TTD — Nasdaq-100 index addition

The Trade Desk (TTD) entered the Nasdaq-100 at the close on Dec 23, 2024, replacing Dollar Tree. The recorded announcement came 10 calendar days before the effective close, on Dec 13, 2024. The company is classified in Communication Services in this dataset.

In the 30 calendar days leading into the effective close, TTD moved -1.6%. The median 30-day run-up among the 14 Nasdaq-100 entries with a recorded announcement and prices for that interval was +12.2%; this stock was 13.9 percentage points below that median. Measured from the effective close, TTD returned 1W: -1.7% versus -2.2% for the 14-entry index median; 1M: +1.7% versus +0.8% for the 14-entry index median; 3M: -50.0% versus +5.6% for the 13-entry index median; 1Y: -61.7% versus +4.4% for the 9-entry index median. These figures do not measure movement from the announcement price.

At 1M, it ranks 7th of 14 measured Nasdaq-100 additions and beat the benchmark by 0.1 percentage points. At 3M, it ranks 13th of 13 measured Nasdaq-100 additions and lagged the benchmark by 42.9 percentage points. At 1Y, it ranks 9th of 9 measured Nasdaq-100 additions and lagged the benchmark by 84.9 percentage points. Ranks use available returns at the same window, not company size, and do not establish why prices moved.