yet elapsed | — |
| Entries in the register | 0 | Samples shrink at longer windows because recent entries haven't reached them yet | |||