SMCI — S&P 500 index addition

Super Micro Computer (SMCI) entered the S&P 500 at the close on Mar 18, 2024, replacing Whirlpool. The recorded announcement came 17 calendar days before the effective close, on Mar 1, 2024. The company is classified in Information Technology in this dataset. The same ticker also appears in the tracked Nasdaq-100 addition register. That record alone does not establish a transfer between indexes.

In the 30 calendar days leading into the effective close, SMCI moved +81.8%. The median 30-day run-up among the 25 S&P 500 entries with a recorded announcement and prices for that interval was +16.9%; this stock was 64.9 percentage points above that median. Measured from the effective close, SMCI returned 1W: -4.0% versus +0.3% for the 28-entry index median; 1M: -18.0% versus +2.2% for the 28-entry index median; 3M: -42.0% versus +5.2% for the 28-entry index median; 1Y: -58.0% versus +11.6% for the 24-entry index median. These figures do not measure movement from the announcement price.

At 1M, it ranks 27th of 28 measured S&P 500 additions and lagged the benchmark by 17.2 percentage points. At 3M, it ranks 28th of 28 measured S&P 500 additions and lagged the benchmark by 45.7 percentage points. At 1Y, it ranks 24th of 24 measured S&P 500 additions and lagged the benchmark by 69.3 percentage points. The other 7 Information Technology additions with a measured 1M return averaged -0.8%. This is historical context, not a projection.